OpenShift Command Line Tools

Internal

• OpenShift Concepts

Overview

User may interact with OpenShift by sending REST API invocations into an OpenShift master. Project-related queries and administrative commands may be sent with oc. Special administrative commands related to core OpenShift services, may be sent with oadm

State

Both oc and oadm maintain state on the client host, under ~/<user>/.kube/<cluster-identifier> directories, and configuration in ~/<user>/.kube/config. Example:

~ovidiu/.kube/master.openshift.novaordis.io_443

describe the .kube/.../subdirectories.

CLI Tool Context

, and an essential part of the state is the context. A context consists in a project (namespace) name, an OpenShift cluster address, and the name of the OpenShift user under

Context examples:

default/lb-local:443/system:admin

or

 playground/master-openshift-novaordis-io:443/ovidiu