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Customizing the web console in OKD

You can customize the OKD web console to set a custom logo, product name, links, notifications, and command line downloads. This is especially helpful if you need to tailor the web console to meet specific corporate or government requirements.

Adding a custom logo and product name

You can create custom branding by adding a custom logo or custom product name. You can set both or one without the other, as these settings are independent of each other.

Prerequisites

  • You must have administrator privileges.

  • Create a file of the logo that you want to use. The logo can be a file in any common image format, including GIF, JPG, PNG, or SVG, and is constrained to a max-height of 60px.

Procedure

  1. Import your logo file into a config map in the openshift-config namespace:

    $ oc create configmap console-custom-logo --from-file /path/to/console-custom-logo.png -n openshift-config
    apiVersion: v1
kind: ConfigMap
metadata:
  name: console-custom-logo
  namespace: openshift-config
data:
  console-custom-logo.png: <base64-encoded_logo> ... (1)
    1 Provide a valid base64 encoded logo.

  2. Edit the web console’s Operator configuration to include customLogoFile and customProductName:

    $ oc edit consoles.operator.openshift.io cluster
    apiVersion: operator.openshift.io/v1
kind: Console
metadata:
  name: cluster
spec:
  customization:
    customLogoFile:
      key: console-custom-logo.png
      name: console-custom-logo
    customProductName: My Console

    Once the Operator configuration is updated, it will sync the custom logo config map into the console namespace, mount it to the console pod, and redeploy.

  3. Check for success. If there are any issues, the console cluster Operator will report a Degraded status, and the console Operator configuration will also report a CustomLogoDegraded status, but with reasons like KeyOrFilenameInvalid or NoImageProvided.

    To check the clusteroperator, run:

    $ oc get clusteroperator console -o yaml

    To check the console Operator configuration, run:

    $ oc get consoles.operator.openshift.io -o yaml
Prerequisites

  • You must have administrator privileges.

Procedure

  1. From Administration → Custom Resource Definitions, click on ConsoleLink.

  2. Select Instances tab

  3. Click Create Console Link and edit the file:

    apiVersion: console.openshift.io/v1
kind: ConsoleLink
metadata:
  name: example
spec:
  href: 'https://www.example.com'
  location: HelpMenu (1)
  text: Link 1
    1 Valid location settings are HelpMenu, UserMenu, ApplicationMenu, and NamespaceDashboard.

    To make the custom link appear in all namespaces, follow this example:

    apiVersion: console.openshift.io/v1
kind: ConsoleLink
metadata:
  name: namespaced-dashboard-link-for-all-namespaces
spec:
  href: 'https://www.example.com'
  location: NamespaceDashboard
  text: This appears in all namespaces

    To make the custom link appear in only some namespaces, follow this example:

    apiVersion: console.openshift.io/v1
kind: ConsoleLink
metadata:
  name: namespaced-dashboard-for-some-namespaces
spec:
  href: 'https://www.example.com'
  location: NamespaceDashboard
  # This text will appear in a box called "Launcher" under "namespace" or "project" in the web console
  text: Custom Link Text
  namespaceDashboard:
    namespaces:
    # for these specific namespaces
    - my-namespace
    - your-namespace
    - other-namespace

    To make the custom link appear in the application menu, follow this example:

    apiVersion: console.openshift.io/v1
kind: ConsoleLink
metadata:
  name: application-menu-link-1
spec:
  href: 'https://www.example.com'
  location: ApplicationMenu
  text: Link 1
  applicationMenu:
    section: My New Section
    # image that is 24x24 in size
    imageURL: https://via.placeholder.com/24

  4. Click Save to apply your changes.

Customizing the web console URL

You can update the web console URL, consoleURL, to a custom value.

Procedure

  1. Modify the cluster instance created by default during installation in the consoles.operator.openshift.io custom resource:

    $ oc patch consoles.operator.openshift.io cluster --patch '{"spec":{"route":{"hostname":"console.example.com"}}}' --type=merge
    apiVersion: operator.openshift.io/v1
kind: Console
metadata:
  name: cluster
spec:
  route:
    hostname: 'console.example.com'

  2. If you specify a custom certificate, you must create a secret in the openshift-config namespace that has the key and certificate. For example:

    $ oc create secret tls console-tls --key=key.pem --cert=cert.pem -n openshift-config
    apiVersion: v1
kind: Secret
metadata:
  name: console-tls
  namespace: openshift-config
type: kubernetes.io/tls
data:
  tls.crt: >-
        <base64-encoded_cert> ... (1)
  tls.key: >-
        <base64-encoded_key> ... (2)
    1 Provide a valid TLS certificate.
    2 Provide a valid TLS key.

