Chapter 9. Command Line Usage

Ceph supports the following usage for user name and secret:

--id | --user

Description: Ceph identifies users with a type and an ID (e.g., TYPE.ID or client.admin, client.user1). The id, name and -n options enable you to specify the ID portion of the user name (e.g., admin, user1, foo, etc.). You can specify the user with the --id and omit the type. For example, to specify user client.foo enter the following: +

ceph --id foo --keyring /path/to/keyring health
ceph --user foo --keyring /path/to/keyring health

ceph --id foo --keyring /path/to/keyring health
ceph --user foo --keyring /path/to/keyring health

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--name | -n

Description: Ceph identifies users with a type and an ID (e.g., TYPE.ID or client.admin, client.user1). The --name and -n options enables you to specify the fully qualified user name. You must specify the user type (typically client) with the user ID. For example: +

ceph --name client.foo --keyring /path/to/keyring health
ceph -n client.foo --keyring /path/to/keyring health

ceph --name client.foo --keyring /path/to/keyring health
ceph -n client.foo --keyring /path/to/keyring health

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--keyring

Description: The path to the keyring containing one or more user name and secret. The --secret option provides the same functionality, but it does not work with Ceph RADOS Gateway, which uses --secret for another purpose. You may retrieve a keyring with ceph auth get-or-create and store it locally. This is a preferred approach, because you can switch user names without switching the keyring path. For example: +

sudo rbd map foo --pool rbd myimage --id client.foo --keyring /path/to/keyring

sudo rbd map foo --pool rbd myimage --id client.foo --keyring /path/to/keyring

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