Ian Barwick b094d7b407 standby clone: set "slot_name" in node record if required ...

If executing "repmgr standby clone --replication-conf-only" on a node
which was set up without replication slots, but the repmgr configuration
was since changed to "use_replication_slots=1", repmgr will attempt to
create the replication slot. This will however fail if "slot_name"
is not set in the node's record, so have repmgr set the slot_name in
this case.

It might be preferable to preemptively create the slot name for each
node when configuring the cluster, however this would be a behavioural
change which would be better off in a major release (for example, it's
conceivable a user runs sanity checks on the node records and expects
to find the slot names empty if replication slots are not in use).

2021-07-01 13:11:11 +09:00

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