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about-cli-profiles-switch.adoc

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About switches between CLI profiles

Contexts allow you to easily switch between multiple users across multiple {product-title} servers, or clusters, when using CLI operations. Nicknames make managing CLI configurations easier by providing short-hand references to contexts, user credentials, and cluster details. After a user logs in with the oc CLI for the first time, {product-title} creates a ~/.kube/config file if one does not already exist. As more authentication and connection details are provided to the CLI, either automatically during an oc login operation or by manually configuring CLI profiles, the updated information is stored in the configuration file:

CLI config file
apiVersion: v1
clusters: (1)
- cluster:
    insecure-skip-tls-verify: true
    server: https://openshift1.example.com:8443
  name: openshift1.example.com:8443
- cluster:
    insecure-skip-tls-verify: true
    server: https://openshift2.example.com:8443
  name: openshift2.example.com:8443
contexts: (2)
- context:
    cluster: openshift1.example.com:8443
    namespace: alice-project
    user: alice/openshift1.example.com:8443
  name: alice-project/openshift1.example.com:8443/alice
- context:
    cluster: openshift1.example.com:8443
    namespace: joe-project
    user: alice/openshift1.example.com:8443
  name: joe-project/openshift1/alice
current-context: joe-project/openshift1.example.com:8443/alice (3)
kind: Config
preferences: {}
users: (4)
- name: alice/openshift1.example.com:8443
  user:
    token: xZHd2piv5_9vQrg-SKXRJ2Dsl9SceNJdhNTljEKTb8k

  1. The clusters section defines connection details for {product-title} clusters, including the address for their master server. In this example, one cluster is nicknamed openshift1.example.com:8443 and another is nicknamed openshift2.example.com:8443.

  2. This contexts section defines two contexts: one nicknamed alice-project/openshift1.example.com:8443/alice, using the alice-project project, openshift1.example.com:8443 cluster, and alice user, and another nicknamed joe-project/openshift1.example.com:8443/alice, using the joe-project project, openshift1.example.com:8443 cluster and alice user.

  3. The current-context parameter shows that the joe-project/openshift1.example.com:8443/alice context is currently in use, allowing the alice user to work in the joe-project project on the openshift1.example.com:8443 cluster.

  4. The users section defines user credentials. In this example, the user nickname alice/openshift1.example.com:8443 uses an access token.

The CLI can support multiple configuration files which are loaded at runtime and merged together along with any override options specified from the command line. After you are logged in, you can use the oc status or oc project command to verify your current working environment:

Verify the current working environment
$ oc status
Example output
oc status
In project Joe's Project (joe-project)

service database (172.30.43.12:5434 -> 3306)
  database deploys docker.io/openshift/mysql-55-centos7:latest
    #1 deployed 25 minutes ago - 1 pod

service frontend (172.30.159.137:5432 -> 8080)
  frontend deploys origin-ruby-sample:latest <-
    builds https://github.com/openshift/ruby-hello-world with joe-project/ruby-20-centos7:latest
    #1 deployed 22 minutes ago - 2 pods

To see more information about a service or deployment, use 'oc describe service <name>' or 'oc describe dc <name>'.
You can use 'oc get all' to see lists of each of the types described in this example.
List the current project
$ oc project
Example output
Using project "joe-project" from context named "joe-project/openshift1.example.com:8443/alice" on server "https://openshift1.example.com:8443".

You can run the oc login command again and supply the required information during the interactive process, to log in using any other combination of user credentials and cluster details. A context is constructed based on the supplied information if one does not already exist. If you are already logged in and want to switch to another project the current user already has access to, use the oc project command and enter the name of the project:

$ oc project alice-project
Example output
Now using project "alice-project" on server "https://openshift1.example.com:8443".

At any time, you can use the oc config view command to view your current CLI configuration, as seen in the output. Additional CLI configuration commands are also available for more advanced usage.

Note

If you have access to administrator credentials but are no longer logged in as the default system user system:admin, you can log back in as this user at any time as long as the credentials are still present in your CLI config file. The following command logs in and switches to the default project:

$ oc login -u system:admin -n default