OpenShift Deployment Operations: Difference between revisions

From NovaOrdis Knowledge Base
Jump to navigation Jump to search
Line 21: Line 21:
=View Deployment Logs=
=View Deployment Logs=


<font colo=red>
<font color=red>
View deployment logs for a deployment:
View deployment logs for a deployment:



Revision as of 17:12, 21 November 2017

External

Internal

Overview

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