From: antirez <antirez@gmail.com>
Date: Thu, 2 Aug 2012 16:40:30 +0000 (+0200)
Subject: Sentinel: client reconfiguration script execution.
X-Git-Url: https://git.saurik.com/redis.git/commitdiff_plain/26a340095d662f0c46eb41cda5ae74f97f1930d7?hp=26a340095d662f0c46eb41cda5ae74f97f1930d7

Sentinel: client reconfiguration script execution.

This commit adds support to optionally execute a script when one of the
following events happen:

* The failover starts (with a slave already promoted).
* The failover ends.
* The failover is aborted.

The script is called with enough parameters (documented in the example
sentinel.conf file) to provide information about the old and new ip:port
pair of the master, the role of the sentinel (leader or observer) and
the name of the master.

The goal of the script is to inform clients of the configuration change
in a way specific to the environment Sentinel is running, that can't be
implemented in a genereal way inside Sentinel itself.
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