mirror of
https://github.com/valitydev/linux-sysprep.git
synced 2024-11-06 02:25:18 +00:00
506 lines
11 KiB
Bash
506 lines
11 KiB
Bash
#!/bin/sh
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# sysprep.sh - Prepare linux system for use as template
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usage() {
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echo "Usage: $0 [OPTION]"
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echo "Prepare linux system for use as template."
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echo "If possible, please run this script in single user mode."
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echo
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echo "Options:"
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echo " -f Actually do something, don't just say it."
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echo " -h Print this help message."
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echo
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}
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verbose() {
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echo "$@"
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}
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show_rm() {
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removefiles=`echo "$@" | grep 'rm ' |\
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sed -e 's/rm -f //' -e 's/rm -rf //'`
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[ "$removefiles" ] &&
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find $removefiles 2>/dev/null | sed 's/^/# remove /'
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}
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run() {
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verbose "$@"
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show_rm "$@"
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}
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actually_run() {
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verbose "$@"
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show_rm "$@"
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cmd="$1"
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shift
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$cmd "$@"
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}
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parse_args() {
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while getopts 'fh' opt; do
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case "$opt" in
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f)
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run() {
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actually_run "$@"
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}
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;;
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h)
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usage
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exit 0
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;;
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*)
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usage
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exit 1
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;;
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esac
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done
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}
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main() {
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parse_args "$@"
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verbose "#!/bin/sh"
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verbose
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abrt_data
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bash_history
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blkid_tab
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ca_certificates
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crash_data
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cron_spool
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customize
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dhcp_client_state
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dhcp_server_state
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dovecot_data
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firewall_rules
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kerberos_data
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logfiles
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lvm_uuids
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machine_id
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mail_spool
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net_hostname
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net_hwaddr
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pacct_log
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package_manager_cache
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pam_data
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puppet_data_log
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rh_subscription_manager
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rhn_systemid
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rpm_db
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samba_db_log
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script
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smolt_uuid
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ssh_hostkeys
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# ssh_userdir
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sssd_db_log
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tmp_files
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udev_persistent_net
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# user_account
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utmp
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yum_uuid
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}
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abrt_data() {
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verbose "# Remove the crash data generated by ABRT"
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run "rm -rf /var/spool/abrt/*"
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verbose
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}
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bash_history() {
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verbose "# Remove the bash history"
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run "rm -f /root/.bash_history"
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run "rm -f /home/*/.bash_history"
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verbose
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}
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blkid_tab() {
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verbose "# Remove blkid tab"
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run "rm -f /var/run/blkid.tab"
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run "rm -f /var/run/blkid.tab.old"
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run "rm -f /etc/blkid/blkid.tab"
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run "rm -f /etc/blkid/blkid.tab.old"
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run "rm -f /etc/blkid.tab"
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run "rm -f /etc/blkid.tab.old"
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run "rm -f /dev/.blkid.tab"
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run "rm -f /dev/.blkid.tab.old"
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verbose
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}
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ca_certificates() {
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verbose "# Remove CA certificates"
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run "rm -f /etc/pki/CA/certs/*.crt"
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run "rm -f /etc/pki/CA/crl/*.crt"
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run "rm -f /etc/pki/CA/newcerts/*.crt"
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run "rm -f /etc/pki/CA/private/*.key"
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run "rm -f /etc/pki/tls/private/*.key"
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crts=`find /etc/pki/tls/certs/*.crt 2>/dev/null`
