[fix][broker] Fix ResourceGroups loading

[nodece]

Motivation

When the Pulsar starts up, the ResourceGroupConfigListener.java and ResourceGroupNamespaceConfigListener.java cache ResourceGroup and Namespace resources into memory for binding relationships. But this cache is loaded asynchronously, causing Namespace sometimes unable to find ResourceGroup.

2023-12-21T09:41:18,749+0000 [ForkJoinPool.commonPool-worker-2] ERROR org.apache.pulsar.broker.resourcegroup.ResourceGroupNamespaceConfigListener - Failed to register namespace my-tenant/my-namespace with resource group rg-1
org.apache.pulsar.client.admin.PulsarAdminException: Resource group does not exist: rg-1
        at org.apache.pulsar.broker.resourcegroup.ResourceGroupService.checkResourceGroupExists(ResourceGroupService.java:417) ~[org.apache.pulsar-pulsar-broker-3.1.1.jar:3.1.1]
        at org.apache.pulsar.broker.resourcegroup.ResourceGroupService.registerNameSpace(ResourceGroupService.java:249) ~[org.apache.pulsar-pulsar-broker-3.1.1.jar:3.1.1]
        at org.apache.pulsar.broker.resourcegroup.ResourceGroupNamespaceConfigListener.reconcileNamespaceResourceGroup(ResourceGroupNamespaceConfigListener.java:127) ~[org.apache.pulsar-pulsar-broker-3.1.1.jar:3.1.1]
        at org.apache.pulsar.broker.resourcegroup.ResourceGroupNamespaceConfigListener.lambda$updateNamespaceResourceGroup$0(ResourceGroupNamespaceConfigListener.java:69) ~[org.apache.pulsar-pulsar-broker-3.1.1.jar:3.1.1]
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:863) ~[?:?]
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:841) ~[?:?]
        at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483) ~[?:?]
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?]
        at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?]
        at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?]
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?]
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?]

Modifications

• Wait for ResourceGroup to load into memory, then create ResourceGroupNamespaceConfigListener
• Add retry for loading ResourceGroup

Verifying this change

Added.

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

[nodece]

/pulsarbot rerun-failure-checks

[lhotari]

/pulsarbot rerun-failure-checks

[nodece]

/pulsarbot rerun-failure-checks

[nodece]

/pulsarbot rerun-failure-checks

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 89.18919% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 73.65%. Comparing base (bbc6224) to head (68bb959).
Report is 75 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #21781      +/-   ##
============================================
+ Coverage     73.57%   73.65%   +0.08%     
+ Complexity    32624    32197     -427     
============================================
  Files          1877     1887      +10     
  Lines        139502   139502              
  Branches      15299    15293       -6     
============================================
+ Hits         102638   102754     +116     
+ Misses        28908    28783     -125     
- Partials       7956     7965       +9     

Flag	Coverage Δ
inttests	26.86% <40.54%> (+2.28%)	⬆️
systests	24.38% <40.54%> (+0.05%)	⬆️
unittests	72.93% <89.18%> (+0.08%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...sar/broker/resourcegroup/ResourceGroupService.java	73.36% <100.00%> (-0.20%)	⬇️
...ker/resourcegroup/ResourceGroupConfigListener.java	83.14% <88.88%> (+5.68%)	⬆️

... and 175 files with indirect coverage changes

[Technoboy-]

Add related issue #15113 and related fix #15126

[nodece]

#15126 has been closed, so this PR needs to be reviewed again.

[nodece]

The comment has been resolved and can be reviewed again.

[nodece]

/pulsarbot rerun-failure-checks

[nodece]

/pulsarbot rerun-failure-checks