Add -E parameter to allow to specify expected mode and fix auto-detection on PG>=12
This commit is contained in:
parent
8d172e944c
commit
747331a9ec
2 changed files with 54 additions and 26 deletions
40
README.md
40
README.md
|
@ -48,25 +48,27 @@ ln -s /usr/local/src/check_pg_streaming_replication/check_pg_streaming_replicati
|
|||
|
||||
```
|
||||
Usage: ./check_pg_streaming_replication [-d] [-h] [options]
|
||||
-u pg_user Specify local Postgres user (Default: try to auto-detect or use postgres)
|
||||
-b psql_bin Specify psql binary path (Default: /usr/bin/psql)
|
||||
-B pg_lsclusters_bin Specify pg_lsclusters binary path (Default: /usr/bin/pg_lsclusters)
|
||||
-V pg_version Specify Postgres version (Default: try to auto-detect or use 9.1)
|
||||
-m pg_main Specify Postgres main directory path (Default: try to auto-detect or use
|
||||
/var/lib/postgresql//main)
|
||||
-r recovery_conf Specify Postgres recovery configuration file path
|
||||
(Default: [PG_MAIN]/recovery.conf for PG <= 11, [PG_MAIN]/postgresql.auto.conf for PG >= 12)
|
||||
-U pg_master_user Specify Postgres user to use on master (Default: user from recovery.conf file)
|
||||
-p pg_port Specify default Postgres master TCP port (Default: same as local PostgreSQL
|
||||
port if detected or use 5432)
|
||||
-D dbname Specify DB name on Postgres master/slave to connect on (Default: PG_USER, must
|
||||
match with .pgpass one is used)
|
||||
-C 1/0 Enable or disable check if the current LSN of the master host is the same
|
||||
of the last received LSN (Default: 1)
|
||||
-w replay_warn_delay Specify the replay warning delay in second (Default: 3)
|
||||
-c replay_crit_delay Specify the replay critical delay in second (Default: 5)
|
||||
-e expected_sync_state The expected replication state ('sync' or 'async', default: sync)
|
||||
-d Debug mode
|
||||
-u pg_user Specify local Postgres user (Default: try to auto-detect or use postgres)
|
||||
-b psql_bin Specify psql binary path (Default: /usr/bin/psql)
|
||||
-B pg_lsclusters_bin Specify pg_lsclusters binary path (Default: /usr/bin/pg_lsclusters)
|
||||
-V pg_version Specify Postgres version (Default: try to auto-detect or use 9.1)
|
||||
-m pg_main Specify Postgres main directory path (Default: try to auto-detect or use
|
||||
/var/lib/postgresql//main)
|
||||
-r recovery_conf Specify Postgres recovery configuration file path
|
||||
( Default: [PG_MAIN]/recovery.conf on PG <= 11, [PG_MAIN]/postgresql.auto.conf on PG >= 12)
|
||||
-U pg_master_user Specify Postgres user to use on master (Default: user from recovery.conf file)
|
||||
-p pg_port Specify default Postgres master TCP port (Default: same as local PostgreSQL
|
||||
port if detected or use 5432)
|
||||
-D dbname Specify DB name on Postgres master/slave to connect on (Default: PG_USER, must
|
||||
match with .pgpass one is used)
|
||||
-C 1/0 Enable or disable check if the current LSN of the master host is the same
|
||||
of the last received LSN (Default: 1)
|
||||
-w replay_warn_delay Specify the replay warning delay in second (Default: 3)
|
||||
-c replay_crit_delay Specify the replay critical delay in second (Default: 5)
|
||||
-e expected_sync_state The expected replication state ('sync' or 'async', default: sync)
|
||||
-E expected_mode The expected mode ('master', 'hot-standby' or 'auto', default: 'auto')
|
||||
-d Debug mode
|
||||
-h Show this message
|
||||
```
|
||||
|
||||
## Copyright
|
||||
|
|
|
@ -43,6 +43,7 @@ CHECK_CUR_MASTER_LSN=1
|
|||
REPLAY_WARNING_DELAY=3
|
||||
REPLAY_CRITICAL_DELAY=5
|
||||
EXPECTED_SYNC_STATE=sync
|
||||
EXPECTED_MODE=auto
|
||||
|
||||
DEBUG=0
|
||||
|
||||
|
@ -69,13 +70,14 @@ Usage: $0 [-d] [-h] [options]
|
|||
-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)
|
||||
-e expected_sync_state The expected replication state ('sync' or 'async', default: $EXPECTED_SYNC_STATE)
|
||||
-E expected_mode The expected mode ('master', 'hot-standby' or 'auto', default: '$EXPECTED_MODE')
|
||||
-d Debug mode
|
||||
-h Show this message
|
||||
EOF
|
||||
[ -n "$ERROR" ] && exit 1 || exit 0
|
||||
}
|
||||
|
||||
while getopts "hu:b:B:V:m:r:U:p:D:C:w:c:e:d" OPTION
|
||||
while getopts "hu:b:B:V:m:r:U:p:D:C:w:c:e:E:d" OPTION
|
||||
do
|
||||
case $OPTION in
|
||||
u)
|
||||
|
@ -119,6 +121,11 @@ do
|
|||
usage "Invalid expected replication state '$OPTARG'. Possible values: sync or async."
