1 | #!/bin/sh |
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2 | |
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3 | # Licensed to the Apache Software Foundation (ASF) under one or more |
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4 | # contributor license agreements. See the NOTICE file distributed with |
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5 | # this work for additional information regarding copyright ownership. |
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6 | # The ASF licenses this file to You under the Apache License, Version 2.0 |
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7 | # (the "License"); you may not use this file except in compliance with |
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8 | # the License. You may obtain a copy of the License at |
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9 | # |
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10 | # http://www.apache.org/licenses/LICENSE-2.0 |
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11 | # |
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12 | # Unless required by applicable law or agreed to in writing, software |
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13 | # distributed under the License is distributed on an "AS IS" BASIS, |
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14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | # See the License for the specific language governing permissions and |
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16 | # limitations under the License. |
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17 | |
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18 | |
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19 | """:" |
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20 | work_dir=$(dirname $0) |
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21 | base_name=$(basename $0) |
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22 | cd $work_dir |
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23 | |
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24 | if [ $HOD_PYTHON_HOME ]; then |
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25 | exec $HOD_PYTHON_HOME -OO $base_name ${1+"$@"} |
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26 | elif [ -e /usr/bin/python ]; then |
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27 | exec /usr/bin/python -OO $base_name ${1+"$@"} |
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28 | elif [ -e /usr/local/bin/python ]; then |
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29 | exec /usr/local/bin/python -OO $base_name ${1+"$@"} |
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30 | else |
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31 | exec python -OO $base_name ${1+"$@"} |
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32 | fi |
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33 | ":""" |
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34 | |
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35 | """The executable to be used by the user""" |
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36 | import sys, os, re |
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37 | |
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38 | |
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39 | myName = os.path.basename(sys.argv[0]) |
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40 | myName = re.sub(".*/", "", myName) |
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41 | binDirectory = os.path.realpath(sys.argv[0]) |
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42 | rootDirectory = re.sub("/bin/.*", "", binDirectory) |
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43 | libDirectory = rootDirectory |
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44 | |
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45 | sys.path.append(libDirectory) |
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46 | |
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47 | from hodlib.HodRing.hodRing import HodRing |
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48 | from hodlib.Common.setup import * |
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49 | from hodlib.Common.util import filter_warnings, get_exception_string, \ |
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50 | get_exception_error_string, getMapredSystemDirectory, \ |
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51 | to_http_url, local_fqdn |
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52 | from hodlib.Common.logger import getLogger, ensureLogDir |
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53 | from hodlib.Common.xmlrpc import hodXRClient |
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54 | |
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55 | filter_warnings() |
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56 | |
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57 | reVersion = re.compile(".*(\d+_\d+).*") |
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58 | |
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59 | VERSION = '$HeadURL$' |
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60 | |
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61 | reMatch = reVersion.match(VERSION) |
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62 | if reMatch: |
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63 | VERSION = reMatch.group(1) |
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64 | VERSION = re.sub("_", ".", VERSION) |
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65 | else: |
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66 | VERSION = 'DEV' |
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67 | |
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68 | # Definition tuple is of the form: |
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69 | # (name, type, description, default value, required?, validate?) |
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70 | # |
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71 | defList = { 'hodring' : ( |
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72 | ('temp-dir', 'directory', 'hod work directories', |
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73 | False, None, True, False), |
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74 | |
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75 | ('log-dir', 'directory', 'hod logging directory.', |
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76 | False, os.path.join(rootDirectory, 'logs'), False, True), |
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77 | |
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78 | ('log-destination-uri', 'string', |
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79 | 'URI to store logs to, local://some_path or ' |
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80 | + 'hdfs://host:port/some_path', |
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81 | False, None, False, True), |
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82 | |
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83 | ('pkgs', 'directory', 'Path to Hadoop to use in case of uploading to HDFS', |
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84 | False, None, False, True), |
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85 | |
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86 | ('syslog-address', 'address', 'Syslog address.', |
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87 | False, None, False, True), |
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88 | |
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89 | ('java-home', 'directory', 'Java home directory.', |
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90 | False, None, True, True), |
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91 | |
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92 | ('debug', 'pos_int', 'Debugging level, 0-4.', |
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93 | False, 3, True, True), |
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94 | |
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95 | ('register', 'bool', 'Register with service registry?', |
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96 | False, True, True, True), |
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97 | |
