Merge pull request #7 from gnuoy/quorum-queues

Manage quorum queues

.github/workflows/release-edge.yaml

@@ -48,4 +48,4 @@ jobs:
         with:
           credentials: "${{ secrets.CHARMHUB_TOKEN }}"
           github-token: "${{ secrets.GITHUB_TOKEN }}"
-          channel: 3.9/edge
+          channel: 3.12/edge

.gitignore

@@ -1,6 +1,7 @@
 venv/
 build/
 *.charm
+*.swp
 .tox
 venv
 .coverage

actions.yaml

@@ -19,3 +19,94 @@ get-service-account:
     - username
     - vhost
   additionalProperties: False
+
+ensure-queue-ha:
+  description: |
+    Check for queues that have insufficent memebers for high
+    availability and, if possible, add members to them.
+  params:
+    dry-run:
+      type: boolean
+      default: false
+      description: |
+        Report on what memberships would change if the command was
+        run and warn about any queues that cannot be fixed.
+
+rebalance-quorum:
+  description: |
+    Rebalance queue leaders to that they are evenly balanced
+    across the cluster.
+
+add-member:
+  description: Add member to queue
+  params:
+    queue-name:
+      type: string
+      description: |
+        Name of queue to add the member to.
+    unit-name:
+      type: string
+      description: |
+        Juju unit name of the node to be added to the queue
+    vhost:
+      type: string
+      description: |
+        vhost that the queue resides in.
+  required: [queue-name, unit-name]
+
+delete-member:
+  description: Remove member from queue
+  params:
+    queue-name:
+      type: string
+      description: |
+        Name of queue to remove the member from.
+    unit-name:
+      type: string
+      description: |
+        Juju unit name of the node to be removed from the queue
+    vhost:
+      type: string
+      description: |
+        vhost that the queue resides in.
+  required: [queue-name, unit-name]
+
+grow:
+  description: |
+   Adds a new replica on the given node for all or a half
+   of matching quorum queues.
+  params:
+    selector:
+      type: string
+      description: |
+        Valid values are "all" or even"
+    unit-name:
+      type: string
+      description: |
+        Juju unit name of the node to have queues added
+    vhost-pattern:
+      type: string
+      description: |
+        Match vhosts to be added to the node
+    queue-pattern:
+      type: string
+      description: |
+        Match queues to be added to the node
+  required: [unit-name, selector]
+
+shrink:
+  description: |
+   Shrinks quorum queue clusters by removing any members (replicas)
+   on the given node.
+  params:
+    unit-name:
+      type: string
+      description: |
+        Juju unit name of the node to have queues added
+    error-only:
+      type: boolean
+      default: false
+      description: |
+       Only list queues which reported an error
+  required: [unit-name]
+

config.yaml

@@ -2,4 +2,7 @@
 # See LICENSE file for licensing details.
 
 options:
-    {}
+  minimum-replicas:
+    default: 3
+    description: Minimum number of queues replicas, set to 0 to disable charm automatically managing queue replicas
+    type: int

metadata.yaml

@@ -17,7 +17,7 @@ resources:
   rabbitmq-image:
     type: oci-image
     description: OCI image for rabbitmq
-    upstream-source: ghcr.io/openstack-snaps/rabbitmq:3.9.13
+    upstream-source: ghcr.io/openstack-snaps/rabbitmq:3.12.1
 
 storage:
   rabbitmq-data: