From a9b05996d46a4998c8765730c929f676290a4e8f Mon Sep 17 00:00:00 2001
From: Jarek Jarcec Cecho <jarcec@apache.org>
Date: Sun, 16 Jun 2013 07:49:34 -0700
Subject: [PATCH] Adding dev-support directory with pre-commit hook script

---
 dev-support/test-patch.py | 311 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 311 insertions(+)
 create mode 100755 dev-support/test-patch.py

diff --git a/dev-support/test-patch.py b/dev-support/test-patch.py
new file mode 100755
index 00000000..6af946fc
--- /dev/null
+++ b/dev-support/test-patch.py
@@ -0,0 +1,311 @@
+#!/usr/bin/env python
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+import sys, os, re, urllib2, base64, subprocess, tempfile, shutil
+from optparse import OptionParser
+
+tmp_dir = None
+BASE_JIRA_URL = 'https://issues.apache.org/jira'
+
+def execute(cmd, log=True):
+  if log:
+    print "INFO: Executing %s" % (cmd)
+  return subprocess.call(cmd, shell=True)
+
+def jira_request(result, url, username, password, data, headers):
+  request = urllib2.Request(url, data, headers)
+  print "INFO: URL = %s, Username = %s, data = %s, headers = %s" % (url, username, data, str(headers))
+  if username and password:
+    base64string = base64.encodestring('%s:%s' % (username, password)).replace('\n', '')
+    request.add_header("Authorization", "Basic %s" % base64string)
+  return urllib2.urlopen(request)
+
+def jira_get_defect_html(result, defect, username, password):
+  url = "%s/browse/%s" % (BASE_JIRA_URL, defect)
+  return jira_request(result, url, username, password, None, {}).read()
+
+def jira_get_defect(result, defect, username, password):
+  url = "%s/rest/api/2/issue/%s" % (BASE_JIRA_URL, defect)
+  return jira_request(result, url, username, password, None, {}).read()
+
+def jira_post_comment(result, defect, branch, username, password):
+  url = "%s/rest/api/2/issue/%s/comment" % (BASE_JIRA_URL, defect)
+  body = [ "Here are the results of testing the latest attachment" ]
+  body += [ "%s against %s." % (result.attachment, branch) ]
+  body += [ "" ]
+  if result._fatal:
+    result._error = [ result._fatal ] + result._error
+  if result._error:
+    count = len(result._error)
+    if count == 1:
+      body += [ "{color:red}Overall:{color} -1 due to an error" ]
+    else:
+      body += [ "{color:red}Overall:{color} -1 due to %d errors" % (count) ]
+  else:
+    body += [ "{color:green}Overall:{color} +1 all checks pass" ]
+  body += [ "" ]
+  for error in result._error:
+    body += [ "{color:red}ERROR:{color} %s" % (error.replace("\n", "\\n")) ]
+  for info in result._info:
+    body += [ "INFO: %s" % (info.replace("\n", "\\n")) ]
+  for success in result._success:
+    body += [ "{color:green}SUCCESS:{color} %s" % (success.replace("\n", "\\n")) ]
+  if "BUILD_URL" in os.environ:
+    body += [ "" ]
+    body += [ "Console output: %sconsole" % (os.environ['BUILD_URL']) ]
+  body += [ "" ]
+  body += [ "This message is automatically generated." ]
+  body = "{\"body\": \"%s\"}" % ("\\n".join(body))
+  headers = {'Content-Type' : 'application/json'}
+  response = jira_request(result, url, username, password, body, headers)
+  body = response.read()
+  if response.code != 201:
+    msg = """Request for %s failed:
+  URL = '%s'
+  Code = '%d'
+  Comment = '%s'
+  Response = '%s'
+    """ % (defect, url, response.code, comment, body)
+    print "FATAL: %s" % (msg)
+    sys.exit(1)
+
+# hack (from hadoop) but REST api doesn't list attachments?
