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Diffstat (limited to 'sentinel.conf')
| -rw-r--r-- | sentinel.conf | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sentinel.conf b/sentinel.conf index 367b3de45..34d185c4b 100644 --- a/sentinel.conf +++ b/sentinel.conf @@ -91,4 +91,41 @@ sentinel failover-timeout mymaster 900000 # # sentinel notification-script mymaster /var/redis/notify.sh +# CLIENTS RECONFIGURATION SCRIPT +# +# sentinel client-reconfig-script <master-name> <script-path> +# +# When the failover starts, ends, or is aborted, a script can be called in +# order to perform application-specific tasks to notify the clients that the +# configuration has changed and the master is at a different address. +# +# The script is called in the following cases: +# +# Failover started (a slave is already promoted) +# Failover finished (all the additional slaves already reconfigured) +# Failover aborted (in that case the script was previously called when the +# failover started, and now gets called again with swapped +# addresses). +# +# The following arguments are passed to the script: +# +# <master-name> <role> <state> <from-ip> <from-port> <to-ip> <to-port> +# +# <state> is "start", "end" or "abort" +# <role> is either "leader" or "observer" +# +# The arguments from-ip, from-port, to-ip, to-port are used to communicate +# the old address of the master and the new address of the elected slave +# (now a master) in the case state is "start" or "end". +# +# For abort instead the "from" is the address of the promoted slave and +# "to" is the address of the original master address, since the failover +# was aborted. +# +# This script should be resistant to multiple invocations. +# +# Example: +# +# sentinel client-reconfig-script mymaster /var/redis/reconfig.sh + |