Change SetRemoteTarget API to allow editing remote target

[poornas]

more flexibly.

• Previously only credentials could be updated with
  mc admin bucket remote edit. Change this to allow updating
  synchronous replication flag, path, bandwidth and healthcheck

Add a flag to allow disabling proxying in active-active replication

Description

Motivation and Context

How to test this PR?

with minio/mc#3701

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Documentation updated
• Unit tests added/updated

[minio-trusted]

Mint Automation

Test	Result
mint-large-bucket.sh	✔️
mint-fs.sh	✔️
mint-gateway-s3.sh	✔️
mint-erasure.sh	✔️
mint-dist-erasure.sh	✔️
mint-gateway-nas.sh	✔️
mint-zoned.sh	❌ more...
mint-compress-encrypt-dist-erasure.sh	❌ more...

12175-ad28335/mint-zoned.sh.log:

Running with
SERVER_ENDPOINT:      minio-dev7.minio.io:32178
ACCESS_KEY:           minio
SECRET_KEY:           ***REDACTED***
ENABLE_HTTPS:         0
SERVER_REGION:        us-east-1
MINT_DATA_DIR:        /mint/data
MINT_MODE:            full
ENABLE_VIRTUAL_STYLE: 0

To get logs, run 'docker cp 73ab23510212:/mint/log /tmp/mint-logs'

(1/15) Running aws-sdk-go tests ... done in 2 seconds
(2/15) Running aws-sdk-java tests ... done in 1 seconds
(3/15) Running aws-sdk-php tests ... done in 43 seconds
(4/15) Running aws-sdk-ruby tests ... done in 3 seconds
(5/15) Running awscli tests ... done in 2 minutes and 10 seconds
(6/15) Running healthcheck tests ... done in 1 seconds
(7/15) Running mc tests ... done in 1 minutes and 7 seconds
(8/15) Running minio-dotnet tests ... done in 53 seconds
(9/15) Running minio-go tests ... done in 2 minutes and 4 seconds
(10/15) Running minio-java tests ... done in 1 minutes and 50 seconds
(11/15) Running minio-js tests ... FAILED in 16 seconds
{
  "name": "minio-js",
  "function": "\"after all\" hook in \"functional tests\"",
  "duration": 5,
  "status": "FAIL",
  "error": "S3Error: The bucket you tried to delete is not empty at Object.parseError (node_modules/minio/dist/main/xml-parsers.js:79:11) at /mint/run/core/minio-js/node_modules/minio/dist/main/transformers.js:156:22 at DestroyableTransform._flush (node_modules/minio/dist/main/transformers.js:80:10) at DestroyableTransform.prefinish (node_modules/readable-stream/lib/_stream_transform.js:129:10) at prefinish (node_modules/readable-stream/lib/_stream_writable.js:611:14) at finishMaybe (node_modules/readable-stream/lib/_stream_writable.js:620:5) at endWritable (node_modules/readable-stream/lib/_stream_writable.js:643:3) at DestroyableTransform.Writable.end (node_modules/readable-stream/lib/_stream_writable.js:571:22) at IncomingMessage.onend (internal/streams/readable.js:684:10) at endReadableNT (internal/streams/readable.js:1327:12) at processTicksAndRejections (internal/process/task_queues.js:80:21)"
}
(11/15) Running minio-py tests ... FAILED in 2 minutes and 40 seconds
{
  "name": "minio-py:test_thread_safe",
  "status": "FAIL",
  "args": {
    "bucket_name": "minio-py-test-878ac29c-9590-4534-a0ed-809a3da7c4a6",
    "object_name": "ace320b8-f1ba-4d9c-bb61-ec98eab92da9"
  },
  "message": "S3 operation failed; code: BucketNotEmpty, message: The bucket you tried to delete is not empty, resource: /minio-py-test-878ac29c-9590-4534-a0ed-809a3da7c4a6, request_id: 167A180F20E7C86A, host_id: 4bcf3720-fbc9-43f1-92d4-c541b41bc3e4, bucket_name: minio-py-test-878ac29c-9590-4534-a0ed-809a3da7c4a6",
  "error": "Traceback (most recent call last):\n  File \"/mint/run/core/minio-py/tests.py\", line 126, in _call_test\n    func(log_entry, *args, **kwargs)\n  File \"/mint/run/core/minio-py/tests.py\", line 1640, in test_thread_safe\n    _CLIENT.remove_bucket(bucket_name)\n  File \"/usr/local/lib/python3.6/dist-packages/minio/api.py\", line 676, in remove_bucket\n    self._execute(\"DELETE\", bucket_name)\n  File \"/usr/local/lib/python3.6/dist-packages/minio/api.py\", line 409, in _execute\n    preload_content=preload_content,\n  File \"/usr/local/lib/python3.6/dist-packages/minio/api.py\", line 385, in _url_open\n    raise response_error\nminio.error.S3Error: S3 operation failed; code: BucketNotEmpty, message: The bucket you tried to delete is not empty, resource: /minio-py-test-878ac29c-9590-4534-a0ed-809a3da7c4a6, request_id: 167A180F20E7C86A, host_id: 4bcf3720-fbc9-43f1-92d4-c541b41bc3e4, bucket_name: minio-py-test-878ac29c-9590-4534-a0ed-809a3da7c4a6\n",
  "duration": 5933
}
(11/15) Running s3cmd tests ... done in 18 seconds
(12/15) Running s3select tests ... done in 6 seconds
(13/15) Running security tests ... done in 0 seconds

