--- /dev/null
+# Copyright 2021 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+options:
+ advertised-hostname:
+ description: Advertised hostname
+ type: string
+ default: "prometheus"
+ advertised-port:
+ description: Prometheus Port
+ type: int
+ default: 9090
+ web-subpath:
+ description: Subpath for accessing Prometheus
+ type: string
+ default: /
+ default-target:
+ description: Default target to be added in Prometheus
+ type: string
+ default: ""
+ prometheus-image:
+ type: string
+ description: OCI image
+ default: rocks.canonical.com:443/prom/prometheus:latest
+ alpine-image:
+ type: string
+ description: OCI image
+ default: rocks.canonical.com:443/alpine:latest