Merge "Add ansible runtime script"

tools/ansible-runtime.py

@@ -0,0 +1,48 @@
+#!/usr/bin/python3
+
+# Copyright 2018 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# This script parses the logfiles on bridge.o.o to give an overview of
+# how long the last "run_all.sh" iterations took and give a clue to
+# what might have changed inbetween runs.
+
+from datetime import datetime
+import os
+
+# TODO: reverse walk rotated logs for longer history
+with open('/var/log/ansible/run_all_cron.log') as f:
+    begin = None
+    for line in f:
+        if "--- begin run @" in line:
+            # 2018-09-05T01:10:36+00:00
+            begin = datetime.strptime(line[16:-5], '%Y-%m-%dT%H:%M:%S+00:00')
+            continue
+        if "--- end run @" in line:
+            end = datetime.strptime(line[14:-5], '%Y-%m-%dT%H:%M:%S+00:00')
+            if not begin:
+                print("end @ %s had no beginning?", end)
+                continue
+            runtime = end - begin
+            # NOTE(ianw): try to get what would have been the HEAD at
+            # the time the run started.  "--first-parent" I hope means
+            # that we show merge commits of when the change actually
+            # was in the tree, not when it was originally proposed.
+            git_head_commit = os.popen('git -C /opt/system-config/ rev-list --first-parent -1 --before="%s" master' % begin).read().strip()
+            git_head = os.popen('git -C /opt/system-config log --abbrev-commit --pretty=oneline --max-count=1 %s' % git_head_commit).read().strip()
+            print("%s - %s - %s" % (runtime, begin, git_head))
+            begin = None
+
+if begin:
+    print("Incomplete run started @ %s" % begin)