luszczynski / openshift-cli

Openshift CLI CheatSheet

Nodes

View all nodes

oc get nodes

View nodes labels

oc get nodes --show-labels

Add label to node

oc label nodes <nodes name> <key=value>

Add label to all nodes

oc label nodes --all <key=value>

Overwrite label

oc label nodes <node name> <key=value> --overwrite

Remove label from node

oc label nodes <node name> <key>-

Get nodes information

oc describe node <node name>

---

The parameter -n <project name> is optional in all commands below although it is recommended in order to avoid any problem or confusion between projects when using Openshift CLI

Pods

View pods for a specific project

oc get po -n <project name>

View nodes each pod is running

oc get po -o wide

Watch for changes on pods

oc get po -w or watch oc get po

View all pods in all projects

oc get po --all-namespace

View all pods and nodes in all projects

oc get po --all-namespace -o wide

View pods logs

oc logs <pods name>

Follow pods logs

oc logs -f <pods name>

View logs from a pod with more than 1 container

oc logs <pods name> -c <containers name>

View logs from the last 30 seconds

oc logs <pods name> --since=30s

View the last 60 lines of logs

oc logs <pods name> --tail=60

Scale your pod to 5 replicas

oc scale dc <dc name> --replicas=5

Scale your pods when you don't have a dc

oc scale rc <rc name> --replicas=5

Remote access to a POD

oc rsh <pod name>

Rsync to a POD

oc rsync <local dir> <pod name>:<remote dir>

---

Projects

View projects

oc get projects

Edit project

oc edit namespace <projects name>

Delete project

oc delete project <projects name>

Create project

oc new-project <projects name> --display-name="<projects display name> --description=<projects description>"

The params display-name and description are optionals

Create project with another admin user

oc adm new-project --admin=<admins name>

Create project with specific node selector

oc adm new-project --node-selector=<node selector>

Create cluster default project

oc adm create-bootstrap-project-template -o yaml > my-template.yaml

Edit it as you want

vi my-template.yaml

Import to the cluster

oc create -f my-template.yaml -n default

Edit master-config.yaml

...
  projectRequestTemplate: "default/project-request"

Add admin role to another user in your project

oc adm policy add-role-to-user admin <user> -n <project>

Label project

oc label project <projects name> key=value

Allow any container to run as root in your project

oc adm add-scc-to-user anyuid -z default -n <project>

---

User

View users

oc get users

Add cluster-admin role to user

oc adm policy add-cluster-role-to-user cluster-admin <user>

Add user permission for create project

oc adm policy add-cluster-role-to-user self-provisioner <user>

Remove user permission for create projects

oc adm policy remove-cluster-role-from-user self-provisioner <user>

Remove permission for all users to create projects

oc adm policy remove-cluster-role-from-user self-provisioner system:authenticated

oc adm policy remove-cluster-role-from-user self-provisioner system:authenticated:oauth

Delete user from Openshift cache

oc delete user <user>

oc delete identity <identity:user>

---

Service Account

Create service account

oc create serviceaccount <service account name

Get service account

oc get sa

Delete service account

oc delete sa <service account>

Edit service account

oc edit sa <service account>

Get token from ServiceAccount

oc serviceaccounts get-token <service account>

Add role/permission to a service account

oc adm police add-role-to-user <role> -z <service account> -n <project>

---

ConfigMap

Create configmap

Clean up

oc adm prune images --confirm

oc adm prune builds --confirm

oc adm prune deploments --confirm

oc adm top images

docker rm $(docker ps -a -q)