forked from ungleich-public/cdist
73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
################################################################################
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# Default VM parameters
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#
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cores=4
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memory=$((8*1024*1024*1024))
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system_disk_size=$((50*1024*1024*1024))
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[ -f "$__object/parameter/memory" ] && memory="$(cat "$__object/parameter/memory")"
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[ -f "$__object/parameter/cores" ] && cores="$(cat "$__object/parameter/cores")"
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[ -f "$__object/parameter/system-disk-size" ] && system_disk_size="$(cat "$__object/parameter/system-disk-size")"
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# Convert memory to MiB (kvm/qemu requirement)
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memory_mebibytes=$(($memory/(1024*1024)))
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################################################################################
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# Required VM parameters
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#
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nic_pz="$(cat "$__object/parameter/nic-pz")"
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nic_fz="$(cat "$__object/parameter/nic-fz")"
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vm=$__object_id
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basedir=/opt/local.ch/sys/kvm/vm/$vm
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system_disk=$basedir/system-disk
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start_on_boot=$basedir/start-on-boot
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vnc_socket=unix:$basedir/vnc
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pidfile=$basedir/pid
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monitor=$basedir/monitor
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mkdir -p "$__object/files"
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start_file_source=$__object/files/start
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start_file_destination=$basedir/start
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#Base VM directory
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__directory $basedir --parents yes \
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--owner root --group root
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cat << eof > "$start_file_source"
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#!/bin/sh
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# Generated shell script - do not modify
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#
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/usr/libexec/qemu-kvm \\
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-name $vm \\
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-enable-kvm \\
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-m $memory_mebibytes \\
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-drive file=${system_disk},if=virtio \\
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-vnc $vnc_socket \\
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-cpu host \\
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-boot order=nc \\
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-pidfile "$pidfile" \\
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-monitor "unix:$monitor,server,nowait" \\
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-net nic,macaddr=$nic_pz,model=virtio,vlan=200 \\
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-net tap,script=/opt/local.ch/sys/kvm/bin/ifup-pz,downscript=/opt/local.ch/sys/kvm/bin/ifdown,vlan=200 \\
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-net nic,macaddr=$nic_fz,model=virtio,vlan=300 \\
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-net tap,script=/opt/local.ch/sys/kvm/bin/ifup-fz,downscript=/opt/local.ch/sys/kvm/bin/ifdown,vlan=300 \\
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-smp $cores
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eof
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require="__directory/$basedir" __file $start_file_destination \
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--source $start_file_source --mode 0755 --owner root --group root
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require="__directory/$basedir" __qemu_img "$system_disk" \
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--size "$system_disk_size"
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# Normally, create a flag to start a VM on boot (if not
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# explicitly told we should not)
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if [ ! -f "$__object/parameter/do-not-start-on-boot" ]; then
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require="__directory/$basedir" __file "$start_on_boot" \
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--mode 0600 --owner root --group root
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else
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__file "$start_on_boot" --state absent
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fi
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