re-written for ksh93
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@ -1,4 +1,4 @@
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#!/usr/bin/env bash
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#!/sbin/sh
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# implement ordered VM start-up and shutdown on SmartOS | tamas@gerczei.eu
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# PREREQUISITE: 'vmadm update $UUID <<< "{\"set_tags\": {\"priority\": 0}}"' where 0 means 'OFF', the rest determines ascending and descending numerical order respectively
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@ -22,11 +22,11 @@ function log {
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case $1 in
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start)
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# determine the order of VMs by boot priority
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ORDER=( $(vmadm lookup -j -o uuid,tags | json -c 'this.tags.priority > 0' -a uuid tags.priority | sort -nk2 | cut -d " " -f1) )
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log start-up order determined as: ${ORDER[@]}
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ORDER=$(vmadm lookup -j -o uuid,tags | json -c 'this.tags.priority > 0' -a uuid tags.priority | sort -nk2 | cut -d " " -f1)
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log start-up order determined as: $ORDER
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# start guests
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for UUID in ${ORDER[*]}
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for UUID in $ORDER
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do
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# invoke vmadm
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vmadm start $UUID 2> /dev/null
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@ -44,11 +44,11 @@ case $1 in
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stop)
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# determine the order of VMs by reverse boot priority
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ORDER=( $(vmadm lookup -j -o uuid,tags state=running | json -a uuid tags.priority | sort -rnk2 | cut -d " " -f1) )
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log shutdown order determined as: ${ORDER[@]}
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ORDER=$(vmadm lookup -j -o uuid,tags state=running | json -a uuid tags.priority | sort -rnk2 | cut -d " " -f1)
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log shutdown order determined as: $ORDER
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# stop guests
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for UUID in ${ORDER[*]}
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for UUID in $ORDER
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do
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# invoke vmadm
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vmadm stop $UUID 2> /dev/null
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