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Subject: svn commit: r615924 - in /hadoop/core/trunk/src/contrib/hod:
 bin/checknodes
 bin/hodcleanup support/ support/logcondense.py
Date: Mon, 28 Jan 2008 16:09:44 -0000
To: core-commits@hadoop.apache.org
From: nigel@apache.org
Message-Id: <20080128160947.2BC831A9832@eris.apache.org>

Author: nigel
Date: Mon Jan 28 08:09:43 2008
New Revision: 615924

URL: http://svn.apache.org/viewvc?rev=615924&view=rev
Log:
HADOOP-2720. Adding missed files from previous commit

Added:
    hadoop/core/trunk/src/contrib/hod/bin/checknodes
    hadoop/core/trunk/src/contrib/hod/bin/hodcleanup
    hadoop/core/trunk/src/contrib/hod/support/
    hadoop/core/trunk/src/contrib/hod/support/logcondense.py   (with props)

Added: hadoop/core/trunk/src/contrib/hod/bin/checknodes
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/bin/checknodes?rev=615924&view=auto
==============================================================================
--- hadoop/core/trunk/src/contrib/hod/bin/checknodes (added)
+++ hadoop/core/trunk/src/contrib/hod/bin/checknodes Mon Jan 28 08:09:43 2008
@@ -0,0 +1,31 @@
+#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.
+#!/bin/bash
+PBS_NODES_PATH=`which pbsnodes 2>/dev/null`
+if [ -z $PBS_NODES_PATH ]
+then
+  echo Could not find pbsnodes in path. Cannot check available number of nodes.
+  exit 1
+fi
+if [ -z $1 ]
+then
+  echo Usage: checknodes queue-name
+  exit 2
+fi
+num=`$PBS_NODES_PATH :$1 2>&1 | grep "state = " | egrep -v "state = down" | grep -v "state = offline" | wc -l`
+totalused=`$PBS_NODES_PATH :$1  2>&1 | grep "jobs =" | wc -l`
+numleft=`expr $num - $totalused`
+echo $numleft