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98 | ('stream', 'bool', 'Output to stderr.', |
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99 | False, False, False, True), |
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100 | |
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101 | ('userid', 'user_account', |
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102 | 'User ID the hod shell is running under.', |
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103 | False, None, True, False), |
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104 | |
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105 | ('xrs-port-range', 'range', 'XML-RPC port range n-m.', |
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106 | False, None, True, True), |
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107 | |
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108 | ('http-port-range', 'range', 'HTTP port range n-m.', |
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109 | False, None, True, True), |
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110 | |
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111 | ('command', 'string', 'Command for hodring to run.', |
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112 | False, None, False, True), |
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113 | |
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114 | ('service-id', 'string', 'Service ID.', |
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115 | False, None, False, True), |
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116 | |
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117 | ('download-addr', 'string', 'Download HTTP address.', |
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118 | False, None, False, True), |
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119 | |
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120 | ('svcrgy-addr', 'address', 'Service registry XMLRPC address.', |
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121 | False, None, True, True), |
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122 | |
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123 | ('ringmaster-xrs-addr', 'address', 'Ringmaster XML-RPC address.', |
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124 | False, None, False, True), |
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125 | |
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126 | ('tarball-retry-initial-time', 'pos_float','initial retry time for tarball download', |
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127 | False, 1, False, True), |
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128 | |
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129 | ('tarball-retry-interval', 'pos_float','interval to spread retries for tarball download', |
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130 | False, 3, False, True), |
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131 | |
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132 | ('cmd-retry-initial-time', 'pos_float','initial retry time for getting commands', |
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133 | False, 2, False, True), |
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134 | |
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135 | ('cmd-retry-interval', 'pos_float','interval to spread retries for getting commands', |
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136 | False, 2, False, True), |
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137 | |
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138 | ('mapred-system-dir-root', 'string', 'Root under which mapreduce system directory names are generated by HOD.', |
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139 | False, '/mapredsystem', False, False)) |
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140 | } |
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141 | |
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142 | if __name__ == '__main__': |
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143 | |
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144 | confDef = definition() |
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145 | confDef.add_defs(defList) |
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146 | hodRingOptions = options(confDef, "./%s [OPTIONS]" % myName, VERSION) |
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147 | ensureLogDir(hodRingOptions['hodring']['log-dir']) |
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148 | service = None |
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149 | try: |
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150 | (status, statusMsgs) = hodRingOptions.verify() |
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151 | if not status: |
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152 | raise Exception("%s" % statusMsgs) |
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153 | hodRingOptions['hodring']['base-dir'] = rootDirectory |
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154 | service = HodRing(hodRingOptions) |
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155 | service.start() |
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156 | service.wait() |
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157 | |
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158 | if service.log: |
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159 | log = service.log |
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160 | else: |
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161 | log = getLogger(hodRingOptions['hodring'],'hodring') |
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162 | |
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163 | list = [] |
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164 | |
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165 | runningHadoops = service.getRunningValues() |
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166 | |
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167 | mrSysDirManager = None |
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168 | for cmd in runningHadoops: |
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169 | if cmd.name == 'jobtracker': |
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170 | mrSysDirManager = cmd.getMRSystemDirectoryManager() |
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171 | log.debug("addding %s to cleanup list..." % cmd) |
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172 | cmd.addCleanup(list) |
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173 | |
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174 | list.append(service.getTempDir()) |
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175 | log.debug(list) |
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176 | |
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177 | # archive_logs now |
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178 | cmdString = os.path.join(rootDirectory, "bin", "hodcleanup") # same python |
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179 | |
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180 | if (len(runningHadoops) == 0): |
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181 | log.info("len(runningHadoops) == 0, No running cluster?") |
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182 | log.info("Skipping __copy_archive_to_dfs") |
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183 | hadoopString = "" |
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184 | else: hadoopString=runningHadoops[0].path |
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185 | |
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186 | #construct the arguments |
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187 | if hodRingOptions['hodring'].has_key('log-destination-uri'): |
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188 | cmdString = cmdString + " --log-destination-uri " \ |
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189 | + hodRingOptions['hodring']['log-destination-uri'] |
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190 | |
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191 | hadoopLogDirs = service.getHadoopLogDirs() |
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192 | if hadoopLogDirs: |
