feat(argocd-image-updater): Add ability to mount authentication scripts (#987)

charts/argocd-image-updater/values.yaml

@@ -71,6 +71,27 @@ config:
     #   ping: no
     #   prefix: quay.io
     #   credentials: env:REGISTRY_SECRET
+    # - name: ECR
+    #   api_url: https://123456789.dkr.ecr.eu-west-1.amazonaws.com
+    #   prefix: 123456789.dkr.ecr.eu-west-1.amazonaws.com
+    #   ping: yes
+    #   insecure: no
+    #   credentials: ext:/scripts/auth1.sh
+    #   credsexpire: 10h
+
+# whether to mount authentication scripts, if enabled, the authentication scripts will be mounted on /scripts that can be used to authenticate with registries (ECR)
+# refer to https://argocd-image-updater.readthedocs.io/en/stable/configuration/registries/#specifying-credentials-for-accessing-container-registries for more info
+authScripts:
+  # -- Whether to mount the defined scripts that can be used to authenticate with a registry, the scripts will be mounted at `/scripts`
+  enabled: false
+  # -- Map of key-value pairs where the key consists of the name of the script and the value the contents
+  scripts: {}
+    # auth1.sh: |
+    #   #!/bin/sh
+    #   echo "auth script 1 here"
+    # auth2.sh: |
+    #   #!/bin/sh
+    #   echo "auth script 2 here"
 
 serviceAccount:
   # -- Specifies whether a service account should be created