xyuanlu commented on a change in pull request #1129:
URL: https://github.com/apache/helix/pull/1129#discussion_r468772201
##########
File path:
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/PerInstanceAccessor.java
##########
@@ -310,20 +311,34 @@ public Response
updateInstanceConfig(@PathParam("clusterId") String clusterId,
}
InstanceConfig instanceConfig = new InstanceConfig(record);
ConfigAccessor configAccessor = getConfigAccessor();
+
try {
switch (command) {
- case update:
- configAccessor.updateInstanceConfig(clusterId, instanceName,
instanceConfig);
- break;
- case delete:
- HelixConfigScope instanceScope =
- new
HelixConfigScopeBuilder(HelixConfigScope.ConfigScopeProperty.PARTICIPANT)
- .forCluster(clusterId).forParticipant(instanceName).build();
- configAccessor.remove(instanceScope, record);
- break;
- default:
- return badRequest(String.format("Unsupported command: %s", command));
+ case update:
+ /*
+ * The new instanceConfig will be merged with existing one.
+ * Even if the instance is disabled, non-valid instance topology
config will cause rebalance
+ * failure. We are doing the check whenever user updates
InstanceConfig.
+ */
+ validateDeltaTopologySettingInInstanceConfig(clusterId,
instanceName, configAccessor,
+ instanceConfig, command);
+ configAccessor.updateInstanceConfig(clusterId, instanceName,
instanceConfig);
+ break;
+ case delete:
+ validateDeltaTopologySettingInInstanceConfig(clusterId,
instanceName, configAccessor,
Review comment:
TFTR. Updated.
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