Added: hadoop/core/trunk/src/contrib/hod/bin/hodcleanup
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/bin/hodcleanup?rev=615924&view=auto
==============================================================================
--- hadoop/core/trunk/src/contrib/hod/bin/hodcleanup (added)
+++ hadoop/core/trunk/src/contrib/hod/bin/hodcleanup Mon Jan 28 08:09:43 2008
@@ -0,0 +1,233 @@
+#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.
+#!/bin/sh
+""":"
+work_dir=$(dirname $0)
+base_name=$(basename $0)
+original_dir=$PWD
+cd $work_dir
+
+if [ $HOD_PYTHON_HOME ]; then
+    exec $HOD_PYTHON_HOME -u -OO $base_name ${1+"$@"}
+elif [ -e /usr/bin/python ]; then
+    exec /usr/bin/python -u -OO $base_name ${1+"$@"}
+elif [ -e /usr/local/bin/python ]; then
+    exec /usr/local/bin/python -u -OO $base_name ${1+"$@"}
+else
+    exec python -u -OO $base_name ${1+"$@"}
+fi
+":"""
+
+"""The executable to be used by the user"""
+import sys, os, re, pwd, threading, sys, random, time, pprint, shutil, time, re
+from pprint import pformat
+from optparse import OptionParser
+
+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.Common.threads import simpleCommand
+from hodlib.Common.util import local_fqdn, tar, filter_warnings,\
+                            get_exception_string, get_exception_error_string
+from hodlib.Common.logger import hodLog
+
+filter_warnings()
+
+reVersion = re.compile(".*(\d+_\d+).*")
+reHdfsURI = re.compile("hdfs://(.*?:\d+)(.*)")
+
+VERSION = None
+if os.path.exists("./VERSION"):
+  vFile = open("./VERSION", 'r')
+  VERSION = vFile.readline()
+  vFile.close()
+
+def getLogger(hodRingOptions):
+  # print >>sys.stderr,"now"
+  if hodRingOptions['hodring-debug'] > 0:
+    _baseLogger = hodLog('hodring')
+    log = _baseLogger.add_logger('main')
+
+    if hodRingOptions.has_key('hodring-stream'):
+      if hodRingOptions['hodring-stream']:
+        _baseLogger.add_stream(level=hodRingOptions['hodring-debug'],
+                             addToLoggerNames=('main',))
+
+    _serviceID = hodRingOptions['service-id']
+    if hodRingOptions['hodring-log-dir']:
+      if _serviceID:
+          __logDir = os.path.join(hodRingOptions['hodring-log-dir'], "%s.%s" % (
+                                   hodRingOptions['user-id'], _serviceID))
+      else:
+          __logDir = os.path.join(hodRingOptions['hodring-log-dir'],
+                                       hodRingOptions['user-id'])
+      if not os.path.exists(__logDir):
+        os.mkdir(__logDir)
+
+      _baseLogger.add_file(logDirectory=__logDir,
+        level=hodRingOptions['hodring-debug'], addToLoggerNames=('main',))
+
+    if hodRingOptions['hodring-syslog-address']:
+      _baseLogger.add_syslog(hodRingOptions['hodring-syslog-address'],
+        level=hodRingOptions['hodring-debug'], addToLoggerNames=('main',))
+    return log
+
+def ensureLogDir(logDir):
+  """Verify that the passed in log directory exists, and if it doesn't
+  create it."""
+  if not os.path.exists(logDir):
+    try:
+      old_mask = os.umask(0)
+      os.makedirs(logDir, 01777)
+      os.umask(old_mask)
+    except Exception, e:
+      print >>sys.stderr, "Could not create log directories %s. Exception: \
+               %s. Stack Trace: %s" % (logDir, get_exception_error_string()
+               , get_exception_string())
+      raise e
+
+
+def __archive_logs(conf, log):
+  # need log-destination-uri, __hadoopLogDirs, temp-dir
+  status = True
+  logUri = conf['log-destination-uri']
+  hadoopLogDirs = conf['hadoop-log-dirs']
+  if logUri:
+    try:
+      if hadoopLogDirs:
+        date = time.localtime()
+        for logDir in hadoopLogDirs:
+          (head, tail) = os.path.split(logDir)
+          (head, logType) = os.path.split(head)
+          tarBallFile = "%s-%s-%04d%02d%02d%02d%02d%02d-%s.tar.gz" % (
+            logType, local_fqdn(), date[0], date[1], date[2], date[3], 
+            date[4], date[5], random.randint(0,1000))
+          
+          if logUri.startswith('file://'):
+            tarBallFile = os.path.join(logUri[7:], 
+                                       tarBallFile)
