haydenzhourepo opened a new pull request #15143:
URL: https://github.com/apache/flink/pull/15143
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## What is the purpose of the change
This PR will add an implementation of a file system that read from & write
to Tencent's COS so that users can use COS with Flink without depending on
Hadoop. In this way, users will find it is more easily to use COS with Flink
now.
This implementation wraps *CosNFileSystem* and shade its dependencies.
However, the wrapped jar is not in Flink's lib directory, users need to copy
the jar which built in *opt* directory to *plugins* directory.
## Brief change log
- Adds flink-filesystems/flink-cos-fs-hadoop
## Verifying this change
This implementation adds some tests to test instantiation and some reads &
writes & lists operations(test communications with COS). However, in order to
run these tests, someone needs to have his own COS secretId, secretKey and
region. Then, set environment variables below：
`export IT_COS_TEST_SECRET_ID=<Your access secretid>`
`export IT_COS_TEST_SECRET_KEY=<Your access secretkey>`
`export IT_COS_TEST_REGION=<Your region>`
`export IT_COS_TEST_BUCKET=<Your bucket for test>`
`export IT_COS_TEST_COSN_IMPL=org.apache.hadoop.fs.CosFileSystem`
`export IT_COS_TEST_AFS_COSN_IMPL=org.apache.hadoop.fs.CosN`
some tests are skipped by default.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (*yes* / no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / *no*)
- The serializers: (yes / *no* / don't know)
- The runtime per-record code paths (performance sensitive): (yes / *no* /
don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (*yes* / no /
don't know)
- The S3 file system connector: (yes / *no* / don't know)
## Documentation
- Does this pull request introduce a new feature? (*yes* / no)
- If yes, how is the feature documented? (not applicable / *docs* /
JavaDocs / not documented)
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