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A NodeJS application to use in OpenShift
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OpenShift-Demo-NodeJS/doc/CONFIGURE_JENKINS.md

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Configure Jenkins

Login to NPM and generate a token

Log in the NPM registry with:

npm login

And create a new read/write token:

npm token create

Keep the generated token in a safe place !

See the NPM documentation for more information.

Create a credential named npm-secret

Login to Jenkins with your OpenShift credentials and create a Jenkins credential with the following parameters :

  • Scope: global
  • Kind: Username with password
  • Username: npm-secret (or anything else, only the password is used)
  • Password: <the token generated previously>
  • ID: npm-secret

To create a Jenkins Credentials :

  1. Login to the Jenkins admin interface
  2. In the left side menu, click Credentials, then System
  3. Click Global credentials
  4. In the left side menu, click Add Credentials
  5. Fill-in the form
  6. Click OK

Install plugins

Install the two following Jenkins plugins :

Note: the Pipeline Utility Steps plugin might already be installed. In such case, make sure the latest version is installed.

Quick reminder to install a plugin :

  1. Login to the Jenkins admin interface
  2. In the left side menu, click Manage Jenkins
  3. Click Manage Plugins
  4. Select the Available tab
  5. Search for the plugin to install
  6. Check the box next to the plugin to install
  7. Click Download now and install after restart
  8. Do not forget to check the box Restart Jenkins when installation is complete and no jobs are running

Note : to update a plugin, select the Updates tab instead of the Available tab.

Create the Jenkins Pipeline (Manual Install ONLY)

Depending if you created a JenkinsPipeline BuildConfig, OpenShift may have created a Jenkins pipeline for you. In such a case, the Jenkins Pipeline is named <namespace>/<buildconfig-name> and you have nothing more to do.

Whereas if you installed the demo manually, you need to create the pipeline from scratch. If this is the case, create a Jenkins Pipeline that accepts the following parameters :

Parameter Name Parameter Type Default Value Description
NPM_CREDENTIALS_ID String npm-secret The Jenkins Credentials ID that holds the token to login on NPM Registry
OPENSHIFT_IMAGE_STREAM String openshift-demo-nodejs The ImageStream name to use to tag the built images
OPENSHIFT_BUILD_CONFIG String openshift-demo-nodejs The BuildConfig name to use
OPENSHIFT_SERVICE String openshift-demo-nodejs The Service object to update (either green or blue)
OPENSHIFT_DEPLOYMENT_CONFIG String openshift-demo-nodejs The DeploymentConfig name to use
OPENSHIFT_BUILD_PROJECT String demo-build The OpenShift project in which builds are run
OPENSHIFT_TEST_ENVIRONMENT String demo-test The OpenShift project in which we will deploy the test version
OPENSHIFT_PROD_ENVIRONMENT String demo-prod The OpenShift project in which we will deploy the prod version
OPENSHIFT_TEST_URL String http://demo.test.app.openshift.test The App URL in the test environment (to run the integration tests)

Pick the pipeline from GIT using the option Pipeline script from SCM and the following parameters :