# Kickstart file for remote desktop server # Note: minimum amount of RAM successfully tested for installation: 2048 MiB from network - 1024 MiB from local media # Install with commandline (see below for comments): # TODO: check each and every custom "hvp_" parameter below for overlap with default dracut/anaconda parameters and convert to using those instead # elevator=deadline inst.ks=https://dangerous.ovirt.life/hvp-repos/el7/ks/hvp-vd-c7.ks # Note: DHCP is assumed to be available on one and only one network (the mgmt one, which will be autodetected, albeit with a noticeable delay) otherwise the ip=nicname:dhcp option must be added, where nicname is the name of the network interface to be used for installation (eg: ens32) # Note: to force custom/fixed nic names add ifname=netN:AA:BB:CC:DD:EE:FF where netN is the desired nic name and AA:BB:CC:DD:EE:FF is the MAC address of the corresponding network interface # Note: alternatively, to force legacy nic names (ethN), add biosdevname=0 net.ifnames=0 # Note: alternatively burn this kickstart into your DVD image and append to default commandline: # elevator=deadline inst.ks=cdrom:/dev/cdrom:/ks/ks.cfg # Note: to access the running installation by SSH (beware of publishing the access informations specified with the sshpw directive below) add the option inst.sshd # Note: to force static nic name-to-MAC mapping add the option hvp_nicmacfix # Note: to force custom host naming add hvp_myname=myhostname where myhostname is the unqualified (ie without domain name part) hostname # Note: to force custom addressing add hvp_{mgmt,lan}=x.x.x.x/yy where x.x.x.x may either be the machine IP or the network address on the given network and yy is the prefix on the given network # Note: to force custom IPs add hvp_{mgmt,lan}_my_ip=t.t.t.t where t.t.t.t is the chosen IP on the given network # Note: to force custom network MTU add hvp_{mgmt,lan}_mtu=zzzz where zzzz is the MTU value # Note: to force custom network domain naming add hvp_{mgmt,lan}_domainname=mynet.name where mynet.name is the domain name # Note: to force custom multi-instance limit for each vm type (kickstart) add hvp_maxinstances=A where A is the maximum number of instances # Note: to force custom AD subdomain naming add hvp_ad_subdomainname=myprefix where myprefix is the subdomain name # Note: to force custom domain action add hvp_joindomain=bool where bool is either "true" (join an AD domain) or "false" (do not join an AD domain) # Note: to force custom AD DC naming add hvp_dcname=mydcname where mydcname is the unqualified (ie without domain name part) hostname of the AD DC # Note: to force custom desktop type add hvp_detype=eeee where eeee is the desktop type (either gnome, kde, xfce or lxde) # Note: to force custom desktop DB type add hvp_dedbtype=uuuu where uuuu is the desktop DB type (either sqlite or postgresql) # Note: to force custom DB server naming add hvp_dbname=mydbname where mydbname is the unqualified (ie without domain name part) hostname of the DB server # Note: to force custom Web server naming add hvp_webname=mywebname where mywebname is the unqualified (ie without domain name part) hostname of the Web server # Note: to force custom nameserver IP add hvp_nameserver=w.w.w.w where w.w.w.w is the nameserver IP # Note: to force custom gateway IP add hvp_gateway=n.n.n.n where n.n.n.n is the gateway IP # Note: to force custom root password add hvp_rootpwd=mysecret where mysecret is the root user password # Note: to force custom admin username add hvp_adminname=myadmin where myadmin is the admin username # Note: to force custom admin password add hvp_adminpwd=myothersecret where myothersecret is the admin user password # Note: to force custom email address for notification receiver add hvp_receiver_email=name@domain where name@domain is the email address # Note: to force custom AD further admin username add hvp_winadminname=mywinadmin where mywinadmin is the further AD admin username # Note: to force custom AD further admin password add hvp_winadminpwd=mywinothersecret where mywinothersecret is the further AD admin user password # Note: to force custom keyboard layout add hvp_kblayout=cc where cc is the country code # Note: to force custom local timezone add hvp_timezone=VV where VV is the timezone specification # Note: to force custom Yum retries on failures add hvp_yum_retries=RR where RR is the number of retries # Note: to force custom Yum sleep time on failures add hvp_yum_sleep_time=SS where SS is the number of seconds between retries after each failure # Note: to force custom repo base URL for repo reponame add hvp_reponame_baseurl=HHHHH where HHHHH is the base URL (including variables like $releasever and $basearch) # Note: to force custom repo GPG key URL for repo reponame add hvp_reponame_gpgkey=GGGGG where GGGGG is the GPG key URL # Note: the default behaviour does not register fixed nic name-to-MAC mapping # Note: the default host naming uses the "My Little Pony" character name grannysmith # Note: the default addressing on connected networks is assumed to be 172.20.{10,12}.0/24 on {mgmt,lan} # Note: the default MTU is assumed to be 1500 on {mgmt,lan} # Note: the default machine IPs are assumed to be the 240th IPs available (network address + 240) on each connected network # Note: the default domain names are assumed to be {mgmt,lan}.private # Note: the default multi-instance limit is assumed to be 9 # Note: the default AD subdomain name is assumed to be ad # Note: the default domain action is "false" (do not join an AD domain) # Note: the default AD DC naming uses the "My Little Pony" character name spike for the AD DC # Note: the default desktop type is gnome # Note: the default desktop DB type is sqlite # Note: the default DB server naming uses the "My Little Pony" character name bigmcintosh for the DB server # Note: the default Web server naming uses the "My Little Pony" character name cheerilee for the Web server # Note: the default nameserver IP is assumed to be 8.8.8.8 # Note: the default gateway IP is assumed to be equal to the test IP on the mgmt network # Note: the default root user password is HVP_dem0 # Note: the default admin username is hvpadmin # Note: the default admin user password is HVP_dem0 # Note: the default notification email address for receiver is monitoring@localhost # Note: the default AD further admin username is the same as the admin username with the string "ad" prefixed # Note: the default AD further admin user password is HVP_dem0 # Note: the default keyboard layout is us # Note: the default local timezone is UTC # Note: the default number of retries after a Yum failure is 10 # Note: the default sleep time between retries after a Yum failure is 10 seconds # Note: the default repo base URL for each required repo is that which is included into the default .repo file from the latest release package for each repo # Note: the default repo GPG key URL for each required repo is that which is included into the default .repo file from the latest release package for each repo # Note: to work around a known kernel commandline length limitation, all hvp_* parameters above can be omitted and proper default values (overriding the hardcoded ones) can be placed in Bash-syntax variables-definition files placed alongside the kickstart file - the name of the files retrieved and sourced (in the exact order) is: hvp_parameters.sh hvp_parameters_vd.sh hvp_parameters_hh:hh:hh:hh:hh:hh.sh (where hh:hh:hh:hh:hh:hh is the MAC address of the nic used to retrieve the kickstart file) # Perform an installation (as opposed to an "upgrade") install # Avoid asking interactive confirmation for unsupported hardware unsupported_hardware # Uncomment the line below to receive debug messages on a syslog server # logging --host=192.168.229.1 --level=info # Use text mode (as opposed to "cmdline", "graphical" or "vnc") text # Uncomment the line below to automatically reboot at the end of installation # (must be sure that system does not try to loop-install again and again) # Note: this is needed for proper installation automation by means of virt-install reboot # Installation source configuration dynamically generated in pre section below %include /tmp/full-installsource # System localization configuration dynamically generated in pre section below %include /tmp/full-localization # Network interface configuration dynamically generated in pre section below %include /tmp/full-network # Control "First Boot" interactive tool execution # TODO: the following seems to be started anyway even if disabled manually in post section below - see https://bugzilla.redhat.com/show_bug.cgi?id=1213114 firstboot --disable # EULA is implicitly accepted eula --agreed # Do not configure X Windows (as opposed to an "xconfig" line) skipx # Fail safe X Windows configuration #xconfig --defaultdesktop=GNOME --startxonboot # Control automatically enabled/disabled services for OS-supplied packages services --disabled="mdmonitor,multipathd,lm_sensors,iscsid,iscsiuio,fcoe,fcoe-target,lldpad,iptables,ip6tables,ksm,ksmtuned,tuned,libvirtd,libvirt-guests,qpidd,tog-pegasus,cups,portreserve,postfix,nfs,nfs-lock,rpcbind,rpc-idmapd,rpc-gssd,rpc-svcgssd,pcscd,avahi-daemon,network,bluetooth,gpm,vsftpd,vncserver,slapd,dnsmasq,ipmi,ipmievd,nscd,psacct,rdisc,rwhod,saslauthd,smb,nmb,snmptrapd,svnserve,winbind,oddjobd,autofs,wpa_supplicant,kdump,iprdump,iprinit,iprupdate,snmpd" --enabled="firewalld,NetworkManager,NetworkManager-wait-online,ntpdate,ntpd" # Users configuration dynamically generated in pre section below %include /tmp/full-users # Firewall (firewalld) enabled # Note: further configuration performed in post section below firewall --enabled --ssh # Configure authentication mode authconfig --enableshadow --passalgo=sha512 # Leave SELinux on (default will be "targeted" mode) selinux --enforcing # Disable kdump %addon com_redhat_kdump --disable %end # Disk configuration dynamically generated in pre section below %include /tmp/full-disk # Packages list - package groups are preceded by an "@" sign - excluded packages by an "-" sign # Note: some virtualization technologies (Parallels, VirtualBox) require gcc, kernel-devel and dkms (from external repo) packages %packages @system-admin-tools @console-internet @core @base @large-systems @performance @network-file-system-client @gnome-desktop @graphics @graphical-admin-tools @multimedia @print-client @office-suite libreoffice-base @x11 xorg-x11-server-Xorg xorg-x11-drivers -gnome-boxes -perl-homedir # Note: the following is needed since ifconfig/route is still required by some software net-tools policycoreutils-python policycoreutils-newrole mcstrans stunnel -xinetd -ntp # Note: the following seems to be missing by default and we explicitly include it to allow efficient updates deltarpm rdate symlinks dos2unix unix2dos screen minicom telnet tree audit iptraf iptstate device-mapper-multipath lm_sensors OpenIPMI ipmitool hdparm sdparm lsscsi xfsprogs xfsdump firefox nss-tools patch expect ksh ncompress libnl redhat-lsb vim-X11 tigervnc tigervnc-server freerdp xterm -zsh -nmap -xdelta -bluez -bluez-libs -fetchmail -mutt -pam_pkcs11 -coolkey -finger -conman %end # Pre-installation script (run with bash from stage2.img immediately after parsing this kickstart file) %pre ( # Run the entire pre section as a subshell for logging. # Discover exact pre-stage environment echo "PRE env" >> /tmp/pre.out env >> /tmp/pre.out echo "PRE devs" >> /tmp/pre.out ls -l /dev/* >> /tmp/pre.out echo "PRE block" >> /tmp/pre.out ls -l /sys/block/* >> /tmp/pre.out echo "PRE mounts" >> /tmp/pre.out df -h >> /tmp/pre.out echo "PRE progs" >> /tmp/pre.out for pathdir in $(echo "${PATH}" | sed -e 's/:/ /'); do if [ -d "${pathdir}" ]; then ls "${pathdir}"/* >> /tmp/pre.out fi done # A simple regex matching IP addresses IPregex='[0-9]*[.][0-9]*[.][0-9]*[.][0-9]*' # A general IP add/subtract function to allow classless subnets +/- offsets # Note: derived from https://stackoverflow.com/questions/33056385/increment-ip-address-in-a-shell-script # TODO: add support for IPv6 ipmat() { local given_ip=$1 local given_diff=$2 local given_op=$3 # TODO: perform better checking on parameters if [ -z "${given_ip}" -o -z "${given_diff}" -o -z "${given_op}" ]; then echo "" return 255 fi local given_ip_hex=$(printf '%.2X%.2X%.2X%.2X' $(echo "${given_ip}" | sed -e 's/\./ /g')) local given_diff_hex=$(printf '%.8X' "${given_diff}") local result_ip_hex=$(printf '%.8X' $(echo $(( 0x${given_ip_hex} ${given_op} 0x${given_diff_hex} )))) local result_ip=$(printf '%d.%d.%d.%d' $(echo "${result_ip_hex}" | sed -r 's/(..)/0x\1 /g')) echo "${result_ip}" return 0 } # Define all default network data unset nicmacfix unset network unset netmask unset network_base unset mtu unset domain_name unset ad_subdomain_prefix unset domain_join unset ad_dc_name unset detype unset dedbtype unset db_name unset web_name unset reverse_domain_name unset test_ip unset test_ip_offset unset my_ip_offset unset multi_instance_max unset my_name unset my_nameserver unset my_gateway unset root_password unset admin_username unset admin_password unset notification_receiver unset winadmin_username unset winadmin_password unset keyboard_layout unset local_timezone unset hvp_repo_baseurl unset hvp_repo_gpgkey # Hardcoded defaults nicmacfix="false" ad_dc_name="spike" db_name="bigmcintosh" web_name="cheerilee" detype="gnome" dedbtype="sqlite" declare -A hvp_repo_baseurl declare -A hvp_repo_gpgkey # Note: IP offsets below get used to automatically derive IP addresses # Note: no need to allow offset overriding from commandline if the IP address itself can be specified # Note: the following can be overridden from commandline test_ip_offset="1" my_ip_offset="240" multi_instance_max="9" declare -A network netmask network_base mtu network['mgmt']="172.20.10.0" netmask['mgmt']="255.255.255.0" network_base['mgmt']="172.20.10" mtu['mgmt']="1500" network['lan']="172.20.12.0" netmask['lan']="255.255.255.0" network_base['lan']="172.20.12" mtu['lan']="1500" network['internal']="172.20.13.0" netmask['internal']="255.255.255.0" network_base['internal']="172.20.13" mtu['internal']="1500" declare -A domain_name domain_name['mgmt']="mgmt.private" domain_name['lan']="lan.private" domain_name['internal']="internal.private" ad_subdomain_prefix="ad" domain_join="false" declare -A reverse_domain_name reverse_domain_name['mgmt']="10.20.172.in-addr.arpa" reverse_domain_name['lan']="12.20.172.in-addr.arpa" reverse_domain_name['internal']="13.20.172.in-addr.arpa" declare -A test_ip # Note: default values for test_ip derived below - defined here to allow loading as configuration parameters my_nameserver="8.8.8.8" my_name="grannysmith" # Note: passwords must meet the AD complexity requirements root_password="HVP_dem0" admin_username="hvpadmin" admin_password="HVP_dem0" winadmin_password="HVP_dem0" keyboard_layout="us" local_timezone="UTC" notification_receiver="monitoring@localhost" # Detect any configuration fragments and load them into the pre environment # Note: incomplete (no device or filename), BIOS based devices, UUID, file and DHCP methods are unsupported ks_custom_frags="hvp_parameters.sh hvp_parameters_vd.sh" mkdir /tmp/kscfg-pre mkdir /tmp/kscfg-pre/mnt ks_source="$(cat /proc/cmdline | sed -n -e 's/^.