Add opencontainer labels to container (#195)

Closes: forgejo/runner#162
Reviewed-on: https://code.forgejo.org/forgejo/runner/pulls/195
Reviewed-by: earl-warren <earl-warren@noreply.code.forgejo.org>
Co-authored-by: TheFox0x7 <thefox0x7@gmail.com>
Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>

.forgejo/labelscompare.py

@@ -0,0 +1,24 @@
+import json
+
+expectedLabels = {
+    "maintainer": "contact@forgejo.org",
+    "org.opencontainers.image.authors": "Forgejo",
+    "org.opencontainers.image.url": "https://forgejo.org",
+    "org.opencontainers.image.documentation": "https://forgejo.org/docs/latest/admin/actions/#forgejo-runner",
+    "org.opencontainers.image.source": "https://code.forgejo.org/forgejo/runner",
+    "org.opencontainers.image.version": "1.2.3",
+    "org.opencontainers.image.vendor": "Forgejo",
+    "org.opencontainers.image.licenses": "MIT",
+    "org.opencontainers.image.title": "Forgejo Runner",
+    "org.opencontainers.image.description": "A runner for Forgejo Actions.",
+}
+inspect = None
+with open("./labels.json", "r") as f:
+    inspect = json.load(f)
+
+assert inspect
+labels = inspect[0]["Config"]["Labels"]
+
+for k, v in expectedLabels.items():
+    assert k in labels, f"'{k}' is missing from labels"
+    assert labels[k] == v, f"expected {v} in key {k}, found {labels[k]}"

.forgejo/workflows/build-release-integration.yml

@@ -85,3 +85,6 @@ jobs:
           done
 
           docker pull ${{ steps.forgejo.outputs.host-port }}/root/runner:$version
+
+          docker inspect ${{ steps.forgejo.outputs.host-port}}/root/runner:$version > labels.json
+          python3 .forgejo/labelscompare.py