OpenShift Deployment Operations

External

• https://docs.openshift.com/container-platform/3.6/dev_guide/deployments/basic_deployment_operations.html

Internal

• OpenShift Concepts - Deployments
• OpenShift Operations
• Build Operations

View Deployments for Project

oc get deploy

The deployments returned by this list are backed by deployment pods, which can be retrieved with

oc get pods

View Deployment Logs

View deployment logs for a deployment:

oc logs -f deploy/<deploy-object-name>

Starting a Deployment

oc rollout latest dc/<deploymentconfig-name>

This will start the number of replicas specified in ?

oc scale dc logging-es-3fs5ghyo --replicas=1

scaling the pod instead of the deploymentconfig may modify the deployment config. Verify

Assigning Pods to Specific Nodes

https://docs.openshift.com/container-platform/3.6/dev_guide/deployments/basic_deployment_operations.html#assigning-pods-to-specific-nodes

Assigning a Pod to Nodes that Match a Node Selector

Edit the DeploymentConfig that defines the pod:

oc edit dc/<pod-name>

Inject the node selector specification under

spec:
  ...
  template:
    ...
    spec:
      ...
      nodeSelector:
        keyA: valueA

Restart the corresponding pod, by simply deleting it.

For more details on concepts related to pod placement, see:

Pod Placement