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for i in $crts; do
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[ $i = "/etc/pki/tls/certs/ca-bundle.crt" ] &&
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continue
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[ $i = "/etc/pki/tls/certs/ca-bundle.trust.crt" ] &&
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continue
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run "rm -f $i"
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done
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verbose
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}
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crash_data() {
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verbose "# Remove the crash data generated by kexec-tools"
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run "rm -rf /var/crash/*"
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run "rm -rf /var/log/dump/*"
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verbose
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}
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cron_spool() {
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verbose "# Remove user at-jobs and cron-jobs"
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jobs_dir="
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/var/spool/cron
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/var/spool/at
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/var/spool/atjobs
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/var/spool/atspool
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"
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delfiles=`find $jobs_dir -type f -not -name .SEQ 2>/dev/null`
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for i in $delfiles; do
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run "rm -f $i"
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done
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seqfiles=`find $jobs_dir -type f -name .SEQ 2>/dev/null`
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for i in $seqfiles; do
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run "echo 0 > $i"
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done
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verbose
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}
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# Todo
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customize() {
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verbose "# Customize"
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run
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verbose
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}
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dhcp_client_state() {
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verbose "# Remove DHCP client leases"
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run "rm -rf /var/lib/dhclient/*"
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run "rm -rf /var/lib/dhcp/*"
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verbose
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}
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dhcp_server_state() {
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verbose "# Remove DHCP server leases"
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run "rm -rf /var/lib/dhcpd/*"
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verbose
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}
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dovecot_data() {
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verbose "# Remove Dovecot (mail server) data"
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run "rm -f /var/lib/dovecot/*"
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verbose
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}
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firewall_rules() {
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verbose "# Remove the firewall rules"
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run "rm -f /etc/sysconfig/iptables"
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run "rm -f /etc/firewalld/services/*"
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run "rm -f /etc/firewalld/zones/*"
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verbose
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}
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flag_reconfiguration() {
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verbose "# Flag the system for reconfiguration"
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run "touch /.unconfigured"
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verbose
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}
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# Todo
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fs_uuids() {
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verbose "# Change filesystem UUIDs"
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run
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verbose
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}
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kerberos_data() {
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verbose "# Remove Kerberos data"
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run "rm -f /var/kerberos/krb5kdc/kadm5.acl"
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run "rm -f /var/kerberos/krb5kdc/kdc.conf"
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verbose
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}
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logfiles() {
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verbose "# Remove many log delfiles"
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verbose "# (* log files *)"
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run "rm -rf /var/log/*.log*"
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run "rm -rf /var/log/audit/*"
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run "rm -rf /var/log/btmp*"
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run "rm -rf /var/log/cron*"
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run "rm -rf /var/log/dmesg*"
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run "rm -rf /var/log/lastlog*"
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run "rm -rf /var/log/maillog*"
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run "rm -rf /var/log/mail/*"
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run "rm -rf /var/log/messages*"
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run "rm -rf /var/log/secure*"
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run "rm -rf /var/log/spooler*"
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run "rm -rf /var/log/tallylog*"
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run "rm -rf /var/log/wtmp*"
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run "rm -rf /var/log/apache2/*_log"
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run "rm -rf /var/log/apache2/*_log-*"
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run "rm -rf /var/log/ntp"
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run "rm -rf /var/log/tuned/tuned.log"
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run "rm -rf /var/log/debug*"
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run "rm -rf /var/log/syslog*"
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run "rm -rf /var/log/faillog*"
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run "rm -rf /var/log/firewalld*"
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run "rm -rf /var/log/grubby*"
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run "rm -rf /var/log/xferlog*"
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verbose "# (* logfiles configured by /etc/logrotate.d/* *)"
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run "rm -rf /var/log/BackupPC/LOG"
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run "rm -rf /var/log/ceph/*.log"
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run "rm -rf /var/log/chrony/*.log"
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run "rm -rf /var/log/cups/*_log*"
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run "rm -rf /var/log/glusterfs/*glusterd.vol.log"
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run "rm -rf /var/log/glusterfs/glusterfs.log"
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run "rm -rf /var/log/httpd/*log"
