Merge pull request #2 from wreis/ci

CI: merge workflows and better python setup

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: Continuous Integration
+
+on: push
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade black
+      - name: Check Python formatting
+        run: |
+          set -eux
+          black --check tests/
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - name: Install dependencies
+        run: |
+          sudo python -m pip install --upgrade pip
+          sudo pip install --upgrade pytest sh ruamel.yaml
+      - name: Running addons tests
+        run: |
+          set -x
+          sudo snap install microk8s --classic --channel=latest/edge
+          sudo microk8s status --wait-ready --timeout 600
+          sudo microk8s addons repo add testing .
+          sudo pytest -s ./tests/test-addons.py
+          sudo snap remove microk8s --purge

tests/test-addons.py

@@ -1,13 +1,17 @@
 import sh
-import yaml
+
+from ruamel.yaml import YAML
 
 from utils import microk8s_enable, wait_for_pod_state, microk8s_disable
 
 
+yaml = YAML(typ="safe")
+
+
 class TestAddons(object):
     def test_python_demo_nginx(self):
         microk8s_enable("python-hello-k8s")
         wait_for_pod_state("", "default", "running", label="app=python-demo-nginx")
-        status = yaml.safe_load(sh.microk8s.status(format="yaml").stdout)
+        status = yaml.load(sh.microk8s.status(format="yaml"))
         expected = {"python-hello-k8s": "enabled"}
         microk8s_disable("python-hello-k8s")

tests/utils.py

@@ -1,7 +1,11 @@
 import datetime
 import time
-import yaml
+
 from subprocess import check_output, CalledProcessError
+from ruamel.yaml import YAML
+
+
+yaml = YAML(typ="safe")
 
 
 def run_until_success(cmd, timeout_insec=60, err_out=None):
@@ -58,7 +62,7 @@ def kubectl_get(target, timeout_insec=300):
     """
     cmd = "get -o yaml " + target
     output = kubectl(cmd, timeout_insec)
-    return yaml.safe_load(output)
+    return yaml.load(output)
 
 
 def wait_for_pod_state(