$ oc explain pods
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Developer CLI commands
Basic CLI commands
explain
Display documentation for a certain resource.
Example: Display documentation for Pods
login
Log in to the OpenShift Container Platform server and save login information for subsequent use.
Example: Interactive login
$ oc login
Example: Log in specifying a user name
$ oc login -u user1
new-app
Create a new application by specifying source code, a template, or an image.
Example: Create a new application from a local Git repository
$ oc new-app .
Example: Create a new application from a remote Git repository
$ oc new-app https://github.com/sclorg/cakephp-ex
Example: Create a new application from a private remote repository
$ oc new-app https://github.com/youruser/yourprivaterepo --source-secret=yoursecret
new-project
Create a new project and switch to it as the default project in your configuration.
Example: Create a new project
$ oc new-project myproject
project
Switch to another project and make it the default in your configuration.
Example: Switch to a different project
$ oc project test-project
Build and Deploy CLI commands
cancel-build
Cancel a running, pending, or new build.
Example: Cancel a build
$ oc cancel-build python-1
Example: Cancel all pending builds from the
python BuildConfig$ oc cancel-build buildconfig/python --state=pending
import-image
Import the latest tag and image information from an image repository.
Example: Import the latest image information
$ oc import-image my-ruby
new-build
Create a new BuildConfig from source code.
Example: Create a BuildConfig from a local Git repository
$ oc new-build .
Example: Create a BuildConfig from a remote Git repository
$ oc new-build https://github.com/sclorg/cakephp-ex
rollback
Revert an application back to a previous Deployment.
Example: Roll back to the last successful Deployment
$ oc rollback php
Example: Roll back to a specific version
$ oc rollback php --to-version=3
rollout
Start a new rollout, view its status or history, or roll back to a previous revision of your application.
Example: Roll back to the last successful Deployment
$ oc rollout undo deploymentconfig/php
Example: Start a new rollout for a DeploymentConfig with its latest state
$ oc rollout latest deploymentconfig/php
start-build
Start a build from a BuildConfig or copy an existing build.
Example: Start a build from the specified BuildConfig
$ oc start-build python
Example: Start a build from a previous build
$ oc start-build --from-build=python-1
Example: Set an environment variable to use for the current build
$ oc start-build python --env=mykey=myvalue
Application management CLI commands
annotate
Update the annotations on one or more resources.
Example: Add an annotation to a route
$ oc annotate route/test-route haproxy.router.openshift.io/ip_whitelist="192.168.1.10"
Example: Remove the annotation from the route
$ oc annotate route/test-route haproxy.router.openshift.io/ip_whitelist-
apply
Apply a configuration to a resource by file name or standard in (stdin) in JSON or YAML format.
Example: Apply the configuration in
pod.json to a Pod$ oc apply -f pod.json
autoscale
Autoscale a DeploymentConfig or ReplicationController.
Example: Autoscale to a minimum of two and maximum of five Pods
$ oc autoscale deploymentconfig/parksmap-katacoda --min=2 --max=5
create
Create a resource by file name or standard in (stdin) in JSON or YAML format.
Example: Create a Pod using the content in
pod.json$ oc create -f pod.json
delete
Delete a resource.
Example: Delete a Pod named
parksmap-katacoda-1-qfqz4$ oc delete pod/parksmap-katacoda-1-qfqz4
Example: Delete all Pods with the
app=parksmap-katacoda label$ oc delete pods -l app=parksmap-katacoda
describe
Return detailed information about a specific object.
Example: Describe a Deployment named
example$ oc describe deployment/example
Example: Describe all Pods
$ oc describe pods
edit
Edit a resource.
Example: Edit a DeploymentConfig using the default editor
$ oc edit deploymentconfig/parksmap-katacoda
Example: Edit a DeploymentConfig using a different editor
$ OC_EDITOR="nano" oc edit deploymentconfig/parksmap-katacoda
Example: Edit a DeploymentConfig in JSON format
$ oc edit deploymentconfig/parksmap-katacoda -o json
expose
Expose a Service externally as a route.
Example: Expose a Service
$ oc expose service/parksmap-katacoda
Example: Expose a Service and specify the host name
$ oc expose service/parksmap-katacoda --hostname=www.my-host.com
get
Display one or more resources.
Example: List Pods in the
default namespace$ oc get pods -n default
Example: Get details about the
python DeploymentConfig in JSON format$ oc get deploymentconfig/python -o json
label
Update the labels on one or more resources.