|
||||
EXPECTED_SYNC_STATE=$OPTARG
|
||||
;;
|
||||
E)
|
||||
[ "$OPTARG" != "master" -a "$OPTARG" != "hot-standby" -a "$OPTARG" != "auto" ] && \
|
||||
usage "Invalid expected mode '$OPTARG'. Possible values: master, hot-standby or auto."
|
||||
EXPECTED_MODE=$OPTARG
|
||||
;;
|
||||
d)
|
||||
DEBUG=1
|
||||
;;
|
||||
|
@ -151,6 +158,8 @@ PG_DEFAULT_APP_NAME = $PG_DEFAULT_APP_NAME
|
|||
CHECK_CUR_MASTER_LSN = $CHECK_CUR_MASTER_LSN
|
||||
REPLAY_WARNING_DELAY = $REPLAY_WARNING_DELAY
|
||||
REPLAY_CRITICAL_DELAY = $REPLAY_CRITICAL_DELAY
|
||||
EXPECTED_SYNC_STATE = $EXPECTED_SYNC_STATE
|
||||
EXPECTED_MODE = $EXPECTED_MODE
|
||||
"
|
||||
|
||||
# Auto-detect PostgreSQL information using pg_lsclusters
|
||||
|
@ -192,6 +201,8 @@ id "$PG_USER" > /dev/null 2>&1
|
|||
if [ -z "$RECOVERY_CONF" ]; then
|
||||
[ $PG_VERSION -le 11 ] && RECOVERY_CONF_FILENAME="recovery.conf" || RECOVERY_CONF_FILENAME="postgresql.auto.conf"
|
||||
RECOVERY_CONF="$PG_MAIN/$RECOVERY_CONF_FILENAME"
|
||||
else
|
||||
RECOVERY_CONF_FILENAME=$( basename "$RECOVERY_CONF" )
|
||||
fi
|
||||
|
||||
# Check PG_DEFAULT_PORT
|
||||
|
@ -262,10 +273,23 @@ debug "Postgres is running"
|
|||
RECOVERY_MODE=0
|
||||
[ "$( psql_get 'SELECT pg_is_in_recovery();' )" == "t" ] && RECOVERY_MODE=1
|
||||
|
||||
if [ -f $RECOVERY_CONF ]
|
||||
then
|
||||
debug "File recovery.conf found. Hot-standby mode."
|
||||
if [ "$EXPECTED_MODE" == "auto" ]; then
|
||||
debug "Auto-detect mode"
|
||||
if [[ $RECOVERY_MODE -eq 1 ]]; then
|
||||
debug "Postgres is in recovery mode. Hot-standby mode."
|
||||
EXPECTED_MODE="hot-standby"
|
||||
elif [ -f $RECOVERY_CONF -a $( grep -cE '^\s*primary_conninfo' $RECOVERY_CONF ) -gt 0 ]; then
|
||||
debug "File $RECOVERY_CONF_FILENAME found and contain primary_conninfo. Hot-standby mode."
|
||||
EXPECTED_MODE="hot-standby"
|
||||
else
|
||||
debug "Postgres not in recovery mode and file $RECOVERY_CONF_FILENAME not found " \
|
||||
"(or does not contain primary_conninfo). Master mode."
|
||||
EXPECTED_MODE="master"
|
||||
fi
|
||||
fi
|
||||
|
||||
if [ "$EXPECTED_MODE" == "hot-standby" ]
|
||||
then
|
||||
# Check recovery mode
|
||||
if [ $RECOVERY_MODE -ne 1 ]
|
||||
then
|
||||
|
@ -429,9 +453,8 @@ then
|
|||
echo "Last sent/writed LSN: '$M_CUR_SENT_LSN' / '$M_CUR_WRITED_LSN'"
|
||||
[ "$LAST_RECEIVED_LSN" != "$LAST_REPLAYED_LSN" ] && echo "Replay delay: ${REPLAY_DELAY}s"
|
||||
exit 0
|
||||
else
|
||||
debug "File recovery.conf not found. Master mode."
|
||||
|
||||
elif [ "$EXPECTED_MODE" == "master" ]
|
||||
then
|
||||
# Check recovery mode
|
||||
if [ $RECOVERY_MODE -eq 1 ]
|
||||
then
|
||||
|
@ -496,4 +519,7 @@ else
|
|||
echo "Current master LSN: $CURRENT_LSN"
|
||||
echo -e "$STANDBY_CLIENTS_TXT"
|
||||
exit $EXIT_CODE
|
||||
else
|
||||
echo "UNKNOWN - Invalid mode '$EXPECTED_MODE'"
|
||||
exit 3
|
||||
fi
|
||||
|
|
Loading…
Reference in a new issue