| #!/bin/sh |
| |
| # 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. |
| |
| |
| """:" |
| work_dir=$(dirname $0) |
| base_name=$(basename $0) |
| cd $work_dir |
| |
| if [ $HOD_PYTHON_HOME ]; then |
| exec $HOD_PYTHON_HOME -OO $base_name ${1+"$@"} |
| elif [ -e /usr/bin/python ]; then |
| exec /usr/bin/python -OO $base_name ${1+"$@"} |
| elif [ -e /usr/local/bin/python ]; then |
| exec /usr/local/bin/python -OO $base_name ${1+"$@"} |
| else |
| exec python -OO $base_name ${1+"$@"} |
| fi |
| ":""" |
| |
| """The executable to be used by the user""" |
| import sys, os, re |
| |
| |
| myName = os.path.basename(sys.argv[0]) |
| myName = re.sub(".*/", "", myName) |
| binDirectory = os.path.realpath(sys.argv[0]) |
| rootDirectory = re.sub("/bin/.*", "", binDirectory) |
| libDirectory = rootDirectory |
| |
| sys.path.append(libDirectory) |
| |
| from hodlib.HodRing.hodRing import HodRing |
| from hodlib.Common.setup import * |
| from hodlib.Common.util import filter_warnings, get_exception_string, \ |
| get_exception_error_string, getMapredSystemDirectory, \ |
| to_http_url, local_fqdn |
| from hodlib.Common.logger import getLogger, ensureLogDir |
| from hodlib.Common.xmlrpc import hodXRClient |
| |
| filter_warnings() |
| |
| reVersion = re.compile(".*(\d+_\d+).*") |
| |
| VERSION = '$HeadURL$' |
| |
| reMatch = reVersion.match(VERSION) |
| if reMatch: |
| VERSION = reMatch.group(1) |
| VERSION = re.sub("_", ".", VERSION) |
| else: |
| VERSION = 'DEV' |
| |
| # Definition tuple is of the form: |
| # (name, type, description, default value, required?, validate?) |
| # |
| defList = { 'hodring' : ( |
| ('temp-dir', 'directory', 'hod work directories', |
| False, None, True, False), |
| |
| ('log-dir', 'directory', 'hod logging directory.', |
| False, os.path.join(rootDirectory, 'logs'), False, True), |
| |
| ('log-destination-uri', 'string', |
| 'URI to store logs to, local://some_path or ' |
| + 'hdfs://host:port/some_path', |
| False, None, False, True), |
| |
| ('pkgs', 'directory', 'Path to Hadoop to use in case of uploading to HDFS', |
| False, None, False, True), |
| |
| ('syslog-address', 'address', 'Syslog address.', |
| False, None, False, True), |
| |
| ('java-home', 'directory', 'Java home directory.', |
| False, None, True, True), |
| |
| ('debug', 'pos_int', 'Debugging level, 0-4.', |
| False, 3, True, True), |
| |
| ('register', 'bool', 'Register with service registry?', |
| False, True, True, True), |
| |
| ('stream', 'bool', 'Output to stderr.', |
| False, False, False, True), |
| |
| ('userid', 'user_account', |
| 'User ID the hod shell is running under.', |
| False, None, True, False), |
| |
| ('xrs-port-range', 'range', 'XML-RPC port range n-m.', |
| False, None, True, True), |
| |
| ('http-port-range', 'range', 'HTTP port range n-m.', |
| False, None, True, True), |
| |
| ('hadoop-port-range', 'range', 'Hadoop port range n-m.', |
| False, None, True, True), |
| |
| ('command', 'string', 'Command for hodring to run.', |
| False, None, False, True), |
| |
| ('service-id', 'string', 'Service ID.', |
| False, None, False, True), |
| |
| ('download-addr', 'string', 'Download HTTP address.', |
| False, None, False, True), |
| |
| ('svcrgy-addr', 'address', 'Service registry XMLRPC address.', |
| False, None, True, True), |
| |
| ('ringmaster-xrs-addr', 'address', 'Ringmaster XML-RPC address.', |
| False, None, False, True), |
| |
| ('tarball-retry-initial-time', 'pos_float','initial retry time for tarball download', |
| False, 1, False, True), |
| |
| ('tarball-retry-interval', 'pos_float','interval to spread retries for tarball download', |
| False, 3, False, True), |
| |
| ('cmd-retry-initial-time', 'pos_float','initial retry time for getting commands', |
| False, 2, False, True), |
| |
| ('cmd-retry-interval', 'pos_float','interval to spread retries for getting commands', |
| False, 2, False, True), |
| |
| ('mapred-system-dir-root', 'string', 'Root under which mapreduce system directory names are generated by HOD.', |
| False, '/mapredsystem', False, False)) |
| } |
| |
| if __name__ == '__main__': |
| |
| confDef = definition() |
| confDef.add_defs(defList) |
| hodRingOptions = options(confDef, "./%s [OPTIONS]" % myName, VERSION) |
| ensureLogDir(hodRingOptions['hodring']['log-dir']) |
| service = None |
| try: |
| (status, statusMsgs) = hodRingOptions.verify() |
