[feat][broker]PIP-255 Part-2: Make the partition assignment strategy pluggable

[xiaotongwang1]

PIP: #19806

Motivation

Make the partition assignment strategy pluggable

Modifications

broker find bundle api

Verifying this change

• Make sure that the change passes the CI checks.

This change added tests

Does this pull request potentially affect one of the following parts:

If the box was checked, please highlight the changes

• Dependencies (add or upgrade a dependency)
• The public API
• The schema
• The default values of configurations
• The threading model
• The binary protocol
• The REST endpoints
• The admin CLI options
• The metrics
• Anything that affects deployment

Documentation

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

Matching PR in forked repository

[315157973]

@Technoboy- PLAL

[BewareMyPower]

Add line break at the end of file

[codecov-commenter]

Codecov Report

Merging #20537 (1a278e0) into master (0e60340) will increase coverage by 0.51%.
The diff coverage is 80.64%.

@@             Coverage Diff              @@
##             master   #20537      +/-   ##
============================================
+ Coverage     72.60%   73.12%   +0.51%     
- Complexity    32018    32053      +35     
============================================
  Files          1855     1869      +14     
  Lines        138569   138783     +214     
  Branches      15250    15264      +14     
============================================
+ Hits         100605   101481     +876     
+ Misses        29945    29266     -679     
- Partials       8019     8036      +17     

Flag	Coverage Δ
inttests	24.18% <70.96%> (+0.07%)	⬆️
systests	25.00% <70.96%> (?)
unittests	72.39% <80.64%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
...ar/common/naming/TopicBundleAssignmentFactory.java	66.66% <66.66%> (ø)
...org/apache/pulsar/broker/ServiceConfiguration.java	99.38% <100.00%> (+<0.01%)	⬆️
...n/naming/ConsistentHashingTopicBundleAssigner.java	100.00% <100.00%> (ø)
...e/pulsar/common/naming/NamespaceBundleFactory.java	80.87% <100.00%> (+4.07%)	⬆️
.../apache/pulsar/common/naming/NamespaceBundles.java	79.74% <100.00%> (-0.98%)	⬇️

... and 155 files with indirect coverage changes