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repmgr: add option --wait-sync for standby register

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Causes repmgr to wait for the updated node record to propagate
to the standby before exiting. This can be used to ensure that
actions which depend on the standby's node record being synchronised
(such as starting repmgrd) are not carried out prematurely.

Addresses GitHub #103
This commit is contained in:
Ian Barwick
2016-09-28 14:04:59 +09:00
parent b7f20ee1f7
commit fa10fd8493
5 changed files with 136 additions and 21 deletions
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36
README.md
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@@ -1587,23 +1587,25 @@ which contains connection details for the local database.
`repmgr` or `repmgrd` will return one of the following error codes on program
exit:
* SUCCESS (0) Program ran successfully.
* ERR_BAD_CONFIG (1) Configuration file could not be parsed or was invalid
* ERR_BAD_RSYNC (2) An rsync call made by the program returned an error (repmgr only)
* ERR_NO_RESTART (4) An attempt to restart a PostgreSQL instance failed
* ERR_DB_CON (6) Error when trying to connect to a database
* ERR_DB_QUERY (7) Error while executing a database query
* ERR_PROMOTED (8) Exiting program because the node has been promoted to master
* ERR_STR_OVERFLOW (10) String overflow error
* ERR_FAILOVER_FAIL (11) Error encountered during failover (repmgrd only)
* ERR_BAD_SSH (12) Error when connecting to remote host via SSH (repmgr only)
* ERR_SYS_FAILURE (13) Error when forking (repmgrd only)
* ERR_BAD_BASEBACKUP (14) Error when executing pg_basebackup (repmgr only)
* ERR_MONITORING_FAIL (16) Unrecoverable error encountered during monitoring (repmgrd only)
* ERR_BAD_BACKUP_LABEL (17) Corrupt or unreadable backup label encountered (repmgr only)
* ERR_SWITCHOVER_FAIL (18) Error encountered during switchover (repmgr only)
* ERR_BARMAN (19) Unrecoverable error while accessing the barman server (repmgr only)
* SUCCESS (0) Program ran successfully.
* ERR_BAD_CONFIG (1) Configuration file could not be parsed or was invalid
* ERR_BAD_RSYNC (2) An rsync call made by the program returned an error
(repmgr only)
* ERR_NO_RESTART (4) An attempt to restart a PostgreSQL instance failed
* ERR_DB_CON (6) Error when trying to connect to a database
* ERR_DB_QUERY (7) Error while executing a database query
* ERR_PROMOTED (8) Exiting program because the node has been promoted to master
* ERR_STR_OVERFLOW (10) String overflow error
* ERR_FAILOVER_FAIL (11) Error encountered during failover (repmgrd only)
* ERR_BAD_SSH (12) Error when connecting to remote host via SSH (repmgr only)
* ERR_SYS_FAILURE (13) Error when forking (repmgrd only)
* ERR_BAD_BASEBACKUP (14) Error when executing pg_basebackup (repmgr only)
* ERR_MONITORING_FAIL (16) Unrecoverable error encountered during monitoring (repmgrd only)
* ERR_BAD_BACKUP_LABEL (17) Corrupt or unreadable backup label encountered (repmgr only)
* ERR_SWITCHOVER_FAIL (18) Error encountered during switchover (repmgr only)
* ERR_BARMAN (19) Unrecoverable error while accessing the barman server (repmgr only)
* ERR_REGISTRATION_SYNC (20) After registering a standby, local node record was no
syncrhonised (repmgr only, with --wait option)
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