chore: Update CI to use Canonical K8s (#257)

* Add concierge.yaml

* Update setup operator environment step

* Update concierge.yaml

* Update concierge.yaml

Author: mvlassis

.github/workflows/integrate.yaml

@@ -36,13 +36,15 @@ jobs:
     steps:
     - name: Check out code
       uses: actions/checkout@v4
-    - name: Setup operator environment
-      uses: charmed-kubernetes/actions-operator@main
-      with:
-        provider: microk8s
-        channel: 1.32-strict/stable
-        charmcraft-channel: 3.x/stable
-        juju-channel: 3.6/stable
+    - name: Install dependencies
+      run: pipx install tox
+
+    - name: Setup environment
+      run: |
+        sudo apt-get remove -y docker-ce docker-ce-cli containerd.io
+        sudo rm -rf /run/containerd
+        sudo snap install concierge --classic
+        sudo concierge prepare --trace
     - name: Test
       run: tox -vve integration -- --model testing
 

concierge.yaml

@@ -0,0 +1,25 @@
+juju:
+  channel: 3.6/stable
+  model-defaults:
+    logging-config: <root>=INFO; unit=DEBUG
+
+providers:
+  k8s:
+    enable: true
+    bootstrap: true
+    channel: 1.32-classic/stable
+    features:
+      local-storage:
+        enabled: true
+    bootstrap-constraints:
+      root-disk: 2G
+
+  lxd:
+    enable: true
+    bootstrap: false
+    channel: latest/stable
+
+host:
+  snaps:
+    charmcraft:
+      channel: 3.x/stable