ZFSSA List Snapshots Script

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#!/bin/sh
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Usage() {
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 echo "$1 -u <Appliance user> -h <appliance> -j <project> -p <pool> -s <containsString>"
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 exit 1
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}
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PROG=$0
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while getopts u:h:s:j:p flag
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do
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  case "$flag" in
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  p) pool="$OPTARG";;
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  j) project="$OPTARG";;
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  s) string="$OPTARG";;
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  u) user="$OPTARG";;
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  h) appliance="$OPTARG";;
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  \?) Usage $PROG ;;
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  esac
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done
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[ -z "$pool" -o -z "$project" -o -z "$appliance" -o -z "$user" ] && Usage $PROG
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ssh -T $user@$appliance << EOF
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script
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var MyArguments = {
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  pool: '$pool',
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  project: '$project',
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  string: '$string'
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}
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function ListSnapshotsbyS (Arg) {
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  run('cd /');                          // Make sure we are at root child context level
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  run('shares');
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  try {
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      run('set pool=' + Arg.pool);
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  } catch (err) {
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      printf ('ERROR: %s\n',err);
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      return (err);
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  }
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  var allSnaps=[];
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  try {
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      run('select ' + Arg.project + ' snapshots');
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      snapshots=list();
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      for(i=0; i < snapshots.length; i++) {
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          allSnaps.push(snapshots[i]);
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      }
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        run('done');
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  } catch (err) {
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      printf ('ERROR: %s\n',err);
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            return(err);
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  }
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  for(i=0; i < allSnaps.length; i++) {
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   if (Arg.string !="") {
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    var idx=allSnaps[i].indexOf(Arg.string);
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    if (idx>0) {
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      printf('#%i: %s contained search string %s \n',i,allSnaps[i], Arg.string);
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    }
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   } else {
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      printf('#%i: %s \n',i,allSnaps[i]);
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   }
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  }
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  return(0);
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}
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ListSnapshotsbyS(MyArguments);
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.
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EOF