1 | #!/bin/bash |
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2 | |
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3 | #----------------------------------------------------------- |
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4 | # $Id: execute.sh 128 2009-06-26 08:43:23Z rosiere $ |
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5 | #----------------------------------------------------------- |
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6 | |
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7 | #-----[ global variable ]----------------------------------- |
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8 | |
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9 | #-----[ lock ]---------------------------------------------- |
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10 | function lock () |
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11 | { |
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12 | lockfile -1 ${1}; |
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13 | } |
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14 | |
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15 | #-----[ unlock ]-------------------------------------------- |
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16 | function unlock () |
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17 | { |
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18 | rm -f ${1}; |
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19 | } |
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20 | |
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21 | #-----[ my_date ]------------------------------------------- |
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22 | function my_date () |
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23 | { |
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24 | date +"%F %T"; |
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25 | } |
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26 | |
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27 | #-----[ execute_usage ]------------------------------------- |
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28 | function execute_usage () |
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29 | { |
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30 | echo "Usage : ${0} path_work file_cmd file_cpt file_cpu id"; |
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31 | echo "Arguments : "; |
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32 | echo " * path_work : directory to execute command"; |
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33 | echo " * file_cmd : list of command"; |
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34 | echo " * file_cpt : file with the index of next command to execute"; |
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35 | echo " * file_cpu : tmp file to stock the current index"; |
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36 | echo " * id : identification"; |
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37 | exit; |
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38 | } |
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39 | |
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40 | #-----[ execute_test_usage ]-------------------------------- |
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41 | function execute_test_usage () |
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42 | { |
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43 | if test ${#} -ne 5; then |
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44 | execute_usage; |
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45 | fi; |
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46 | |
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47 | if test ! -d ${1}; then |
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48 | echo "Directory ${1} is invalid"; |
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49 | fi; |
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50 | } |
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51 | |
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52 | #-----[ execute ]------------------------------------------- |
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53 | function execute () |
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54 | { |
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55 | # test_usage |
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56 | execute_test_usage ${*}; |
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57 | |
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58 | local -a COMMAND; |
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59 | local -i CPT_OLD; |
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60 | local -i CPT; |
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61 | local PATH_WORK=${1}; |
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62 | local FILE_CMD=${2}; |
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63 | local FILE_CPT=${3}; |
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64 | local FILE_CPU=${4}; |
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65 | local ID=${5}; |
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66 | local LOCK_CPT="${PATH_WORK}/.lock-cpt"; |
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67 | local LOCK_CPU="${PATH_WORK}/.lock-cpu"; |
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68 | local OUTPUT_FILE_INFO="distexe.info"; |
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69 | local OUTPUT_FILE_CMD="distexe.command"; |
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70 | local OUTPUT_FILE_OUT="distexe.output"; |
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71 | |
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72 | # echo " * {"$(my_date)"} <${ID}> pid is $$"; |
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73 | |
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74 | # Init CPT if this thread is the first |
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75 | lock ${LOCK_CPT}; |
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76 | if test ! -s ${FILE_CPT}; then |
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77 | echo " * {"$(my_date)"} <${ID}> create counter file ${FILE_CPT}"; |
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78 | echo "0" > ${FILE_CPT}; |
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79 | fi; |
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80 | unlock ${LOCK_CPT}; |
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81 | |
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82 | # read, line by line, the command file and write in array |
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83 | CPT=0; |
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84 | |
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85 | while read line; do |
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86 | COMMAND[${CPT}]="${line}"; |
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87 | CPT=$((${CPT}+1)); |
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88 | done < ${FILE_CMD}; |
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89 | |
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90 | local -i NB_DIGIT=0; |
