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"node rejoin": actively check for node to rejoin cluster

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Previously repmgr was relying on whatever command was configured to
start PostgreSQL to determine whether the node being rejoined had
started correctly. However it's preferable to actively poll the upstream
to confirm it has restarted and actually attached as a standby before
confirming success of the "node rejoin" action.

This can be overridden with the -W/--no-wait option.

(Note that for consistency with other PostgreSQL utilities, the
short form of the --wait option is now "-w"; this is currently
only used in "repmgr standby follow".)

Also update "repmgr node rejoin" documentation with a list of supported
options, and add some useful index entries for "pg_rewind".

Implements GitHub #415.
This commit is contained in:
Ian Barwick
2018-04-03 09:13:32 +09:00
committed by Ian Barwick
parent 938692c169
commit a3f371b8c0
8 changed files with 234 additions and 20 deletions
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errcode.h
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@@ -45,5 +45,6 @@
#define ERR_OUT_OF_MEMORY 21
#define ERR_SWITCHOVER_INCOMPLETE 22
#define ERR_FOLLOW_FAIL 23
#define ERR_REJOIN_FAIL 24
#endif /* _ERRCODE_H_ */