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added option to modify the snapshot filter to enable domain changes

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Martin Berghaus
2025-04-10 19:15:21 +02:00
parent 2ac52819ae
commit 28f1cafc55
1 changed files with 13 additions and 3 deletions
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16
script/monitor/generic/ZFS_SYNC_CHECK.sh
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@@ -8,7 +8,6 @@ _DOMAIN="$("${_CIS_ROOT:?"Missing CIS_ROOT"}core/printOwnDomain.sh")"
_COMPOSITIONS="${_CIS_ROOT:?"Missing CIS_ROOT"}definitions/${_DOMAIN:?"Missing DOMAIN"}/compositions/"
_REMOTE_HOST="${1:?"FQDN of server missing: e.g. host.example.net[:port]"}"
_MODE="${2:-"normal"}"
_REMOTE_HOSTNAME_FQDN="${_REMOTE_HOST%%:*}" #Removes longest matching pattern ':*' from the end
_REMOTE_HOSTNAME_SHORT="${_REMOTE_HOSTNAME_FQDN%%.*}" #Removes longest matching pattern '.*' from the end
_REMOTE_PORT="${_REMOTE_HOST}:"
@@ -18,6 +17,13 @@ _REMOTE_PORT="${_REMOTE_PORT:-"22"}"
_REMOTE_USER="monitoring"
_SOCKET='~/.ssh/%r@%h:%p'
# This is crucial:
# - default value for the filter part is extracted from the first parameter (FQDN)
# - but you can override this part to to adapt the test during a change of the domain.
# (e.g. the short hostname can be an option - or even a better default in the future)
_ZFS_SNAPSHOT_FILTER="@SYNC_${2:-"${_REMOTE_HOSTNAME_FQDN:?"Missing REMOTE_HOSTNAME_FQDN"}"}"
_MODE="${3:-"normal"}"
_NOW_UTC_UNIXTIME=$(date -u +%s)
_DEBUG_PATH="/tmp/monitor/"
@@ -49,10 +55,14 @@ function checkSync() {
&& echo "Now: ${_NOW_UTC_UNIXTIME}" > ${_DEBUG_PATH}SECONDS_BEHIND_${_REMOTE_HOSTNAME_FQDN}.txt
! [ -d "${_COMPOSITIONS:?"Missing COMPOSITIONS"}" ] \
&& echo "OK#no compositions" \
&& echo "WARN#no compositions" \
&& return 0
_SNAPSHOTS="$(ssh -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOSTNAME_FQDN} zfs list -po creation,name -r -t snapshot zpool1/persistent | grep -F @SYNC_${_REMOTE_HOSTNAME_FQDN})"
[ "${_MODE}" == "debug" ] \
&& echo "Snapshot filter: ${_ZFS_SNAPSHOT_FILTER}" >> ${_DEBUG_PATH}SECONDS_BEHIND_${_REMOTE_HOSTNAME_FQDN}.txt
# This retrieves the list of the interesting snapshots including creation timestamp
_SNAPSHOTS="$(ssh -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOSTNAME_FQDN} zfs list -po creation,name -r -t snapshot zpool1/persistent | grep -F ${_ZFS_SNAPSHOT_FILTER})"
[ "${_MODE}" == "debug" ] \
&& echo "${_SNAPSHOTS}" > ${_DEBUG_PATH}SNAPSHOTS_${_REMOTE_HOSTNAME_FQDN}.txt