Update RabbitMQ and add configuration for Users and VHosts (#327)

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit


- **New Features**
- Updated RabbitMQ chart version to 0.4.0 and application version to
3.13.2.
- Added new configuration options for users and virtual hosts in the
application.
- Introduced a new Kubernetes Role for managing access to secrets and
services.
- Enhanced RabbitMQ configuration for automated user and permission
management.

- **Documentation**
- Improved README with a section on configuration parameters for better
user guidance.

- **Chores**
- Added a new YAML configuration file for comprehensive RabbitMQ cluster
management.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

packages/apps/rabbitmq/Chart.yaml

@@ -16,10 +16,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.3.0
+version: 0.4.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "3.12.2"
+appVersion: "3.13.2"

packages/apps/rabbitmq/README.md

@@ -19,3 +19,10 @@ The service utilizes official RabbitMQ operator. This ensures the reliability an
 | `size`         | Persistent Volume size                          | `10Gi`  |
 | `replicas`     | Number of RabbitMQ replicas                     | `3`     |
 | `storageClass` | StorageClass used to store the data             | `""`    |
+
+### Configuration parameters
+
+| Name     | Description                 | Value |
+| -------- | --------------------------- | ----- |
+| `users`  | Users configuration         | `{}`  |
+| `vhosts` | Virtual Hosts configuration | `{}`  |

packages/apps/rabbitmq/templates/dashboard-resourcemap.yaml

@@ -0,0 +1,22 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ .Release.Name }}-dashboard-resources
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - secrets
+  resourceNames:
+  - {{ .Release.Name }}-default-user
+  {{- range $name, $u := .Values.users }}
+  - {{ $.Release.Name }}-{{ kebabcase $name }}-credentials
+  {{- end }}
+  verbs: ["get", "list", "watch"]
+- apiGroups:
+  - ""
+  resources:
+  - services
+  resourceNames:
+  - {{ .Release.Name }}
+  verbs: ["get", "list", "watch"]

packages/apps/rabbitmq/templates/rabbitmq.yaml

@@ -17,3 +17,81 @@ spec:
     storageClassName: {{ . }}
     {{- end }}
     storage: {{ .Values.size }}
+
+{{- range $user, $u := .Values.users }}
+
+{{- $password := $u.password }}
+{{- if not $password }}
+{{- with (dig "data" "password" "" (lookup "v1" "Secret" $.Release.Namespace (printf "%s-%s-credentials" $.Release.Name (kebabcase $user)))) }}
+{{- $password = b64dec . }}
+{{- end }}
+{{- end }}
+{{- if not $password }}
+{{- $password = (randAlphaNum 16) }}
+{{- end }}
+
+---
+apiVersion: rabbitmq.com/v1beta1
+kind: User
+metadata:
+  name: {{ $.Release.Name }}-{{ kebabcase $user }}
+  annotations:
+    config: '{{ printf "%s %s" $user $password | sha256sum }}'
+spec:
+  importCredentialsSecret:
+    name: {{ $.Release.Name }}-{{ $user }}-credentials
+  rabbitmqClusterReference:
+    name: {{ $.Release.Name }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ $.Release.Name }}-{{ kebabcase $user }}-credentials
+type: Opaque
+stringData:
+  username: {{ $user }}
+  password: {{ $password }}
+{{- end }}
+
+{{- range $host, $h := .Values.vhosts }}
+---
+apiVersion: rabbitmq.com/v1beta1
+kind: Vhost
+metadata:
+  name: {{ $.Release.Name }}-{{ kebabcase $host }}
+spec:
+  name: {{ $host }}
+  rabbitmqClusterReference:
+    name: {{ $.Release.Name }}
+{{- range $user := $h.roles.admin }}
+---
+apiVersion: rabbitmq.com/v1beta1
+kind: Permission
+metadata:
+  name: {{ $.Release.Name }}-{{ kebabcase $host }}-{{ kebabcase $user }}
+spec:
+  vhost: "{{ $host }}"
+  user: "{{ $user }}"
+  permissions:
+    write: ".*"
+    configure: ".*"
+    read: ".*"
+  rabbitmqClusterReference:
+    name: {{ $.Release.Name }}
+{{- end }}
+{{- range $user := $h.roles.readonly }}
+---
+apiVersion: rabbitmq.com/v1beta1
+kind: Permission
+metadata:
+  name: {{ $.Release.Name }}-{{ kebabcase $host }}-{{ kebabcase $user }}
+spec:
+  vhost: "{{ $host }}"
+  user: "{{ $user }}"
+  permissions:
+    read: ".*"
+  rabbitmqClusterReference:
+    name: {{ $.Release.Name }}
+{{- end }}
+
+{{- end }}

packages/apps/rabbitmq/values.schema.json

@@ -21,6 +21,11 @@
             "type": "string",
             "description": "StorageClass used to store the data",
             "default": ""
+        },
+        "vhosts": {
+            "type": "object",
+            "description": "Virtual Hosts configuration",
+            "default": {}
         }
     }
 }

packages/apps/rabbitmq/values.yaml

@@ -9,3 +9,33 @@ external: false
 size: 10Gi
 replicas: 3
 storageClass: ""
+
+## @section Configuration parameters
+
+## @param users [object] Users configuration
+## Example:
+## users:
+##   user1:
+##     password: strongpassword
+##   user2:
+##     password: hackme
+##   user3:
+##     password: testtest
+##
+users: {}
+
+## @param vhosts Virtual Hosts configuration
+## Example:
+## vhosts:
+##   myapp:
+##     roles:
+##       admin:
+##       - user1
+##       - user2
+##       readonly:
+##       - user3
+##   test:
+##     roles:
+##       admin:
+##       - user3
+vhosts: {}

packages/system/rabbitmq-operator/Makefile

@@ -8,3 +8,6 @@ update:
 	wget -O templates/cluster-operator.yml https://github.com/rabbitmq/cluster-operator/releases/latest/download/cluster-operator.yml
 	yq -i 'del(select(.kind=="Namespace"))' templates/cluster-operator.yml
 	sed -i 's/rabbitmq-system/$(NAMESPACE)/g' templates/cluster-operator.yml
+	wget -O templates/messaging-topology-operator.yml https://github.com/rabbitmq/messaging-topology-operator/releases/latest/download/messaging-topology-operator-with-certmanager.yaml
+	yq -i 'del(select(.kind=="Namespace"))' templates/messaging-topology-operator.yml
+	sed -i 's/rabbitmq-system/$(NAMESPACE)/g' templates/messaging-topology-operator.yml