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download necessary qcow2-files automatically

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This commit is contained in:
Raphael Dannecker 2023-07-18 13:19:45 +02:00
parent 406b79bec4
commit b7a0c9fa30
2 changed files with 54 additions and 3 deletions
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28
roles/lmn_vm/files/run-vm.sh
View file

@ -48,13 +48,39 @@ if [[ $# -ne 1 ]] ; then
exit 1
fi
# sync vm-torrents and machine definition file
sudo /usr/local/bin/sync-vm.sh -t
VM_NAME=$1
VM_DIR="/tmp/${UID}/vmimages"
if [[ ! -f "/var/lib/libvirt/images/${VM_NAME}.qcow2" && ! -f "${VM_DIR}/${VM_NAME}.qcow2" ]]; then
echo "no base VM disk '${VM_NAME}.qcow2' found" >&2
if [[ ! -f "/var/lib/libvirt/images/${VM_NAME}.qcow2.torrent" ]]; then
echo "no base VM disk '${VM_NAME}.qcow2' found and/or ${VM_NAME} not found on server" >&2
exit 1
fi
# sync vm-disk image by torrent
sudo /usr/local/bin/sync-vm.sh "${VM_NAME}"
echo "sudo /usr/local/bin/sync-vm.sh ${VM_NAME}"
fi
echo "qcow2 seems to be available"
imgfile="/var/lib/libvirt/images/${VM_NAME}.qcow2" && [[ -f "${VM_DIR}/${VM_NAME}.qcow2" ]] && imgfile="${VM_DIR}/${VM_NAME}.qcow2"
#backingfile=$(qemu-img info -U "${imgfile}" | grep ^image: | cut -d' ' -f2)
backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
while [[ ! -z "${backingfile}" ]]; do
echo $backingfile
if [[ ! -f "/var/lib/libvirt/images/${backingfile}" && ! -f "${VM_DIR}/${backingfile}" ]]; then
# sync vm-disk image by torrent
sudo /usr/local/bin/sync-vm.sh "${backingfile//.qcow2/}"
echo "sudo /usr/local/bin/sync-vm.sh ${backingfile//.qcow2/}"
fi
imgfile="/var/lib/libvirt/images/${backingfile}" && [[ -f "${VM_DIR}/${backingfile}" ]] && imgfile="${VM_DIR}/${backingfile}"
backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
done
# check, if we have to start squid
if ! killall -s 0 squid; then

27
roles/lmn_vm/files/sync-vm.sh
View file

@ -48,6 +48,30 @@ sync_all_torrents() {
/var/lib/libvirt/images/
rsync -av --password-file=/etc/rsync.secret rsync://vmuser@server:/vmimages-download/xml \
/var/lib/libvirt/images/
rsync -av --password-file=/etc/rsync.secret rsync://vmuser@server:/vmimages-download/desktop/*.desktop \
/usr/share/applications/
update-desktop-database /usr/share/applications
}
create_starter() {
if [[ ! -f "/usr/share/applications/VM_${VM_NAME}_starter.desktop" ]]; then
cat << EOF >"/usr/share/applications/VM_${VM_NAME}_starter.desktop"
[Desktop Entry]
Version=1.0
Type=Application
Name=VMstart: ${VM_NAME}
GenericName=VM starter ${VM_NAME}
Comment=Start VM ${VM_NAME}
#TryExec=konsole
Exec=/usr/local/bin/run-vm.sh ${VM_NAME}
Icon=clementine
Categories=VM;Engineering;
MimeType=image/vnd.dxf;
Keywords=design;VM;diagrams;graphics
Terminal=true
EOF
update-desktop-database /usr/share/applications
fi
}
while getopts ':dat' OPTION; do
@ -57,10 +81,11 @@ while getopts ':dat' OPTION; do
;;
a)
sync_all_images
exit 1
exit 0
;;
t)
sync_all_torrents
exit 0
;;
?)
show_help