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new vm location: /lmn/vm

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This commit is contained in:
Raphael Dannecker 2023-08-14 21:07:32 +02:00
parent bdbd4f8ce5
commit 8eb9748f93
4 changed files with 43 additions and 41 deletions
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22
roles/lmn_vm/files/create-vm.sh
View file

@ -3,7 +3,7 @@
set -eu
# if less than two arguments supplied, display usage
if [[ $# -ne 2 ]]; then
if [[ $# -ne 2 ]]; then
echo "This script takes as input the name of the VM to clone" >&2
echo "Usage: $0 vm_name_orig vm_name_clone" >&2
exit 1
@ -11,16 +11,16 @@ fi
VM_NAME=$1
VM_CLONE=$2
VM_DIR="/tmp/${UID}/vmimages"
VM_DIR="/tmp/${UID}/vm"
# Create User-VM-Dir and link system VM-Images
[[ -d "${VM_DIR}/xml" ]] || mkdir -p "${VM_DIR}/xml"
[[ -d "${VM_DIR}" ]] || mkdir -p "${VM_DIR}"
sudo /usr/local/bin/link-images.sh
# change to image-directory
cd "${VM_DIR}"
if { [[ ! -f "xml/${VM_NAME}.xml" ]] && [[ ! -f "/var/lib/libvirt/images/xml/${VM_NAME}.xml" ]]; } || [[ ! -f "${VM_NAME}.qcow2" ]]; then
if { [[ ! -f "${VM_NAME}.xml" ]] && [[ ! -f "/lmn/vm/${VM_NAME}.xml" ]]; } || [[ ! -f "${VM_NAME}.qcow2" ]]; then
echo "xml or qcow2 File does not exists." >&2
exit 1
fi
@ -30,10 +30,10 @@ chmod a-w "${VM_NAME}-${VM_CLONE}.qcow2"
# virsh --connect=qemu:///system dumpxml "${VM_NAME}" > "xml/${VM_NAME}-${VM_CLONE}.xml"
# copy machine-definition-file
if [[ -f "xml/${VM_NAME}.xml" ]]; then
cp "xml/${VM_NAME}.xml" "xml/${VM_NAME}-${VM_CLONE}.xml"
elif [[ -f "/var/lib/libvirt/images/xml/${VM_NAME}.xml" ]]; then
cp "/var/lib/libvirt/images/xml/${VM_NAME}.xml" "xml/${VM_NAME}-${VM_CLONE}.xml"
if [[ -f "${VM_NAME}.xml" ]]; then
cp "${VM_NAME}.xml" "${VM_NAME}-${VM_CLONE}.xml"
elif [[ -f "/lmn/vm/${VM_NAME}.xml" ]]; then
cp "/lmn/vm/${VM_NAME}.xml" "${VM_NAME}-${VM_CLONE}.xml"
else
echo "no machine definition file found" >&2
exit 1
@ -41,8 +41,8 @@ fi
# hardware addresses need to be removed, libvirt will assign
# new addresses automatically
sed -i /uuid/d "xml/${VM_NAME}-${VM_CLONE}.xml"
sed -i '/mac address/d' "xml/${VM_NAME}-${VM_CLONE}.xml"
sed -i /uuid/d "${VM_NAME}-${VM_CLONE}.xml"
sed -i '/mac address/d' "${VM_NAME}-${VM_CLONE}.xml"
# and actually rename the vm: (this also updates the storage path)
sed -i "s/${VM_NAME}/${VM_NAME}-${VM_CLONE}/" "xml/${VM_NAME}-${VM_CLONE}.xml"
sed -i "s/${VM_NAME}/${VM_NAME}-${VM_CLONE}/" "${VM_NAME}-${VM_CLONE}.xml"

1
roles/lmn_vm/files/mounthome.sh
View file

@ -1,7 +1,6 @@
#!/usr/bin/bash
set -eu
share="/srv/samba/schools/default-school/share/"
home="$(getent passwd "$SUDO_UID" | cut -d : -f 6 | sed 's|/srv/samba/schools/default-school/||')"
exit_script() {

