Add validation make targets

Author: mdheller

Makefile

@@ -0,0 +1,27 @@
+.PHONY: validate validate-json validate-control-plane
+
+validate: validate-json validate-control-plane
+
+validate-json:
+	python3 - <<'PY'
+	import json
+	import pathlib
+	import sys
+
+	failed = False
+	for root in (pathlib.Path('schemas'), pathlib.Path('examples')):
+	    if not root.exists():
+	        continue
+	    for path in sorted(root.rglob('*.json')):
+	        try:
+	            json.loads(path.read_text())
+	        except Exception as exc:
+	            print(f'{path}: invalid JSON: {exc}', file=sys.stderr)
+	            failed = True
+	if failed:
+	    raise SystemExit(1)
+	print('JSON syntax validated.')
+	PY
+
+validate-control-plane:
+	python3 tools/validate_control_plane_examples.py