*\s*inst\.ks=\(\S*\)\s*.*$/\1/p')" if [ -z "${ks_source}" ]; then # Note: if we are here and no Kickstart has been explicitly specified, then it must have been found by OEMDRV method (needs CentOS >= 7.2) ks_source='hd:LABEL=OEMDRV' fi if [ -n "${ks_source}" ]; then ks_dev="" if echo "${ks_source}" | grep -q '^floppy' ; then # Note: hardcoded device name for floppy disk ks_dev="/dev/fd0" # Note: filesystem type on floppy disk autodetected ks_fstype="*" ks_fsopt="ro" ks_path="$(echo ${ks_source} | awk -F: '{print $2}')" if [ -z "${ks_path}" ]; then ks_path="/ks.cfg" fi ks_dir="$(echo ${ks_path} | sed -e 's%/[^/]*$%%')" elif echo "${ks_source}" | grep -q '^cdrom' ; then # Note: cdrom gets accessed as real device name which must be detected - assuming it is the first removable device # Note: hardcoded possible device names for CD/DVD - should cover all reasonable cases # Note: on RHEL>=6 even IDE/ATAPI devices have SCSI device names for dev in /dev/sd[a-z] /dev/sr[0-9]; do if [ -b "${dev}" ]; then is_removable="$(cat /sys/block/$(basename ${dev})/removable 2>/dev/null)" if [ "${is_removable}" = "1" ]; then ks_dev="${dev}" ks_fstype="iso9660" ks_fsopt="ro" ks_path="$(echo ${ks_source} | awk -F: '{print $2}')" if [ -z "${ks_path}" ]; then ks_path="/ks.cfg" ks_dir="/" else ks_dir="$(echo ${ks_path} | sed -e 's%/[^/]*$%%')" fi break fi fi done elif echo "${ks_source}" | grep -q '^hd:' ; then # Note: blindly extracting device name from Kickstart commandline ks_spec="$(echo ${ks_source} | awk -F: '{print $2}')" ks_dev="/dev/${ks_spec}" # Detect LABEL-based device selection if echo "${ks_spec}" | grep -q '^LABEL=' ; then ks_label="$(echo ${ks_spec} | awk -F= '{print $2}')" if [ -z "${ks_label}" ]; then echo "Invalid definition of Kickstart labeled device" 1>&2 ks_dev="" else ks_dev=/dev/$(lsblk -r -n -o name,label | awk "/\\<$(echo ${ks_label} | sed -e 's%\([./*\\]\)%\\\1%g')\\>/ {print \$1}" | head -1) fi fi # Note: filesystem type on local drive autodetected ks_fstype="*" ks_fsopt="ro" ks_path="$(echo ${ks_source} | awk -F: '{print $3}')" if [ -z "${ks_path}" ]; then ks_path="/ks.cfg" ks_dir="/" else ks_dir="$(echo ${ks_path} | sed -e 's%/[^/]*$%%')" fi elif echo "${ks_source}" | grep -q '^nfs:' ; then # Note: blindly extracting NFS server from Kickstart commandline ks_host="$(echo ${ks_source} | awk -F: '{print $2}')" ks_fstype="nfs" # TODO: support NFS options ks_fsopt="ro,nolock" ks_path="$(echo ${ks_source} | awk -F: '{print $3}')" if [ -z "${ks_path}" ]; then echo "Unable to determine Kickstart NFS source path" 1>&2 ks_dev="" else ks_dev="${ks_host}:$(echo ${ks_path} | sed -e 's%/[^/]*$%%')}" ks_dir="/" fi elif echo "${ks_source}" | egrep -q '^(http|https|ftp):' ; then # Note: blindly extracting URL from Kickstart commandline ks_host="$(echo ${ks_source} | sed -e 's%^.*//%%' -e 's%/.*$%%')" ks_dev="$(echo ${ks_source} | sed -e 's%/[^/]*$%%')" ks_fstype="url" else echo "Unsupported Kickstart source detected" 1>&2 fi if [ -z "${ks_dev}" ]; then echo "Unable to extract Kickstart source - skipping configuration fragments retrieval" 1>&2 else # Note: for network-based kickstart retrieval methods we extract the relevant nic MAC address to get the machine-specific fragment if [ "${ks_fstype}" = "url" -o "${ks_fstype}" = "nfs" ]; then # Note: we detect the nic device name as the one detaining the route towards the host holding the kickstart script # Note: regarding the kickstart host: we assume that if it is not already been given as an IP address then it is a DNS fqdn if ! echo "${ks_host}" | grep -q "${IPregex}" ; then ks_host_ip=$(nslookup "${ks_host}" | tail -n +3 | awk '/^Address/ {print $2}' | head -1) else ks_host_ip="${ks_host}" fi ks_nic=$(ip route get "${ks_host_ip}" | sed -n -e 's/^.*\s\+dev\s\+\(\S\+\)\s\+.*$/\1/p') if [ -f "/sys/class/net/${ks_nic}/address" ]; then ks_custom_frags="${ks_custom_frags} hvp_parameters_$(cat /sys/class/net/${ks_nic}/address).sh" fi fi if [ "${ks_fstype}" = "url" ]; then for custom_frag in ${ks_custom_frags} ; do echo "Attempting network retrieval of ${ks_dev}/${custom_frag}" 1>&2 wget -P /tmp/kscfg-pre "${ks_dev}/${custom_frag}" done else # Note: filesystem type autodetected mount -o ${ks_fsopt} ${ks_dev} /tmp/kscfg-pre/mnt for custom_frag in ${ks_custom_frags} ; do echo "Attempting filesystem retrieval of ${custom_frag}" 1>&2 if [ -f "/tmp/kscfg-pre/mnt${ks_dir}/${custom_frag}" ]; then cp "/tmp/kscfg-pre/mnt${ks_dir}/${custom_frag}" /tmp/kscfg-pre fi done umount /tmp/kscfg-pre/mnt fi fi fi # Load any configuration fragment found, in the proper order # Note: configuration-fragment defaults will override hardcoded defaults # Note: commandline parameters will override configuration-fragment and hardcoded defaults # Note: configuration fragments get executed with full privileges and no further controls beside a bare syntax check: obvious security implications must be taken care of (use HTTPS for network-retrieved kickstart and fragments) pushd /tmp/kscfg-pre for custom_frag in ${ks_custom_frags} ; do if [ -f "${custom_frag}" ]; then # Perform a configuration fragment sanity check before loading bash -n "${custom_frag}" > /dev/null 2>&1 res=$? if [ ${res} -ne 0 ]; then # Report invalid configuration fragment and skip it logger -s -p "local7.err" -t "kickstart-pre" "Skipping invalid remote configuration fragment ${custom_frag}" continue fi source "./${custom_frag}" fi done popd # TODO: perform better consistency check on all commandline-given parameters # Determine choice of nic MAC fixed assignment if grep -w -q 'hvp_nicmacfix' /proc/cmdline ; then nicmacfix="true" fi # Determine root password given_root_password=$(sed -n -e "s/^.*hvp_rootpwd=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_root_password}" ]; then root_password="${given_root_password}" fi # Determine admin username given_admin_username=$(sed -n -e "s/^.*hvp_adminname=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_admin_username}" ]; then admin_username="${given_admin_username}" fi # Determine admin password given_admin_password=$(sed -n -e "s/^.*hvp_adminpwd=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_admin_password}" ]; then admin_password="${given_admin_password}" fi # Determine AD further admin username given_winadmin_username=$(sed -n -e "s/^.*hvp_winadminname=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_winadmin_username}" ]; then winadmin_username="${given_winadmin_username}" fi if [ -z "${winadmin_username}" ]; then winadmin_username="ad${admin_username}" fi # Determine AD further admin password given_winadmin_password=$(sed -n -e "s/^.*hvp_winadminpwd=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_winadmin_password}" ]; then winadmin_password="${given_winadmin_password}" fi # Determine keyboard layout given_keyboard_layout=$(sed -n -e "s/^.*hvp_kblayout=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_keyboard_layout}" ]; then keyboard_layout="${given_keyboard_layout}" fi # Determine local timezone given_local_timezone=$(sed -n -e "s/^.*hvp_timezone=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_local_timezone}" ]; then local_timezone="${given_local_timezone}" fi # Determine notification receiver email address given_receiver_email=$(sed -n -e "s/^.*hvp_receiver_email=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_receiver_email}" ]; then notification_receiver="${given_receiver_email}" fi # Determine hostname given_hostname=$(sed -n -e 's/^.*hvp_myname=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_hostname}" | grep -q '^[[:alnum:]]\+$' ; then my_name="${given_hostname}" fi # Determine multi-instance limit given_multi_instance_max=$(sed -n -e 's/^.*hvp_maxinstances=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_multi_instance_max}" | grep -q '^[[:digit:]]\+$' ; then multi_instance_max="${given_multi_instance_max}" fi # Determine AD subdomain name given_ad_subdomainname=$(sed -n -e "s/^.*hvp_ad_subdomainname=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_ad_subdomainname}" ]; then ad_subdomain_prefix="${given_ad_subdomainname}" fi # Determine domain action given_joindomain=$(sed -n -e 's/^.*hvp_joindomain=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_joindomain}" | egrep -q '^(true|false)$' ; then domain_join="${given_joindomain}" fi # Determine AD DC name given_dcname=$(sed -n -e 's/^.*hvp_dcname=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_dcname}" | grep -q '^[[:alnum:]]\+$' ; then ad_dc_name="${given_dcname}" fi # Determine DB server name given_dbname=$(sed -n -e 's/^.*hvp_dbname=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_dbname}" | grep -q '^[[:alnum:]]\+$' ; then db_name="${given_dbname}" fi # Determine Web server name given_webname=$(sed -n -e 's/^.*hvp_webname=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_webname}" | grep -q '^[[:alnum:]]\+$' ; then web_name="${given_webname}" fi # Determine desktop type given_detype=$(sed -n -e 's/^.*hvp_detype=\(\S*\).*$/\1/p' /proc/cmdline) case "${given_detype}" in gnome|kde|xfce|lxde) detype="${given_detype}" ;; esac # Determine desktop DB type given_dedbtype=$(sed -n -e 's/^.*hvp_dedbtype=\(\S*\).*$/\1/p' /proc/cmdline) case "${given_dedbtype}" in sqlite|postgresql) dedbtype="${given_dedbtype}" ;; esac # Determine nameserver address given_nameserver=$(sed -n -e "s/^.*hvp_nameserver=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_nameserver}" ]; then my_nameserver="${given_nameserver}" fi # Determine gateway address given_gateway=$(sed -n -e "s/^.*hvp_gateway=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_gateway}" ]; then my_gateway="${given_gateway}" fi # Determine network segments parameters unset my_ip declare -A my_ip for zone in "${!network[@]}" ; do given_network_domain_name=$(sed -n -e "s/^.*hvp_${zone}_domainname=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_network_domain_name}" ]; then domain_name["${zone}"]="${given_network_domain_name}" fi given_network_mtu=$(sed -n -e "s/^.*hvp_${zone}_mtu=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_network_mtu}" ]; then mtu["${zone}"]="${given_network_mtu}" fi given_network=$(sed -n -e "s/^.*hvp_${zone}=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) unset NETWORK NETMASK eval $(ipcalc -s -n "${given_network}") eval $(ipcalc -s -m "${given_network}") if [ -n "${NETWORK}" -a -n "${NETMASK}" ]; then network["${zone}"]="${NETWORK}" netmask["${zone}"]="${NETMASK}" fi NETWORK=${network["${zone}"]} NETMASK=${netmask["${zone}"]} given_network_my_ip=$(sed -n -e "s/^.*hvp_${zone}_my_ip=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_network_my_ip}" ]; then my_ip["${zone}"]="${given_network_my_ip}" else unset IPADDR IPADDR=$(echo "${given_network}" | sed -n -e 's>^\([^/]*\)/.*$>\1>p') if [ -n "${IPADDR}" -a "${IPADDR}" != "${NETWORK}" ]; then my_ip["${zone}"]="${IPADDR}" else my_ip["${zone}"]=$(ipmat ${NETWORK} ${my_ip_offset} +) fi fi given_network_test_ip=$(sed -n -e "s/^.*hvp_${zone}_test_ip=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_network_test_ip}" ]; then test_ip["${zone}"]="${given_network_test_ip}" fi if [ -z "${test_ip[${zone}]}" ]; then test_ip["${zone}"]=$(ipmat ${NETWORK} ${test_ip_offset} +) fi unset PREFIX eval $(ipcalc -s -p "${NETWORK}" "${NETMASK}") if [ "${PREFIX}" -ge 24 ]; then reverse_domain_name["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $3,$2,$1}').in-addr.arpa network_base["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $1,$2,$3}') elif [ "${PREFIX}" -ge 16 ]; then reverse_domain_name["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $2,$1}').in-addr.arpa network_base["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $1,$2}') elif [ "${PREFIX}" -ge 8 ]; then reverse_domain_name["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $1}').in-addr.arpa network_base["${zone}"]=$(echo ${NETWORK} | awk -F. 'BEGIN {OFS="."}; {print $1}') fi done # Disable any interface configured by NetworkManager # Note: NetworkManager may interfer with interface assignment autodetection logic below # Note: interfaces will be explicitly activated again by our dynamically created network configuration fragment for nic_device_name in $(nmcli -t device show | awk -F: '/^GENERAL\.DEVICE:/ {print $2}' | egrep -v '^(bonding_masters|lo|sit[0-9])$' | sort); do if nmcli -t device show "${nic_device_name}" | grep -q '^GENERAL\.STATE:.