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Module cluster flags: add hooks for NO_REDIRECTION flag.

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antirez
2018-09-19 11:31:22 +02:00
parent 744fe7f348
commit c202ba2b35
3 changed files with 14 additions and 4 deletions
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10
src/cluster.c
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@ -1589,6 +1589,12 @@ void clusterUpdateSlotsConfigWith(clusterNode *sender, uint64_t senderConfigEpoc
}
}
/* After updating the slots configuration, don't do any actual change
* in the state of the server if a module disabled Redis Cluster
* keys redirections. */
if (server.cluster_module_flags & CLUSTER_MODULE_FLAG_NO_REDIRECTION)
return;
/* If at least one slot was reassigned from a node to another node
* with a greater configEpoch, it is possible that:
* 1) We are a master left without slots. This means that we were
@ -5435,6 +5441,10 @@ clusterNode *getNodeByQuery(client *c, struct redisCommand *cmd, robj **argv, in
multiCmd mc;
int i, slot = 0, migrating_slot = 0, importing_slot = 0, missing_keys = 0;
/* Allow any key to be set if a module disabled cluster redirections. */
if (server.cluster_module_flags & CLUSTER_MODULE_FLAG_NO_REDIRECTION)
return myself;
/* Set error code optimistically for the base case. */
if (error_code) *error_code = CLUSTER_REDIR_NONE;