2013-09-24 13:33:27 +00:00
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#!/bin/sh
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#
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2013-12-17 06:54:15 +00:00
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# Kdump common variables and functions
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2013-09-24 13:33:27 +00:00
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#
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2014-04-11 12:26:59 +00:00
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DEFAULT_PATH="/var/crash/"
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2014-04-02 08:33:41 +00:00
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FENCE_KDUMP_CONFIG_FILE="/etc/sysconfig/fence_kdump"
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2013-12-17 06:54:15 +00:00
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FENCE_KDUMP_SEND="/usr/libexec/fence_kdump_send"
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2013-09-24 13:33:27 +00:00
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is_ssh_dump_target()
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{
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grep -q "^ssh[[:blank:]].*@" /etc/kdump.conf
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}
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is_nfs_dump_target()
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{
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grep -q "^nfs" /etc/kdump.conf
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}
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is_raw_dump_target()
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{
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grep -q "^raw" /etc/kdump.conf
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}
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2013-09-26 11:35:59 +00:00
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2014-04-11 12:26:59 +00:00
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is_fs_type_nfs()
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{
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local _fstype=$1
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[ $_fstype = "nfs" ] || [ $_fstype = "nfs4" ] && return 0
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return 1
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}
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2013-09-26 11:35:59 +00:00
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strip_comments()
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{
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2013-10-10 09:02:58 +00:00
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echo $@ | sed -e 's/\(.*\)#.*/\1/'
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2013-09-26 11:35:59 +00:00
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}
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2013-12-17 06:54:15 +00:00
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2014-04-02 08:33:43 +00:00
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# Check if fence kdump is configured in Pacemaker cluster
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is_pcs_fence_kdump()
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2013-12-17 06:54:15 +00:00
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{
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# no pcs or fence_kdump_send executables installed?
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type -P pcs > /dev/null || return 1
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[ -x $FENCE_KDUMP_SEND ] || return 1
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# fence kdump not configured?
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(pcs cluster cib | grep -q 'type="fence_kdump"') &> /dev/null || return 1
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}
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2014-03-03 10:37:14 +00:00
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2014-04-02 08:33:47 +00:00
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# Check if fence_kdump is configured using kdump options
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is_generic_fence_kdump()
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{
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[ -x $FENCE_KDUMP_SEND ] || return 1
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grep -q "^fence_kdump_nodes" /etc/kdump.conf
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}
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2014-03-03 10:37:14 +00:00
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get_user_configured_dump_disk()
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{
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local _target
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if is_ssh_dump_target || is_nfs_dump_target; then
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return
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fi
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_target=$(egrep "^ext[234]|^xfs|^btrfs|^minix|^raw" /etc/kdump.conf 2>/dev/null |awk '{print $2}')
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[ -n "$_target" ] && echo $_target
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return
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}
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2014-03-24 09:15:28 +00:00
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is_user_configured_dump_target()
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{
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local _target
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if is_ssh_dump_target || is_nfs_dump_target; then
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return 0
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fi
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_target=$(egrep "^ext[234]|^xfs|^btrfs|^minix|^raw" /etc/kdump.conf 2>/dev/null |awk '{print $2}')
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[ -n "$_target" ] && return 0
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return 1
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}
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2014-03-03 10:37:14 +00:00
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get_root_fs_device()
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{
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local _target
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_target=$(findmnt -k -f -n -o SOURCE /)
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[ -n "$_target" ] && echo $_target
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return
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}
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2014-04-11 12:26:59 +00:00
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get_mntpoint_from_path()
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{
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echo $(df $1 | tail -1 | awk '{print $NF}')
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}
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get_target_from_path()
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{
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echo $(df $1 | tail -1 | awk '{print $1}')
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}
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get_fs_type_from_target()
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{
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echo $(findmnt -k -f -n -r -o FSTYPE $1)
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}
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get_mntpoint_from_target()
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{
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echo $(findmnt -k -f -n -r -o TARGET $1)
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}
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2014-04-02 13:35:20 +00:00
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# get_option_value <option_name>
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# retrieves value of option defined in kdump.conf
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get_option_value() {
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echo $(strip_comments `grep ^$1 /etc/kdump.conf | tail -1 | cut -d\ -f2-`)
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}
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2014-04-11 12:27:00 +00:00
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#This function compose a absolute path with the mount
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#point and the relative $SAVE_PATH.
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#target is passed in as argument, could be UUID, LABEL,
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#block device or even nfs server export of the form of
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#"my.server.com:/tmp/export"?
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#And possibly this could be used for both default case
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#as well as when dump taret is specified. When dump
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#target is not specified, then $target would be null.
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make_absolute_save_path()
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{
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local _target=$1
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local _mnt
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[ -n $_target ] && _mnt=$(get_mntpoint_from_target $1)
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echo "${_mnt}/$SAVE_PATH"
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}
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check_save_path_fs()
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{
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local _path=$1
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if [ ! -d $_path ]; then
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perror_exit "Dump path $_path does not exist."
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fi
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}
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