bot: Export main report as Taskcluster artifact, fixes #151

Author: Bastien Abadie

bot/code_coverage_bot/cli.py

@@ -24,6 +24,10 @@ def setup_cli(ask_repository=True, ask_revision=True):
     parser.add_argument(
         "--cache-root", required=True, help="Cache root, used to pull changesets"
     )
+    parser.add_argument(
+        "--working-dir",
+        help="Optional working dir to download artifacts and build reports",
+    )
     parser.add_argument(
         "--task-name-filter",
         default="*",

bot/code_coverage_bot/hooks/base.py

@@ -26,11 +26,25 @@
 
 class Hook(object):
     def __init__(
-        self, repository, revision, task_name_filter, cache_root, required_platforms=[]
+        self,
+        repository,
+        revision,
+        task_name_filter,
+        cache_root,
+        working_dir=None,
+        required_platforms=[],
     ):
-        temp_dir = tempfile.mkdtemp()
-        self.artifacts_dir = os.path.join(temp_dir, "ccov-artifacts")
-        self.reports_dir = os.path.join(temp_dir, "ccov-reports")
+        if working_dir is None:
+            working_dir = tempfile.mkdtemp()
+        else:
+            os.makedirs(working_dir, exist_ok=True)
+        self.artifacts_dir = os.path.join(working_dir, "ccov-artifacts")
+        self.reports_dir = os.path.join(working_dir, "ccov-reports")
+        logger.info(
+            "Local storage initialized.",
+            artifacts=self.artifacts_dir,
+            reports=self.reports_dir,
+        )
 
         self.repository = repository
         self.revision = revision

bot/code_coverage_bot/hooks/cron.py

@@ -67,5 +67,5 @@ def run(self):
 def main():
     logger.info("Starting code coverage bot for cron")
     args = setup_cli(ask_revision=False, ask_repository=False)
-    hook = CronHook(args.task_name_filter, args.cache_root)
+    hook = CronHook(args.task_name_filter, args.cache_root, args.working_dir)
     hook.run()

bot/code_coverage_bot/hooks/repo.py

@@ -220,5 +220,7 @@ def main():
     hook_class = hooks.get(args.repository)
     assert hook_class is not None, f"Unsupported repository {args.repository}"
 
-    hook = hook_class(args.revision, args.task_name_filter, args.cache_root)
+    hook = hook_class(
+        args.revision, args.task_name_filter, args.cache_root, args.working_dir
+    )
     hook.run()

bot/taskcluster-hook-repo.json

@@ -41,6 +41,14 @@
                     "source": "https://github.com/mozilla/code-coverage"
                 },
                 "payload": {
+
+                    "artifacts": {
+                      "public/code-coverage-report.json": {
+                        "expires": {"$fromNow": "2 weeks"},
+                        "path": "/build/ccov-reports/all:all.json",
+                        "type": "file"
+											}
+                    },
                     "cache": {
                         "code-coverage-bot-CHANNEL": "/cache"
                     },
@@ -50,7 +58,9 @@
                         "--taskcluster-secret",
                         "project/relman/code-coverage/runtime-CHANNEL",
                         "--cache-root",
-                        "/cache"
+                        "/cache",
+                        "--working-dir",
+                        "/build"
                     ],
                     "env": {
                         "$eval": "payload"