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193 | cmdString = cmdString \ |
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194 | + " --hadoop-log-dirs " \ |
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195 | + ",".join(hadoopLogDirs) |
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196 | |
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197 | cmdString = cmdString \ |
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198 | + " --temp-dir " \ |
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199 | + service._cfg['temp-dir'] \ |
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200 | + " --hadoop-command-string " \ |
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201 | + hadoopString \ |
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202 | + " --user-id " \ |
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203 | + service._cfg['userid'] \ |
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204 | + " --service-id " \ |
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205 | + service._cfg['service-id'] \ |
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206 | + " --hodring-debug " \ |
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207 | + str(hodRingOptions['hodring']['debug']) \ |
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208 | + " --hodring-log-dir " \ |
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209 | + hodRingOptions['hodring']['log-dir'] \ |
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210 | + " --hodring-cleanup-list " \ |
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211 | + ",".join(list) |
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212 | |
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213 | if hodRingOptions['hodring'].has_key('syslog-address'): |
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214 | syslogAddr = hodRingOptions['hodring']['syslog-address'][0] + \ |
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215 | ':' + str(hodRingOptions['hodring']['syslog-address'][1]) |
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216 | cmdString = cmdString + " --hodring-syslog-address " + syslogAddr |
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217 | if service._cfg.has_key('pkgs'): |
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218 | cmdString = cmdString + " --pkgs " + service._cfg['pkgs'] |
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219 | |
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220 | if mrSysDirManager is not None: |
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221 | cmdString = "%s %s" % (cmdString, mrSysDirManager.toCleanupArgs()) |
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222 | |
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223 | log.info("cleanup commandstring : ") |
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224 | log.info(cmdString) |
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225 | |
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226 | # clean up |
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227 | cmd = ['/bin/sh', '-c', cmdString] |
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228 | |
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229 | mswindows = (sys.platform == "win32") |
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230 | originalcwd = os.getcwd() |
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231 | |
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232 | if not mswindows: |
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233 | try: |
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234 | pid = os.fork() |
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235 | if pid > 0: |
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236 | # exit first parent |
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237 | log.info("child(pid: %s) is now doing cleanup" % pid) |
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238 | sys.exit(0) |
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239 | except OSError, e: |
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240 | log.error("fork failed: %d (%s)" % (e.errno, e.strerror)) |
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241 | sys.exit(1) |
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242 | |
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243 | # decouple from parent environment |
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244 | os.chdir("/") |
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245 | os.setsid() |
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246 | os.umask(0) |
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247 | |
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248 | MAXFD = 128 # more than enough file descriptors to close. Just in case. |
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249 | for i in xrange(0, MAXFD): |
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250 | try: |
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251 | os.close(i) |
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252 | except OSError: |
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253 | pass |
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254 | |
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255 | try: |
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256 | os.execvp(cmd[0], cmd) |
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257 | finally: |
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258 | log.critical("exec failed") |
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259 | os._exit(1) |
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260 | |
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261 | except Exception, e: |
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262 | if service: |
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263 | if service.log: |
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264 | log = service.log |
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265 | else: |
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266 | log = getLogger(hodRingOptions['hodring'], 'hodring') |
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267 | log.error("Error in bin/hodring %s. \nStack trace:\n%s" %(get_exception_error_string(),get_exception_string())) |
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268 | |
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269 | log.info("now trying informing to ringmaster") |
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270 | log.info(hodRingOptions['hodring']['ringmaster-xrs-addr']) |
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271 | log.info(hodRingOptions.normalizeValue('hodring', 'ringmaster-xrs-addr')) |
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272 | log.info(to_http_url(hodRingOptions.normalizeValue( \ |
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273 | 'hodring', 'ringmaster-xrs-addr'))) |
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274 | # Report errors to the Ringmaster if possible |
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275 | try: |
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276 | ringXRAddress = to_http_url(hodRingOptions.normalizeValue( \ |
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277 | 'hodring', 'ringmaster-xrs-addr')) |
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278 | log.debug("Creating ringmaster XML-RPC client.") |
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279 | ringClient = hodXRClient(ringXRAddress) |
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280 | if ringClient is not None: |
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281 | addr = local_fqdn() + "_" + str(os.getpid()) |
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282 | ringClient.setHodRingErrors(addr, str(e)) |
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283 | log.info("Reported errors to ringmaster at %s" % ringXRAddress) |
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284 | except Exception, e: |
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285 | log.error("Failed to report errors to ringmaster at %s" % ringXRAddress) |
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286 | log.error("Reason : %s" % get_exception_string()) |
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287 | # End of reporting errors to the client |
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