pkuwm commented on a change in pull request #797: Add REST API to add, remove
and update CustomizedStateAggregationConfig
URL: https://github.com/apache/helix/pull/797#discussion_r382872857
##########
File path:
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/ClusterAccessor.java
##########
@@ -267,6 +268,129 @@ public Response getClusterConfig(@PathParam("clusterId")
String clusterId) {
return JSONRepresentation(config.getRecord());
}
+
+ @PUT
+ @Path("{clusterId}/customizedstateaggregationconfig")
+ public Response addCustomizedStateAggregationConfig(@PathParam("clusterId")
String clusterId,
+ String content) {
+ HelixZkClient zkClient = getHelixZkClient();
+ if (!ZKUtil.isClusterSetup(clusterId, zkClient)) {
+ return notFound("Cluster is not properly setup!");
+ }
+
+ HelixAdmin admin = getHelixAdmin();
+ ZNRecord record;
+ try {
+ record = toZNRecord(content);
+ } catch (IOException e) {
+ _logger.error("Failed to deserialize user's input " + content + ",
Exception: " + e);
+ return badRequest("Input is not a vaild ZNRecord!");
+ }
+
+ try {
+ CustomizedStateAggregationConfig customizedStateAggregationConfig =
+ new CustomizedStateAggregationConfig.Builder(record).build();
+ admin.addCustomizedStateAggregationConfig(clusterId,
customizedStateAggregationConfig);
+ } catch (HelixException ex) {
+ _logger.error("Error in adding a CustomizedStateAggregationConfig to
cluster: " + clusterId,
+ ex);
+ return badRequest(ex.getMessage());
+ } catch (Exception ex) {
+ _logger.error("Cannot add CustomizedStateAggregationConfig to cluster: "
+ clusterId, ex);
+ return serverError(ex);
+ }
+
+ return OK();
+ }
+
+ @DELETE
+ @Path("{clusterId}/customizedstateaggregationconfig")
+ public Response
removeCustomizedStateAggregationConfig(@PathParam("clusterId") String
clusterId) {
+ HelixZkClient zkClient = getHelixZkClient();
+ if (!ZKUtil.isClusterSetup(clusterId, zkClient)) {
+ return notFound("Cluster is not properly setup!");
+ }
+
+ HelixAdmin admin = getHelixAdmin();
+ try {
+ admin.removeCustomizedStateAggregationConfig(clusterId);
+ } catch (HelixException ex) {
+ _logger.error("Error in removing CustomizedStateAggregationConfig to
cluster: " + clusterId,
+ ex);
+ return badRequest(ex.getMessage());
+ } catch (Exception ex) {
+ _logger.error("Cannot remove CustomizedStateAggregationConfig to
cluster: " + clusterId, ex);
+ return serverError(ex);
+ }
+
+ return OK();
+ }
+
+ @GET
+ @Path("{clusterId}/customizedstateaggregationconfig")
+ public Response getCustomizedStateAggregationConfig(@PathParam("clusterId")
String clusterId) {
+ HelixZkClient zkClient = getHelixZkClient();
+ if (!ZKUtil.isClusterSetup(clusterId, zkClient)) {
+ return notFound();
Review comment:
I would suggest adding an error message to the response.
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