*(connected)' ; then nmcli device disconnect "${nic_device_name}" ip addr flush dev "${nic_device_name}" ip link set mtu 1500 dev "${nic_device_name}" fi done for connection_name in $(nmcli -t connection show | awk -F: '{print $1}' | sort); do nmcli connection delete "${connection_name}" done # Determine network interface assignment # Note: unconnected nics will be disabled unset nics declare -A nics for nic_name in $(ls /sys/class/net/ 2>/dev/null | egrep -v '^(bonding_masters|lo|sit[0-9])$' | sort); do # Note: the file below will contain 1 for link up, 0 for link down or will result inaccessible for interface disabled if [ "$(cat /sys/class/net/${nic_name}/carrier 2>/dev/null)" = "1" ]; then ip addr flush dev "${nic_name}" nic_assigned='false' for zone in "${!network[@]}" ; do # Note: check whether the desired MTU setting can be obtained or not - skip if it fails ip link set mtu "${mtu[${zone}]}" dev "${nic_name}" res=$? effective_mtu=$(cat /sys/class/net/${nic_name}/mtu 2>/dev/null) if [ ${res} -ne 0 -o "${effective_mtu}" != "${mtu[${zone}]}" ] ; then ip addr flush dev "${nic_name}" ip link set mtu 1500 dev "${nic_name}" continue fi unset PREFIX eval $(ipcalc -s -p "${network[${zone}]}" "${netmask[${zone}]}") # Perform duplicate IP detection and increment IP till it is unique tentative_ip_found="false" for ((ip_increment=0;ip_increment<=${multi_instance_max};ip_increment=ip_increment+1)); do tentative_ip=$(ipmat ${my_ip[${zone}]} ${ip_increment} +) if arping -q -c 2 -w 3 -D -I ${nic_name} ${tentative_ip} ; then # No collision detected: try to use this IP address tentative_ip_found="true" break fi done if [ "${tentative_ip_found}" = "false" ]; then # All IP addresses already taken - skip continue fi ip addr add "${tentative_ip}/${PREFIX}" dev "${nic_name}" res=$? if [ ${res} -ne 0 ] ; then # There has been a problem in assigning the IP address - skip ip addr flush dev "${nic_name}" ip link set mtu 1500 dev "${nic_name}" continue fi # Note: adding extra sleep and ping to work around possible hardware delays sleep 2 ping -c 3 -w 8 -i 2 "${test_ip[${zone}]}" > /dev/null 2>&1 if ping -c 3 -w 8 -i 2 "${test_ip[${zone}]}" > /dev/null 2>&1 ; then nics["${zone}"]="${nics[${zone}]} ${nic_name}" nic_assigned='true' # Note: we keep IP addresses aligned on all zones # Note: IP/name coherence check and correction demanded to post-install rc.ks1stboot script for zone_to_align in "${!network[@]}" ; do my_ip[${zone_to_align}]=$(ipmat ${my_ip[${zone_to_align}]} ${ip_increment} +) done ip addr flush dev "${nic_name}" ip link set mtu 1500 dev "${nic_name}" break fi ip addr flush dev "${nic_name}" ip link set mtu 1500 dev "${nic_name}" done if [ "${nic_assigned}" = "false" ]; then # Disable unassignable nics nics['unused']="${nics['unused']} ${nic_name}" fi else # Disable unconnected nics nics['unused']="${nics['unused']} ${nic_name}" fi done # TODO: Perform nic connections consistency check # TODO: either offer service on all networks or keep mgmt as trusted if there is at least another one # Remove my_ip/test_ip, network/netmask/network_base/mtu and domain_name/reverse_domain_name entries for non-existent networks for zone in "${!network[@]}" ; do if [ -z "${nics[${zone}]}" ]; then unset my_ip[${zone}] unset test_ip[${zone}] unset network[${zone}] unset netmask[${zone}] unset network_base[${zone}] unset mtu[${zone}] unset domain_name[${zone}] unset reverse_domain_name[${zone}] fi done # Determine network segment identity and parameters if [ -n "${nics['mgmt']}" ]; then my_zone="mgmt" elif [ -n "${nics['lan']}" ]; then my_zone="lan" elif [ -n "${nics['internal']}" ]; then my_zone="internal" fi if [ -z "${my_gateway}" ]; then my_gateway="${test_ip[${my_zone}]}" fi # Create network setup fragment # Note: dynamically created here to make use of full autodiscovery above # Note: defining statically configured access to autodetected networks # Note: listing interfaces using reverse alphabetical order for networks (results in: mgmt, lan, internal) # TODO: Anaconda/NetworkManager do not add DEFROUTE="no" and MTU="xxxx" parameters - adding workarounds here - remove when fixed upstream mkdir -p /tmp/hvp-networkmanager-conf pushd /tmp/hvp-networkmanager-conf cat << EOF > /tmp/full-network # Network device configuration - static version (always verify that your nic is supported by install kernel/modules) # Use a "void" configuration to make sure anaconda quickly steps over "onboot=no" devices EOF for zone in "${!network[@]}" ; do if [ -n "${nics[${zone}]}" ]; then nic_names=$(echo ${nics[${zone}]} | sed -e 's/^\s*//' -e 's/\s*$//') further_options="" # Add gateway and nameserver options only if the default gateway is on this network unset NETWORK eval $(ipcalc -s -n "${my_gateway}" "${netmask[${zone}]}") if [ "${NETWORK}" = "${network[${zone}]}" ]; then further_options="${further_options} --gateway=${my_gateway} --nameserver=${my_nameserver}" # TODO: workaround for Anaconda/NetworkManager bug - remove when fixed upstream echo 'DEFROUTE="yes"' >> ifcfg-${nic_names} else further_options="${further_options} --nodefroute" # TODO: workaround for Anaconda/NetworkManager bug - remove when fixed upstream echo 'DEFROUTE="no"' >> ifcfg-${nic_names} fi # Add hostname option on the trusted zone only if [ "${zone}" = "${my_zone}" ]; then if [ "${domain_join}" = "true" ]; then further_options="${further_options} --hostname=${my_name}.${ad_subdomain_prefix}.${domain_name[${zone}]}" else further_options="${further_options} --hostname=${my_name}.${domain_name[${zone}]}" fi fi # Single (plain) interface # TODO: support multiple interfaces per zone (mainly for the physical machine case) - introduce bondopts for each zone cat <<- EOF >> /tmp/full-network network --device=${nic_names} --activate --onboot=yes --bootproto=static --ip=${my_ip[${zone}]} --netmask=${netmask[${zone}]} --mtu=${mtu[${zone}]} ${further_options} EOF # TODO: workaround for Anaconda/NetworkManager bug - remove when fixed upstream echo "MTU=\"${mtu[${zone}]}\"" >> ifcfg-${nic_names} fi done for nic_name in ${nics['unused']} ; do # TODO: the following makes anaconda crash because of https://bugzilla.redhat.com/show_bug.cgi?id=1418289 # TODO: restore when fixed upstream #network --device=${nic_name} --no-activate --nodefroute --onboot=no --noipv4 --noipv6 cat <<- EOF >> /tmp/full-network network --device=${nic_name} --no-activate --nodefroute --onboot=no EOF done popd # Create users setup fragment cat << EOF > /tmp/full-users # Use given username and password for SSH access to installation # Note: you must add inst.sshd to installation commandline for the following to have any effect sshpw --username=${admin_username} ${admin_password} --plaintext # Define root password rootpw ${root_password} # Create an unprivileged user # Note: demanded to post section to allow for preconfigured default settings #user --name=${admin_username} --password=${admin_password} --plaintext --gecos=Admin EOF # Prepare users configuration script to be run at first boot mkdir -p /tmp/hvp-users-conf cat << EOF > /tmp/hvp-users-conf/rc.users-setup #!/bin/bash # Create local user for maintenance work # Note: unprivileged user created here to account for default settings useradd -c "Admin" ${admin_username} echo '${admin_password}' | passwd --stdin ${admin_username} if [ "${domain_join}" != "true" ]; then # Add user to wheel group to allow liberal use of sudo usermod -a -G wheel ${admin_username} fi # Note: if not joined to AD then all local users can login # Configure email aliases # Divert root email to administrative account sed -i -e "s/^#\\\\s*root.*\\\$/root:\\\\t\\\\t${admin_username}/" /etc/aliases # Divert local notification emails to administrative account if echo "${notification_receiver}" | grep -q '@localhost\$' ; then alias=\$(echo "${notification_receiver}" | sed -e 's/@localhost\$//') cat <<- EOM >> /etc/aliases # Email alias for server monitoring \${alias}: ${admin_username} EOM newaliases fi EOF # Create localization setup fragment # TODO: allow changing system language too if [ "${keyboard_layout}" != "us" ]; then # TODO: GNOME3 seems not to respect the keyboard layout preference order (US is always the default) - even when removing additional layout xlayouts="'${keyboard_layout}','us'" else xlayouts="'us'" fi cat << EOF > /tmp/full-localization # Default system language, additional languages can be enabled installing the appropriate packages below lang en_US.UTF-8 # Keyboard layout keyboard --vckeymap=${keyboard_layout} --xlayouts=${xlayouts} # Configure time zone (NTP details demanded to post section) timezone ${local_timezone} --isUtc EOF # Create disk setup fragment # TODO: find a better way to detect emulated/VirtIO devices all_devices="$(list-harddrives | egrep -v '^(fd|sr)[[:digit:]]*[[:space:]]' | awk '{print $1}' | sort)" in_use_devices=$(mount | awk '/^\/dev/ {print gensub("/dev/","","g",$1)}') kickstart_device=$(echo "${ks_dev}" | sed -e 's%^/dev/%%') if [ -b /dev/vda ]; then disk_device_name="vda" elif [ -b /dev/xvda ]; then disk_device_name="xvda" else disk_device_name="sda" fi cat << EOF > /tmp/full-disk # Simple disk configuration: single SCSI/SATA/VirtIO disk # Initialize partition table (GPT) on selected disk clearpart --drives=${disk_device_name} --all --initlabel --disklabel=gpt # Bootloader placed on MBR, with 3 seconds waiting and with password protection bootloader --location=mbr --timeout=3 --password=${root_password} --boot-drive=${disk_device_name} --driveorder=${disk_device_name} # Ignore further disks ignoredisk --only-use=${disk_device_name} # Automatically create UEFI or BIOS boot partition depending on hardware capabilities reqpart --add-boot # Simple partitioning: single root and swap part swap --fstype swap --hibernation --ondisk=${disk_device_name} --asprimary part / --fstype xfs --size=100 --grow --ondisk=${disk_device_name} --asprimary EOF # Clean up disks from any previous LVM setup # Note: it seems that simply zeroing out below is not enough vgscan -v for vg_name in $(vgs --noheadings -o vg_name); do vgremove -v -y "${vg_name}" udevadm settle --timeout=5 done for pv_name in $(pvs --noheadings -o pv_name); do pvremove -v -ff -y "${pv_name}" udevadm settle --timeout=5 done # Clean up disks from any previous software-RAID (Linux or BIOS based) setup # TODO: this does not work on CentOS7 (it would need some sort of late disk-status refresh induced inside anaconda) - workaround by manually zeroing-out the first 10 MiBs from a rescue boot before starting the install process (or simply restarting when installation stops/hangs at storage setup) # Note: skipping this on a virtual machine to avoid inflating a thin-provisioned virtual disk # Note: dmidecode command may no longer be available in pre environment if cat /sys/class/dmi/id/sys_vendor | egrep -q -v "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then # Note: resetting all disk devices since leftover configurations may interfer with installation and/or setup later on for current_device in ${all_devices}; do # Skipping devices in active use if [ "${current_device}" = "${kickstart_device}" ] || echo "${in_use_devices}" | grep -q -w "${current_device}" ; then continue fi dd if=/dev/zero of=/dev/${current_device} bs=1M count=10 dd if=/dev/zero of=/dev/${current_device} bs=1M count=10 seek=$(($(blockdev --getsize64 /dev/${current_device}) / (1024 * 1024) - 10)) done partprobe udevadm settle --timeout=5 fi # Create install source selection fragment # Note: we use a non-local (hd:) stage2 location as indicator of network boot given_stage2=$(sed -n -e 's/^.*inst\.stage2=\(\S*\).*$/\1/p' /proc/cmdline) # Define proper network source os_baseurl="http://mirror.centos.org/centos/7/os/x86_64" # Prefer custom OS repo URL, if any given_os_baseurl=$(sed -n -e 's/^.*hvp_base_baseurl=\(\S*\).*$/\1/p' /proc/cmdline) if [ -n "${given_os_baseurl}" ]; then # Correctly detect an empty (disabled) repo URL if [ "${given_os_baseurl}" = '""' -o "${given_os_baseurl}" = "''" ]; then unset hvp_repo_baseurl['base'] else hvp_repo_baseurl['base']="${given_os_baseurl}" fi fi if [ -n "${hvp_repo_baseurl['base']}" ]; then os_baseurl="${hvp_repo_baseurl['base']}" fi if echo "${given_stage2}" | grep -q '^hd:' ; then # Detect use of NetInstall media if [ -d /run/install/repo/repodata ]; then # Note: we know that the local stage2 comes from a Full/Minimal image (Packages repo included) cat <<- EOF > /tmp/full-installsource # Use the inserted optical media as in: cdrom # alternatively specify a NFS network share as in: # nfs --opts=nolock --server NfsFqdnServerName --dir /path/to/CentOS/base/dir/copied/from/DVD/media # or an HTTP/FTP area as in: # url --url http://mirror.centos.org/centos/7/os/x86_64 # Explicitly list further repositories #repo --name="Local-Media" --baseurl=cdrom:sr0 --cost=1001 # Note: network repo added anyway to avoid installation failures when using a Minimal image repo --name="CentOS-Mirror" --baseurl=${os_baseurl} --cost=1001 EOF else # Note: since we detected use of NetInstall media (no local repo) we directly use a network install source cat <<- EOF > /tmp/full-installsource # Specify a NFS network share as in: # nfs --opts=nolock --server NfsFqdnServerName --dir /path/to/CentOS/base/dir/copied/from/DVD/media # or an HTTP/FTP area as in: url --url ${os_baseurl} # alternatively use the inserted optical media as in: # cdrom EOF fi else # Note: we assume that a remote stage2 has been copied preserving the default Full/Minimal image structure # TODO: we assume a HTTP/FTP area - add support for NFS cat <<- EOF > /tmp/full-installsource # Specify a NFS network share as in: # nfs --opts=nolock --server NfsFqdnServerName --dir /path/to/CentOS/base/dir/copied/from/DVD/media # or an HTTP/FTP area as in: url --url ${given_stage2} # alternatively use the inserted optical media as in: # cdrom # Explicitly list further repositories # Note: network repo added anyway to avoid installation failures when a Minimal image has been copied repo --name="CentOS-Mirror" --baseurl=${os_baseurl} --cost=1001 EOF fi # Prepare NTPdate and Chrony configuration fragments to be appended later on below mkdir -p /tmp/hvp-ntpd-conf pushd /tmp/hvp-ntpd-conf if [ "${domain_join}" = "true" ]; then # Make sure to sync only with the proper time reference (emulate Windows behaviour, using as reference the AD domain name to get back the DC holding the PDC emulator FSMO role) ntp_server="${ad_subdomain_prefix}.