| if not status: |
| raise Exception("%s" % statusMsgs) |
| hodRingOptions['hodring']['base-dir'] = rootDirectory |
| service = HodRing(hodRingOptions) |
| service.start() |
| service.wait() |
| |
| if service.log: |
| log = service.log |
| else: |
| log = getLogger(hodRingOptions['hodring'],'hodring') |
| |
| list = [] |
| |
| runningHadoops = service.getRunningValues() |
| |
| mrSysDirManager = None |
| for cmd in runningHadoops: |
| if cmd.name == 'jobtracker': |
| mrSysDirManager = cmd.getMRSystemDirectoryManager() |
| log.debug("addding %s to cleanup list..." % cmd) |
| cmd.addCleanup(list) |
| |
| list.append(service.getTempDir()) |
| log.debug(list) |
| |
| # archive_logs now |
| cmdString = os.path.join(rootDirectory, "bin", "hodcleanup") # same python |
| |
| if (len(runningHadoops) == 0): |
| log.info("len(runningHadoops) == 0, No running cluster?") |
| log.info("Skipping __copy_archive_to_dfs") |
| hadoopString = "" |
| else: hadoopString=runningHadoops[0].path |
| |
| #construct the arguments |
| if hodRingOptions['hodring'].has_key('log-destination-uri'): |
| cmdString = cmdString + " --log-destination-uri " \ |
| + hodRingOptions['hodring']['log-destination-uri'] |
| |
| hadoopLogDirs = service.getHadoopLogDirs() |
| if hadoopLogDirs: |
| cmdString = cmdString \ |
| + " --hadoop-log-dirs " \ |
| + ",".join(hadoopLogDirs) |
| |
| cmdString = cmdString \ |
| + " --temp-dir " \ |
| + service._cfg['temp-dir'] \ |
| + " --hadoop-command-string " \ |
| + hadoopString \ |
| + " --user-id " \ |
| + service._cfg['userid'] \ |
| + " --service-id " \ |
| + service._cfg['service-id'] \ |
| + " --hodring-debug " \ |
| + str(hodRingOptions['hodring']['debug']) \ |
| + " --hodring-log-dir " \ |
| + hodRingOptions['hodring']['log-dir'] \ |
| + " --hodring-cleanup-list " \ |
| + ",".join(list) |
| |
| if hodRingOptions['hodring'].has_key('syslog-address'): |
| syslogAddr = hodRingOptions['hodring']['syslog-address'][0] + \ |
| ':' + str(hodRingOptions['hodring']['syslog-address'][1]) |
| cmdString = cmdString + " --hodring-syslog-address " + syslogAddr |
| if service._cfg.has_key('pkgs'): |
| cmdString = cmdString + " --pkgs " + service._cfg['pkgs'] |
| |
| if mrSysDirManager is not None: |
| cmdString = "%s %s" % (cmdString, mrSysDirManager.toCleanupArgs()) |
| |
| log.info("cleanup commandstring : ") |
| log.info(cmdString) |
| |
| # clean up |
| cmd = ['/bin/sh', '-c', cmdString] |
| |
| mswindows = (sys.platform == "win32") |
| originalcwd = os.getcwd() |
| |
| if not mswindows: |
| try: |
| pid = os.fork() |
| if pid > 0: |
| # exit first parent |
| log.info("child(pid: %s) is now doing cleanup" % pid) |
| sys.exit(0) |
| except OSError, e: |
| log.error("fork failed: %d (%s)" % (e.errno, e.strerror)) |
| sys.exit(1) |
| |
| # decouple from parent environment |
| os.chdir("/") |
| os.setsid() |
| os.umask(0) |
| |
| MAXFD = 128 # more than enough file descriptors to close. Just in case. |
| for i in xrange(0, MAXFD): |
| try: |
| os.close(i) |
| except OSError: |
| pass |
| |
| try: |
| os.execvp(cmd[0], cmd) |
| finally: |
| log.critical("exec failed") |
| os._exit(1) |
| |
| except Exception, e: |
| if service: |
| if service.log: |
| log = service.log |
| else: |
| log = getLogger(hodRingOptions['hodring'], 'hodring') |
| log.error("Error in bin/hodring %s. \nStack trace:\n%s" %(get_exception_error_string(),get_exception_string())) |
| |
| log.info("now trying informing to ringmaster") |
| log.info(hodRingOptions['hodring']['ringmaster-xrs-addr']) |
| log.info(hodRingOptions.normalizeValue('hodring', 'ringmaster-xrs-addr')) |
| log.info(to_http_url(hodRingOptions.normalizeValue( \ |
| 'hodring', 'ringmaster-xrs-addr'))) |
| # Report errors to the Ringmaster if possible |
| try: |
| ringXRAddress = to_http_url(hodRingOptions.normalizeValue( \ |
| 'hodring', 'ringmaster-xrs-addr')) |
| log.debug("Creating ringmaster XML-RPC client.") |
| ringClient = hodXRClient(ringXRAddress) |
| if ringClient is not None: |
| addr = local_fqdn() + "_" + str(os.getpid()) |
| ringClient.setHodRingErrors(addr, str(e)) |
| log.info("Reported errors to ringmaster at %s" % ringXRAddress) |
| except Exception, e: |
| log.error("Failed to report errors to ringmaster at %s" % ringXRAddress) |
| log.error("Reason : %s" % get_exception_string()) |
| # End of reporting errors to the client |
