1 | #!/bin/sh |
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2 | |
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3 | #Licensed to the Apache Software Foundation (ASF) under one |
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4 | #or more contributor license agreements. See the NOTICE file |
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5 | #distributed with this work for additional information |
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6 | #regarding copyright ownership. The ASF licenses this file |
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7 | #to you under the Apache License, Version 2.0 (the |
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8 | #"License"); you may not use this file except in compliance |
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9 | #with the License. You may obtain a copy of the License at |
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10 | |
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11 | # http://www.apache.org/licenses/LICENSE-2.0 |
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12 | |
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13 | #Unless required by applicable law or agreed to in writing, software |
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14 | #distributed under the License is distributed on an "AS IS" BASIS, |
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15 | #WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | #See the License for the specific language governing permissions and |
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17 | #limitations under the License. |
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18 | """:" |
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19 | work_dir=$(dirname $0) |
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20 | base_name=$(basename $0) |
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21 | cd $work_dir |
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22 | |
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23 | if [ $HOD_PYTHON_HOME ]; then |
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24 | exec $HOD_PYTHON_HOME -OO -u $base_name ${1+"$@"} |
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25 | elif [ -e /usr/bin/python ]; then |
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26 | exec /usr/bin/python -OO -u $base_name ${1+"$@"} |
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27 | elif [ -e /usr/local/bin/python ]; then |
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28 | exec /usr/local/bin/python -OO -u $base_name ${1+"$@"} |
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29 | else |
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30 | exec python -OO -u $base_name ${1+"$@"} |
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31 | fi |
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32 | ":""" |
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33 | |
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34 | from os import popen3 |
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35 | import os, sys |
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36 | import re |
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37 | import time |
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38 | from datetime import datetime |
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39 | from optparse import OptionParser |
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40 | |
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41 | myName = os.path.basename(sys.argv[0]) |
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42 | myName = re.sub(".*/", "", myName) |
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43 | |
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44 | reVersion = re.compile(".*(\d+_\d+).*") |
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45 | |
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46 | VERSION = '$HeadURL: http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20/src/contrib/hod/support/logcondense.py $' |
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47 | |
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48 | reMatch = reVersion.match(VERSION) |
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49 | if reMatch: |
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50 | VERSION = reMatch.group(1) |
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51 | VERSION = re.sub("_", ".", VERSION) |
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52 | else: |
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53 | VERSION = 'DEV' |
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54 | |
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55 | options = ( {'short' : "-p", |
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56 | 'long' : "--package", |
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57 | 'type' : "string", |
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58 | 'action' : "store", |
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59 | 'dest' : "package", |
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60 | 'metavar' : " ", |
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61 | 'default' : 'hadoop', |
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62 | 'help' : "Bin file for hadoop"}, |
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63 | |
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64 | {'short' : "-d", |
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65 | 'long' : "--days", |
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66 | 'type' : "int", |
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67 | 'action' : "store", |
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68 | 'dest' : "days", |
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69 | 'metavar' : " ", |
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70 | 'default' : 7, |
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71 | 'help' : "Number of days before logs are deleted"}, |
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72 | |
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73 | {'short' : "-c", |
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74 | 'long' : "--config", |
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75 | 'type' : "string", |
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76 | 'action' : "store", |
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77 | 'dest' : "config", |
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78 | 'metavar' : " ", |
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79 | 'default' : None, |
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80 | 'help' : "config directory for hadoop"}, |
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81 | |
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82 | {'short' : "-l", |
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83 | 'long' : "--logs", |
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84 | 'type' : "string", |
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85 | 'action' : "store", |
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86 | 'dest' : "log", |
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87 | 'metavar' : " ", |
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88 | 'default' : "/user", |
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89 | 'help' : "directory prefix under which logs are stored per user"}, |
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90 | |
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91 | {'short' : "-n", |
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92 | 'long' : "--dynamicdfs", |
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93 | 'type' : "string", |
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94 | 'action' : "store", |
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95 | 'dest' : "dynamicdfs", |
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96 | 'metavar' : " ", |
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97 | 'default' : "false", |
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98 | 'help' : "'true', if the cluster is used to bring up dynamic dfs clusters, 'false' otherwise"} |
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99 | ) |
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100 | |
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101 | def getDfsCommand(options, args): |
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102 | if (options.config == None): |
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103 | cmd = options.package + " " + "dfs " + args |
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104 | else: |
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105 | cmd = options.package + " " + "--config " + options.config + " dfs " + args |
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106 | return cmd |
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107 | |
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108 | def runcondense(): |
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109 | import shutil |
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110 | |
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111 | options = process_args() |