${domain_name[${my_zone}]}" cat <<- EOF > chrony.conf server ${ntp_server} iburst EOF else ntp_server="0.centos.pool.ntp.org" fi echo "${ntp_server}" > step-tickers popd # Prepare hosts file to be copied later on below mkdir -p /tmp/hvp-bind-zones pushd /tmp/hvp-bind-zones cat << EOF > hosts # Static hostnames EOF for zone in "${!network[@]}" ; do if [ "${zone}" = "${my_zone}" ]; then if [ "${domain_join}" = "true" ]; then cat <<- EOF >> hosts ${my_ip[${zone}]} ${my_name}.${ad_subdomain_prefix}.${domain_name[${zone}]} ${my_name} EOF else cat <<- EOF >> hosts ${my_ip[${zone}]} ${my_name}.${domain_name[${zone}]} ${my_name} EOF fi else cat <<- EOF >> hosts ${my_ip[${zone}]} ${my_name}.${domain_name[${zone}]} EOF fi done popd # Prepare TCP wrappers custom lines to be appended later on # Note: current logic is: only internal network is untrusted (no services offered) # TODO: in presence of more than one network, distinguish services to be offered on all from those restricted to the trusted one # TODO: align firewalld zones/rules with this logic mkdir -p /tmp/hvp-tcp_wrappers-conf allowed_addr="127.0.0.1" for zone in "${!network[@]}" ; do if [ "${zone}" = "internal" -a "${zone}" != "${my_zone}" ]; then continue fi if [ -n "${nics[${zone}]}" ]; then allowed_addr="${network[${zone}]}/${netmask[${zone}]} ${allowed_addr}" fi done cat << EOF > /tmp/hvp-tcp_wrappers-conf/hosts.allow ALL: ${allowed_addr} EOF # Create AD domain joining script if [ "${domain_join}" = "true" ]; then mkdir -p /tmp/hvp-domain-join pushd /tmp/hvp-domain-join realm_name=$(echo ${ad_subdomain_prefix}.${domain_name[${my_zone}]} | awk '{print toupper($0)}') cat <<- EOF > rc.domain-join #!/bin/bash # Setup krb5.conf properly sed -i -e "s/^\\\\(\\\\s*\\\\)\\\\(dns_lookup_realm\\\\s*=.*\\\\)\\$/\\\\1\\\\2\n\\\\1dns_lookup_kdc = true\\\\n\\\\1default_realm = ${realm_name}/" /etc/krb5.conf # Perform Kerberos authentication to allow unattended join below cat << EOM | expect -f - set force_conservative 1 if {\\\$force_conservative} { set send_slow {1 .1} proc send {ignore arg} { sleep .1 exp_send -s -- \\\$arg } } set timeout -1 spawn "kinit" "${winadmin_username}@${realm_name}" match_max 100000 expect -re "Password for.*:.*\\\$" send -- "${winadmin_password}\\\\r" expect eof EOM res=\$? if [ \${res} -ne 0 ]; then # Report script ending logger -s -p "local7.err" -t "rc.domain-join" "Exiting join (failed Kerberos authentication with join credentials)" exit \${res} else klist realm join -v --unattended --os-name=\$(lsb_release -si) --os-version=\$(lsb_release -sr) --computer-ou=OU="Remote Desktop Servers" --automatic-id-mapping=no ${ad_subdomain_prefix}.${domain_name[${my_zone}]} # Add further Kerberos SPNs # TODO: adcli update should be preferred but it's not usable as per https://bugzilla.redhat.com/show_bug.cgi?id=1547013 # TODO: try adcli update with explicit --login-ccache parameter as per https://bugs.freedesktop.org/show_bug.cgi?id=99460 rm -f /etc/krb5.keytab adcli join -C --domain=${ad_subdomain_prefix}.${domain_name[${my_zone}]} --service-name=host --service-name=RestrictedKrbHost --service-name=nfs kdestroy # Limit access from AD accounts # TODO: GPOs must be created to limit access # Note: the following nested document-here does not need the <<- notation since document-here must have only tabs in front and the outer one will remove all making this block left-aligned cat << EOM >> /etc/sssd/sssd.conf ad_gpo_access_control = enforcing EOM # Complete SSSD configuration for AD # Note: GDM login fails otherwise as per https://bugzilla.redhat.com/show_bug.cgi?id=1231833 sed -i -e '/services/s/\$/, pac/' /etc/sssd/sssd.conf # Note: the following nested document-here does not need the <<- notation since document-here must have only tabs in front and the outer one will remove all making this block left-aligned cat << EOM >> /etc/sssd/sssd.conf auth_provider = ad chpass_provider = ad EOM # Configure automounter for AD-integrated LDAP maps # Note: oddjobd-mkhomedir is automatically enabled but NFS-based home dirs need NFS root access to be autocreated at logon # Note: using SSSD (instead of direct LDAP access) as autofs backend setsebool -P use_nfs_home_dirs on sed -i -e '/^automount:/s/files.*\$/sss/g' /etc/nsswitch.conf sed -i -e '/services/s/\$/, autofs/' /etc/sssd/sssd.conf # Note: the following nested document-here does not need the <<- notation since document-here must have only tabs in front and the outer one will remove all making this block left-aligned cat << EOM >> /etc/sssd/sssd.conf ldap_autofs_search_base = OU=automount,$(echo "${ad_subdomain_prefix}.${domain_name[${my_zone}]}" | sed -e 's/\./,DC=/g') ldap_autofs_map_object_class = automountMap ldap_autofs_entry_object_class = automount ldap_autofs_map_name = automountMapName ldap_autofs_entry_key = automountKey ldap_autofs_entry_value = automountInformation EOM # Configure sudo for AD-integrated LDAP rules # Note: using SSSD (instead of direct LDAP access) as sudo backend # Note: the following nested document-here does not need the <<- notation since document-here must have only tabs in front and the outer one will remove all making this block left-aligned cat << EOM >> /etc/nsswitch.conf sudoers: files sss EOM sed -i -e '/services/s/\$/, sudo/' /etc/sssd/sssd.conf # Note: the following nested document-here does not need the <<- notation since document-here must have only tabs in front and the outer one will remove all making this block left-aligned cat << EOM >> /etc/sssd/sssd.conf sudo_provider = ad EOM systemctl restart sssd # Configure SSH server and client for Kerberos SSO # TODO: verify auth_to_local mapping rules in /etc/krb5.conf sed -i -e 's/^#GSSAPIKeyExchange\\s.*\$/GSSAPIKeyExchange yes\\nGSSAPIStoreCredentialsOnRekey yes/' /etc/ssh/sshd_config sed -i -e 's/^\\(\\s*\\)\\(GSSAPIAuthentication\\s*yes\\).*\$/\\1\\2\\n\\1GSSAPIDelegateCredentials yes\\n\\1GSSAPIKeyExchange yes\\n\\1GSSAPIRenewalForcesRekey yes/' /etc/ssh/ssh_config # TODO: restart hangs blocking rc.domain-join indefinitely - working around with stop + start systemctl stop sshd systemctl start sshd # Complete automounter configuration mkdir -p /home/{${ad_subdomain_prefix}.${domain_name[${my_zone}]},groups} /usr/local/software chown root:root /home/{${ad_subdomain_prefix}.${domain_name[${my_zone}]},groups} /usr/local/software chmod 711 /home/${ad_subdomain_prefix}.${domain_name[${my_zone}]} chmod 755 /home/groups /usr/local/software systemctl --now enable autofs fi EOF popd fi # Prepare desktop environment configuration script to be run at first boot mkdir -p /tmp/hvp-desktop-conf cat << EOF > /tmp/hvp-desktop-conf/rc.desktop-setup #!/bin/bash # Configure X2Go DB case "${dedbtype}" in sqlite) # Nothing to do ;; postgresql) # Setup PostgreSQL DB backend if [ "${domain_join}" = "true" ]; then db_host="${db_name}.${ad_subdomain_prefix}.${domain_name[${my_zone}]}" x2go_users_group="Remote Desktop Users@${ad_subdomain_prefix}.${domain_name[${my_zone}]}" web_host="${web_name}.${ad_subdomain_prefix}.${domain_name[${my_zone}]}" my_host="${my_name}.${ad_subdomain_prefix}.${domain_name[${my_zone}]}" else db_host="${db_name}.${domain_name[${my_zone}]}" x2go_users_group="users" web_host="${web_name}.${domain_name[${my_zone}]}" my_host="${my_name}.${domain_name[${my_zone}]}" fi sed -i -e "s/^backend=.*\\\$/backend=postgres/g' -e '/^\\\\[postgres\\\\]/,/^\\\\[/s/^host=.*\\\$/host=\\\${db_host}/" /etc/x2go/x2gosql/sql echo '${root_password}' > /etc/x2go/x2gosql/passwords/pgadmin chown root:root /etc/x2go/x2gosql/passwords/pgadmin chmod 600 /etc/x2go/x2gosql/passwords/pgadmin # Perform X2Go DB initialization only if DB is missing export PGPASSWORD='${root_password}' if ! psql -h "\${db_host}" -w -U postgres -lqt | cut -d \\| -f 1 | grep -qw x2go_sessions ; then /usr/lib/x2go/script/x2godbadmin --createdb /usr/lib/x2go/script/x2godbadmin --addgroup "\${x2go_users_group}" fi # TODO: Allow access to the X2Go session broker # TODO: the session broker agent must be configured after the session broker server has been setup (on a different machine) # TODO: either enroll signed certificates or use a local CA then switch to HTTPS #x2gobroker-pubkeyauthorizer --broker-url http://\${web_host}/x2gobroker/pubkeys/ # TODO: after enrolling, list this host under session broker configuration on session broker server #sed -i -e "/^host=/s/\\\$/,\${my_host} (\$(dig \${my_host} A +short))/" /etc/x2go/x2gobroker-sessionprofiles.conf ;; esac # Configure X2Go systemctl --now enable x2goserver EOF ) 2>&1 | tee /tmp/kickstart_pre.log %end # Post-installation script (run with bash from installation image at the end of installation) %post --nochroot --log /dev/console ( # Run the entire post section as a subshell for logging purposes. # Copy configuration parameters files (generated in pre section above) into installed system (to be loaded during chrooted post section below) mkdir -p ${ANA_INSTALL_PATH}/root/etc/kscfg-pre for custom_frag in /tmp/kscfg-pre/*.sh ; do if [ -f "${custom_frag}" ]; then cp "${custom_frag}" ${ANA_INSTALL_PATH}/root/etc/kscfg-pre/ fi done ) 2>&1 | tee /tmp/kickstart_post_0.log %end # Post-installation script (run with bash from chroot after the first post section) # Note: console logging to support commandline virt-install invocation %post --log /dev/console ( # Run the entire post section as a subshell for logging purposes. script_version="2019032601" # Report kickstart version for reference purposes logger -s -p "local7.info" -t "kickstart-post" "Kickstarting for $(cat /etc/system-release) - version ${script_version}" # Report kernel commandline for reference purposes logger -s -p "local7.info" -t "kickstart-post" "Kickstarting with kernel commandline: $(cat /proc/cmdline)" # Note: NetworkManager correctly updates /etc/resolv.conf inside the installation root even when in DHCP mode # Note: no need to explicitly set machine time with newer systemd/chrony installation environment # Force sane language defaults for safe command output parsing export LANG=C LC_ALL=C # Set the hostname for apps that need it # Note: hostnamectl would not work inside the installation chroot export HOSTNAME=$(cat /etc/hostname) hostname ${HOSTNAME} # Set the homedir for apps that need it export HOME="/root" # Discover exact post-stage environment echo "POST env" >> /tmp/post.out env >> /tmp/post.out echo "POST devs" >> /tmp/post.out ls -l /dev/* >> /tmp/post.out echo "POST block" >> /tmp/post.out ls -l /sys/block/* >> /tmp/post.out echo "POST mounts" >> /tmp/post.out df -h >> /tmp/post.out echo "POST progs" >> /tmp/post.out for pathdir in $(echo "${PATH}" | sed -e 's/:/ /'); do if [ -d "${pathdir}" ]; then ls "${pathdir}"/* >> /tmp/post.out fi done echo "POST resolv.conf" >> /tmp/post.out cat /etc/resolv.conf >> /tmp/post.out echo "POST hosts" >> /tmp/post.out cat /etc/hosts >> /tmp/post.out # Hardcoded defaults unset network unset netmask unset network_base unset mtu unset domain_name unset reverse_domain_name unset test_ip unset multi_instance_max unset nicmacfix unset detype unset dedbtype unset db_name unset notification_receiver unset yum_sleep_time unset yum_retries unset hvp_repo_baseurl unset hvp_repo_gpgkey # Define associative arrays declare -A network netmask network_base mtu declare -A domain_name declare -A reverse_domain_name declare -A test_ip declare -A hvp_repo_baseurl declare -A hvp_repo_gpgkey nicmacfix="false" multi_instance_max="9" db_name="bigmcintosh" detype="gnome" dedbtype="sqlite" yum_sleep_time="10" yum_retries="10" notification_receiver="monitoring@localhost" # A wrapper for Yum to make it more robust against network/mirror failures yum() { local result local retries_left /usr/bin/yum "$@" result=$? retries_left=${yum_retries} while [ ${result} -ne 0 -a ${retries_left} -gt 0 ]; do sleep ${yum_sleep_time} echo "Retrying yum operation (${retries_left} retries left at $(date '+%Y-%m-%d %H:%M:%S')) after failure (exit code ${result})" 1>&2 # Note: adding a complete cleanup before retrying /usr/bin/yum clean all /usr/bin/yum "$@" result=$? retries_left=$((retries_left - 1)) done return ${result} } # Load configuration parameters files (generated in pre section above) ks_custom_frags="hvp_parameters.sh hvp_parameters_vd.sh hvp_parameters_*:*.sh" pushd /root/etc/kscfg-pre for custom_frag in ${ks_custom_frags} ; do if [ -f "${custom_frag}" ]; then # Perform a configuration fragment sanity check before loading bash -n "${custom_frag}" > /dev/null 2>&1 res=$? if [ ${res} -ne 0 ]; then # Report invalid configuration fragment and skip it logger -s -p "local7.err" -t "kickstart-post" "Skipping invalid remote configuration fragment ${custom_frag}" continue fi source "./${custom_frag}" fi done popd # Determine choice of nic MAC fixed assignment if grep -w -q 'hvp_nicmacfix' /proc/cmdline ; then nicmacfix="true" fi # Determine multi-instance limit given_multi_instance_max=$(sed -n -e 's/^.*hvp_maxinstances=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_multi_instance_max}" | grep -q '^[[:digit:]]\+$' ; then multi_instance_max="${given_multi_instance_max}" fi # Determine DB server name given_dbname=$(sed -n -e 's/^.*hvp_dbname=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_dbname}" | grep -q '^[[:alnum:]]\+$' ; then db_name="${given_dbname}" fi # Determine desktop type given_detype=$(sed -n -e 's/^.*hvp_detype=\(\S*\).*$/\1/p' /proc/cmdline) case "${given_detype}" in gnome|kde|xfce|lxde) detype="${given_detype}" ;; esac # Determine desktop DB type given_dedbtype=$(sed -n -e 's/^.*hvp_dedbtype=\(\S*\).*$/\1/p' /proc/cmdline) case "${given_dedbtype}" in sqlite|postgresql) dedbtype="${given_dedbtype}" ;; esac # Determine number of Yum retries on failure given_yum_retries=$(sed -n -e 's/^.*hvp_yum_retries=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_yum_retries}" | grep -q '^[[:digit:]]\+$' ; then yum_retries="${given_yum_retries}" fi # Determine sleep time between Yum retries on failure given_yum_sleep_time=$(sed -n -e 's/^.