[ISV-5998] Give OPM access to registry (#828)

* [ISV-5998] Give OPM access to registry

Author: mantomas

ansible/roles/operator-pipeline/templates/openshift/tasks/build-fbc-scratch-catalog.yml

@@ -62,7 +62,12 @@ spec:
 
         EXTRA_ARGS=""
         if [[ "$(workspaces.credentials.bound)" == "true" ]]; then
-          EXTRA_ARGS+=" --authfile $(workspaces.credentials.path)/.dockerconfigjson"
+          DOCKERCONFIGJSON="$(workspaces.credentials.path)/.dockerconfigjson"
+          EXTRA_ARGS+=" --authfile $DOCKERCONFIGJSON"
+
+          # OPM reads the config location from env var and cannot be provided as a parameter
+          # this will expose the config path to the OPM tool
+          export REGISTRY_AUTH_FILE=$DOCKERCONFIGJSON
         fi
 
         # The registry pull-spec is in following format:

ansible/roles/operator-pipeline/templates/openshift/tasks/buildah.yml

@@ -64,9 +64,7 @@ spec:
       optional: true
     - name: dockerconfig
       description: >-
-        An optional workspace that allows providing a .docker/config.json file
-        for Buildah to access the container registry.
-        The file should be placed at the root of the Workspace with name config.json.
+        An optional workspace that provides a .dockerconfigjson file
       optional: true
   results:
     - name: IMAGE_DIGEST