Example: Update the
python-1-mz2rf Pod with the label status set to unhealthy$ oc label pod/python-1-mz2rf status=unhealthy
scale
Set the desired number of replicas for a ReplicationController or a DeploymentConfig.
Example: Scale the
ruby-app DeploymentConfig to three Pods$ oc scale deploymentconfig/ruby-app --replicas=3
secrets
Manage secrets in your project.
Example: Allow
my-pull-secret to be used as an image pull secret by the default service account$ oc secrets link default my-pull-secret --for=pull
Troubleshooting and debugging CLI commands
attach
Attach the shell to a running container.
Example: Get output from the
python container from Pod python-1-mz2rf$ oc attach python-1-mz2rf -c python
cp
Copy files and directories to and from containers.
Example: Copy a file from the
python-1-mz2rf Pod to the local file system$ oc cp default/python-1-mz2rf:/opt/app-root/src/README.md ~/mydirectory/.
debug
Launch a command shell to debug a running application.
Example: Debug the
python Deployment$ oc debug deploymentconfig/python
exec
Execute a command in a container.
Example: Execute the
ls command in the python container from Pod python-1-mz2rf$ oc exec python-1-mz2rf -c python ls
logs
Retrieve the log output for a specific build, BuildConfig, DeploymentConfig, or Pod.
Example: Stream the latest logs from the
python DeploymentConfig$ oc logs -f deploymentconfig/python
port-forward
Forward one or more local ports to a Pod.
Example: Listen on port
8888 locally and forward to port 5000 in the Pod$ oc port-forward python-1-mz2rf 8888:5000
proxy
Run a proxy to the Kubernetes API server.
Example: Run a proxy to the API server on port
8011 serving static content from ./local/www/$ oc proxy --port=8011 --www=./local/www/
rsh
Open a remote shell session to a container.
Example: Open a shell session on the first container in the
python-1-mz2rf Pod$ oc rsh python-1-mz2rf
rsync
Copy contents of a directory to or from a running Pod container. Only changed
files are copied using the rsync command from your operating system.
Example: Synchronize files from a local directory with a Pod directory
$ oc rsync ~/mydirectory/ python-1-mz2rf:/opt/app-root/src/
Advanced developer CLI commands
api-resources
Display the full list of API resources that the server supports.
Example: List the supported API resources
$ oc api-resources
api-versions
Display the full list of API versions that the server supports.
Example: List the supported API versions
$ oc api-versions
auth
Inspect permissions and reconcile RBAC roles.
Example: Check whether the current user can read Pod logs
$ oc auth can-i get pods --subresource=log
Example: Reconcile RBAC roles and permissions from a file
$ oc auth reconcile -f policy.json
cluster-info
Display the address of the master and cluster services.
Example: Display cluster information
$ oc cluster-info
convert
Convert a YAML or JSON configuration file to a different API version and print to standard output (stdout).
Example: Convert
pod.yaml to the latest version$ oc convert -f pod.yaml
extract
Extract the contents of a ConfigMap or secret. Each key in the ConfigMap or secret is created as a separate file with the name of the key.
Example: Download the contents of the
ruby-1-ca ConfigMap to the current directory$ oc extract configmap/ruby-1-ca
Example: Print the contents of the
ruby-1-ca ConfigMap to stdout$ oc extract configmap/ruby-1-ca --to=-
idle
Idle scalable resources. An idled Service will automatically become unidled when
it receives traffic or it can be manually unidled using the oc scale command.
Example: Idle the
ruby-app Service$ oc idle ruby-app
image
Manage images in your OpenShift Container Platform cluster.
Example: Copy an image to another tag
$ oc image mirror myregistry.com/myimage:latest myregistry.com/myimage:stable
observe
Observe changes to resources and take action on them.
Example: Observe changes to Services
$ oc observe services
patch
Updates one or more fields of an object using strategic merge patch in JSON or YAML format.
Example: Update the
spec.unschedulable field for node node1 to true$ oc patch node/node1 -p '{"spec":{"unschedulable":true}}'
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If you must patch a Custom Resource Definition, you must include the
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policy
Manage authorization policies.
Example: Add the
edit role to user1 for the current project$ oc policy add-role-to-user edit user1
process
Process a template into a list of resources.
Example: Convert
template.json to a resource list and pass to oc create$ oc process -f template.json | oc create -f -
Settings CLI commands
completion
Output shell completion code for the specified shell.
Example: Display completion code for Bash
$ oc completion bash
Other developer CLI commands
help
Display general help information for the CLI and a list of available commands.
Example: Display available commands
$ oc help
Example: Display the help for the
new-project command$ oc help new-project