feat: Integrate single kernel (#384)

* feat: Integrate single kernel charm

* fix: time precision

* fix: charm name + copyright year

* fix: create index for continuous writes

* feat: Use v0.0.1

* fix: rename

* fix: stop after attempt instead of stop after delay

* fix: ha + try fix logical backup count AWS

Author: Gu1nness

.github/workflows/ci.yaml

@@ -44,7 +44,7 @@ jobs:
 
   unit-test:
     name: Unit test charm
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 25 # TODO: reduce to 5 minutes
     steps:
       - name: Checkout

.gitignore

@@ -19,3 +19,4 @@ share/
 /requirements.txt
 /requirements-last-build.txt
 /charm_internal_version
+/charm_version.backup

actions.yaml

@@ -1,3 +1,9 @@
+# Copyright 2025 Canonical Ltd.
+# See LICENSE file for licensing details.
+#
+get-primary:
+  description: Report primary replica
+
 get-password:
   description: Change the system user's password used by charm.
     It is for internal charm users and SHOULD NOT be used by applications.
@@ -60,3 +66,8 @@ resume-refresh:
         Use to
         - force incompatible refresh and/or
         - continue refresh if 1+ refreshed units have non-active status
+
+force-refresh-start:
+  description: |
+    Force refresh of this unit.
+    Potential of data loss and downtime.

charmcraft.yaml

@@ -96,4 +96,3 @@ parts:
       - LICENSE
       - charm_version
       - workload_version
-      - templates