Added python script that starts/stops apache2 server on host machine configured to handle http layout tests.

Change-Id: I7bf4390dfb4f9a580e6e4ca0eb25c85655df723c

tests/DumpRenderTree2/assets/run-apache2.py

@@ -0,0 +1,93 @@
+#!/usr/bin/python
+
+"""Start, stop, or restart apache2 server.
+
+  Apache2 must be installed with mod_php!
+
+  Usage:
+    run-apache2.py start|stop|restart
+"""
+
+import sys
+import os
+import subprocess
+import logging
+
+def main():
+  if len(sys.argv) < 2:
+    run_cmd = ""
+  else:
+    run_cmd = sys.argv[1]
+
+  #Setup logging class
+  logging.basicConfig(level=logging.INFO, format='%(message)s')
+
+  if not run_cmd in ("start", "stop", "restart"):
+    logging.info("illegal argument: " + run_cmd)
+    logging.info("Usage: python run-apache2.py start|stop|restart")
+    return
+
+  #Create /tmp/WebKit if it doesn't exist. This is needed for various files used by apache2
+  tmp_WebKit = os.path.join("/tmp", "WebKit")
+  if not os.path.exists(tmp_WebKit):
+    os.mkdir(tmp_WebKit)
+
+  #Get the path to android tree root based on the script location.
+  #Basically we go 5 levels up
+  parent = os.pardir
+  script_location = os.path.abspath(os.path.dirname(sys.argv[0]))
+  android_tree_root = os.path.join(script_location, parent, parent, parent, parent, parent)
+  android_tree_root = os.path.normpath(android_tree_root)
+
+  #Prepare the command to set ${APACHE_RUN_USER} and ${APACHE_RUN_GROUP}
+  envvars_path = os.path.join("/etc", "apache2", "envvars")
+  export_envvars_cmd = "source " + envvars_path
+
+  error_log_path = os.path.join(tmp_WebKit, "apache2-error.log")
+
+  #Prepare the command to (re)start/stop the server with specified settings
+  apache2_restart_cmd = "apache2 -k " + run_cmd
+  directives  = " -c \"ServerRoot " + android_tree_root + "\""
+  directives += " -c \"DocumentRoot " + os.path.join("external", "webkit") + "\""
+
+  #This directive is commented out in apache2-debian-httpd.conf for some reason
+  #However, it is useful to browse through tests in the browser, so it's added here.
+  #One thing to note is that because of problems with mod_dir and port numbers, mod_dir
+  #is turned off. That means that there _must_ be a trailing slash at the end of URL
+  #for auto indexes to work correctly.
+  directives += " -c \"LoadModule autoindex_module /usr/lib/apache2/modules/mod_autoindex.so\""
+
+  directives += " -c \"ErrorLog " + error_log_path +"\""
+  directives += " -c \"SSLCertificateFile " + os.path.join ("external", "webkit", "LayoutTests",
+    "http", "conf", "webkit-httpd.pem") + "\""
+  directives += " -c \"User ${APACHE_RUN_USER}\""
+  directives += " -c \"Group ${APACHE_RUN_GROUP}\""
+  directives += " -C \"TypesConfig " + os.path.join("/etc", "mime.types") + "\""
+  conf_file_cmd = " -f " + os.path.join(android_tree_root, "external", "webkit", "LayoutTests",
+    "http", "conf", "apache2-debian-httpd.conf")
+
+  #Try to execute the commands
+  logging.info("Will " + run_cmd + " apache2 server.")
+  cmd = export_envvars_cmd + " && " + apache2_restart_cmd + directives + conf_file_cmd
+  p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  (out, err) = p.communicate()
+
+  #Output the stdout from the command to console
+  logging.info(out)
+
+  #Report any errors
+  if p.returncode != 0:
+    logging.info("!! ERRORS:")
+
+    if err.find(envvars_path) != -1:
+      logging.info(err)
+    elif err.find('command not found') != -1:
+      logging.info("apache2 is probably not installed")
+    else:
+      logging.info(err)
+      logging.info("Try looking in " + error_log_path + " for details")
+  else:
+    logging.info("OK")
+
+if __name__ == "__main__":
+  main();