add import/export command and test

[carlvine500]

Which Issue(s) This PR Fixes

Fixes #6971

Brief Description

1. migrate message across env: we switch our system from aws to aliyun , some message still not consumed in aws , we should migrate message from aws to aliyun ==> just use exportMessage and importMessage .
2. fix some wrong message: after deploy some bug , the message format is not correct ==> we can exportMessage with json body --> modify message body --> importMessasge
3. trace bug in lots of message body ==> after export message with json/text format ,we could easily search some keywords to view message detail , such as grep keyword messageFile

How Did You Test This Change?

1. exportMessage: mock broker , fetch some messages and export to file , at the same time , show result 100% on system.out
2. importMessage: mock broker , read a message file and send message to broker , at the same time , show result 100% on system.out

example usage

[mxsm]

@carlvine500 Please check code sytle and fix it

[carlvine500]

@carlvine500 Please check code sytle and fix it

ok

[codecov-commenter]

Codecov Report

Merging #6972 (f6c6d01) into develop (8ab99ac) will increase coverage by 0.10%.
The diff coverage is 68.01%.

@@              Coverage Diff              @@
##             develop    #6972      +/-   ##
=============================================
+ Coverage      42.65%   42.75%   +0.10%     
- Complexity      9211     9260      +49     
=============================================
  Files           1131     1133       +2     
  Lines          80470    80729     +259     
  Branches       10517    10553      +36     
=============================================
+ Hits           34322    34519     +197     
- Misses         41856    41880      +24     
- Partials        4292     4330      +38     

Impacted Files	Coverage Δ
.../apache/rocketmq/tools/command/MQAdminStartup.java	0.00% <0.00%> (ø)
...mq/tools/command/message/ExportMessageCommand.java	66.11% <66.11%> (ø)
...mq/tools/command/message/ImportMessageCommand.java	66.97% <66.97%> (ø)
.../org/apache/rocketmq/tools/admin/MQAdminUtils.java	12.21% <100.00%> (+6.39%)	⬆️

... and 40 files with indirect coverage changes

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[carlvine500]

@mxsm bazel-compile still failed , can I ignore it ?

[mxsm]

@mxsm bazel-compile still failed , can I ignore it ?

Yes, you can ignore it

[carlvine500]

@ferrirW failure test is not about export/import , please review code again .

[carlvine500]

it's fixed in latest version

[carlvine500]

@mxsm @ferrirW please check it again .

[github-actions]

This PR is stale because it has been open for 365 days with no activity. It will be closed in 3 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this PR.

[github-actions]

This PR was closed because it has been inactive for 3 days since being marked as stale.