+def jira_get_attachment(result, defect, username, password):
+  html = jira_get_defect_html(result, defect, username, password)
+  pattern = "(/secure/attachment/[0-9]+/(bug)?%s[0-9\-]*\.(patch|txt|patch\.txt))" % (re.escape(defect))
+  matches = []
+  for match in re.findall(pattern, html, re.IGNORECASE):
+    matches += [ match[0] ]
+  if matches:
+    matches.sort()
+    return  "%s%s" % (BASE_JIRA_URL, matches.pop())
+  return None
+
+def git_cleanup():
+  rc = execute("git clean -d -f", False)
+  if rc != 0:
+    print "ERROR: git clean failed"
+  rc = execute("git reset --hard HEAD", False)
+  if rc != 0:
+    print "ERROR: git reset failed"
+
+def git_checkout(result, branch):
+  if execute("git checkout %s" % (branch)) != 0:
+    result.fatal("git checkout %s failed" % branch)
+  if execute("git clean -d -f") != 0:
+    result.fatal("git clean failed")
+  if execute("git reset --hard HEAD") != 0:
+    result.fatal("git reset failed")
+  if execute("git fetch origin") != 0:
+    result.fatal("git fetch failed")
+  if execute("git merge --ff-only origin/sqoop2"):
+    result.fatal("git merge failed")
+
+def git_apply(result, cmd, patch_file, strip, output_dir):
+  output_file = "%s/apply.txt" % (output_dir)
+  rc = execute("%s -p%s < %s 1>%s 2>&1" % (cmd, strip, patch_file, output_file))
+  output = ""
+  if os.path.exists(output_file):
+    with open(output_file) as fh:
+      output = fh.read()
+  if rc == 0:
+    if output:
+      print output
+  else:
+    result.fatal("failed to apply patch (exit code %d):\n%s\n" % (rc, output))
+
+def mvn_clean(result, output_dir):
+  rc = execute("mvn clean 1>%s/clean.txt 2>&1" % output_dir)
+  if rc != 0:
+    result.fatal("failed to clean project (exit code %d)" % (rc))
+
+def mvn_install(result, output_dir):
+  rc = execute("mvn install -DskipTests 1>%s/install.txt 2>&1" % output_dir)
+  if rc != 0:
+    result.fatal("failed to build with patch (exit code %d)" % (rc))
+
+def find_all_files(top):
+    for root, dirs, files in os.walk(top):
+        for f in files:
+            yield os.path.join(root, f)
+
+def mvn_test(result, output_dir):
+  rc = execute("mvn test 1>%s/test.txt 2>&1" % output_dir)
+  if rc == 0:
+    result.success("all tests passed")
+  else:
+    result.error("mvn test exited %d" % (rc))
+    failed_tests = []
+    for path in list(find_all_files(".")):
+      file_name = os.path.basename(path)
+      if file_name.startswith("TEST-") and file_name.endswith(".xml"):
+        fd = open(path)
+        for line in fd:
+          if "<failure" in line or "<error" in line:
+            matcher = re.search("TEST\-(.*).xml$", file_name)
+            if matcher:
+              failed_tests += [ matcher.groups()[0] ]
+        fd.close()
+    for failed_test in failed_tests:
+      result.error("Failed: %s" % (failed_test))
+
+def clean_folder(folder):
+  for the_file in os.listdir(folder):
+      file_path = os.path.join(folder, the_file)
+      try:
+          if os.path.isfile(file_path):
+              os.unlink(file_path)
+      except Exception, e:
+          print e
+
+class Result(object):
+  def __init__(self):
+    self._error = []
+    self._info = []
+    self._success = []
+    self._fatal = None
+    self.exit_handler = None
+    self.attachment = "Not Found"
+  def error(self, msg):
+    self._error.append(msg)
+  def info(self, msg):
+    self._info.append(msg)
+  def success(self, msg):
+    self._success.append(msg)
+  def fatal(self, msg):
+    self._fatal = msg
+    self.exit_handler()
+    self.exit()
+  def exit(self):
+    git_cleanup()
+    if self._fatal or self._error:
+      if tmp_dir:
+        print "INFO: output is located %s" % (tmp_dir)
+    elif tmp_dir:
+      shutil.rmtree(tmp_dir)
+    sys.exit(0)
+
+usage = "usage: %prog [options]"
+parser = OptionParser(usage)
+parser.add_option("--branch", dest="branch",