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112 | # if the cluster is used to bring up dynamic dfs, we must leave NameNode and JobTracker logs, |
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113 | # otherwise only JobTracker logs. Likewise, in case of dynamic dfs, we must also look for |
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114 | # deleting datanode logs |
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115 | filteredNames = ['jobtracker'] |
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116 | deletedNamePrefixes = ['*-tasktracker-*'] |
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117 | if options.dynamicdfs == 'true': |
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118 | filteredNames.append('namenode') |
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119 | deletedNamePrefixes.append('*-datanode-*') |
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120 | |
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121 | filepath = '%s/\*/hod-logs/' % (options.log) |
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122 | cmd = getDfsCommand(options, "-lsr " + filepath) |
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123 | (stdin, stdout, stderr) = popen3(cmd) |
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124 | lastjobid = 'none' |
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125 | toPurge = { } |
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126 | for line in stdout: |
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127 | try: |
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128 | m = re.match("^.*\s(.*)\n$", line) |
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129 | filename = m.group(1) |
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130 | # file name format: <prefix>/<user>/hod-logs/<jobid>/[0-9]*-[jobtracker|tasktracker|datanode|namenode|]-hostname-YYYYMMDDtime-random.tar.gz |
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131 | # first strip prefix: |
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132 | if filename.startswith(options.log): |
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133 | filename = filename.lstrip(options.log) |
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134 | if not filename.startswith('/'): |
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135 | filename = '/' + filename |
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136 | else: |
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137 | continue |
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138 | |
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139 | # Now get other details from filename. |
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140 | k = re.match("/(.*)/hod-logs/(.*)/.*-.*-([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9]).*$", filename) |
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141 | if k: |
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142 | username = k.group(1) |
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143 | jobid = k.group(2) |
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144 | datetimefile = datetime(int(k.group(3)), int(k.group(4)), int(k.group(5))) |
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145 | datetimenow = datetime.utcnow() |
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146 | diff = datetimenow - datetimefile |
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147 | filedate = k.group(3) + k.group(4) + k.group(5) |
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148 | newdate = datetimenow.strftime("%Y%m%d") |
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149 | print "%s %s %s %d" % (filename, filedate, newdate, diff.days) |
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150 | |
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151 | # if the cluster is used to bring up dynamic dfs, we must also leave NameNode logs. |
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152 | foundFilteredName = False |
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153 | for name in filteredNames: |
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154 | if filename.find(name) >= 0: |
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155 | foundFilteredName = True |
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156 | break |
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157 | |
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158 | if foundFilteredName: |
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159 | continue |
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160 | |
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161 | if (diff.days > options.days): |
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162 | desttodel = filename |
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163 | if not toPurge.has_key(jobid): |
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164 | toPurge[jobid] = options.log.rstrip("/") + "/" + username + "/hod-logs/" + jobid |
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165 | except Exception, e: |
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166 | print >> sys.stderr, e |
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167 | |
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168 | for job in toPurge.keys(): |
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169 | try: |
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170 | for prefix in deletedNamePrefixes: |
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171 | cmd = getDfsCommand(options, "-rm " + toPurge[job] + '/' + prefix) |
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172 | print cmd |
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173 | ret = 0 |
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174 | ret = os.system(cmd) |
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175 | if (ret != 0): |
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176 | print >> sys.stderr, "Command failed to delete file " + cmd |
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177 | except Exception, e: |
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178 | print >> sys.stderr, e |
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179 | |
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180 | |
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181 | def process_args(): |
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182 | global options, myName, VERSION |
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183 | |
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184 | usage = "usage: %s <ARGS>" % (myName) |
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185 | |
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186 | version = "%s %s" % (myName, VERSION) |
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187 | |
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188 | argParser = OptionParser(usage=usage, version=VERSION) |
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189 | |
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190 | for option_element in options: |
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191 | argParser.add_option(option_element['short'], option_element['long'], |
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192 | type=option_element['type'], action=option_element['action'], |
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193 | dest=option_element['dest'], default=option_element['default'], |
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194 | metavar=option_element['metavar'], help=option_element['help']) |
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195 | |
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196 | (parsedOptions, args) = argParser.parse_args() |
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197 | |
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198 | if not os.path.exists(parsedOptions.package): |
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199 | argParser.error("Could not find path to hadoop binary: %s" % parsedOptions.package) |
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200 | if not os.path.exists(parsedOptions.config): |
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201 | argParser.error("Could not find config: %s" % parsedOptions.config) |
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202 | if parsedOptions.days <= 0: |
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203 | argParser.error("Invalid number of days specified, must be > 0: %s" % parsedOptions.config) |
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204 | if parsedOptions.dynamicdfs!='true' and parsedOptions.dynamicdfs!='false': |
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205 | argParser.error("Invalid option for dynamicdfs, must be true or false: %s" % parsedOptions.dynamicdfs) |
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206 | |
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207 | return parsedOptions |
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208 | |
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209 | |
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210 | if __name__ == '__main__': |
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211 | runcondense() |
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212 | |
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