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run "rm -rf /var/log/jetty/jetty-console.log"
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run "rm -rf /var/log/libvirt/libxl/*.log"
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run "rm -rf /var/log/libvirt/libvirtd.log"
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run "rm -rf /var/log/libvirt/lxc/*.log"
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run "rm -rf /var/log/libvirt/qemu/*.log"
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run "rm -rf /var/log/libvirt/uml/*.log"
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run "rm -rf /var/named/data/named.run"
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run "rm -rf /var/log/ppp/connect-errors"
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run "rm -rf /var/log/setroubleshoot/*.log"
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run "rm -rf /var/log/squid/*.log"
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verbose "# (* And the status file of logrotate *)"
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run "rm -rf /var/lib/logrotate.status"
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verbose "# (* yum installation files *)"
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run "rm -rf /root/install.log"
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run "rm -rf /root/install.log.syslog"
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run "rm -rf /root/anaconda-ks.cfg"
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run "rm -rf /root/anaconda-post.log"
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run "rm -rf /root/initial-setup-ks.cfg"
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run "rm -rf /var/log/anaconda.syslog"
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run "rm -rf /var/log/anaconda/*"
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verbose "# (* debian-installer files *)"
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run "rm -rf /var/log/installer/*"
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verbose "# (* GDM and session preferences. *)"
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run "rm -rf /var/cache/gdm/*"
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run "rm -rf /var/lib/AccountService/users/*"
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verbose "# (* Fingerprint service files *)"
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run "rm -rf /var/lib/fprint/*"
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verbose "# (* fontconfig caches *)"
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run "rm -rf /var/cache/fontconfig/*"
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verbose "# (* man pages cache *)"
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run "rm -rf /var/cache/man/*"
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verbose "# (* log file of sysstat *)"
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run "rm -rf /var/log/sa/*"
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verbose "# (* log file of gdm *)"
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run "rm -rf /var/log/gdm/*"
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verbose "# (* log file of lightdm *)"
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run "rm -rf /var/log/lightdm/*"
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verbose "# (* log file of ntp *)"
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run "rm -rf /var/log/ntpstats/*"
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verbose "# (* Pegasus certificates and other files *)"
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run "rm -rf /etc/Pegasus/*.cnf"
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run "rm -rf /etc/Pegasus/*.crt"
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run "rm -rf /etc/Pegasus/*.csr"
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run "rm -rf /etc/Pegasus/*.pem"
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run "rm -rf /etc/Pegasus/*.srl"
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verbose "# (* Red Hat subscription manager log files *)"
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run "rm -rf /var/log/rhsm/*"
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verbose "# (* journals of systemd *)"
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run "rm -rf /var/log/journal/*"
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verbose "# (* Debian logs: apt & aptitude *)"
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run "rm -rf /var/log/aptitude*"
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run "rm -rf /var/log/apt/*"
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verbose "# (* log files of exim *)"
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run "rm -rf /var/log/exim4/*"
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verbose "# (* log files of ConsoleKit *)"
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run "rm -rf /var/log/ConsoleKit/*"
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verbose
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}
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# Todo
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lvm_uuids() {
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verbose "# Change LVM2 PV and VG UUIDs"
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run
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verbose
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}
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# Todo
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machine_id() {
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verbose "# Remove the local machine ID"
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run
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verbose
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}
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mail_spool() {
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verbose "# Remove email from the local mail spool directory"
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run "rm -rf /var/spool/mail/*"
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run "rm -ff /var/mail/*"
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verbose
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}
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# Todo
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net_hostname() {
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verbose "# Remove HOSTNAME in network interface configuration"
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run
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verbose
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}
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# Todo
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net_hwaddr() {
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verbose "# Remove HWADDR (hard-coded MAC address) configuration"
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run
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verbose
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}
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pacct_log() {
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verbose "# Remove the process accounting log files"
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# Redhat
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[ -f /var/account/pacct ] &&
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run "rm -f /var/account/pacct*" &&
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run "touch /var/account/pacct"
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# Debian
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[ -f /var/log/account/pacct ] &&
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run "rm -f /var/log/account/pacct*" &&
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run "touch /var/log/account/pacct"
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verbose
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}
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package_manager_cache() {
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verbose "# Clean package manager cache"
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run "which apt-get > /dev/null && apt-get clean"
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run "which yum > /dev/null && yum clean all*"
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run "which dnf > /dev/null && dnf clean all"
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verbose