    Then, edit the web console’s Operator configuration:

    $ oc edit consoles.operator.openshift.io cluster

    Add the following stanza to the configuration resource:

    spec:
  route:
    hostname: console.example.com
    secret:
      name: console-tls

Customizing the login page

Create Terms of Service information with custom login pages. Custom login pages can also be helpful if you use a third-party login provider, such as GitHub or Google, to show users a branded page that they trust and expect before being redirected to the authentication provider. You can also render custom error pages during the authentication process.

Customizing the error template is limited to identity providers (IDPs) that use redirects, such as request header and OIDC-based IDPs. It does not have an effect on IDPs that use direct password authentication, such as LDAP and HTPasswd.
Prerequisites

  • You must have administrator privileges.

Procedure

  1. Run the following commands to create templates you can modify:

    $ oc adm create-login-template > login.html
    $ oc adm create-provider-selection-template > providers.html
    $ oc adm create-error-template > errors.html

  2. Create the secrets:

    $ oc create secret generic login-template --from-file=login.html -n openshift-config
    $ oc create secret generic providers-template --from-file=providers.html -n openshift-config
    $ oc create secret generic error-template --from-file=errors.html -n openshift-config

  3. Run:

    $ oc edit oauths cluster

  4. Update the specification:

    spec:
  templates:
    error:
        name: error-template
    login:
        name: login-template
    providerSelection:
        name: providers-template

    Run oc explain oauths.spec.templates to understand the options.

If you are connected to a service that helps you browse your logs, but you need to generate URLs in a particular way, then you can define a template for your link.

Prerequisites

  • You must have administrator privileges.

Procedure

  1. From Administration → Custom Resource Definitions, click on ConsoleExternalLogLink.

  2. Select Instances tab

  3. Click Create Console External Log Link and edit the file:

    apiVersion: console.openshift.io/v1
kind: ConsoleExternalLogLink
metadata:
  name: example
spec:
  hrefTemplate: >-
    https://example.com/logs?resourceName=${resourceName}&containerName=${containerName}&resourceNamespace=${resourceNamespace}&podLabels=${podLabels}
  text: Example Logs

Creating custom notification banners

Prerequisites

  • You must have administrator privileges.

Procedure

  1. From Administration → Custom Resource Definitions, click on ConsoleNotification.

  2. Select Instances tab

  3. Click Create Console Notification and edit the file:

    apiVersion: console.openshift.io/v1
kind: ConsoleNotification
metadata:
  name: example
spec:
  text: This is an example notification message with an optional link.
  location: BannerTop (1)
  link:
    href: 'https://www.example.com'
    text: Optional link text
  color: '#fff'
  backgroundColor: '#0088ce'
    1 Valid location settings are BannerTop, BannerBottom, and BannerTopBottom.

  4. Click Create to apply your changes.

Customizing CLI downloads

You can configure links for downloading the CLI with custom link text and URLs, which can point directly to file packages or to an external page that provides the packages.

Prerequisites

  • You must have administrator privileges.

Procedure

  1. Navigate to Administration → Custom Resource Definitions.

  2. Select ConsoleCLIDownload from the list of Custom Resource Definitions (CRDs).

  3. Click the YAML tab, and then make your edits:

    apiVersion: console.openshift.io/v1
kind: ConsoleCLIDownload
metadata:
  name: example-cli-download-links-for-foo
spec:
  description: |
    This is an example of download links for foo
  displayName: example-foo
  links:
  - href: 'https://www.example.com/public/foo.tar'
    text: foo for linux
  - href: 'https://www.example.com/public/foo.mac.zip'
    text: foo for mac
  - href: 'https://www.example.com/public/foo.win.zip'
    text: foo for windows

  4. Click the Save button.

Adding YAML examples to Kubernetes resources

You can dynamically add YAML examples to any Kubernetes resources at any time.

Prerequisites

  • You must have cluster administrator privileges.

Procedure

  1. From Administration → Custom Resource Definitions, click on ConsoleYAMLSample.

  2. Click YAML and edit the file:

    apiVersion: console.openshift.io/v1
kind: ConsoleYAMLSample
metadata:
  name: example
spec:
  targetResource:
    apiVersion: batch/v1
    kind: Job
  title: Example Job
  description: An example Job YAML sample
  yaml: |
    apiVersion: batch/v1
    kind: Job
    metadata:
      name: countdown
    spec:
      template:
        metadata:
          name: countdown
        spec:
          containers:
          - name: counter
            image: centos:7
            command:
            - "bin/bash"
            - "-c"
            - "for i in 9 8 7 6 5 4 3 2 1 ; do echo $i ; done"
          restartPolicy: Never

    Use spec.snippet to indicate that the YAML sample is not the full YAML resource definition, but a fragment that can be inserted into the existing YAML document at the user’s cursor.

  3. Click Save.