Merge pull request #3 from canonical/install-hook

[DPE-2991] Install + Start hook

.github/workflows/ci.yaml

@@ -25,7 +25,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install tox
-        # TODO: Consider replacing with custom image on self-hosted runner OR pinning version
         run: python3 -m pip install tox
       - name: Run linters
         run: tox run -e lint
@@ -47,4 +46,6 @@ jobs:
 
   build:
     name: Build charms
-    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+    permissions:
+      actions: write # Needed to manage GitHub Actions cache

.gitignore

@@ -7,3 +7,4 @@ __pycache__/
 *.py[cod]
 .idea
 .vscode/
+requirements.txt

charmcraft.yaml

@@ -4,8 +4,27 @@
 type: charm
 bases:
   - build-on:
-    - name: ubuntu
-      channel: "22.04"
+      - name: ubuntu
+        channel: "22.04"
     run-on:
-    - name: ubuntu
-      channel: "22.04"
+      - name: ubuntu
+        channel: "22.04"
+
+parts:
+  charm:
+    charm-binary-python-packages:
+      - setuptools
+      - cryptography
+    build-packages:
+      - git
+      - libffi-dev
+      - libssl-dev
+      - rustc
+      - cargo
+    override-pull: |
+      craftctl default
+      if [[ ! -f requirements.txt ]]
+      then
+          echo 'ERROR: Use "tox run -e build" instead of calling "charmcraft pack" directly' >&2
+          exit 1
+      fi