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Overview

This topic reviews how to configure Microsoft Azure Blob Storage for OpenShift integrated Docker registry.

Before You Begin

  • Create a storage container using Microsoft Azure Portal, Microsoft Azure CLI, or Microsoft Azure Storage Explorer. Keep a note of the storage account name, storage account key and container name.

  • Deploy the integrated Docker registry if it is not deployed.

Overriding Registry Configuration

To create a new registry pod and replace the old pod automatically:

  1. Create a new registry configuration file called registryconfig.yaml and add the following information:

    version: 0.1
    log:
      level: debug
    http:
      addr: :5000
    storage:
      cache:
        blobdescriptor: inmemory
      delete:
        enabled: true
      azure: (1)
        accountname: azureblobacc
        accountkey:  azureblobacckey
        container: azureblobname
        realm: core.windows.net (2)
    auth:
      openshift:
        realm: openshift
    middleware:
      registry:
        - name: openshift
      repository:
        - name: openshift
          options:
            acceptschema2: false
            pullthrough: true
            enforcequota: false
            projectcachettl: 1m
            blobrepositorycachettl: 10m
      storage:
        - name: openshift
1 Replace the values for accountname, acountkey, and container with storage account name, storage account key, and storage container name respectively.
2 If using Azure regional cloud, set to the desired realm. For example, core.cloudapi.de for the Germany regional cloud.
  1. Create a new registry configuration:

    $ oc secrets new registry-config config.yaml=registryconfig.yaml
  2. Add the secret:

    $ oc volume dc/docker-registry --add --type=secret \
        --secret-name=registry-config -m /etc/docker/registry/
  3. Set the REGISTRY_CONFIGURATION_PATH environment variable:

    $ oc set env dc/docker-registry \
        REGISTRY_CONFIGURATION_PATH=/etc/docker/registry/config.yaml
  4. If you already created a registry configuration:

    1. Delete the secret:

      $ oc delete secret registry-config
    2. Create a new registry configuration:

      $ oc secrets new registry-config config.yaml=registryconfig.yaml
    3. Update the configuration by starting a new rollout:

      $ oc rollout latest docker-registry