| 1 | #!/bin/ksh |
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| 2 | # IBM_PROLOG_BEGIN_TAG |
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| 3 | # This is an automatically generated prolog. |
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| 4 | # |
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| 5 | # |
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| 6 | # |
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| 7 | # Licensed Materials - Property of IBM |
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| 8 | # |
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| 9 | # (C) COPYRIGHT International Business Machines Corp. 2005,2006 |
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| 10 | # All Rights Reserved |
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| 11 | # |
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| 12 | # US Government Users Restricted Rights - Use, duplication or |
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| 13 | # disclosure restricted by GSA ADP Schedule Contract with IBM Corp. |
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| 14 | # |
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| 15 | # IBM_PROLOG_END_TAG |
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| 16 | # @(#)85 1.3 src/avs/fs/mmfs/ts/admin/mmlspolicy.sh, mmfs, avs_rgpfs24, rgpfs240610b 1/23/06 01:57:02 |
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| 17 | ####################################################################### |
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| 18 | # |
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| 19 | # Usage: mmlspolicy Device [-L] |
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| 20 | # |
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| 21 | ####################################################################### |
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| 22 | |
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| 23 | # Include global declarations and service routines. |
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| 24 | . /usr/lpp/mmfs/bin/mmglobfuncs |
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| 25 | if [[ $ourUid -eq 0 ]] |
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| 26 | then |
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| 27 | . /usr/lpp/mmfs/bin/mmsdrfsdef |
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| 28 | . /usr/lpp/mmfs/bin/mmfsfuncs |
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| 29 | fi |
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| 30 | |
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| 31 | sourceFile="mmlspolicy.sh" |
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| 32 | [[ -n $DEBUG || -n $DEBUGmmlspolicy ]] && set -x |
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| 33 | $mmTRACE_ENTER "$*" |
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| 34 | |
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| 35 | usageMsg=358 |
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| 36 | integer rc=0 |
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| 37 | integer nodeCount=0 |
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| 38 | |
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| 39 | |
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| 40 | ##################################################################### |
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| 41 | # Process the command arguments. |
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| 42 | # The detailed syntax checking is left for the ts command. |
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| 43 | # Here we make sure that we have the minimum needed to continue. |
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| 44 | ##################################################################### |
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| 45 | [[ $arg1 = '-?' || $arg1 = '-h' || $arg1 = '--help' || $arg1 = '--' ]] && \ |
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| 46 | syntaxError "help" $usageMsg |
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| 47 | |
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| 48 | [[ $argc -lt 1 ]] && \ |
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| 49 | syntaxError "missingArgs" $usageMsg |
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| 50 | |
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| 51 | device=$arg1 # Save stripe group device (always the first parameter). |
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| 52 | shift 1 # Drop the device name from the parameter list. |
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| 53 | argList=$@ # Save the remainder of the argument list. |
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| 54 | |
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| 55 | |
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| 56 | ################################### |
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| 57 | # Set up trap exception handling. |
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| 58 | ################################### |
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| 59 | trap pretrap2 HUP INT QUIT KILL |
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| 60 | |
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| 61 | |
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| 62 | #################################################################### |
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| 63 | # If invoked by a root user, call the gpfsInit function to ensure |
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| 64 | # that the local copy of the mmsdrfs file and the rest of the GPFS |
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| 65 | # system files are up-to-date. There is no need to lock the sdr. |
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| 66 | # Non-root users are not allowed to invoke commands on other nodes. |
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| 67 | #################################################################### |
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| 68 | if [[ $ourUid -eq 0 ]] |
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| 69 | then |
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| 70 | gpfsInitOutput=$(gpfsInit nolock) |
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| 71 | setGlobalVar $? $gpfsInitOutput |
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| 72 | fi |
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| 73 | |
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| 74 | |
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| 75 | #################################### |
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| 76 | # Make sure the file system exists. |
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| 77 | #################################### |
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| 78 | # If the invocation is not for an explicitly-remote device, obtain the |
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| 79 | # needed information about the filesystem from the mmsdrfs file. |
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| 80 | if [[ $device != *:* ]] |
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| 81 | then |
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| 82 | findFSoutput=$(findFS "$device" $mmsdrfsFile) |
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| 83 | [[ -z $findFSoutput ]] && cleanupAndExit |
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| 84 | |
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| 85 | # Parse the output from the findFS function. |
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| 86 | set -f ; set -- $findFSoutput ; set +f |
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| 87 | fqDeviceName=$1 |
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| 88 | deviceName=$2 |
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| 89 | fsHomeCluster=$3 |
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| 90 | remoteDevice=$4 |
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| 91 | |
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| 92 | # If this is a remote file system, set fqDeviceName appropriately. |
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| 93 | [[ $fsHomeCluster != $HOME_CLUSTER ]] && \ |
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| 94 | fqDeviceName="$fsHomeCluster:/dev/$remoteDevice" |
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| 95 | else |