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}
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pam_data() {
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verbose "# Remove the PAM data"
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run "rm -f /var/run/console/*"
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run "rm -f /var/run/faillock/*"
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run "rm -f /var/run/sepermit/*"
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verbose
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}
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puppet_data_log() {
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verbose "# Remove the data and log files of puppet"
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run "rm -f /var/log/puppet/*"
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run "rm -f /var/lib/puppet/*/*"
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run "rm -f /var/lib/puppet/*/*/*"
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verbose
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}
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rh_subscription_manager() {
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verbose "# Remove the RH subscription manager delfiles"
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run "rm -rf /etc/pki/consumer/*"
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run "rm -rf /etc/pki/entitlement/*"
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verbose
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}
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rhn_systemid() {
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verbose "# Remove the RHN system ID"
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run "rm -f /etc/sysconfig/rhn/systemid"
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run "rm -f /etc/sysconfig/rhn/osad-auth.conf"
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verbose
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}
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rpm_db() {
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verbose "# Remove host-specific RPM database files"
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run "rm -f /var/lib/rpm/__db.*"
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verbose
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}
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samba_db_log() {
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verbose "# Remove the database and log files of Samba"
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run "rm -f /var/log/samba/old/*"
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run "rm -f /var/log/samba/*"
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run "rm -f /var/lib/samba/*/*"
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run "rm -f /var/lib/samba/*"
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verbose
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}
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# rbkmoney gentoo specific
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script() {
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verbose "# Run arbitrary scripts"
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verbose "# Clear /usr/portage (output truncated)"
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run "rm -rf /usr/portage && mkdir -p /usr/portage " | head -10
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verbose "# Clear /var/lib/layman/* (output truncated)"
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run "rm -rf /var/lib/layman && mkdir -p /var/lib/layman" | head -10
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verbose
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verbose "# Hostname"
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run "rm -f /etc/conf.d/hostname"
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verbose
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verbose "# Filebeat conf"
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run "rm -f /etc/filebeat/filebeat.yml"
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verbose
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verbose "# Salt minion_id"
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run "rm -f /etc/salt/minion_id"
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verbose
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verbose "# Network configuration"
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run "rm -f /etc/conf.d/net"
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verbose
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}
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smolt_uuid() {
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verbose "# Remove the Smolt hardware UUID"
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run "rm -f /etc/sysconfig/hw-uuid"
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run "rm -f /etc/smolt/uuid"
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run "rm -f /etc/smolt/hw-uuid"
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verbose
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}
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ssh_hostkeys() {
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verbose "# Remove the SSH host keys"
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run "rm -f /etc/ssh/*_host_*"
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verbose
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}
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ssh_userdir() {
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verbose "# Remove \".ssh\" directories"
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run "rm -rf /root/.ssh"
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run "rm -rf /home/*/.ssh"
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verbose
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}
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sssd_db_log() {
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verbose "# Remove the database and log files of sssd"
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run "rm -f /var/log/sssd/*"
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run "rm -f /var/lib/sss/db/*"
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verbose
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}
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tmp_files() {
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verbose "# Remove temporary files"
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run "rm -rf /tmp/*"
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run "rm -rf /var/tmp/*"
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verbose
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}
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udev_persistent_net() {
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verbose "# Remove udev persistent net rules"
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run "rm -f /etc/udev/rules.d/70-persistent-net.rule"
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verbose
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}
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# Todo
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user_account() {
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verbose "# Remove the user accounts"
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run
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verbose
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}
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utmp() {
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verbose "# Remove the utmp file"
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run "rm -f /var/run/utmp"
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verbose
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}
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yum_uuid() {
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verbose "# Remove the yum UUID"
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run "rm -f /var/lib/yum/uuid"
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verbose
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}
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main "$@"
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exit 0
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# vim: noet ts=8
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