*hvp_yum_sleep_time=\(\S*\).*$/\1/p' /proc/cmdline) if echo "${given_yum_sleep_time}" | grep -q '^[[:digit:]]\+$' ; then yum_sleep_time="${given_yum_sleep_time}" fi # Determine notification receiver email address given_receiver_email=$(sed -n -e "s/^.*hvp_receiver_email=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_receiver_email}" ]; then notification_receiver="${given_receiver_email}" fi # Create /dev/root symlink for grubby (must differentiate for use of LVM or MD based "/") # TODO: Open a Bugzilla notification # TODO: remove when grubby gets fixed mp=$(grep -w "/" /etc/fstab | sed -e 's/ .*//') if echo "$mp" | grep -q "^UUID=" then uuid=$(echo "$mp" | sed -e 's/UUID=//') rootdisk=$(blkid -U $uuid) elif echo "$mp" | grep -q "^/dev/" then rootdisk=$mp fi ln -sf $rootdisk /dev/root # Add YUM priorities plugin yum -y install yum-plugin-priorities # Correctly initialize YUM cache to avoid 404 errors # Note: following advice in https://access.redhat.com/articles/1320623 # TODO: remove when fixed upstream rm -rf /var/cache/yum/* yum --enablerepo '*' clean all # Comment out mirrorlist directives and uncomment the baseurl ones to make better use of proxy caches # Note: done here to cater for those repos already installed by default for repofile in /etc/yum.repos.d/*.repo; do if egrep -q '^(mirrorlist|metalink)' "${repofile}"; then sed -i -e 's/^mirrorlist/#mirrorlist/g' "${repofile}" sed -i -e 's/^metalink/#metalink/g' "${repofile}" sed -i -e 's/^#baseurl/baseurl/g' "${repofile}" fi done # Disable fastestmirror yum plugin too sed -i -e 's/^enabled.*/enabled=0/' /etc/yum/pluginconf.d/fastestmirror.conf # Allow specifying custom base URLs for repositories and GPG keys # Note: done here to cater for those repos already installed by default for repo_name in $(yum repolist all -v 2>/dev/null | awk '/Repo-id/ {print $3}' | sed -e 's>/.*$>>g'); do # Take URLs from parameters files or hardcoded defaults repo_baseurl="${hvp_repo_baseurl[${repo_name}]}" repo_gpgkey="${hvp_repo_gpgkey[${repo_name}]}" # Take URLs from kernel commandline given_repo_baseurl=$(sed -n -e "s/^.*hvp_${repo_name}_baseurl=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_repo_baseurl}" ]; then # Correctly detect an empty (disabled) repo URL if [ "${given_repo_baseurl}" = '""' -o "${given_repo_baseurl}" = "''" ]; then unset repo_baseurl else repo_baseurl="${given_repo_baseurl}" fi fi given_repo_gpgkey=$(sed -n -e "s/^.*hvp_${repo_name}_gpgkey=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_repo_gpgkey}" ]; then # Correctly detect an empty (disabled) gpgkey URL if [ "${given_repo_gpgkey}" = '""' -o "${given_repo_gpgkey}" = "''" ]; then unset repo_gpgkey else repo_gpgkey="${given_repo_gpgkey}" fi fi # Force any custom URLs if [ -n "${repo_baseurl}" ]; then yum-config-manager --save --setopt="${repo_name}.baseurl=${repo_baseurl}" > /dev/null fi if [ -n "${repo_gpgkey}" ]; then yum-config-manager --save --setopt="${repo_name}.gpgkey=${repo_gpgkey}" > /dev/null fi done # Add YUM priorities plugin yum -y install yum-plugin-priorities # Add support for CentOS CR repository (to allow up-to-date upgrade later) # Note: a partially populated CR repo may introduce dependency-related errors - better leave this to post-installation manual choices #yum-config-manager --enable cr > /dev/null # Add HVP custom repo yum -y --nogpgcheck install https://dangerous.ovirt.life/hvp-repos/el7/hvp/x86_64/hvp-release-7-5.noarch.rpm # Add upstream repository definitions yum -y install epel-release # Add Webmin repo cat << EOF > /etc/yum.repos.d/webmin.repo [webmin] name = Webmin Distribution Neutral baseurl = http://download.webmin.com/download/yum gpgcheck = 1 enabled = 1 gpgkey = http://www.webmin.com/jcameron-key.asc skip_if_unavailable = 1 EOF chmod 644 /etc/yum.repos.d/webmin.repo # Add X2Go upstream repo wget -P /etc/yum.repos.d https://packages.x2go.org/epel/x2go.repo # Note: disabling base repo and enabling ESR one yum-config-manager --disable x2go-release-epel > /dev/null yum-config-manager --enable x2go-saimaa-epel > /dev/null # Note: giving priority to upstream repo over EPEL yum-config-manager --save --setopt='x2go-saimaa-epel.priority=50' > /dev/null # Comment out mirrorlist directives and uncomment the baseurl ones to make better use of proxy caches # Note: repeated here to allow applying to further repos installed above for repofile in /etc/yum.repos.d/*.repo; do if egrep -q '^(mirrorlist|metalink)' "${repofile}"; then sed -i -e 's/^mirrorlist/#mirrorlist/g' "${repofile}" sed -i -e 's/^metalink/#metalink/g' "${repofile}" sed -i -e 's/^#baseurl/baseurl/g' "${repofile}" fi done # Allow specifying custom base URLs for repositories and GPG keys # Note: repeated here to allow applying to further repos installed above for repo_name in $(yum repolist all -v 2>/dev/null | awk '/Repo-id/ {print $3}' | sed -e 's>/.*$>>g'); do # Take URLs from parameters files or hardcoded defaults repo_baseurl="${hvp_repo_baseurl[${repo_name}]}" repo_gpgkey="${hvp_repo_gpgkey[${repo_name}]}" # Take URLs from kernel commandline given_repo_baseurl=$(sed -n -e "s/^.*hvp_${repo_name}_baseurl=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_repo_baseurl}" ]; then # Correctly detect an empty (disabled) repo URL if [ "${given_repo_baseurl}" = '""' -o "${given_repo_baseurl}" = "''" ]; then unset repo_baseurl else repo_baseurl="${given_repo_baseurl}" fi fi given_repo_gpgkey=$(sed -n -e "s/^.*hvp_${repo_name}_gpgkey=\\(\\S*\\).*\$/\\1/p" /proc/cmdline) if [ -n "${given_repo_gpgkey}" ]; then # Correctly detect an empty (disabled) gpgkey URL if [ "${given_repo_gpgkey}" = '""' -o "${given_repo_gpgkey}" = "''" ]; then unset repo_gpgkey else repo_gpgkey="${given_repo_gpgkey}" fi fi # Force any custom URLs if [ -n "${repo_baseurl}" ]; then yum-config-manager --save --setopt="${repo_name}.baseurl=${repo_baseurl}" > /dev/null fi if [ -n "${repo_gpgkey}" ]; then yum-config-manager --save --setopt="${repo_name}.gpgkey=${repo_gpgkey}" > /dev/null fi done # Enable use of delta rpms since we are not using a local mirror # Note: this may introduce HTTP 416 errors - better leave this to post-installation manual choices yum-config-manager --save --setopt='deltarpm=0' > /dev/null # Correctly initialize YUM cache again before actual bulk installations/upgrades # Note: following advice in https://access.redhat.com/articles/1320623 # TODO: remove when fixed upstream rm -rf /var/cache/yum/* yum --enablerepo '*' clean all # Update OS (with "upgrade" to allow package obsoletion) non-interactively ("-y" yum option) yum -y upgrade # TODO: Make sure that the latest installed kernel is the default # TODO: Kernel upgrade in kickstart post phase does not seem to set the latest installed kernel as boot default # TODO: Open a Bugzilla notification # TODO: Remove when fixed upstream # TODO: the following works only with re-instated CentOS6 fix above grubby --set-default=/boot/vmlinuz-$(rpm -q --last kernel | head -1 | cut -f 1 -d ' ' | sed -e 's/kernel-//') # Install HAVEGEd # Note: even in presence of an actual/virtualized hardware random number generator (managed by rngd) we install haveged as a safety measure yum -y install haveged # Install YUM-cron, YUM-plugin-ps, Gdisk, PWGen, HPing, 7Zip and ARJ yum -y install hping3 p7zip{,-plugins} arj pwgen yum -y install yum-cron yum-plugin-ps gdisk # Install Nmon and Dstat yum -y install nmon dstat # Install Apache yum -y install httpd mod_ssl # Install Webalizer and MRTG yum -y install webalizer mrtg net-snmp net-snmp-utils # Install Logcheck yum -y install logcheck # Install Webmin yum -y install webmin # Note: immediately stop webmin started by postinst scriptlet /etc/init.d/webmin stop # Install X2Go # TODO: add x2godesktopsharing package when supported under ESR yum -y install x2goserver x2goserver-xsession x2goserver-fmbindings # Add session broker agent and PostgreSQL utils for load-balanced setup yum -y install x2gobroker-agent postgresql # Install Midnight Commander yum -y install mc # Install Java browser and Virt-Viewer support yum -y install icedtea-web virt-viewer spice-xpi # Install graphical bootsplash theme yum -y install plymouth-theme-charge # Install needed packages to join AD domain yum -y install sssd-ad realmd adcli krb5-workstation samba-common sssd-tools ldb-tools tdb-tools # Install desktop packages case "${detype}" in gnome) # Install additional GNOME packages # Note: basic GNOME support is installed as fallback anyway yum -y install @gnome-apps @internet-applications vinagre alacarte dconf-editor dvgrab fonts-tweak-tool gconf-editor gedit-plugins gnome-shell-browser-plugin gnote seahorse-nautilus seahorse-sharing ;; kde) # Install KDE packages yum -y install @kde-desktop @kde-apps @kde-media kdenetwork-krdc ;; xfce) # Install Xfce packages yum -y install @xfce ;; lxde) # Install LXDE (LXQt actually) packages # TODO: switch to a group install method as soon as it will be available yum -y install lxqt-about lxqt-common lxqt-config lxqt-globalkeys lxqt-l10n lxqt-notificationd lxqt-openssh-askpass lxqt-panel lxqt-policykit lxqt-powermanagement lxqt-qtplugin lxqt-runner lxqt-session lxqt-sudo lxqt-wallet network-manager-applet nm-connection-editor pcmanfm-qt qterminal-qt5 lximage-qt openbox ;; esac # Note: removing seahorse-sharing to get rid of annoying login messages yum -y erase seahorse-sharing # Install Bareos client (file daemon + console) # TODO: using HVP repo to bring in recompiled packages from Bareos stable GIT tree - remove when regularly published upstream yum -y install bareos-client # Install virtualization tools support packages # TODO: find a way to enable some virtualization technologies (Parallels, VirtualBox) on a server machine without development support packages if dmidecode -s system-manufacturer | egrep -q "(innotek|Parallels)" ; then # Install dkms for virtualization tools support # TODO: configure virtualization tools under dkms # TODO: disabled since required development packages cannot be installed #yum -y install dkms echo "DKMS unsupported" elif dmidecode -s system-manufacturer | grep -q "Red.*Hat" ; then yum -y install qemu-guest-agent spice-vdagent elif dmidecode -s system-manufacturer | grep -q "oVirt" ; then yum -y install ovirt-guest-agent spice-vdagent elif dmidecode -s system-manufacturer | grep -q "Microsoft" ; then yum -y install hyperv-daemons elif dmidecode -s system-manufacturer | grep -q "VMware" ; then # Note: VMware basic support installed here (since it is included in base distro now) yum -y install open-vm-tools open-vm-tools-desktop fuse fi # Tune package list to underlying platform if dmidecode -s system-manufacturer | egrep -q "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then # Exclude CPU microcode updates to avoid errors on virtualized platform yum -y erase microcode_ctl else # Install Memtest86+ # Note: open source memtest86+ does not support UEFI if [ ! -d /sys/firmware/efi ]; then yum -y install memtest86+ fi # Install MCE logging/management service yum -y install mcelog fi # Add virtualization support on suitable platforms if egrep '^flags:.*(svm|vmx)' /proc/cpuinfo ; then yum -y install centos-release-qemu-ev yum -y install qemu-kvm qemu-img virt-manager libvirt libvirt-python libvirt-client virt-install virt-viewer virt-top libguestfs numpy fi # Clean up after all installations yum --enablerepo '*' clean all # Remove package update leftovers find /etc -type f -name '*.rpmnew' -exec rename .rpmnew "" '{}' ';' find /etc -type f -name '*.rpmsave' -exec rm -f '{}' ';' # Now configure the base OS # TODO: Decide which part to configure here and which part to demand to Ansible # Setup auto-update via yum-cron (ala CentOS4, replacement for yum-updatesd in CentOS5) # Note: Enable updates but leave to the user/owner the final authority on download and installation sed -i -e 's/^update_messages\s.*$/update_messages = yes/' -e 's/^download_updates\s.*$/download_updates = no/' -e 's/^apply_updates\s.*$/apply_updates = no/' -e 's/^emit_via\s.*$/emit_via = None/' /etc/yum/yum-cron*.conf systemctl enable yum-cron # Limit retained old kernels to 3 (as in CentOS5 default) yum-config-manager --save --setopt='installonly_limit=3' > /dev/null # Autodetecting BIOS/UEFI # Note: the following identifies the symlink under /etc to abstract from BIOS/UEFI actual file placement if [ -d /sys/firmware/efi ]; then grub2_cfg_file="/etc/grub2-efi.cfg" else grub2_cfg_file="/etc/grub2.cfg" fi # Configure GRUB2 boot loader (force a well-known graphical mode, be silent and do not wait for manual override, set graphical Plymouth theme) sed -i -e 's/^GRUB_TIMEOUT=.*$/GRUB_TIMEOUT="0"\nGRUB_HIDDEN_TIMEOUT="3"\nGRUB_HIDDEN_TIMEOUT_QUIET="true"/' /etc/default/grub plymouth-set-default-theme -R charge # TODO: we must manually rebuild the initramfs due to a known plymouth bug (https://bugzilla.redhat.com/show_bug.cgi?id=891039) - remove when fixed upstream dracut -f /boot/initramfs-$(uname -r).img $(uname -r) # TODO: Setup a serial terminal # TODO: find a way to detect serial port use by other software (like ovirt-guest-agent) and skip for console #serial_found="false" #for link in /sys/class/tty/*/device/driver ; do # if stat -c '%N' ${link} | grep -q 'serial' ; then # if [ -n "$(setserial -g -b /dev/$(echo ${link} | sed -e 's%^.*/tty/\([^/]*\)/.*$%\1%'))" ]; then # serial_found="true" # break # fi # fi #done #if [ "${serial_found}" = "true" ]; then # sed -i -e '/^GRUB_CMDLINE_LINUX/s/quiet/quiet console=tty0 console=ttyS0,115200n8/' /etc/default/grub # cat <<- EOF >> /etc/default/grub # GRUB_TERMINAL="console serial" # GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1" # EOF # grub2-mkconfig -o "${grub2_cfg_file}" #fi # Conditionally add memory test entry to boot loader if dmidecode -s system-manufacturer | egrep -q -v "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then # Note: open source memtest86+ does not support UEFI if [ ! -d /sys/firmware/efi ]; then memtest-setup grub2-mkconfig -o "${grub2_cfg_file}" fi fi # Configure kernel I/O scheduler policy sed -i -e '/^GRUB_CMDLINE_LINUX/s/\selevator=[^[:space:]"]*//' -e '/^GRUB_CMDLINE_LINUX/s/"$/ elevator=deadline"/' /etc/default/grub grub2-mkconfig -o "${grub2_cfg_file}" # Configuration of session/system management (ignore power actions initiated by keyboard etc.) # Note: interactive startup is disabled by default (enable with systemd.confirm_spawn=true on kernel commandline) and single user mode uses sulogin by default if dmidecode -s system-manufacturer | egrep -q -v "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then sed -i -e '/Handle[^=]*=[^i]/s/^#\(Handle[^=]*\)=.