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| 96 | fqDeviceName=$device |
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| 97 | deviceName=${fqDeviceName##*:} |
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| 98 | fsHomeCluster=${fqDeviceName%%:*} |
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| 99 | remoteDevice=$deviceName |
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| 100 | fi |
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| 101 | |
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| 102 | |
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| 103 | ######################################################################## |
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| 104 | # Invoke the command on the local node. |
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| 105 | # Display any error messages and exit if any of the following are true: |
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| 106 | # - the command completed successfully |
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| 107 | # - there is an unacceptable error |
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| 108 | # (anything other than daemon down or quorum wait) |
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| 109 | # - the file system is remote |
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| 110 | # - we are not running as UID 0 |
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| 111 | # - this is a single node cluster |
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| 112 | ######################################################################## |
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| 113 | ${mmcmdDir}/${links}/mmlspolicy $fqDeviceName $argList 2>$errMsg |
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| 114 | rc=$(remapRC $?) |
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| 115 | if [[ ($rc -ne $MM_DaemonDown && $rc -ne $MM_QuorumWait) || |
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| 116 | $fsHomeCluster != $HOME_CLUSTER || |
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| 117 | $ourUid -ne 0 || |
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| 118 | $MMMODE = single ]] |
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| 119 | then |
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| 120 | if [[ $rc -eq $MM_FsNotFound ]] |
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| 121 | then |
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| 122 | if [[ $fsHomeCluster != $HOME_CLUSTER ]] |
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| 123 | then |
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| 124 | # The remote cluster does not know anything about this file system. |
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| 125 | printErrorMsg 108 $mmcmd $remoteDevice $fsHomeCluster |
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| 126 | else |
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| 127 | # Unexpected error. |
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| 128 | printErrorMsg 171 $mmcmd "file system $deviceName not found" $rc |
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| 129 | fi |
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| 130 | elif [[ $rc -eq $MM_Remotefs && $fsHomeCluster != $HOME_CLUSTER ]] |
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| 131 | then |
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| 132 | # The file system is not owned by the remote cluster. |
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| 133 | [[ $device != *:* ]] && \ |
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| 134 | printErrorMsg 111 $mmcmd $device $remoteDevice $fsHomeCluster |
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| 135 | printErrorMsg 112 $mmcmd $remoteDevice $fsHomeCluster |
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| 136 | elif [[ ($rc -eq $MM_HostDown || |
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| 137 | $rc -eq $MM_TimedOut || |
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| 138 | $rc -eq $MM_SecurityCfg || |
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| 139 | $rc -eq $MM_AuthorizationFailed || |
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| 140 | $rc -eq $MM_UnknownCluster) && |
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| 141 | $fsHomeCluster != $HOME_CLUSTER ]] |
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| 142 | then |
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| 143 | # Failed to connect to the remote cluster. |
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| 144 | [[ $rc -eq $MM_SecurityCfg ]] && \ |
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| 145 | printErrorMsg 150 $mmcmd |
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| 146 | [[ $rc -eq $MM_AuthorizationFailed ]] && \ |
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| 147 | printErrorMsg 151 $mmcmd |
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| 148 | printErrorMsg 105 $mmcmd $fsHomeCluster |
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| 149 | elif [[ $rc -eq $MM_DaemonDown ]] |
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| 150 | then |
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| 151 | # GPFS is down on this node. |
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| 152 | printErrorMsg 109 $mmcmd |
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| 153 | elif [[ $rc -eq $MM_QuorumWait ]] |
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| 154 | then |
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| 155 | # GPFS is not ready for commands. |
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| 156 | printErrorMsg 110 $mmcmd |
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| 157 | elif [[ $rc -eq $MM_ConnectionReset ]] |
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| 158 | then |
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| 159 | # An internode connection was reset. |
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| 160 | printErrorMsg 257 $mmcmd |
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| 161 | else |
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| 162 | # Either the command worked, or it is an unexpected error. |
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| 163 | [[ -s $errMsg ]] && $cat $errMsg 1>&2 |
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| 164 | # [[ $rc -ne 0 ]] && printErrorMsg 113 "$mmcmd" "tslspolicy $fqDeviceName" $rc |
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| 165 | fi # end of if [[ $rc -eq $MM_FsNotFound ]] |
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| 166 | cleanupAndExit $rc |
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| 167 | fi # end of if [[ ($rc -ne $MM_DaemonDown && ... ]] |
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| 168 | $rm -f $errMsg |
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| 169 | |
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| 170 | |
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| 171 | ####################################################################### |
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| 172 | # We come here if the file system is local but the local daemon is not |
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| 173 | # available. Find an active node and send the command there. |
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| 174 | ####################################################################### |
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| 175 | |
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| 176 | # Create a file with the reliable names of the nodes in the cluster. |
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| 177 | getNodeList $REL_HOSTNAME_Field $GLOBAL_ID $mmsdrfsFile > $nodefile |
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| 178 | preferredNode=$ourNodeName |
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| 179 | |
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| 180 | # Try the nodes one by one until you find a node that can execute the command. |
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| 181 | $mmcommon linkCommand $preferredNode $nodefile mmlspolicy $fqDeviceName $argList |
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| 182 | rc=$? |
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| 183 | |
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| 184 | cleanupAndExit $rc |
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| 185 | |
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