[ci][docker] Use RFC image tags only (apache#11938)

This ignores image names like `123-123-abc-validated`

Co-authored-by: driazati <[email protected]>

tests/python/ci/test_ci.py

@@ -834,15 +834,15 @@ def run(source_type, data, check):
             "results": [
                 {
                     "last_updated": "2022-06-01T00:00:00.123456Z",
-                    "name": "abc-abc-123",
+                    "name": "123-123-abc",
                 },
             ]
         },
         tlcpack_body={
             "results": [
                 {
                     "last_updated": "2022-06-01T00:00:00.123456Z",
-                    "name": "abc-abc-123",
+                    "name": "123-123-abc",
                 },
             ]
         },
@@ -852,45 +852,49 @@ def run(source_type, data, check):
     dict(
         tlcpackstaging_body={
             "results": [
+                {
+                    "last_updated": "2022-06-01T01:00:00.123456Z",
+                    "name": "234-234-abc-staging",
+                },
                 {
                     "last_updated": "2022-06-01T00:00:00.123456Z",
-                    "name": "abc-abc-234-staging",
+                    "name": "456-456-abc",
                 },
             ]
         },
         tlcpack_body={
             "results": [
                 {
                     "last_updated": "2022-06-01T00:00:00.123456Z",
-                    "name": "abc-abc-123",
+                    "name": "123-123-abc",
                 },
             ]
         },
         expected="Using tlcpackstaging tag on tlcpack",
         expected_images=[
-            "ci_arm = 'tlcpack/ci-arm:abc-abc-234-staging'",
+            "ci_arm = 'tlcpack/ci-arm:456-456-abc'",
         ],
     ),
     dict(
         tlcpackstaging_body={
             "results": [
                 {
                     "last_updated": "2022-06-01T00:00:00.123456Z",
-                    "name": "abc-abc-123",
+                    "name": "123-123-abc",
                 },
             ]
         },
         tlcpack_body={
             "results": [
                 {
                     "last_updated": "2022-06-01T00:01:00.123456Z",
-                    "name": "abc-abc-234",
+                    "name": "234-234-abc",
                 },
             ]
         },
         expected="Found newer image, using: tlcpack",
         expected_images=[
-            "ci_arm = 'tlcpack/ci-arm:abc-abc-234'",
+            "ci_arm = 'tlcpack/ci-arm:234-234-abc'",
         ],
     ),
 )

tests/scripts/open_docker_update_pr.py

@@ -22,6 +22,7 @@
 import datetime
 import os
 import json
+import re
 from urllib import error
 from typing import List, Dict, Any, Optional, Callable
 from git_utils import git, parse_remote, GitHubRepo
@@ -52,6 +53,10 @@ def parse_docker_date(d: str) -> datetime.datetime:
     return datetime.datetime.strptime(d, "%Y-%m-%dT%H:%M:%S.%fZ")
 
 
+def check_tag(tag: Dict[str, Any]) -> bool:
+    return re.match(r"^[0-9]+-[0-9]+-[a-z0-9]+$", tag["name"]) is not None
+
+
 def latest_tag(user: str, repo: str) -> List[Dict[str, Any]]:
     """
     Queries Docker Hub and finds the most recent tag for the specified image/repo pair
@@ -63,6 +68,7 @@ def latest_tag(user: str, repo: str) -> List[Dict[str, Any]]:
         result["last_updated"] = parse_docker_date(result["last_updated"])
 
     results = list(sorted(results, key=lambda d: d["last_updated"]))
+    results = [tag for tag in results if check_tag(tag)]
     return results[-1]