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repmgr standby switchover: add sanity check for pg_rewind useability

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pg_rewind will only be executed on a demoted primary if explictly
requested, to prevent transactions on the primary, which
were never replicated, from being automatically overwritten.

If --force-rewind is provided, we'll need to check pg_rewind
is actually useable before we need to use it.
This commit is contained in:
Ian Barwick
2017-08-04 00:38:07 +09:00
parent 0815accdef
commit 5948cf6cda
8 changed files with 122 additions and 21 deletions
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3
repmgr-client-global.h
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@@ -187,4 +187,5 @@ extern void make_remote_repmgr_path(PQExpBufferData *outputbuf);
extern void get_server_action(t_server_action action, char *script, char *data_dir);
extern bool data_dir_required_for_action(t_server_action action);
extern void get_node_data_directory(char *data_dir_buf);
#endif
#endif /* _REPMGR_CLIENT_GLOBAL_H_ */