DPE-4235, DPE-3262, DPE-4315 Common UX for replication (#452)

* avoid error on relation with blocked cluster as primary

* lint fixes

* secret access is scoped by relation, no need to revoke

* (wip) changes for sync ux with PG

* fixing tests

* naming and tests fixes

* refactor jargon

* renaming misses and bump flake8 for python 3.12 support

* cluster-set name required on relation creation for validations

* wait for cluster initialization

* bump black to match system

* add the create-replication on last test

* support for password propagation

* update to juju 3.4.3 with assumes

Author: paulomach

.github/workflows/ci.yaml

@@ -68,7 +68,7 @@ jobs:
           - agent: 2.9.49  # renovate: juju-agent-pin-minor
             libjuju: ^2
             allure: false
-          - agent: 3.1.8  # renovate: juju-agent-pin-minor
+          - agent: 3.4.3  # renovate: juju-agent-pin-minor
             allure: true
     name: Integration test charm | ${{ matrix.juju.agent }}
     needs:

actions.yaml

@@ -59,10 +59,20 @@ restore:
 pre-upgrade-check:
   description: Run necessary pre-upgrade checks and preparations before executing a charm refresh.
 
-promote-standby-cluster:
+create-replication:
   description: |
-    Promotes this cluster to become the leader in the cluster-set. Used for safe switchover or failover.
-    Must be run against the charm leader unit of a standby cluster.
+    Create replication between two related clusters.
+    This action is must be run on the offer side of the relation.
+  params:
+    name:
+      type: string
+      description: A (optional) name for this replication.
+      default: default
+
+promote-to-primary:
+  description: |
+    Promotes this cluster to become the primary in the cluster-set. Used for safe switchover or failover.
+    Can only be run against the charm leader unit of a standby cluster.
   params:
     cluster-set-name:
       type: string
@@ -83,24 +93,6 @@ recreate-cluster:
     each unit will be kept in blocked status. Recreating the cluster allows to rejoin the async replication
     relation, or usage as a standalone cluster.
 
-fence-writes:
-  description: |
-    Stops write traffic to a primary cluster of a ClusterSet.
-  params:
-    cluster-set-name:
-      type: string
-      description: |
-        The name of the cluster-set. Mandatory option, used for confirmation.
-
-unfence-writes:
-  description: |
-    Resumes write traffic to a primary cluster of a ClusterSet.
-  params:
-    cluster-set-name:
-      type: string
-      description: |
-        The name of the cluster-set. Mandatory option, used for confirmation.
-
 rejoin-cluster:
   description: |
     Rejoins an invalidated cluster to the cluster-set, after a previous failover or switchover.