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91 | local -i NB_COMMAND=${#COMMAND[*]}; |
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92 | local -i x=${NB_COMMAND}; |
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93 | |
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94 | while test ${x} -ne 0; do |
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95 | NB_DIGIT=$((${NB_DIGIT} + 1)); |
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96 | x=$((${x} / 10)); |
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97 | done; |
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98 | |
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99 | echo " * {"$(my_date)"} <${ID}> is ready"; |
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100 | |
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101 | # infinite loop |
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102 | CPT_OLD=0; |
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103 | CPT=0; |
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104 | |
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105 | while test 1; do |
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106 | # Take a number |
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107 | CPT_OLD=${CPT}; |
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108 | |
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109 | # Read the index, and increase |
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110 | lock ${LOCK_CPT}; |
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111 | CPT=$(cat ${FILE_CPT}); |
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112 | echo "$((${CPT}+1))" > ${FILE_CPT}; |
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113 | unlock ${LOCK_CPT}; |
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114 | |
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115 | # test if this number is valid |
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116 | if test ${CPT} -ge ${NB_COMMAND}; then |
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117 | CPT=${NB_COMMAND}; |
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118 | fi; |
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119 | |
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120 | # test if between the cpt_old and cpt, there are a synchronisation command |
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121 | |
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122 | # local -i CPT_SYNC=${CPT}_OLD; |
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123 | # |
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124 | # while test ${CPT}_SYNC -lt ${CPT}; do |
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125 | # if test -z "${COMMAND[${CPT}_SYNC]}"; then |
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126 | # echo " * {"$(my_date)"} <${ID}> synchronisation [${CPT}_SYNC]"; |
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127 | # fi; |
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128 | # CPT_SYNC=$((${CPT}_SYNC+1)); |
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129 | # done; |
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130 | |
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131 | # test if this number is valid |
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132 | if test ${CPT} -eq ${NB_COMMAND}; then |
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133 | break; |
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134 | fi; |
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135 | |
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136 | # Test if command is empty ! |
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137 | if test ! -z "${COMMAND[${CPT}]}"; then |
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138 | local NUM=$(printf %.${NB_DIGIT}d ${CPT}); |
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139 | |
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140 | # echo " * {"$(my_date)"} <${ID}> execute command [${NUM}] : ${COMMAND[${CPT}]}"; |
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141 | echo " * {"$(my_date)"} <${ID}> command [${NUM}/${NB_COMMAND}] : execute"; |
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142 | local PATH_CURRENT=${PWD}; |
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143 | |
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144 | cd ${PATH_WORK} &> /dev/null; |
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145 | mkdir "Task_${NUM}" &> /dev/null; |
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146 | cd "Task_${NUM}" &> /dev/null; |
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147 | echo "id : ${ID}" > ${OUTPUT_FILE_INFO}; |
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148 | echo "host : ${HOSTNAME}" >> ${OUTPUT_FILE_INFO}; |
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149 | echo "pid : $$" >> ${OUTPUT_FILE_INFO}; |
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150 | echo "date : "$(my_date) >> ${OUTPUT_FILE_INFO}; |
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151 | echo "#!/bin/bash" > ${OUTPUT_FILE_CMD}; |
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152 | echo 'source ${HOME}/.bashrc;' >> ${OUTPUT_FILE_CMD}; |
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153 | echo "${COMMAND[${CPT}]}" >> ${OUTPUT_FILE_CMD}; |
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154 | chmod +x ${OUTPUT_FILE_CMD}; |
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155 | ./${OUTPUT_FILE_CMD} &> ${OUTPUT_FILE_OUT}; |
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156 | cd ${PATH_CURRENT} &> /dev/null; |
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157 | echo " * {"$(my_date)"} <${ID}> command [${NUM}/${NB_COMMAND}] : done"; |
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158 | fi; |
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159 | done; |
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160 | |
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161 | echo " * {"$(my_date)"} <${ID}> is done"; |
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162 | |
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163 | lock ${LOCK_CPU}; |
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164 | CPT=$(cat ${FILE_CPU}); # read the index |
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165 | CPT=$((${CPT}-1)); |
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166 | echo "${CPT}" > ${FILE_CPU}; # write the next index |
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167 | unlock ${LOCK_CPU}; |
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168 | |
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169 | if test ${CPT} -eq 0; then |
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170 | echo " * {"$(my_date)"} <${ID}> All task is executed on this host"; |
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171 | rm ${FILE_CPU}; |
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172 | fi; |
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173 | } |
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174 | |
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175 | #-----[ Corps ]--------------------------------------------- |
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176 | execute ${*}; |
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