chore: Use UV for dependency management

.github/renovate.json5

@@ -0,0 +1,37 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    ":disableRateLimiting",
+    ":noUnscheduledUpdates",
+    // Avoid conflicts with custom `commitMessagePrefix`
+    ":semanticCommitsDisabled"
+  ],
+  "automerge": true,
+  "automergeStrategy": "squash",
+  "automergeType": "pr",
+  "platformAutomerge": true,
+  "schedule": ["after 1am and before 3am every monday"],
+  "lockFileMaintenance": {
+    "enabled": true,
+    "schedule": ["after 1am and before 3am every wednesday"]
+  },
+  "timezone": "Etc/UTC",
+  "enabledManagers": ["pep621", "github-actions", "terraform"],
+  "packageRules": [
+    // Later rules override earlier rules
+    {
+      "matchManagers": ["pep621"],
+      "rangeStrategy": "bump",
+      "groupName": "Python dependencies"
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "GitHub actions"
+    },
+    {
+      "matchManagers": ["terraform"],
+      "groupName": "Terraform"
+    },
+  ],
+}

.github/workflows/integration-test.yaml

@@ -28,13 +28,11 @@ jobs:
         run: echo "charm_path=$(find built/ -name '*.charm' -type f -print)" >> $GITHUB_OUTPUT
 
       - name: Setup operator environment
-        uses: charmed-kubernetes/actions-operator@main
-        with:
-          provider: microk8s
-          channel: 1.29-strict/stable
-          juju-channel: 3.4/stable
-          lxd-channel: 5.20/stable
-
+        run: |
+          sudo snap install concierge --classic
+          sudo concierge prepare -p microk8s --microk8s-channel "1.29-strict/stable" --juju-channel "3.4/stable" --lxd-channel "5.20/stable" --extra-snaps astral-uv/latest/stable
+          uv tool install tox --with tox-uv
+
       - name: Run integration tests
         run: |
           tox -e integration -- \

.github/workflows/lint-report.yaml

@@ -8,7 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Install uv
+        run: sudo snap install --classic astral-uv
       - name: Install tox
-        run: pip install tox
+        run: uv tool install tox --with tox-uv
       - name: Run tests using tox
         run: tox -e lint

.github/workflows/static-analysis.yaml

@@ -8,7 +8,9 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+      - name: Install uv
+        run: sudo snap install --classic astral-uv
       - name: Install tox
-        run: pip install tox
+        run: uv tool install tox --with tox-uv
       - name: Run tests using tox
         run: tox -e static

.github/workflows/unit-test.yaml

@@ -8,7 +8,9 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+      - name: Install uv
+        run: sudo snap install --classic astral-uv
       - name: Install tox
-        run: pip install tox
+        run: uv tool install tox --with tox-uv
       - name: Run tests using tox
         run: tox -e unit

.gitignore

@@ -1,3 +1,6 @@
+.charm_tracing_buffer.raw
+build/
+*.egg-info
 *.idea
 .vscode/
 .coverage

CONTRIBUTING.md

@@ -2,17 +2,29 @@
 
 To make contributions to this charm, you'll need a working [development setup](https://juju.is/docs/sdk/dev-setup).
 
-You can create an environment for development with `tox`:
+This project uses `uv`. You can install it on Ubuntu with:
 
 ```shell
-tox devenv -e integration
-source venv/bin/activate
+sudo snap install --classic astral-uv
+```
+
+You can create an environment for development with `uv`:
+
+```shell
+uv sync
 ```
 
 ## Testing
 
-This project uses `tox` for managing test environments. There are some pre-configured environments
-that can be used for linting and formatting code when you're preparing contributions to the charm:
+This project uses `tox` for managing test environments. It can be installed
+with:
+
+```shell
+uv tool install tox --with tox-uv
+```
+
+There are some pre-configured environments that can be used for linting
+and formatting code when you're preparing contributions to the charm:
 
 ```shell
 tox -e format        # update your code according to linting rules

charmcraft.yaml

@@ -51,12 +51,21 @@ bases:
 
 parts:
   charm:
+    source: .
+    plugin: charm
+    charm-requirements:
+      - requirements.txt
     build-packages:
-      - cargo
       - libffi-dev
       - libssl-dev
       - pkg-config
-      - rustc
+    build-snaps:
+      - astral-uv
+      - rustup
+    override-build: |
+      rustup default stable
+      uv export --frozen --no-dev -o requirements.txt
+      craftctl default
 
 provides:
   certificates:

pyproject.toml

@@ -1,3 +1,31 @@
+[project]
+name = "self-signed-certificates-operator"
+version = "0.1.0"
+requires-python = ">=3.10"
+
+dependencies = [
+    "cryptography",
+    "jsonschema",
+    "ops >= 2.2.0",
+    "opentelemetry-exporter-otlp-proto-http",
+    "pydantic==2.9.2",
+]
+
+[dependency-groups]
+test = [
+    "coverage[toml]",
+    "juju",
+    "pytest",
+    "pytest-operator",
+    "pytest-asyncio==0.21.2",
+    "ops[testing]",
+]
+dev = [
+    "codespell",
+    "pyright",
+    "ruff",
+]
+
 # Testing tools configuration
 [tool.coverage.run]
 branch = true