+                  help="Local git branch to test against", metavar="trunk", default="SQOOP-1082")
+parser.add_option("--defect", dest="defect",
+                  help="Defect name", metavar="FLUME-1787")
+parser.add_option("--file", dest="filename",
+                  help="Test patch file", metavar="FILE")
+parser.add_option("--run-tests", dest="run_tests",
+                  help="Run Tests", action="store_true")
+parser.add_option("--username", dest="username",
+                  help="JIRA Username", metavar="USERNAME", default="flumeqa")
+parser.add_option("--output", dest="output_dir",
+                  help="Directory to write output", metavar="DIRECTORY")
+parser.add_option("--post-results", dest="post_results",
+                  help="Post results to JIRA (only works in defect mode)", action="store_true")
+parser.add_option("--password", dest="password",
+                  help="JIRA Password", metavar="PASSWORD")
+parser.add_option("--patch-command", dest="patch_cmd", default="git apply",
+                  help="Patch command such as `git apply' or `patch'", metavar="COMMAND")
+parser.add_option("-p", "--strip", dest="strip", default="1",
+                  help="Remove <n> leading slashes from diff paths", metavar="N")
+
+(options, args) = parser.parse_args()
+if not (options.defect or options.filename):
+  print "FATAL: Either --defect or --file is required."
+  sys.exit(1)
+
+if options.defect and options.filename:
+  print "FATAL: Both --defect and --file cannot be specified."
+  sys.exit(1)
+
+if options.post_results and not options.password:
+  print "FATAL: --post-results requires --password"
+  sys.exit(1)
+
+branch = options.branch
+output_dir = options.output_dir
+defect = options.defect
+username = options.username
+password = options.password
+run_tests = options.run_tests
+post_results = options.post_results
+strip = options.strip
+patch_cmd = options.patch_cmd
+result = Result()
+
+if os.path.isdir(options.output_dir):
+  clean_folder(options.output_dir)
+
+def log_and_exit():
+  if result._fatal:
+    print "FATAL: %s" % (result._fatal)
+  for error in result._error:
+    print "ERROR: %s" % (error)
+  for info in result._info:
+    print "INFO: %s" % (info)
+  for success in result._success:
+    print "SUCCESS: %s" % (success)
+  result.exit()
+
+result.exit_handler = log_and_exit
+
+if post_results:
+  def post_jira_comment_and_exit():
+    jira_post_comment(result, defect, branch, username, password)
+    result.exit()
+  result.exit_handler = post_jira_comment_and_exit
+
+if not output_dir:
+  tmp_dir = tempfile.mkdtemp()
+  output_dir = tmp_dir
+
+if output_dir.endswith("/"):
+  output_dir = output_dir[:-1]
+
+if options.output_dir and not os.path.isdir(options.output_dir):
+  os.makedirs(options.output_dir)
+
+if defect:
+  jira_json = jira_get_defect(result, defect, username, password)
+  if '"Patch Available"' not in jira_json:
+    print "ERROR: Defect %s not in patch available state" % (defect)
+    sys.exit(1)
+  attachment = jira_get_attachment(result, defect, username, password)
+  if not attachment:
+    print "ERROR: No attachments found for %s" % (defect)
+    sys.exit(1)
+  result.attachment = attachment
+  patch_contents = jira_request(result, result.attachment, username, password, None, {}).read()
+  patch_file = "%s/%s.patch" % (output_dir, defect)
+  with open(patch_file, 'a') as fh:
+    fh.write(patch_contents)
+elif options.filename:
+  patch_file = options.filename
+else:
+  raise Exception("Not reachable")
+
+mvn_clean(result, output_dir)
+git_checkout(result, branch)
+git_apply(result, patch_cmd, patch_file, strip, output_dir)
+mvn_install(result, output_dir)
+if run_tests:
+  mvn_test(result, output_dir)
+else:
+  result.info("patch applied and built but tests did not execute")
+
+result.exit_handler()