| From: | "Peter J(dot) Holzer" <hjp-pgsql(at)hjp(dot)at> |
|---|---|
| To: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Notify When Streaming Replication Failover Occurred (slave promoted to master). |
| Date: | 2021-06-13 15:51:21 |
| Message-ID: | 20210613155121.GA15132@hjp.at |
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| Lists: | pgsql-general |
On 2021-06-13 08:00:24 +0000, Avi Weinberg wrote:
> I need to take actions when Postgres streaming replication failover occurred.
> Is there a way to be notified when Postgres slave becomes master? If no such
> notification possible, what is the best way to actively monitor which server is
> master. My Postgres is running inside Kubernetes and the HA is managed by
> Patroni.
I just do
patronictl list -f yaml | grep -v 'Lag in MB'
periodically and send an email if the output changes. Of course instead
of sending an email the script could take any other action.
hp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp(at)hjp(dot)at | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
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