Here are the list of changes we made in this pull request. Top 3 are the principle changes, others are following these principles.
1. New agent and mesh report protocol.
2. New agent header protocol.
3. Service register, instance register and network address register have been removed permanently.
4. Service traffic, instance traffic and network alias metrics are added to replace the service, instance and network address inventory.
5. Register process has been removed.
6. Metrics stream process supports insert only mode, especially for traffic entities.
7. Metrics stream process supports no-downsampling mode for traffic entities and network alias.
8. Remove all register mechanism and cache in the java agent.
9. Remove MONTH step in GraphQL query.
10. Update UI to remove MONTH step query, the max query range is 60 days now.
11. Simplify the TTL to metrics and record. And the unit has been formatted in Day unit. No specific TTL for ElasticSearch storage.
12. Buffer mechanism of trace receiver and mesh receiver has been removed due to no register.
13. New service id, instance id and endpoint id rules, including service relation, instance relation and endpoint relation id rules.
14. Java agent support `keep tracing` mode, meaning, agent generating tracing context even the backend is unconnected/unavailable.
15. Plugin test tool up to date, in order to support new protocol.
16. Plugin tests expected data files updated.
17. E2E tests updated.
18. Telemetry of Grafana config has been merged into one.
19. Documentation updates.
20. [TBD] InfluxDB storage implementation is not available, need @dmsolr to fix later, in order to reduce the master change block by this PR.
Motivation:
Review code styles with some bots automatically.
Modifications:
Set up ReviewDog in GitHub Action to review code style.
Add more check rules to checkstyle plugin.
Result:
Obvious code styles can be reviewed and commented automatically.
* Update docs for alpha release
* Delete a comma.
* Update How-to-build.md
* Add data-set licenses file
* Rename LICENSES-data-set to LICENSE-data-set
* Update LICENSE
* Remove fastclick from LICENSE
* Make the git submodule command to be a maven profile plugin. Let this command not execute by default install command.
* [maven-release-plugin] prepare release apm-5.0.0-alpha
* [maven-release-plugin] prepare for next development iteration
* Product name is not correct
* Add more documents for release.
* Change profile id.
* Add CHANGES file in distribution file.
* Revert "[maven-release-plugin] prepare for next development iteration"
This reverts commit ac81501929f72ab3a276b8d782759eb6f652bfa3.
* Revert "[maven-release-plugin] prepare release apm-5.0.0-alpha"
This reverts commit 095597c9189589667c2a333d85bd46f6dca90c80.
* Add rat plugin to check dependency license and add license head into missing files.
* Fix docs.
* Exclude web ui config file.
* Next release guide.
* UI update.
* Update docs.
* Build source shell.
Xin,Zhang
吴晟 Wu Sheng
kezhenxu94
于玉桔
彭勇升 pengys
ascrutae