Executed 13 out of 15 tests successfully.

12175-ad28335/mint-compress-encrypt-dist-erasure.sh.log:

Running with
SERVER_ENDPOINT:      minio-dev6.minio.io:32298
ACCESS_KEY:           minio
SECRET_KEY:           ***REDACTED***
ENABLE_HTTPS:         0
SERVER_REGION:        us-east-1
MINT_DATA_DIR:        /mint/data
MINT_MODE:            full
ENABLE_VIRTUAL_STYLE: 0

To get logs, run 'docker cp 1610a51739c2:/mint/log /tmp/mint-logs'

(1/15) Running aws-sdk-go tests ... done in 1 seconds
(2/15) Running aws-sdk-java tests ... done in 2 seconds
(3/15) Running aws-sdk-php tests ... done in 42 seconds
(4/15) Running aws-sdk-ruby tests ... done in 4 seconds
(5/15) Running awscli tests ... FAILED in 31 seconds
{
  "name": "awscli",
  "duration": 2709,
  "function": "aws --endpoint-url http://minio-dev6.minio.io:32298 s3api copy-object --bucket awscli-mint-test-bucket-2640 --key datafile-1-kB-copy --copy-source awscli-mint-test-bucket-2640/datafile-1-kB\n",
  "status": "FAIL",
  "error": "Hash mismatch expected 084e1383b70fb0c51acc680fef370023, got ac57de7156d7fc25ac1a65f81fa3989b"
}
(5/15) Running healthcheck tests ... done in 1 seconds
(6/15) Running mc tests ... done in 47 seconds
(7/15) Running minio-dotnet tests ... done in 41 seconds
(8/15) Running minio-go tests ... FAILED in 2 minutes and 43 seconds
{
  "args": {},
  "duration": 703,
  "error": "At least one of the pre-conditions you specified did not hold",
  "function": "CopyObjectPart(destination, source)",
  "message": "CopyObjectPart call failed",
  "name": "minio-go: testUnencryptedToSSES3CopyObjectPart",
  "status": "FAIL"
}
(8/15) Running minio-java tests ... FAILED in 2 minutes and 6 seconds
{
  "name": "minio-java",
  "function": "copyObject()",
  "args": "[match etag]",
  "duration": 129,
  "status": "FAIL",
  "error": "error occurred\nErrorResponse(code = PreconditionFailed, message = At least one of the pre-conditions you specified did not hold, bucketName = minio-java-test-3kn880m, objectName = minio-java-test-2ne718b-copy, resource = /minio-java-test-3kn880m/minio-java-test-2ne718b-copy, requestId = 167A17D3F1CC3059, hostId = 2f8fa777-0ef9-451f-b6d7-f92e5c2b84fa)\nrequest={method=PUT, url=http://minio-dev6.minio.io:32298/minio-java-test-3kn880m/minio-java-test-2ne718b-copy, headers=x-amz-copy-source-if-match: 71cff0a060f852067e443ad1e24ae26c-1\nx-amz-copy-source: /minio-java-test-hckhpu/minio-java-test-2ne718b\nHost: minio-dev6.minio.io:32298\nAccept-Encoding: identity\nUser-Agent: MinIO (Linux; amd64) minio-java/8.0.3\nContent-MD5: 1B2M2Y8AsgTpgAmY7PhCfg==\nx-amz-content-sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\nx-amz-date: 