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AirGapImageConfiguration.md

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Air Gap environment (aka disconnected environment)

When we have our cluster on a air gap or proxy environment, we need to copy the actual images into our custom registry and update image details via environment variables on the operator deployment under the container tekton-operator-lifecycle as follows, This will allow us to use images from our custom registry.

Sample: images as environment variable in operator deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: tekton-operator
  namespace: tekton-operator
spec:
  template:
    spec:
      containers:
        - name: tekton-operator-lifecycle
          env:
            - name: IMAGE_DASHBOARD_TEKTON_DASHBOARD
              value: custom-example.com/tektoncd/dashboard:v0.48.0
            - name: IMAGE_JOB_PRUNER_TKN
              value: custom-example.com/tektoncd/tkn:v0.31.0

List of image environment variables

Images supported in kubernetes

Component Container/Args name Environment Variable
Chains tekton-chains-controller IMAGE_CHAINS_TEKTON_CHAINS_CONTROLLER
Dashboard tekton-dashboard IMAGE_DASHBOARD_TEKTON_DASHBOARD
Hub tekton-hub-api IMAGE_HUB_TEKTON_HUB_API
Hub tekton-hub-db IMAGE_HUB_TEKTON_HUB_DB
Hub tekton-hub-db-migration IMAGE_HUB_TEKTON_HUB_DB_MIGRATION
Hub tekton-hub-ui IMAGE_HUB_TEKTON_HUB_UI
Manual Approval Gate manual-approval IMAGE_MAG_MANUAL_APPROVAL
Manual Approval Gate tekton-taskgroup-controller IMAGE_MAG_TEKTON_TASKGROUP_CONTROLLER
Pipeline arg:entrypoint-image IMAGE_PIPELINES_ARG__ENTRYPOINT_IMAGE
Pipeline arg:git-image IMAGE_PIPELINES_ARG__GIT_IMAGE
Pipeline arg:nop-image IMAGE_PIPELINES_ARG__NOP_IMAGE
Pipeline arg:shell-image IMAGE_PIPELINES_ARG__SHELL_IMAGE
Pipeline arg:shell-image-win IMAGE_PIPELINES_ARG__SHELL_IMAGE_WIN
Pipeline arg:workingdirinit-image IMAGE_PIPELINES_ARG__WORKINGDIRINIT_IMAGE
Pipeline controller IMAGE_PIPELINES_CONTROLLER
Pipeline tekton-events-controller IMAGE_PIPELINES_TEKTON_EVENTS_CONTROLLER
Pipeline tekton-pipelines-controller IMAGE_PIPELINES_TEKTON_PIPELINES_CONTROLLER
Pipeline webhook IMAGE_PIPELINES_WEBHOOK
Results api IMAGE_RESULTS_API
Results postgres IMAGE_RESULTS_POSTGRES
Results watcher IMAGE_RESULTS_WATCHER
Triggers arg:el-image IMAGE_TRIGGERS_ARG__EL_IMAGE
Triggers tekton-triggers-controller IMAGE_TRIGGERS_TEKTON_TRIGGERS_CONTROLLER
Triggers tekton-triggers-core-interceptors IMAGE_TRIGGERS_TEKTON_TRIGGERS_CORE_INTERCEPTORS
Triggers webhook IMAGE_TRIGGERS_WEBHOOK
Pipelines Proxy webhook Proxy image IMAGE_PIPELINES_PROXY
Pruner CronJob image used in pruner cronJob IMAGE_JOB_PRUNER_TKN

Images supported in OpenShift

Supports all the images listed above in kubernetes and following are specific to OpenShift

Component Container/Args name Environment Variable
Pipeline-as-code pac-controller IMAGE_PAC_PAC_CONTROLLER
Pipeline-as-code pac-webhook IMAGE_PAC_PAC_WEBHOOK
Pipeline-as-code pac-watcher IMAGE_PAC_PAC_WATCHER
Console Plugin console-plugin IMAGE_PIPELINES_CONSOLE_PLUGIN
Results retention-policy-agent IMAGE_RESULTS_RETENTION_POLICY_AGENT
Addons IMAGE_ADDONS_BUILD
Addons IMAGE_ADDONS_GENERATE
Addons IMAGE_ADDONS_GEN_ENV_FILE
Addons IMAGE_ADDONS_GIT_RUN
Addons IMAGE_ADDONS_KN
Addons IMAGE_ADDONS_LOAD_SCRIPTS
Addons IMAGE_ADDONS_MAVEN_GENERATE
Addons IMAGE_ADDONS_MAVEN_GOALS
Addons IMAGE_ADDONS_MVN_SETTINGS
Addons IMAGE_ADDONS_OC
Addons IMAGE_ADDONS_PARAM_BUILDER_IMAGE
Addons IMAGE_ADDONS_PARAM_GITINITIMAGE
Addons IMAGE_ADDONS_PARAM_KN_IMAGE
Addons IMAGE_ADDONS_PARAM_MAVEN_IMAGE
Addons IMAGE_ADDONS_PARAM_TKN_IMAGE
Addons IMAGE_ADDONS_PREPARE
Addons IMAGE_ADDONS_REPORT
Addons IMAGE_ADDONS_S2I_BUILD
Addons IMAGE_ADDONS_S2I_GENERATE
Addons IMAGE_ADDONS_SKOPEO_COPY
Addons IMAGE_ADDONS_SKOPEO_RESULTS
Addons IMAGE_ADDONS_TKN
Addons IMAGE_ADDONS_TKN_CLI_SERVE