Chapter 5. OpenShift basics in CodeReady Studio

CodeReady Studio includes OpenShift Application Explorer view, which provides a simplified user experience allowing easy and rapid feedback through the inner loop as well as debugging.

5.1. Setting up OpenShift Application Explorer view

The following section describes how to open OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.

  2. Click Window → Show View → Other.

    crs window show view other

    The Show View window appears.

    crs select openshift app explorer
  3. Enter OpenShift in the search field.
  4. Select OpenShift Application Explorer.

  5. Click Open.

    The OpenShift Application Explorer view appears.

crs openshift app explorer view

5.2. Connecting to the OpenShift cluster using OpenShift Application Explorer

The following section describes how to login to the OpenShift cluster in CodeReady Studio using OpenShift Application Explorer.

Procedure

  1. Start CodeReady Studio.
  2. Open OpenShift Application Explorer.

  3. Click Can’t connect to cluster. Click to login.

    login to openshift cluster

    The Login window appears.

    crs login credentials os cluster
  4. Enter your login credentials.
  5. Click the Finish button.

Your projects now appear in the OpenShift Application Explorer view.

5.3. Creating a new launcher project

The following section describes how to create a new launcher project in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.

  2. Press Ctrl+N.

    The Select a wizard window appears.

    crs launcher project wizard
  3. Enter Launcher in the search field.
  4. Select Launcher project.

  5. Click Next.

    The New Launcher project window appears.

    crs launcher project creation
  6. Set your preferred Mission.
  7. Set your preferred Runtime.
  8. Name your project.
  9. Select the location for your project.

  10. Click the Finish button.

    Note that the process of resolving dependencies might take some time to complete.

Your newly created launcher project is now listed in the Project Explorer view.

5.4. Creating a new project using OpenShift Application Explorer

The following section describes how to create a new project using OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.
  2. Start OpenShift Application Explorer.

  3. Right-click any place in OpenShift Application Explorer → New → Project.

    crs os project

    The New project window appears.

    crs os new project window
  4. Name your project.
  5. Click OK.

Your newly created project is now listed in the OpenShift Application Explorer view.

5.5. Creating a new component using OpenShift Application Explorer

The following section describes how to create a new component using OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.
  2. Start OpenShift Application Explorer.

  3. Right-click the target Project → New → Component.

    crs os new component

    The Create component window appears.

    crs os create component window
  4. Name your project.
  5. Click Browse to select the Eclipse Project.
  6. Set your preferred Component type.
  7. Set your preferred Component version.
  8. Name your application.
  9. Clear the Push after create check box.

  10. Click Finish.

    The Console view appears, displaying the validation process.

Your newly created component is now listed in the OpenShift Application Explorer view under your project.

5.6. Deploying a component on cluster using OpenShift Application Explorer

The following section describes how to deploy a component on cluster using OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.
  2. Start OpenShift Application Explorer.
  3. Expand your project.
  4. Expand your application.

  5. Right-click your component → Push.

    crs os push

    The Console view appears, displaying the process of file synchronization.

5.7. Defining an external access URL using OpenShift Application Explorer

The following section describes how to define an external access URL using OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.
  2. Start OpenShift Application Explorer.
  3. Expand your project.
  4. Expand your application.

  5. Right-click your component → New → URL.

    crs os new url

    The Create URL window appears.

    crs os create url window
  6. Name your URL.
  7. Set Port value to 8080.

  8. Click Finish.

    The Console view appears, displaying the process of URL creation.

  9. In OpenShift Application Explorer, right-click your component → Push.

    crs os push

    The Console view appears, displaying the process of file synchronization.

Your newly created URL is now listed in the OpenShift Application Explorer view under your component.

5.8. Debugging an application on the cluster using OpenShift Application Explorer

The following section describes how to debug a component using OpenShift Application Explorer in CodeReady Studio.

Procedure

  1. Start CodeReady Studio.
  2. Start OpenShift Application Explorer.
  3. Expand your project.
  4. Expand your application.

  5. Right-click your component → Debug.

    crs os debug

    The Console view appears.

  6. In OpenShift Application Explorer, expand your component.

  7. Right-click your url → Open in Browser.

    crc os open in browser

    The Confirm Perspective Switch window appears.

  8. Click Switch.

    The Debug Perspective window appears displaying the debugging process.