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https://issues.apache.org/jira/browse/HDDS-10629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devesh Kumar Singh updated HDDS-10629:
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Summary: Recon - Enriched /du API for listing of FSO bucket keys with
recursive support (was: Recon - Enriched API for listing of FSO bucket keys
with recursive support)
> Recon - Enriched /du API for listing of FSO bucket keys with recursive support
> ------------------------------------------------------------------------------
>
> Key: HDDS-10629
> URL: https://issues.apache.org/jira/browse/HDDS-10629
> Project: Apache Ozone
> Issue Type: Task
> Components: Ozone Recon
> Affects Versions: 1.5.0
> Reporter: Devesh Kumar Singh
> Assignee: Devesh Kumar Singh
> Priority: Major
>
> * API to retrieve list of keys in the ozone. Probably allow filtering of keys
> by bucket, replication_type, age, size, limit and key prefix.
> *
> h5. This API will leverage the existing design and implementation of
> NamespaceSummary data built by Recon. Existing NSSummary data is missing a
> few data fields and will need to be extended while implementing the API.
> h5. By default, API will provide a list of keys based on the path provided.
> E.g. /volume/bucket/
> h5. API will also accept parameters to filter the list of keys by path
> (volume/bucket/dir/sub-dir), replication type, age, key size, start, count
> and start prefix of key.
> h5. Default values of API parameters if not provided:
> # path - /
> # recursive - false
> # replication_type - RATIS
> # age - null and filter will not be applied, so list out keys irrespective
> of age.
> # key_size - 0 bytes, which means all keys greater than zero bytes will be
> listed, effectively all.
> # start - 1 (inclusive)
> # count - 1000
>
> h5. Behavior of API:
> h5. For FSO bucket - list out *_count_* number of keys starting from
> *_start_* value number of keys recursively, i.e. on immediate path as well as
> all files in all directories and sub-directories on the provided path.
> This API will implement pagination support using *start* and *count params.*
>
> h3. Get List of All Keys:
> GET /api/v1/namespace/du
> API params:
> # path
> # replication_type
> # age in epoch ms
> # start
> # count
> # key_size
> Input Request:
>
> api/v1/namespace/du?path=/volume1/fso-bucket/dir1/&start=5&count=105
> Output Response
>
> {noformat}
> { "status": "OK", "path": "/volume1/fso-bucket/dir1", "size": 62914560,
> "sizeWithReplica": -1, "subPathCount": 3, "subPaths": [ { "path":
> "/volume1/fso-bucket/dir1/dir2", "size": 41943040, "sizeWithReplica": -1,
> "isKey": false, "subPathCount": 3, "subPaths": [ { "key": true, "path":
> "/volume1/fso-bucket/dir1/dir2/file1", "size": 41943040, "sizeWithReplica":
> -1, "isKey": true, "subPathCount": 0 }, { "key": true, "path":
> "/volume1/fso-bucket/dir1/dir2/file2", "size": 41943040, "sizeWithReplica":
> -1, "isKey": true, "subPathCount": 0 }, { "key": true, "path":
> "/volume1/fso-bucket/dir1/dir2/file3", "size": 41943040, "sizeWithReplica":
> -1, "isKey": true, "subPathCount": 0 } ], "replicaType": "RATIS" },
> { "key": true, "path": "/volume1/fso-bucket/dir1/file1", "size": 10485760,
> "sizeWithReplica": -1, "isKey": true, "replicaType": "EC" }, { "key": true,
> "path": "/volume1/fso-bucket/dir1/testfile", "size": 10485760,
> "sizeWithReplica": -1, "isKey": true, "replicaType": "RATIS" } ],
> "sizeDirectKey": 20971520 }{noformat}
>
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