+          else:
+            tarBallFile = os.path.join(conf['temp-dir'], tarBallFile)
+          
+          log.debug('archiving log files to: %s' % tarBallFile)
+          status = tar(tarBallFile, logDir, ['*',])
+          log.info('archive %s status: %s' % (tarBallFile, status))
+          if status and \
+            logUri.startswith('hdfs://'):
+            __copy_archive_to_dfs(conf, tarBallFile)
+            log.info("copying archive to dfs finished")
+        dict = {} 
+    except:
+      log.error(get_exception_string())
+      status = False
+  return status
+
+
+def __copy_archive_to_dfs(conf, archiveFile):
+  # need log-destination-uri, hadoopCommandstring and/or pkgs
+  hdfsURIMatch = reHdfsURI.match(conf['log-destination-uri'])
+  
+  # FIXME this is a complete and utter hack. Currently hadoop is broken
+  # and does not understand hdfs:// syntax on the command line :(
+  
+  pid = os.getpid()
+  tempConfDir = '/tmp/%s' % pid
+  os.mkdir(tempConfDir)
+  tempConfFileName = '%s/hadoop-site.xml' % tempConfDir
+  tempHadoopConfig = open(tempConfFileName, 'w')
+  print >>tempHadoopConfig, "<configuration>"
+  print >>tempHadoopConfig, "  <property>"
+  print >>tempHadoopConfig, "  <name>fs.default.name</name>"
+  print >>tempHadoopConfig, "  <value>%s</value>" % hdfsURIMatch.group(1)
+  print >>tempHadoopConfig, "  <description>No description</description>"
+  print >>tempHadoopConfig, "  </property>"
+  print >>tempHadoopConfig, "</configuration>"
+  tempHadoopConfig.close()
+  
+  # END LAME HACK
+  
+  (head, tail) = os.path.split(archiveFile)
+  destFile = os.path.join(hdfsURIMatch.group(2), conf['user-id'], conf['service-id'], tail)
+  
+  log.info("copying archive %s to DFS %s ..." % (archiveFile, destFile))
+  
+  hadoopCmd = conf['hadoop-command-string']
+  if conf['pkgs']:
+    hadoopCmd = os.path.join(conf['pkgs'], 'bin', 'hadoop')
+
+  # LAME HACK AGAIN, using config generated above :( 
+  copyCommand = "%s --config %s dfs -copyFromLocal %s %s" % (hadoopCmd, 
+    tempConfDir, archiveFile, destFile)
+  
+  log.debug(copyCommand)
+  
+  copyThread = simpleCommand('hadoop', copyCommand)
+  copyThread.start()
+  copyThread.wait()
+  copyThread.join()
+  log.debug(pprint.pformat(copyThread.output()))
+  
+  # LAME HACK AGAIN, deleting config generated above :( 
+  os.unlink(tempConfFileName)
+  os.rmdir(tempConfDir)
+  os.unlink(archiveFile)
+
+def unpack():
+  parser = OptionParser()
+  option_list=["--log-destination-uri", "--hadoop-log-dirs", \
+          "--temp-dir", "--hadoop-command-string", "--pkgs", "--user-id", \
+          "--service-id", "--hodring-debug", "--hodring-log-dir", \
+          "--hodring-syslog-address", "--hodring-cleanup-list"]
+  regexp = re.compile("^--")
+  for opt in option_list:
+    parser.add_option(opt,dest=regexp.sub("",opt),action="store")
+  option_list.append("--hodring-stream")
+  parser.add_option("--hodring-stream",dest="hodring-stream",metavar="bool",\
+                                                        action="store_true")
+  (options, args) = parser.parse_args()
+  _options= {}
+  for opt in dir(options):
+    if "--"+opt in option_list:
+      _options[opt] = getattr(options,opt)
+  if _options.has_key('hadoop-log-dirs') and _options['hadoop-log-dirs']:
+    _options['hadoop-log-dirs'] = _options['hadoop-log-dirs'].split(",")
+  _options['hodring-debug'] = int(_options['hodring-debug'])
+  return _options
+ 
+
+if __name__ == '__main__':  
+  try:
+    conf = unpack()
+    log = getLogger(conf,)
+    log.debug("Logger initialised successfully")
+    status =  __archive_logs(conf,log)
+    log.info("Archive status : %s" % status)
+    list = conf['hodring-cleanup-list'].split(',')
+    log.info("now removing %s" % list)
+    for dir in list:
+     if os.path.exists(dir):
+       log.debug('removing %s' % (dir))
+       shutil.rmtree(dir, True)
+       log.debug("done")
+    log.info("Cleanup successfully completed")
+  except Exception, e:
+    if log:
+      log.info("Stack trace:\n%s" %(get_exception_error_string(),get_exception_string()))