20210428T180655Z\nAuthorization: AWS4-HMAC-SHA256 Credential=*REDACTED*/20210428/us-east-1/s3/aws4_request, SignedHeaders=content-md5;host;x-amz-content-sha256;x-amz-copy-source;x-amz-copy-source-if-match;x-amz-date, Signature=*REDACTED*\n}\nresponse={code=412, headers=Accept-Ranges: bytes\nContent-Length: 418\nContent-Security-Policy: block-all-mixed-content\nContent-Type: application/xml\nETag: \"71cff0a060f852067e443ad1e24ae26c\"\nLast-Modified: Wed, 28 Apr 2021 18:06:55 GMT\nServer: MinIO\nVary: Origin\nX-Amz-Request-Id: 167A17D3F1CC3059\nX-Xss-Protection: 1; mode=block\nDate: Wed, 28 Apr 2021 18:06:55 GMT\n}\n >>> [io.minio.MinioClient.execute(MinioClient.java:775), io.minio.MinioClient.execute(MinioClient.java:563), io.minio.MinioClient.executePut(MinioClient.java:904), io.minio.MinioClient.copyObject(MinioClient.java:1232), FunctionalTest.testCopyObjectMatchETag(FunctionalTest.java:1850), FunctionalTest.copyObject(FunctionalTest.java:2016), FunctionalTest.runObjectTests(FunctionalTest.java:3757), FunctionalTest.runTests(FunctionalTest.java:3783), FunctionalTest.main(FunctionalTest.java:3927)]"
}
(8/15) Running minio-js tests ... done in 51 seconds
(9/15) Running minio-py tests ... done in 2 minutes and 51 seconds
(10/15) Running s3cmd tests ... FAILED in 5 seconds
{
  "name": "s3cmd",
  "duration": "2793",
  "function": "test_put_object_multipart",
  "status": "FAIL",
  "error": "WARNING: MD5 Sums don't match!\nWARNING: Retrying upload of /mint/data/datafile-65-MB\nWARNING: MD5 Sums don't match!\nWARNING: Retrying upload of /mint/data/datafile-65-MB\nWARNING: MD5 Sums don't match!\nWARNING: Retrying upload of /mint/data/datafile-65-MB\nWARNING: MD5 Sums don't match!\nWARNING: Retrying upload of /mint/data/datafile-65-MB\nWARNING: MD5 Sums don't match!\nWARNING: Retrying upload of /mint/data/datafile-65-MB\nWARNING: MD5 Sums don't match!\nWARNING: Too many failures. Giving up on '/mint/data/datafile-65-MB'\nERROR: \nUpload of '/mint/data/datafile-65-MB' part 1 failed. Use\n  /usr/local/bin/s3cmd abortmp s3://s3cmd-test-bucket-10483/s3cmd-test-object-7383 73c8df83-2f90-4b48-8c1a-86945a4a7365\nto abort the upload, or\n  /usr/local/bin/s3cmd --upload-id 73c8df83-2f90-4b48-8c1a-86945a4a7365 put ...\nto continue the upload.\nERROR: Upload of '/mint/data/datafile-65-MB' failed too many times (Last reason: )"
}
(10/15) Running s3select tests ... done in 6 seconds
(11/15) Running security tests ... done in 0 seconds

Executed 11 out of 15 tests successfully.

Deleting image on docker hub
Deleting image locally