diff options
Diffstat (limited to 'com.gluster.storage.management.server.scripts/src/nodes/ServerAgent.py')
| -rwxr-xr-x | com.gluster.storage.management.server.scripts/src/nodes/ServerAgent.py | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/com.gluster.storage.management.server.scripts/src/nodes/ServerAgent.py b/com.gluster.storage.management.server.scripts/src/nodes/ServerAgent.py deleted file mode 100755 index bcb2bac1..00000000 --- a/com.gluster.storage.management.server.scripts/src/nodes/ServerAgent.py +++ /dev/null @@ -1,179 +0,0 @@ -#!/usr/bin/python -# Copyright (C) 2010 Gluster, Inc. <http://www.gluster.com> -# This file is part of Gluster Storage Platform. -# -# Gluster Storage Platform is free software; you can redistribute it -# and/or modify it under the terms of the GNU General Public License -# as published by the Free Software Foundation; either version 3 of -# the License, or (at your option) any later version. -# -# Gluster Storage Platform is distributed in the hope that it will be -# useful, but WITHOUT ANY WARRANTY; without even the implied warranty -# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see -# <http://www.gnu.org/licenses/>. - -import os -import sys -import signal -import atexit -import socket -import syslog -import pwd -from optparse import OptionParser - -import Globals -import Socket -import Utils -import ServerRequestHandler - - -ME = os.path.basename(sys.argv[0]) -PID_FILE = "/var/run/serveragent.pid" -serverSocket = None -clientSocket = None -clientAddress = None -clientInputStream = None -clientOutputStream = None - - -def sigTermHandler(signal, frame): - sys.exit(0) - - -def cleanup(): - try: - if os.path.exists(PID_FILE): - os.unlink(PID_FILE) - except OSError, e: - Utils.log("Failed to remove PID file %s: %s" % (PID_FILE, str(e))) - - try: - if clientSocket: - clientSocket.close() - except socket.error, e: - Utils.log("Failed to close client socket: %s" % str(e)) - - try: - if serverSocket: - serverSocket.close() - except socket.error, e: - Utils.log("Failed to close server socket: " % str(e)) - - -def main(): - global PID_FILE - global serverSocket - global clientSocket - global clientAddress - global clientInputStream - global clientOutputStream - - username = Globals.SERVER_AGENT_RUN_USERNAME - - Utils.openLog(Globals.SERVER_AGENT_LOG_FILE) - - parser = OptionParser(version="%s %s" % (ME, Globals.GLUSTER_PLATFORM_VERSION)) - - parser.add_option("-N", "--no-daemon", - action="store_false", dest="daemonMode", default=True, - help="Run in foreground") - parser.add_option("-r", "--run-as", dest="username", - help="Run the daemon as USERNAME (default: %s)" % Globals.SERVER_AGENT_RUN_USERNAME, - metavar="USERNAME") - (options, args) = parser.parse_args() - - if options.username: - username = options.username - try: - userInfo = pwd.getpwnam(username) - except KeyError, e: - sys.stderr.write("%s\n" % str(e)) - serverSocket.close() - sys.exit(-1) - uid = userInfo.pw_uid - gid = userInfo.pw_gid - - try: - Utils.log("__DEBUG__ Opening server socket on port %s" % Globals.SERVER_AGENT_PORT) - serverSocket = Socket.openServerSocket() - except socket.error, e: - sys.stderr.write("Failed to open server socket: %s\n" % str(e)) - sys.exit(-1) - - if options.daemonMode: - if os.path.exists(PID_FILE): - sys.stderr.write("fatal: %s file exists\n" % PID_FILE) - serverSocket.close() - sys.exit(-1) - - if not Utils.daemonize(): - sys.stderr.write("fatal: unable to run as daemon\n") - serverSocket.close() - sys.exit(-1) - try: - fp = open(PID_FILE, "w") - fp.write("%s\n" % os.getpid()) - fp.close() - except IOError, e: - Utils.log("Pid file %s: %s" % (PID_FILE, str(e))) - serverSocket.close() - sys.exit(-1) - try: - os.chown(PID_FILE, uid, gid) - except OSError, e: - Utils.log("Pid file %s: %s" % (PID_FILE, str(e))) - serverSocket.close() - try: - os.unlink(PID_FILE) - except OSError, ex: - Utils.log("Failed to remove PID file %s: %s" % (PID_FILE, str(ex))) - sys.exit(-1) - else: - Globals.GLUSTER_DEBUG = True - - try: - os.setregid(gid, gid) - except OSError, e: - Utils.log("Failed to set effective and real gid to %s: %s" % (gid, str(e))) - cleanup() - sys.exit(-1) - try: - os.setreuid(uid, uid) - except OSError, e: - Utils.log("Failed to set effective and real uid to %s: %s" % (uid, str(e))) - cleanup() - sys.exit(-1) - - atexit.register(cleanup) - signal.signal(signal.SIGTERM, sigTermHandler) - - while True: - Utils.log("__DEBUG__ Waiting for new connection on port %s" % Globals.SERVER_AGENT_PORT) - try: - clientSocket, clientAddress, clientInputStream, clientOutputStream = Socket.acceptClient(serverSocket) - except socket.error, e: - Utils.log("Failed to accept new connection: %s" % str(e)) - sys.exit(-1) - - Utils.log('__DEBUG__ Connected by %s' % str(clientAddress)) - try: - requestString = Socket.readPacket(clientInputStream) - Utils.log('__DEBUG__ Received %s' % repr(requestString)) - responseString = ServerRequestHandler.handleRequest(requestString) - if responseString: - Socket.writePacket(clientOutputStream, responseString) - clientOutputStream.flush() - else: - Utils.log('__DEBUG__ empty response string') - Utils.log('__DEBUG__ Closing client %s' % str(clientAddress)) - clientSocket.close() - except socket.error, e: - Utils.log("Socket error on client: %s" % str(e)) - sys.exit(0) - -if __name__ == "__main__": - main() |