bn8/check_pg_streaming_replication
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Add -e parameter to allow to specify expected replication state

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Benjamin Renard 2024-06-03 15:24:38 +02:00
parent a674949d93
commit 49648b04fc
Signed by: bn8
GPG key ID: 3E2E1CE1907115BC
1 changed files with 14 additions and 5 deletions
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19
check_pg_streaming_replication
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@ -41,10 +41,13 @@ PG_DB=""
CHECK_CUR_MASTER_LSN=1 CHECK_CUR_MASTER_LSN=1
REPLAY_WARNING_DELAY=3 REPLAY_WARNING_DELAY=3
REPLAY_CRITICAL_DELAY=5 REPLAY_CRITICAL_DELAY=5
EXPECTED_SYNC_STATE=sync
DEBUG=0 DEBUG=0
function usage () { function usage () {
ERROR="$1"
[ -n "$ERROR" ] && echo -e "$ERROR\n"
cat << EOF cat << EOF
Usage: $0 [-d] [-h] [options] Usage: $0 [-d] [-h] [options]
-u pg_user Specify local Postgres user (Default: try to auto-detect or use $DEFAULT_PG_USER) -u pg_user Specify local Postgres user (Default: try to auto-detect or use $DEFAULT_PG_USER)
@ -64,13 +67,14 @@ Usage: $0 [-d] [-h] [options]
of the last received LSN (Default: $CHECK_CUR_MASTER_LSN) of the last received LSN (Default: $CHECK_CUR_MASTER_LSN)
-w replay_warn_delay Specify the replay warning delay in second (Default: $REPLAY_WARNING_DELAY) -w replay_warn_delay Specify the replay warning delay in second (Default: $REPLAY_WARNING_DELAY)
-c replay_crit_delay Specify the replay critical delay in second (Default: $REPLAY_CRITICAL_DELAY) -c replay_crit_delay Specify the replay critical delay in second (Default: $REPLAY_CRITICAL_DELAY)
-e expected_sync_state The expected replication state ('sync' or 'async', default: $EXPECTED_SYNC_STATE)
-d Debug mode -d Debug mode
-h Show this message -h Show this message
EOF EOF
exit 0 [ -n "$ERROR" ] && exit 1 || exit 0
} }
while getopts "hu:b:B:V:m:r:U:p:D:C:w:c:d" OPTION while getopts "hu:b:B:V:m:r:U:p:D:C:w:c:e:d" OPTION
do do
case $OPTION in case $OPTION in
u) u)
@ -109,6 +113,11 @@ do
c) c)
REPLAY_CRITICAL_DELAY=$OPTARG REPLAY_CRITICAL_DELAY=$OPTARG
;; ;;
e)
[ "$OPTARG" != "sync" -a "$OPTARG" != "async" ] && \
usage "Invalid expected replication state '$OPTARG'. Possible values: sync or async."
EXPECTED_SYNC_STATE=$OPTARG
;;
d) d)
DEBUG=1 DEBUG=1
;; ;;
@ -255,7 +264,7 @@ RECOVERY_MODE=0
if [ -f $RECOVERY_CONF ] if [ -f $RECOVERY_CONF ]
then then
debug "File recovery.conf found. Hot-standby mode." debug "File recovery.conf found. Hot-standby mode."
# Check recovery mode # Check recovery mode
if [ $RECOVERY_MODE -ne 1 ] if [ $RECOVERY_MODE -ne 1 ]
then then
@ -354,9 +363,9 @@ then
M_CUR_SYNC_STATE=$( echo "$M_CUR_REPL_STATE_INFO"|cut -d'|' -f2 ) M_CUR_SYNC_STATE=$( echo "$M_CUR_REPL_STATE_INFO"|cut -d'|' -f2 )
debug "Master current sync state: $M_CUR_SYNC_STATE" debug "Master current sync state: $M_CUR_SYNC_STATE"
if [ "$M_CUR_SYNC_STATE" != "sync" ] if [ "$M_CUR_SYNC_STATE" != "$EXPECTED_SYNC_STATE" ]
then then
echo "CRITICAL: this host is not synchronized according to master host (current sync state = '$M_CUR_SYNC_STATE')" echo "CRITICAL: unexpected replication state '$M_CUR_SYNC_STATE' (expected state = '$EXPECTED_SYNC_STATE')"
exit 2 exit 2
fi fi