Adding CI validation for manifest.json

.github/workflows/validate-manifest.yml

@@ -0,0 +1,37 @@
+name: Validate manifest.json
+
+on: push
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Validate manifest.json
+        id: validate_manifest
+        run: |
+          echo "Validating manifest files"
+          for item in $(jq -c -r '.lists.[].file | select( . != null )' manifest.json); do
+            if test -f $item; then
+              echo "$item exists"
+            else
+              echo "::error file=manifest.json,title=Invalid-Manifest::$item does not exist"
+              exit 1
+            fi
+          done
+
+          echo "Validating manifest urls"
+          for item in $(jq -c -r '.lists.[].url | select( . != null )' manifest.json); do
+            urlstatus=$(curl -H 'Cache-Control: no-cache' -o /dev/null --silent --head --write-out "$URL %{http_code}" "$item")
+            if [ $urlstatus -ne 200 ]; then
+              echo "::error file=manifest.json,title=Invalid-Manifest::$item has HTTP status of $urlstatus"
+              exit 1
+            fi
+          done
+
+          echo "Validation complete"

scripts/validate.py

@@ -0,0 +1,39 @@
+import os
+import json
+
+import requests
+
+
+class Validate:
+
+    def __init__(self, manifest: str = "manifest.json") -> None:
+        if not os.path.exists(manifest):
+            err = f"manifest.json '{manifest}' doesn't exist."
+            self.set_output("error", err)
+            raise ValueError(err)
+        self.manifest = manifest
+
+    def set_output(self, name, value):
+        with open(os.environ['GITHUB_OUTPUT'], 'a') as fh:
+            print(f'{name}={value}', file=fh)
+
+    def run(self) -> bool:
+        data: dict = {}
+        with open(self.manifest) as f:
+            data = json.load(f)
+        for item in data.get("lists"):
+            if item.get("file") and not os.path.exists(item["file"]):
+                err = f"referenced static file does not exist: '{item}'"
+                self.set_output("error", err)
+                raise ValueError(err)
+            elif item.get("url"):
+                resp = requests.request("GET", item["url"])
+                resp.raise_for_status()
+                if not resp.ok:
+                    err = f"unable to retrieve file from URL: '{item['url']}'"
+                    self.set_output("error", err)
+                    raise requests.exceptions.HTTPError(err)
+
+
+if __name__ == "__main__":
+    Validate().run()