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[TOOLS] More options for defining VM templates #360

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[TOOLS] More options for defining VM templates #360

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57 changes: 46 additions & 11 deletions make.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,21 @@

VMDIR=$PWD
MACHINE="$(qemu-system-x86_64 --machine help | grep q35 | cut -d" " -f1 | grep -Eoe ".*-[0-9.]+" | sort -rV | head -1)"
VMNAME="macOS-Simple-KVM"
VMUUID="d06d502a-904a-4b34-847d-debf1a3d76c7"
VMCPUS=4
VMMEM=2097152
OUT="template.xml"

print_usage() {
echo
echo "Usage: $0"
echo
echo " -a, --add Add XML to virsh (uses sudo)."
echo " -a, --add Add XML to virsh (uses sudo)."
echo " -n, --name <str> Name of the VM (default 'macOS-Simple-KVM')"
echo " -u, --uuid Generates a new UUID for the VM"
echo " -c, --cpu <int> VM CPU count (default 4)"
echo " -m, --mem <int> VM memory in KiB (default 2097152)"
echo
}

Expand All @@ -21,18 +29,45 @@ error() {
}

generate(){
sed -e "s|VMDIR|$VMDIR|g" -e "s|MACHINE|$MACHINE|g" tools/template.xml.in > $OUT
sed -e "s|macOS-Simple-KVM|$VMNAME|g" -e "s|d06d502a-904a-4b34-847d-debf1a3d76c7|$VMUUID|g" -e "s|VMCPUS|$VMCPUS|g" -e "s|VMMEM|$VMMEM|g" -e "s|VMDIR|$VMDIR|g" -e "s|MACHINE|$MACHINE|g" tools/template.xml.in > $OUT
echo "$OUT has been generated in $VMDIR"
}

while [[ $# -gt 0 ]]; do
argument="$1"
case $argument in
-a|--add)
ADD=1
shift
;;
-n|--name)
VMNAME="$2"
shift
shift
;;
-u|--uuid)
VMUUID="$(uuidgen)"
shift
;;
-c|--cpu)
VMCPUS=$2
shift
shift
;;
-m|--mem)
VMMEM=$2
shift
shift
;;
-h|--help)
print_usage
shift
;;
esac
done

generate

argument="$1"
case $argument in
-a|--add)
sudo virsh define $OUT
;;
-h|--help)
print_usage
;;
esac
if [[ $ADD -eq 1 ]]; then
sudo virsh define $OUT
fi
8 changes: 4 additions & 4 deletions tools/template.xml.in
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<name>macOS-Simple-KVM</name>
<uuid>d06d502a-904a-4b34-847d-debf1a3d76c7</uuid>
<memory unit='KiB'>2097152</memory>
<currentMemory unit='KiB'>2097152</currentMemory>
<vcpu placement='static'>4</vcpu>
<memory unit='KiB'>VMMEM</memory>
<currentMemory unit='KiB'>VMMEM</currentMemory>
<vcpu placement='static'>VMCPUS</vcpu>
<os>
<type arch='x86_64' machine='MACHINE'>hvm</type>
<loader readonly='yes' type='pflash'>VMDIR/firmware/OVMF_CODE.fd</loader>
Expand All @@ -16,7 +16,7 @@
<vmport state='off'/>
</features>
<cpu>
<topology sockets='1' cores='4' threads='1'/>
<topology sockets='1' cores='VMCPUS' threads='1'/>
</cpu>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
Expand Down