*$/\1=ignore/' /etc/systemd/logind.conf fi # Configure systemd (no shutdown from keyboard) systemctl mask ctrl-alt-del.target # Configure kernel behaviour # Console verbosity # TODO: check kernel cmdline option loglevel cat << EOF > /etc/sysctl.d/console-log.conf # Controls the severity level of kernel messages on local consoles kernel.printk = 1 EOF chmod 644 /etc/sysctl.d/console-log.conf # Reboot on panic cat << EOF > /etc/sysctl.d/panic.conf # Controls the timeout for automatic reboot on panic kernel.panic = 5 EOF chmod 644 /etc/sysctl.d/panic.conf # Conditionally add virtual guest optimizations # TODO: verify wether we can skip this and delegate to tuned if dmidecode -s system-manufacturer | egrep -q "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then # Configure block devices for a virtual guest # Configure timeout for Qemu devices # Note: VirtIO devices do not need this (neither do they expose any timeout parameter) cat <<- EOF > /etc/udev/rules.d/99-qemu-block-timeout.rules # # Qemu block devices timeout settings # ACTION=="add|change", SUBSYSTEMS=="block", ATTRS{model}=="QEMU_HARDDISK", RUN+="/bin/sh -c 'echo 180 >/sys\$DEVPATH/timeout'" EOF chmod 644 /etc/udev/rules.d/99-qemu-block-timeout.rules # Configure readahead and requests for VirtIO devices cat <<- EOF > /etc/udev/rules.d/99-virtio-block.rules # # VirtIO block devices settings # ACTION=="add|change", KERNEL=="vd*[!0-9]", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ATTR{queue/nr_requests}="8" ACTION=="add|change", KERNEL=="vd*[!0-9]", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ATTR{bdi/read_ahead_kb}="4096" EOF chmod 644 /etc/udev/rules.d/99-virtio-block.rules # Configure scheduler and memory for a virtual guest cat <<- EOF > /etc/sysctl.d/virtualguest.conf # Tune for a KVM virtualization guest kernel.sched_min_granularity_ns = 10000000 kernel.sched_wakeup_granularity_ns = 15000000 vm.dirty_background_ratio = 10 vm.dirty_ratio = 40 vm.dirty_expire_centisecs = 500 vm.dirty_writeback_centisecs = 100 vm.swappiness = 30 kernel.sched_migration_cost_ns = 5000000 EOF chmod 644 /etc/sysctl.d/virtualguest.conf fi # Configure log rotation (keep 6 years of logs, compressed) sed -i -e 's/^rotate.*$/rotate 312/' -e 's/^#\s*compress.*$/compress/' /etc/logrotate.conf # Enable HAVEGEd systemctl enable haveged # Note: users configuration script generated in pre section above and copied in third post section below # Conditionally force static the nic name<->MAC mapping to work around hardware bugs (eg nic "autoshifting" on some HP MicroServer G7) if [ "${nicmacfix}" = "true" ] ; then for nic_cfg in /etc/sysconfig/network-scripts/ifcfg-* ; do eval $(grep '^DEVICE=' "${nic_cfg}") nic_name="${DEVICE}" if echo "${nic_name}" | egrep -q '^(bond|lo|br|sit)' ; then continue fi nic_mac=$(cat "/sys/class/net/${nic_name}/address" 2>/dev/null) # Detect bonding slaves (real MAC address must be specially extracted) if [ -L "/sys/class/net/${nic_name}/master" ]; then # Note: the following regex does not catch all stat-printf output characters #nic_master=$(stat --printf="%N" "/sys/class/net/${nic_name}/master" | sed -e "s%^.*-> \`.*/net/\\([^']*\\)'.*\$%\\1%") nic_master=$(stat --printf="%N" "/sys/class/net/${nic_name}/master" | sed -e "s%^.*->.*/net/\\([[:alnum:]]*\\).*\$%\\1%") # Note: all bonding slaves take the apparent MAC address from the bonding master device (which usually takes it from the first slave) - extract the real one nic_mac=$(cat /proc/net/bonding/${nic_master} | awk 'BEGIN {IGNORECASE=1; found="false"}; /^Slave Interface:[[:space:]]*'${nic_name}'[[:space:]]*/ {found="true"}; /^Permanent HW addr:[[:space:]]*/ {if (found == "true") {print $4; exit}}') fi if [ -n "${nic_mac}" ]; then if ! grep -q '^HWADDR=' "${nic_cfg}" ; then echo "HWADDR=\"${nic_mac}\"" >> "${nic_cfg}" fi fi done fi # System clock configuration # Note: systemd sets clock to UTC by default #echo 'UTC' >> /etc/adjtime # Configure NTP time synchronization (immediate hardware sync) # Note: further configuration fragment created in pre section above and copied in post section below sed -i -e 's/^SYNC_HWCLOCK=.*$/SYNC_HWCLOCK="yes"/' /etc/sysconfig/ntpdate # Allow NTPdate hardware clock sync through SELinux # Note: obtained by means of: cat /var/log/audit/audit.log | audit2allow -M myntpdate # TODO: remove when SELinux policy fixed upstream mkdir -p /etc/selinux/local cat << EOF > /etc/selinux/local/myntpdate.te module myntpdate 8.0; require { type ntpd_t; type hwclock_exec_t; type adjtime_t; class file { open read write execute execute_no_trans getattr }; class netlink_audit_socket create; } #============= ntpd_t ============== allow ntpd_t hwclock_exec_t:file { open read execute execute_no_trans getattr }; allow ntpd_t self:netlink_audit_socket create; allow ntpd_t adjtime_t:file { open read getattr write }; EOF chmod 644 /etc/selinux/local/myntpdate.te pushd /etc/selinux/local checkmodule -M -m -o myntpdate.mod myntpdate.te semodule_package -o myntpdate.pp -m myntpdate.mod semodule -i myntpdate.pp popd # Configure Chrony # Note: configuration fragment created in pre section above and appended in post section below # Enable Chrony systemctl enable chronyd # Note: Configured TCP wrappers allow file in pre above and copied in second post below echo "ALL: ALL" >> /etc/hosts.deny # Configure SSH (show legal banner, limit authentication tries, no DNS tracing of incoming connections) sed -i -e 's/^#\s*MaxAuthTries.*$/MaxAuthTries 3/' -e 's/^#\s*UseDNS.*$/UseDNS no/' -e 's%^#\s*Banner.*$%Banner /etc/issue.net%' /etc/ssh/sshd_config # Force security-conscious length of host keys by pre-creating them here # Note: ED25519 keys have a fixed length so they are not created here # Note: using haveged to ensure enough entropy (but rngd could be already running from installation environment) # Note: starting service manually since systemd inside a chroot would need special treatment haveged -w 1024 -F & haveged_pid=$! ssh-keygen -b 4096 -t rsa -N "" -f /etc/ssh/ssh_host_rsa_key ssh-keygen -b 1024 -t dsa -N "" -f /etc/ssh/ssh_host_dsa_key ssh-keygen -b 521 -t ecdsa -N "" -f /etc/ssh/ssh_host_ecdsa_key chgrp ssh_keys /etc/ssh/ssh_host_{rsa,dsa,ecdsa}_key chmod 640 /etc/ssh/ssh_host_{rsa,dsa,ecdsa}_key # Stopping haveged started above kill ${haveged_pid} # Configure use of at/cron facilities (allow only listed users) rm -f /etc/{at,cron}.deny cat << EOF > /etc/at.allow root EOF chmod 600 /etc/at.allow cat << EOF > /etc/cron.allow root EOF chmod 600 /etc/cron.allow # Configure legal warning messages cat << EOF > /etc/issue WARNING: THIS CONSOLE IS RESERVED FOR SYSTEM ADMINISTRATION ONLY. EVERY ACCESS IS THOROUGHLY LOGGED. THERE IS NO PRIVACY PROTECTION ON LOGGED DATA. VIOLATIONS WILL BE PROSECUTED. ACCESS IMPLIES ACCEPTANCE OF THE ABOVE CONDITIONS. EOF cat << EOF > /etc/issue.net Access is reserved to explicitly authorized personnel only. Violations will be prosecuted. Every access is thoroughly logged. This access service provides no privacy protection on logged data. Access through this service implies acceptance of the above conditions. EOF cat << EOF > /etc/motd WARNING This computer is the private property of his owners. Permission of use must be individually and explicitly obtained in written form. If you have not been authorized, you must immediately terminate your connection. Violations will be prosecuted. Use of this computer is thoroughly logged. There is no privacy protection on logged data. Continued use of this computer implies acceptance of the above conditions. EOF chmod 644 /etc/{issue*,motd} # Enable persistent Journal logs mkdir -p /var/log/journal # Note: email aliases configured through script created in pre section above and copied in third post section below # TODO: Send all log messages to our internal syslog server # TODO: enable TCP service on internal syslog/firewall servers then uncomment here # TODO: switch to encrypted/guaranteed delivery (RELP with SSL/Kerberos) when available #cat << EOF > /etc/rsyslog.d/centralized.conf ## ### begin forwarding rule ### ## The statement between the begin ... end define a SINGLE forwarding ## rule. They belong together, do NOT split them. If you create multiple ## forwarding rules, duplicate the whole block! ## Remote Logging (we use TCP for reliable delivery) ## ## An on-disk queue is created for this action. If the remote host is ## down, messages are spooled to disk and sent when it is up again. #\$WorkDirectory /var/lib/rsyslog # where to place spool files #\$ActionQueueFileName VRLRule1 # unique name prefix for spool files #\$ActionQueueMaxDiskSpace 1g # 1gb space limit (use as much as possible) #\$ActionQueueSaveOnShutdown on # save messages to disk on shutdown #\$ActionQueueType LinkedList # run asynchronously #\$ActionResumeRetryCount -1 # infinite retries if host is down ## remote host is: name/ip:port, e.g. 192.168.0.1:514, port optional #*.* @@syslog.${domain_name['mgmt']}:514 ## ### end of the forwarding rule ### #EOF #chmod 644 /etc/rsyslog.d/centralized.conf # Configure Logcheck sed -i -e "/^SENDMAILTO=/s/logcheck/${notification_receiver}/" /etc/logcheck/logcheck.conf for rule in kernel systemd automount x2goserver; do ln -s ../ignore.d.server/${rule} /etc/logcheck/violations.ignore.d/ done # TODO: reconfigure syslog files for Logcheck as per https://bugzilla.redhat.com/show_bug.cgi?id=1062147 - remove when fixed upstream sed -i -e 's/^\(\s*\)\(missingok.*\)$/\1\2\n\1create 0640 root adm/' /etc/logrotate.d/syslog touch /var/log/{messages,secure,cron,maillog,spooler} chown root:adm /var/log/{messages,secure,cron,maillog,spooler} chmod 640 /var/log/{messages,secure,cron,maillog,spooler} # Configure ABRTd # Keep crash info even for non-rpm-packaged programs but exclude users writable paths sed -i -e 's/^ProcessUnpackaged.*$/ProcessUnpackaged = yes/' -e 's%\(BlackListedPaths.*\)$%\1, /home*, /tmp/*, /var/tmp/*%' /etc/abrt/abrt-action-save-package-data.conf # Allow reports for signed packages from 3rd-party repos by adding their keys under /etc/pki/rpm-gpg/ for repokeyurl in $(grep -h '^gpgkey' /etc/yum.repos.d/*.repo | grep -v 'file:///' | sed -e 's/^gpgkey\s*=\s*//' -e 's/\s*$//' -e 's/\$releasever/'$(rpm -q --queryformat '%{version}\n' centos-release)'/g' | sort | uniq); do key_file="$(echo ${repokeyurl} | sed -e 's%^.*/\([^/]*\)$%\1%')" if [ ! -f "/etc/pki/rpm-gpg/${key_file}" ]; then wget -P /etc/pki/rpm-gpg/ "${repokeyurl}" fi done # Disable automatic reporting by email sed -i -e 's/^/#/' /etc/libreport/events.d/mailx_event.conf # Disable SMARTd on a virtual machine if dmidecode -s system-manufacturer | egrep -q "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then systemctl disable smartd fi # Configure Net-SNMP cp -a /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.orig cat << EOF > /etc/snmp/snmpd.conf # Simple setup of Net-SNMP for traffic monitoring rocommunity public dontLogTCPWrappersConnects yes EOF # Enable Net-SNMP systemctl enable snmpd # Configure MRTG # Configuration file customization through cfgmaker/indexmaker demanded to post-install rc.ks1stboot script # Configure MRTG-Apache integration (allow access from everywhere) sed -i -e 's/^\(\s*\)\(Require local.*\)$/\1Require all granted/' /etc/httpd/conf.d/mrtg.conf # Configure Apache # Note: using haveged to ensure enough entropy (but rngd could be already running from installation environment) # Note: starting service manually since systemd inside a chroot would need special treatment haveged -w 1024 -F & haveged_pid=$! # Prepare default (self-signed) certificate openssl genrsa 2048 > /etc/pki/tls/private/localhost.key cat << EOF | openssl req -new -sha256 -key /etc/pki/tls/private/localhost.key -x509 -days 3650 -out /etc/pki/tls/certs/localhost.crt IT Lombardia Bergamo FleurFlower Heretic oVirt Project Demo Infrastructure ${HOSTNAME} root@${HOSTNAME} EOF chmod 600 /etc/pki/tls/{private,certs}/localhost.* # Create custom DH parameters openssl dhparam -out /etc/pki/tls/dhparams.pem 2048 chmod 644 /etc/pki/tls/dhparams.pem # Stopping haveged started above kill ${haveged_pid} # Configure Apache web service (disable certificate expiration warnings, do not advertise OS/Apache, disable default CGI directory and manual pages, create custom home page, disable TRACE/TRACK support, disable older/weakier protocols/crypto for SSL) cat << EOF >> /etc/sysconfig/httpd # # To avoid periodic checking (with warning email) of certificates validity, # set NOCERTWATCH here. # NOCERTWATCH="yes" EOF # Append custom DH parameters to our certificate file (needs httpd >= 2.2.15-32) # Note: newer Apache versions allow specifying custom DH parameters with: SSLOpenSSLConfCmd DHParameters "/etc/pki/tls/dhparams.pem" cat /etc/pki/tls/dhparams.pem >> /etc/pki/tls/certs/localhost.crt sed -i -e 's/^ServerTokens.*$/ServerTokens ProductOnly/' -e 's/^ServerSignature.*$/ServerSignature Off\n\n#\n# Disable TRACE for PCI compliance\nTraceEnable off/' -e 's/^\(ScriptAlias.*\)$/#\1/' /etc/httpd/conf/httpd.conf sed -i -e 's/^\(SSLProtocol.*\)$/#\1/' -e 's/^\(SSLCipherSuite.*\)$/#\1\n# Stricter settings for PCI compliance\nSSLProtocol all -SSLv2 -SSLv3\nSSLCipherSuite ALL:!EXP:!NULL:!ADH:!LOW:!RC4/' /etc/httpd/conf.d/ssl.conf # Prepare home page cat << EOF > /var/www/html/index.html Desktop Machine

Desktop Machine

Avvertenza per gli utenti del servizio:

Questa macchina fornisce servizi di desktop grafico.