Added: hadoop/core/trunk/src/contrib/hod/support/logcondense.py
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/support/logcondense.py?rev=615924&view=auto
==============================================================================
--- hadoop/core/trunk/src/contrib/hod/support/logcondense.py (added)
+++ hadoop/core/trunk/src/contrib/hod/support/logcondense.py Mon Jan 28 08:09:43 2008
@@ -0,0 +1,205 @@
+#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.
+#!/bin/sh
+""":"
+work_dir=$(dirname $0)
+base_name=$(basename $0)
+cd $work_dir
+
+if [ $HOD_PYTHON_HOME ]; then
+exec $HOD_PYTHON_HOME -OO -u $base_name ${1+"$@"}
+elif [ -e /usr/bin/python ]; then
+exec /usr/bin/python -OO -u $base_name ${1+"$@"}
+elif [ -e /usr/local/bin/python ]; then
+exec /usr/local/bin/python -OO -u $base_name ${1+"$@"}
+else
+exec python -OO -u $base_name ${1+"$@"}
+fi
+":"""
+					      
+from os import popen3
+import os, sys
+import re
+import time
+from datetime import datetime
+from optparse import OptionParser
+
+myName          = os.path.basename(sys.argv[0])
+myName          = re.sub(".*/", "", myName)
+
+reVersion = re.compile(".*(\d+_\d+).*")
+
+VERSION = '$HeadURL$'
+
+reMatch = reVersion.match(VERSION)
+if reMatch:
+    VERSION = reMatch.group(1)
+    VERSION = re.sub("_", ".", VERSION)
+else:
+    VERSION = 'DEV'
+
+options = ( {'short'   : "-p",
+             'long'    : "--package",
+             'type'    : "string",
+             'action'  : "store",
+             'dest'    : "package",
+             'metavar' : " ",
+             'default' : 'hadoop',
+             'help'    : "Bin file for hadoop"},
+
+	    {'short'   : "-d",
+	     'long'    : "--days",
+	     'type'    : "int",
+	     'action'  : "store",
+	     'dest'    : "days",
+	     'metavar' : " ",
+	     'default' : 7,
+	     'help'    : "Number of days before logs are deleted"},
+	    
+	    {'short'   : "-c",
+	     'long'    : "--config",
+	     'type'    : "string",
+	     'action'  : "store",
+	     'dest'    : "config",
+	     'metavar' : " ",
+	     'default' : None,
+	     'help'    : "config directory for hadoop"},
+	    
+	    {'short'   : "-l",
+	     'long'    : "--logs",
+	     'type'    : "string",
+	     'action'  : "store",
+	     'dest'    : "log",
+	     'metavar' : " ",
+	     'default' : "/user/hod/logs",
+	     'help'    : "directory where the logs are stored"},
+
+	    {'short'   : "-n",
+	     'long'    : "--dynamicdfs",
+	     'type'    : "string",
+	     'action'  : "store",
+	     'dest'    : "dynamicdfs",
+	     'metavar' : " ",
+	     'default' : "false",
+	     'help'    : "'true', if the cluster is used to bring up dynamic dfs clusters, 'false' otherwise"}
+	    )
+
+def getDfsCommand(options, args):
+  if (options.config == None): 
+    cmd = options.package + " " + "dfs " + args
+  else:
+    cmd = options.package + " " + "--config " + options.config + " dfs " + args
+  return cmd
+
+def runcondense():
+  import shutil
+  
+  options = process_args()
+  # if the cluster is used to bring up dynamic dfs, we must leave NameNode and JobTracker logs, 
+  # otherwise only JobTracker logs. Likewise, in case of dynamic dfs, we must also look for
+  # deleting datanode logs
+  filteredNames = ['jobtracker']
+  deletedNamePrefixes = ['0-tasktracker-*']
+  if options.dynamicdfs == 'true':
+    filteredNames.append('namenode')
+    deletedNamePrefixes.append('1-tasktracker-*')
+    deletedNamePrefixes.append('0-datanode-*')
+
+  cmd = getDfsCommand(options, "-lsr " + options.log)
+  (stdin, stdout, stderr) = popen3(cmd)
+  lastjobid = 'none'
+  toPurge = { }
+  for line in stdout:
+    m = re.match("^(.*?)\s.*$", line)
+    filename = m.group(1)
+    # file name format: <prefix>/<user>/<jobid>/[0-1]-[jobtracker|tasktracker|datanode|namenode|]-hostname-YYYYMMDDtime-random.tar.gz
+    # first strip prefix:
+    if filename.startswith(options.log):
+      filename = filename.lstrip(options.log)
+      if not filename.startswith('/'):
+        filename = '/' + filename
+    else:
+      continue
+    
+    # Now get other details from filename.
+    k = re.match("/(.*)/(.*)/.*-.*-([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9]).*$", filename)
+    if k:
+      username = k.group(1)
+      jobid =  k.group(2)
+      datetimefile = datetime(int(k.group(3)), int(k.group(4)), int(k.group(5)))
+      datetimenow = datetime.utcnow()
+      diff = datetimenow - datetimefile
+      filedate = k.group(3) + k.group(4) + k.group(5)
+      newdate = datetimenow.strftime("%Y%m%d")
+      print "%s %s %s %d" % (filename,  filedate, newdate, diff.days)
+      
+      # if the cluster is used to bring up dynamic dfs, we must also leave NameNode logs.
+      foundFilteredName = False
+      for name in filteredNames:
+        if filename.find(name) >= 0:
+          foundFilteredName = True
+          break
+
+      if foundFilteredName:
+        continue
+
+      if (diff.days > options.days):
+        desttodel = filename
+        if not toPurge.has_key(jobid):
+          toPurge[jobid] = options.log.rstrip("/") + "/" + username + "/" + jobid
+
+  for job in toPurge.keys():
+    for prefix in deletedNamePrefixes:
+      cmd = getDfsCommand(options, "-rm " + toPurge[job] + '/' + prefix)
+      print cmd
+      ret = 0
+      ret = os.system(cmd)
+      if (ret != 0):
+        print >> sys.stderr, "Command failed to delete file " + cmd 
+	  
+	
+def process_args():
+  global options, myName, VERSION
+  
+  usage = "usage: %s <ARGS>" % (myName)
+  
+  version = "%s %s" % (myName, VERSION)
+  
+  argParser = OptionParser(usage=usage, version=VERSION)
+  
+  for option_element in options:
+    argParser.add_option(option_element['short'], option_element['long'],
+			 type=option_element['type'], action=option_element['action'],
+			 dest=option_element['dest'], default=option_element['default'],
+			 metavar=option_element['metavar'], help=option_element['help'])
+
+  (parsedOptions, args) = argParser.parse_args()
+  
+  if not os.path.exists(parsedOptions.package):
+    argParser.error("Could not find path to hadoop binary: %s" % parsedOptions.package)
+  if not os.path.exists(parsedOptions.config):
+    argParser.error("Could not find config: %s" % parsedOptions.config)
+  if parsedOptions.days <= 0:
+    argParser.error("Invalid number of days specified, must be > 0: %s" % parsedOptions.config)
+  if parsedOptions.dynamicdfs!='true' and parsedOptions.dynamicdfs!='false':
+    argParser.error("Invalid option for dynamicdfs, must be true or false: %s" % parsedOptions.dynamicdfs)
+
+  return parsedOptions
+  
+  
+if __name__ == '__main__':
+  runcondense()
+  

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