hadoop/hadoop-ozone/docs/content/BucketCommands.md

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Bucket Commands	main parent weight Client 3

Ozone shell supports the following bucket commands.

• create
• delete
• info
• list
• update

Create

The bucket create command allows a user to create a bucket.

Params:

Arguments	Comment
Uri	The name of the bucket in /volume/bucket format.

{{< highlight bash >}} ozone sh bucket create /hive/jan {{< /highlight >}}

The above command will create a bucket called jan in the hive volume. Since no scheme was specified this command defaults to O3 (RPC) protocol.

Delete

The bucket delete commands allows an user to delete a volume. If the bucket is not empty then this command will fail.

Params:

Arguments	Comment
Uri	The name of the bucket

{{< highlight bash >}} ozone sh volume delete /hive/jan {{< /highlight >}}

The above command will delete jan bucket if it is empty.

Info

The bucket info commands returns the information about the bucket. Params:

Arguments	Comment
Uri	The name of the bucket.

{{< highlight bash >}} ozone sh bucket info /hive/jan {{< /highlight >}}

The above command will print out the information about jan bucket.

List

The bucket list commands allows uset to list the buckets in a volume.

Params:

Arguments	Comment
-l, --length	Maximum number of results to return. Default: 100
-p, --prefix	Optional, Only buckets that match this prefix will be returned.
-s, --start	The listing will start from key after the start key.
Uri	The name of the volume.

{{< highlight bash >}} ozone sh bucket list /hive {{< /highlight >}}

This command will list all buckets on the volume hive.

Update

The bucket update command allows changing access permissions on bucket.

Params:

Arguments	Comment
--addAcl	Optional, Comma separated ACLs that will added to bucket.
--removeAcl	Optional, Comma separated list of acl to remove.
Uri	The name of the bucket.

{{< highlight bash >}} ozone sh bucket update --addAcl=user:bilbo:rw /hive/jan {{< /highlight >}}

The above command gives user bilbo read/write permission to the bucket.

You can try out these commands from the docker instance of the Alpha Cluster.