Se siete parte del personale tecnico:

Le funzionalità predisposte per amministrazione/controllo sono elencate di seguito.

  • Lo strumento web di amministrazione della macchina è disponibile qui.
  • Lo strumento web di visualizzazione dell'utilizzo rete è disponibile qui.
  • Lo strumento web di visualizzazione dell'utilizzo http è disponibile qui.

End users notice:

This machine provides desktop services.

If you are a technical staff member:

The maintenance/administrative resources are listed below.

  • The server administration web tool is available here.
  • The server network utilization web tool is available here.
  • The web server usage statistics are available here.

EOF chmod 644 /var/www/html/index.html # Enable Apache firewall-offline-cmd --add-service=http systemctl enable httpd # Configure Webmin # Add "/manage/" location with forced redirect to Webmin port in Apache configuration cat << EOF > /etc/httpd/conf.d/webmin.conf # # Apache-based redirection for Webmin # RewriteEngine On RewriteRule ^.*\$ https://%{HTTP_HOST}:10000 [R,L] # Apache 2.4 Require all granted # Apache 2.2 Order Deny,Allow Deny from all Allow from all EOF chmod 644 /etc/httpd/conf.d/webmin.conf # Configure Webmin to use a custom certificate cat /etc/pki/tls/private/localhost.key > /etc/webmin/miniserv.pem cat /etc/pki/tls/certs/localhost.crt >> /etc/webmin/miniserv.pem # Modify default setup cat << EOF >> /etc/webmin/config logfiles=1 logfullfiles=1 logtime=21900 logperms= logsyslog=0 logusers= logmodules= logclear=1 hostnamemode=0 help_width= dateformat=dd/mon/yyyy showhost=0 nofeedbackcc=0 hostnamedisplay= feedback_to= sysinfo=0 texttitles=1 showlogin=0 help_height= acceptlang=0 gotoone=1 gotomodule= deftab=webmin nohostname=0 notabs=0 realname= noremember=1 EOF sed -i -e 's/^logtime=.*$/logtime=21900/' /etc/webmin/miniserv.conf cat << EOF >> /etc/webmin/miniserv.conf no_resolv_myname=1 sockets= login_script=/etc/webmin/login.pl logout_script=/etc/webmin/logout.pl logclf=0 logclear=1 loghost=0 pam_conv= blockuser_time= blocklock= blockuser_failures= no_pam=0 logouttime=10 utmp= extracas= certfile= ssl_redirect=1 EOF # Add firewalld configuration for Webmin cat << EOF > /etc/firewalld/services/webmin.xml webmin webmin is a web-based interface for system administration for unix. EOF chmod 644 /etc/firewalld/services/webmin.xml # Enable Webmin firewall-offline-cmd --add-service=webmin systemctl enable webmin # Configure Webalizer (allow access from everywhere) # Note: webalizer initialization demanded to post-install rc.ks1stboot script sed -i -e 's/^\(\s*\)\(Require local.*\)$/\1Require all granted/' /etc/httpd/conf.d/webalizer.conf # Enable Webalizer sed -i -e '/WEBALIZER_CRON=/s/^#*\(WEBALIZER_CRON=\).*$/\1yes/' /etc/sysconfig/webalizer # TODO: Debug - enable verbose logging in firewalld - maybe disable for production use? firewall-offline-cmd --set-log-denied=all # Enable Postfix systemctl enable postfix # Define GNOME3 global settings (mandatory/defaults) # Note: schema inspected on a live GNOME session using "gsettings list-recursively" # Note: pre-seeding values with gsettings as root works for root user only and needs dbus running - using dconf instead # Note: clock panel applet under GNOME3 takes all settings from system defaults (location, time format, display etc.) # Disable user list and reboot/poweroff from GNOME login greeter cat << EOF > /etc/dconf/db/gdm.d/01-hvp-settings # Custom settings for GNOME login screen [org/gnome/login-screen] disable-restart-buttons=true disable-user-list=true EOF chmod 644 /etc/dconf/db/gdm.d/01-hvp-settings # Apply all GNOME3 GDM settings specified above rm -f /etc/dconf/db/gdm dconf update # Disable autorun for external media # TODO: verify under GNOME 3.14 / CentOS 7.2 cat << EOF > /etc/dconf/db/local.d/01-autorun-settings # Custom settings for GNOME autorun [org/gnome/desktop/media-handling] autorun-never=true EOF chmod 644 /etc/dconf/db/local.d/01-autorun-settings # Disable switch user # TODO: verify under GNOME 3.14 / CentOS 7.2 cat << EOF > /etc/dconf/db/local.d/01-switchuser-settings # Custom settings for GNOME user session switching [org/gnome/desktop/lockdown] disable-user-switching=true EOF chmod 644 /etc/dconf/db/local.d/01-switchuser-settings # Note: GNOME3 (or newer CUPS) does not show other user print jobs by default # TODO: verify # Disable online account providers cat << EOF > /etc/dconf/db/local.d/01-goa-settings # Custom settings for GNOME online account providers [org/gnome/online-accounts] whitelisted-providers=[''] EOF chmod 644 /etc/dconf/db/local.d/01-goa-settings # Conditionally apply custom defaults to screensaver under GNOME3 (do not start on idle, do not lock) if dmidecode -s system-manufacturer | egrep -q "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then cat <<- EOF > /etc/dconf/db/local.d/01-screensaver-settings # Custom settings for GNOME screensaver [org/gnome/desktop/lockdown] disable-lock-screen=true [org/gnome/settings-daemon/plugins/media-keys] screensaver='' [org/gnome/desktop/screensaver] idle-activation-enabled=false lock-enabled=false lock-delay=uint32 0 [org/gnome/desktop/session] idle-delay=uint32 0 [org/gnome/session] idle-delay=uint32 0 [org/gnome/settings-daemon/plugins/power] sleep-display-ac=0 sleep-display-battery=0 sleep-inactive-ac-timeout=0 sleep-inactive-battery-timeout=0 sleep-inactive-battery-type='nothing' sleep-inactive-ac-type='nothing' EOF chmod 644 /etc/dconf/db/local.d/01-screensaver-settings # Lock our custom defaults applied above cat <<- EOF > /etc/dconf/db/local.d/locks/01-screensaver-settings-locks /org/gnome/desktop/lockdown/disable-lock-screen /org/gnome/settings-daemon/plugins/media-keys/screensaver /org/gnome/desktop/screensaver/idle-activation-enabled /org/gnome/desktop/screensaver/lock-enabled /org/gnome/desktop/screensaver/lock-delay /org/gnome/desktop/session/idle-delay /org/gnome/session/idle-delay /org/gnome/settings-daemon/plugins/power/sleep-display-ac /org/gnome/settings-daemon/plugins/power/sleep-display-battery /org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-timeout /org/gnome/settings-daemon/plugins/power/sleep-inactive-battery-timeout /org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-type /org/gnome/settings-daemon/plugins/power/sleep-inactive-battery-type EOF chmod 644 /etc/dconf/db/local.d/locks/01-screensaver-settings-locks # Disable power management (blanking) on the X server side too cat <<- EOF > /etc/X11/xorg.conf.d/01-dpms.conf Section "ServerFlags" Option "BlankTime" "0" Option "StandbyTime" "0" Option "SuspendTime" "0" Option "OffTime" "0" EndSection EOF chmod 644 /etc/X11/xorg.conf.d/01-dpms.conf # Disable power/update actions via PolKit (affects GNOME menus and other ways to perform them) # TODO: verify default rules under /usr/share/polkit-1/actions/ cat <<- EOF > /etc/polkit-1/rules.d/60-nousershutdown.rules polkit.addRule(function(action, subject) { if ((action.id.indexOf("org.freedesktop.login1.hibernate") == 0) || (action.id.indexOf("org.freedesktop.login1.power-off") == 0) || (action.id.indexOf("org.freedesktop.login1.reboot") == 0) || (action.id.indexOf("org.freedesktop.login1.suspend") == 0) || (action.id.indexOf("org.freedesktop.packagekit.system-update") == 0) || (action.id.indexOf("org.freedesktop.packagekit.trigger-offline-update") == 0) || (action.id.indexOf("org.freedesktop.packagekit.upgrade-system") == 0)) { if (subject.user === "root") { return polkit.Result.YES; } else { return polkit.Result.NO; } } }); EOF chmod 644 /etc/polkit-1/rules.d/60-nousershutdown.rules fi # Note: filemanager under GNOME3 does not use spatial mode by default # Apply all GNOME3 settings specified above rm -f /etc/dconf/db/local dconf update # Disable graphical initial system setup sed -i -e 's/^\(\[daemon\].*\)$/\1\nInitialSetupEnable=False/' /etc/gdm/custom.conf # Disable GNOME initial setup # TODO: there is no way to globally disable this: faking an already performed initial setup - remove when fixed upstream mkdir -m 700 /etc/skel/.config echo "yes" > /etc/skel/.config/gnome-initial-setup-done chmod 644 /etc/skel/.config/gnome-initial-setup-done # TODO: there is a known inconsistency (personal bin directories not in path) in the PATH setting for a terminal opened through Nautilus "Open in Terminal" menu entry # TODO: adding workaround here (http://seven.centos.org/2014/04/path-inconsistency-in-el7/) - remove when fixed upstream cat << EOF > /etc/profile.d/consistent-user-path.sh #!/bin/sh # Fix broken nautilus-open-terminal if ! echo "\${PATH}" | grep -q "\${HOME}/bin" ; then PATH=\${PATH}:\${HOME}/.local/bin:\${HOME}/bin export PATH fi EOF chmod 644 /etc/profile.d/consistent-user-path.sh # Note: users configuration script created in pre section above and copied in third post section below # Exclude /var/tmp from systemd-tmpfiles (equivalent of tmpwatch in CentOS <= 6) mkdir -p /etc/tmpfiles.d cp /usr/lib/tmpfiles.d/tmp.conf /etc/tmpfiles.d sed -i -e 's>^\(.\s*/var/tmp.*\)$>#\1>' /etc/tmpfiles.d/tmp.conf # Configure X2Go # Note: X2Go setup included in desktop environment configuration script generated in pre section above and copied in third post section below # Conditionally enable MCE logging/management service if dmidecode -s system-manufacturer | egrep -q -v "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then systemctl enable mcelog fi # TODO: Configure Bareos # Create HVP standard directory for machine-specific application dumps mkdir -p /var/local/backup chown root:root /var/local/backup chmod 750 /var/local/backup # Create HVP standard script for machine-specific application dumps cat << EOF > /usr/local/sbin/dump2backup #!/bin/bash # Nothing to do for a X2Go remote desktop server exit 0 EOF chown root:root /usr/local/sbin/dump2backup chmod 750 /usr/local/sbin/dump2backup # TODO: Enable Bareos systemctl disable bareos-fd # TODO: Configure desktop # TODO: try to set the preferred desktop environment as global default case "${detype}" in gnome) ;; kde) ;; xfce) ;; lxde) ;; esac # Configure root home dir (with utility scripts for basic configuration/log backup) mkdir -p /root/{etc,bin,log,tmp,backup} cat << EOF > /root/bin/backup-log #!/bin/bash tar -czf /root/backup/\$(hostname)-\$(date '+%Y-%m-%d')-log.tar.gz /root/etc /root/log \$(find /var/log/ -type f ! -iname '*z' -print) EOF chmod 755 /root/bin/backup-log cat << EOF > /root/bin/backup-conf #!/bin/bash tar -czf /root/backup/\$(hostname)-\$(date '+%Y-%m-%d')-conf.tar.gz \$(cat /root/etc/backup.list) EOF chmod 755 /root/bin/backup-conf cat << EOF > /root/etc/backup.list /boot/grub2 /etc /var/www/html /usr/local/bin /usr/local/sbin /usr/local/etc /root/bin /root/etc /root/log /root/.[^ekmn]?* EOF # Initialize administration log journal cat << EOF > /root/log/sysadm.log $(date '+%Y/%m/%d') *) installed $(lsb_release -i -r -s) $(uname -m) from kickstart EOF # Allow first boot configuration through SELinux # Note: obtained by means of: cat /var/log/audit/audit.log | audit2allow -M myks1stboot # TODO: remove when SELinux policy fixed upstream mkdir -p /etc/selinux/local cat << EOF > /etc/selinux/local/myks1stboot.te module myks1stboot 3.0; require { type sendmail_t; type postfix_master_t; type admin_home_t; type setfiles_t; type ifconfig_t; type initrc_t; type systemd_hostnamed_t; class dbus send_msg; class file { getattr write }; } #============= ifconfig_t ============== allow ifconfig_t admin_home_t:file write; #============= sendmail_t ============== allow sendmail_t admin_home_t:file write; #============= postfix_master_t ============== allow postfix_master_t admin_home_t:file { getattr write }; #============= setfiles_t ============== allow setfiles_t admin_home_t:file write; #============= systemd_hostnamed_t ============== allow systemd_hostnamed_t initrc_t:dbus send_msg; EOF chmod 644 /etc/selinux/local/myks1stboot.te pushd /etc/selinux/local checkmodule -M -m -o myks1stboot.mod myks1stboot.te semodule_package -o myks1stboot.pp -m myks1stboot.mod semodule -i myks1stboot.pp # Set up "first-boot" configuration script (steps that require a fully up system) cat << EOF > /etc/rc.d/rc.ks1stboot #!