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Sentinel: added config options useful to take state on config rewrite.

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We'll use CONFIG REWRITE (internally) in order to store the new
configuration of a Sentinel after the internal state changes. In order
to do so, we need configuration options (that usually the user will not
touch at all) about config epoch of the master, Sentinels and Slaves
known for this master, and so forth.
This commit is contained in:
antirez 2013-11-18 16:02:58 +01:00
parent 3a374b0511
commit 232cdb95ab
1 changed files with 29 additions and 0 deletions
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29
src/sentinel.c
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@ -1312,6 +1312,35 @@ char *sentinelHandleConfiguration(char **argv, int argc) {
ri = sentinelGetMasterByName(argv[1]);
if (!ri) return "No such master with specified name.";
ri->auth_pass = sdsnew(argv[2]);
} else if (!strcasecmp(argv[0],"config-epoch") && argc == 3) {
/* config-epoch <name> <epoch> */
ri = sentinelGetMasterByName(argv[1]);
if (!ri) return "No such master with specified name.";
ri->config_epoch = strtoull(argv[2],NULL,10);
if (ri->config_epoch > sentinel.current_epoch)
sentinel.current_epoch = ri->config_epoch;
} else if (!strcasecmp(argv[0],"slave") && argc == 3) {
sentinelRedisInstance *slave;
/* slave <name> <ip> <port> */
ri = sentinelGetMasterByName(argv[1]);
if (!ri) return "No such master with specified name.";
if ((slave = createSentinelRedisInstance(NULL,SRI_SLAVE,argv[2],
atoi(argv[3]), ri->quorum, ri)) == NULL)
{
return "Wrong hostname or port for slave.";
}
} else if (!strcasecmp(argv[0],"sentinel") && argc == 3) {
sentinelRedisInstance *si;
/* sentinel <name> <ip> <port> */
ri = sentinelGetMasterByName(argv[1]);
if (!ri) return "No such master with specified name.";
if ((si = createSentinelRedisInstance(NULL,SRI_SENTINEL,argv[2],
atoi(argv[3]), ri->quorum, ri)) == NULL)
{
return "Wrong hostname or port for sentinel.";
}
} else {
return "Unrecognized sentinel configuration statement.";
}