/bin/bash # Conditionally enable either IPMI or LMsensors monitoring # TODO: configure IPMI options # TODO: find a way to ignore partial IPMI implementations (e.g. those needing a [missing] add-on card) if dmidecode -s system-manufacturer | egrep -q -v "(Microsoft|VMware|innotek|Parallels|Red.*Hat|oVirt|Xen)" ; then if dmidecode --type 38 | grep -q 'IPMI' ; then systemctl --now enable ipmi systemctl --now enable ipmievd else sensors-detect --auto systemctl --now enable lm_sensors fi fi # Setup virtualization tools (Hyper-V/KVM/VMware/VirtualBox/Parallels supported) # TODO: Verify that VirtIO drivers get used for Xen/KVM, warn otherwise # TODO: disable kernel updating or configure dkms (if not already done above or by tools installation) pushd /tmp need_reboot="no" if dmidecode -s system-manufacturer | grep -q "Microsoft" ; then # TODO: configure Hyper-V integration agents systemctl --now enable hypervkvpd hypervvssd hypervfcopyd elif dmidecode -s system-manufacturer | grep -q 'Xen' ; then # Enable ARP notifications for vm migrations cat <<- EOM > /etc/sysctl.d/99-xen-guest.conf net.ipv4.conf.all.arp_notify=1 EOM chmod 644 /etc/sysctl.d/99-xen-guest.conf sysctl -p wget https://dangerous.ovirt.life/support/Xen/xe-guest-utilities*.rpm yum -y --nogpgcheck install ./xe-guest-utilities*.rpm rm -f xe-guest-utilities*.rpm elif dmidecode -s system-manufacturer | grep -q "VMware" ; then # Note: VMware basic support uses distro-provided packages installed during post phase # TODO: adding _netdev to break possible systemd ordering cycle - investigate further and remove it mkdir -p /mnt/hgfs cat <<- EOM >> /etc/fstab .host:/ /mnt/hgfs fuse.vmhgfs-fuse allow_other,auto_unmount,_netdev,x-systemd.requires=vmtoolsd.service,defaults 0 0 EOM mount /mnt/hgfs need_reboot="no" elif dmidecode -s system-manufacturer | grep -q "innotek" ; then wget https://dangerous.ovirt.life/support/VirtualBox/VBoxLinuxAdditions.run chmod a+rx VBoxLinuxAdditions.run ./VBoxLinuxAdditions.run --nox11 usermod -a -G vboxsf mwtouser rm -f VBoxLinuxAdditions.run need_reboot="yes" elif dmidecode -s system-manufacturer | grep -q "Parallels" ; then wget https://dangerous.ovirt.life/support/Parallels/ParallelsTools.tar.gz | tar xzf - pushd parallels-tools-distrib ./install --install-unattended-with-deps popd rm -rf parallels-tools-distrib need_reboot="yes" elif dmidecode -s system-manufacturer | grep -q "Red.*Hat" ; then # TODO: configure Qemu agent systemctl --now enable qemu-guest-agent elif dmidecode -s system-manufacturer | grep -q "oVirt" ; then # TODO: configure oVirt agent systemctl --now enable qemu-guest-agent ovirt-guest-agent fi popd # Note: CentOS 7 persistent net device naming means that MAC addresses are not statically registered by default anymore # Initialize webalizer # Note: Apache logs must be not empty max_steps="30" for ((i=0;i<\${max_steps};i=i+1)); do if systemctl -q is-active httpd ; then wget -O /dev/null http://localhost/ /etc/cron.daily/00webalizer break fi sleep 5 done # Initialize MRTG configuration (needs Net-SNMP up) # TODO: add CPU/RAM/disk/etc. resource monitoring cfgmaker --output /etc/mrtg/mrtg.cfg --global "HtmlDir: /var/www/mrtg" --global "ImageDir: /var/www/mrtg" --global "LogDir: /var/lib/mrtg" --global "ThreshDir: /var/lib/mrtg" --no-down --zero-speed=1000000000 --if-filter='(\$default && \$if_is_ethernet)' public@localhost # Set execution mode parameters # Note: on CentOS7 MRTG is preferably configured as an always running service (for efficiency reasons) sed -i -e '/Global Config Options/s/^\\(.*\\)\$/\\1\\nRunAsDaemon: Yes\\nInterval: 5\\nNoDetach: Yes/' /etc/mrtg/mrtg.cfg # Setup MRTG index page indexmaker --output=/var/www/mrtg/index.html /etc/mrtg/mrtg.cfg # Enable MRTG # Note: MRTG is an always running service (for efficiency reasons) now systemctl --now enable mrtg EOF # Saving installation instructions # Note: done in rc.ks1stboot since this seems to get created after all post scripts are run # TODO: something tries to load /root/anaconda-ks.cfg - find out what/why - seems related to https://bugzilla.redhat.com/show_bug.cgi?id=1213114 # TODO: it seems that a side effect of not moving it is the unconditional execution of the graphical firstboot phase - restoring file moving as a workaround # TODO: it seems that the graphical firstboot phase happens anyway and at the end creates a /root/initial-ks.cfg cat << EOF >> /etc/rc.d/rc.ks1stboot mv /root/*-ks.cfg /root/etc EOF cat << EOF >> /etc/rc.d/rc.ks1stboot # Run dynamically determined users configuration actions if [ -x /etc/rc.d/rc.users-setup ]; then /etc/rc.d/rc.users-setup fi # Check/modify hostname for uniqueness main_interface=\$(ip route show | awk '/^default/ {print \$5}') main_ip=\$(ip address show dev \${main_interface} primary | awk '/inet[[:space:]]/ {print \$2}' | cut -d/ -f1) current_name=\$(hostname -s) target_domain=\$(hostname -d) multi_instance_max="${multi_instance_max}" check_ip="\$(dig \${current_name}.\${target_domain} A +short)" # Check whether name resolves and does not match with IP address if [ -n "\${check_ip}" -a "\${check_ip}" != "\${main_ip}" ]; then # Name does not match: modify (starting from suffix 2) and resolve it till it is either unknown or matching with configured IP tentative_name_found="false" for ((name_increment=2;name_increment<=\${multi_instance_max}+1;name_increment=name_increment+1)); do tentative_name="\${current_name}\${name_increment}" check_ip="\$(dig \${tentative_name}.\${target_domain} A +short)" if [ -z "\${check_ip}" -o "\${check_ip}" = "\${main_ip}" ]; then tentative_name_found="true" break fi done if [ "\${tentative_name_found}" = "true" ]; then # Enact new hostname hostnamectl set-hostname \${tentative_name}.\${target_domain} # Modify already saved entries # Note: names on secondary zones are kept aligned sed -i -e "s/\\b\${current_name}\\b/\${tentative_name}/g" /etc/hosts fi fi # Run AD domain joining script if [ -x /etc/rc.d/rc.domain-join ]; then /etc/rc.d/rc.domain-join fi # Run dynamically determined desktop environment configuration actions if [ -x /etc/rc.d/rc.desktop-setup ]; then /etc/rc.d/rc.desktop-setup fi # Disable further executions of this script from systemd systemctl disable ks1stboot.service # Perform reboot after virtualization tools installation if [ "\${need_reboot}" = "yes" ]; then shutdown -r +1 # Note: the command above exits immediately - wait for the most part of the remaining minute sleep 57 fi exit 0 EOF chmod 750 /etc/rc.d/rc.ks1stboot # Prepare first-boot execution through systemd # TODO: find a way to actually block logins till this unit exits cat << EOF > /etc/systemd/system/ks1stboot.service [Unit] Description=Post Kickstart first boot configurations After=network.target network.service Requires=network.target network.service Before=getty.target sshd.service display-manager.service [Service] Type=oneshot RemainAfterExit=true ExecStart=/usr/bin/bash -c '/etc/rc.d/rc.ks1stboot > /root/log/rc.ks1stboot.log 2>&1' [Install] RequiredBy=getty.target sshd.service display-manager.service EOF chmod 644 /etc/systemd/system/ks1stboot.service systemctl enable ks1stboot.service # TODO: forcibly disable execution of graphical firstboot tool - kickstart directive on top seems to be ignored and moving away anaconda-ks.cfg is not enough - remove when fixed upstream - see https://bugzilla.redhat.com/show_bug.cgi?id=1213114 systemctl mask firstboot-graphical systemctl mask initial-setup-graphical systemctl mask initial-setup-text systemctl mask initial-setup # TODO: sometimes it seems that an haveged process lingers on, blocking the end of the post phase # TODO: killing any surviving haveged process as a workaround pkill -KILL -f havege ) 2>&1 | tee /root/kickstart_post_1.log %end # Post-installation script (run with bash from installation image after the second post section) %post --nochroot ( # Run the entire post section as a subshell for logging purposes. # Append hosts fragment (generated in pre section above) into installed system if [ -s /tmp/hvp-bind-zones/hosts ]; then cat /tmp/hvp-bind-zones/hosts >> ${ANA_INSTALL_PATH}/etc/hosts fi # Copy NTPdate configuration file (generated in pre section above) into installed system if [ -s /tmp/hvp-ntpd-conf/step-tickers ]; then cat /tmp/hvp-ntpd-conf/step-tickers > ${ANA_INSTALL_PATH}/etc/ntp/step-tickers chmod 644 ${ANA_INSTALL_PATH}/etc/ntp/step-tickers chown root:root ${ANA_INSTALL_PATH}/etc/ntp/step-tickers fi # Append Chrony configuration fragment (generated in pre section above) into installed system # Note: if we specify additional Chrony configuration, then all default servers get disabled if [ -s /tmp/hvp-ntpd-conf/chrony.conf ]; then sed -i -e '/^server\s/s/^/#/g' ${ANA_INSTALL_PATH}/etc/chrony.conf cat /tmp/hvp-ntpd-conf/chrony.conf >> ${ANA_INSTALL_PATH}/etc/chrony.conf fi # Copy users setup script (generated in pre section above) into installed system if [ -f /tmp/hvp-users-conf/rc.users-setup ]; then cp /tmp/hvp-users-conf/rc.users-setup ${ANA_INSTALL_PATH}/etc/rc.d/rc.users-setup # Note: cleartext passwords contained - must restrict access chmod 700 ${ANA_INSTALL_PATH}/etc/rc.d/rc.users-setup chown root:root ${ANA_INSTALL_PATH}/etc/rc.d/rc.users-setup fi # Copy AD domain joining script (generated in pre section above) into installed system if [ -s /tmp/hvp-domain-join/rc.domain-join ]; then cp /tmp/hvp-domain-join/rc.domain-join ${ANA_INSTALL_PATH}/etc/rc.d/rc.domain-join # Note: cleartext passwords contained - must restrict access chmod 700 ${ANA_INSTALL_PATH}/etc/rc.d/rc.domain-join chown root:root ${ANA_INSTALL_PATH}/etc/rc.d/rc.domain-join fi # Copy desktop environment setup script (generated in pre section above) into installed system if [ -f /tmp/hvp-desktop-conf/rc.desktop-setup ]; then cp /tmp/hvp-desktop-conf/rc.desktop-setup ${ANA_INSTALL_PATH}/etc/rc.d/rc.desktop-setup # Note: cleartext passwords contained - must restrict access chmod 700 ${ANA_INSTALL_PATH}/etc/rc.d/rc.desktop-setup chown root:root ${ANA_INSTALL_PATH}/etc/rc.d/rc.desktop-setup fi # Copy TCP wrappers configuration (generated in pre section above) into installed system if [ -f /tmp/hvp-tcp_wrappers-conf/hosts.allow ]; then cat /tmp/hvp-tcp_wrappers-conf/hosts.allow >> ${ANA_INSTALL_PATH}/etc/hosts.allow fi # TODO: perform NetworkManager workaround configuration on interfaces as detected in pre section above - remove when fixed upstream for file in /tmp/hvp-networkmanager-conf/ifcfg-* ; do if [ -f "${file}" ]; then cfg_file_name=$(basename "${file}") sed -i -e '/^DEFROUTE=/d' -e '/^MTU=/d' "${ANA_INSTALL_PATH}/etc/sysconfig/network-scripts/${cfg_file_name}" cat "${file}" >> "${ANA_INSTALL_PATH}/etc/sysconfig/network-scripts/${cfg_file_name}" fi done # Save exact pre-stage environment if [ -f /tmp/pre.out ]; then cp /tmp/pre.out ${ANA_INSTALL_PATH}/root/log/pre.out fi # Save exact post-stage environment if [ -f ${ANA_INSTALL_PATH}/tmp/post.out ]; then cp ${ANA_INSTALL_PATH}/tmp/post.out ${ANA_INSTALL_PATH}/root/log/post.out fi # Save installation instructions/logs # Note: installation logs are now saved under /var/log/anaconda/ by default cp /run/install/ks.cfg ${ANA_INSTALL_PATH}/root/etc for full_frag in /tmp/full-* ; do if [ -f "${full_frag}" ]; then cp "${full_frag}" ${ANA_INSTALL_PATH}/root/etc fi done cp /tmp/kickstart_*.log ${ANA_INSTALL_PATH}/root/log mv ${ANA_INSTALL_PATH}/root/kickstart_post*.log ${ANA_INSTALL_PATH}/root/log ) 2>&1 | tee ${ANA_INSTALL_PATH}/root/log/kickstart_post_2.log %end # Post-installation script (run with bash from chroot after the third post section) %post ( # Run the entire post section as a subshell for logging purposes. # Relabel filesystem # This has to be the last post action to catch any files we have created/modified # TODO: verify whether the following is actually needed (latest Anaconda seems to perform a final relabel anyway) setfiles -F -e /proc -e /sys -e /dev -e /selinux /etc/selinux/targeted/contexts/files/file_contexts / setfiles -F /etc/selinux/targeted/contexts/files/file_contexts.homedirs /home/ /root/ ) 2>&1 | tee /root/log/kickstart_post_3.log %end