12
roles/lmn_vm/files/rebase-vm.sh
View file

@ -31,7 +31,7 @@ if [[ $# -ne 1 ]]; then
fi
# change to Images directory
VM_DIR="/tmp/${UID}/vmimages"
VM_DIR="/tmp/${UID}/vm"
cd "${VM_DIR}"
VM_NAME="$1"
@ -68,15 +68,15 @@ qemu-img rebase -f qcow2 -b "${NEWBASE}" -F qcow2 "${VM_NAME}.qcow2"
if [[ -v NEWNAME ]]; then
# copy and adapt machine definition file
CURRENTNAME="${CURRENTBASE/.qcow2/}"
if [[ -f "xml/${CURRENTNAME}.xml" ]]; then
cp "xml/${CURRENTNAME}.xml" "xml/${NEWNAME}.xml"
elif [[ -f "/var/lib/libvirt/images/xml/${CURRENTNAME}.xml" ]]; then
cp "/var/lib/libvirt/images/xml/${CURRENTNAME}.xml" "xml/${NEWNAME}.xml"
if [[ -f "${CURRENTNAME}.xml" ]]; then
cp "${CURRENTNAME}.xml" "${NEWNAME}.xml"
elif [[ -f "/lmn/vm/${CURRENTNAME}.xml" ]]; then
cp "/lmn/vm/${CURRENTNAME}.xml" "${NEWNAME}.xml"
else
echo "no machine definition file found" >&2
exit 1
fi
sed -i "s/${CURRENTNAME}/${NEWNAME}/" "xml/${NEWNAME}.xml"
sed -i "s/${CURRENTNAME}/${NEWNAME}/" "${NEWNAME}.xml"
NEWNAME="${NEWNAME}.qcow2"
else
rm "${CURRENTBASE}"

49
roles/lmn_vm/files/upload-vm.sh
View file

@ -9,43 +9,46 @@ Create torrent and upload disk, torrent and xml-VM-Definiton on server.
EOF
}
VM_DIR="/tmp/${SUDO_UID}/vmimages"
VM_DIR="/tmp/${SUDO_UID}/vm"
upload_image() {
# check if VM-Diskimage exists
if [[ ! (-f "/var/lib/libvirt/images/${VM_NAME}.qcow2" || -f "${VM_DIR}/${VM_NAME}.qcow2") ]]; then
if [[ ! (-f "/lmn/vm/${VM_NAME}.qcow2" || -f "${VM_DIR}/${VM_NAME}.qcow2") ]]; then
echo "File not found ${VM_NAME}.qcow2" >&2
exit 1
fi
# link private VM-Diskimage to system-Dir
if [[ -f "${VM_DIR}/${VM_NAME}.qcow2" \
&& ( -f "/var/lib/libvirt/images/${VM_NAME}.qcow2" && ("${VM_DIR}/${VM_NAME}.qcow2" -nt "/var/lib/libvirt/images/${VM_NAME}.qcow2") \
|| ! -f "/var/lib/libvirt/images/${VM_NAME}.qcow2") ]]; then
echo "copy private VM-Diskimage to system-dir"
ln -f "${VM_DIR}/${VM_NAME}.qcow2" "/var/lib/libvirt/images/${VM_NAME}.qcow2"
fi
# check if VM-Machine-Definition XML exists
if [[ ! (-f "/var/lib/libvirt/images/xml/${VM_NAME}.xml" || -f "${VM_DIR}/xml/${VM_NAME}.xml") ]]; then
if [[ ! (-f "/lmn/vm/${VM_NAME}.xml" || -f "${VM_DIR}/${VM_NAME}.xml") ]]; then
echo "File not found ${VM_NAME}.xml" >&2
exit 1
fi
# copy private VM-Maschine-Definition XML to system-Dir
if [[ -f "${VM_DIR}/xml/${VM_NAME}.xml" \
&& ( -f "/var/lib/libvirt/images/xml/${VM_NAME}.xml" && $(cmp -s "${VM_DIR}/xml/${VM_NAME}.xml" "/var/lib/libvirt/images/xml/${VM_NAME}.xml") \
|| ! -f "/var/lib/libvirt/images/xml/${VM_NAME}.xml") ]]; then
echo "copy private VM-Maschine-Definition XML to system-dir"
cp "${VM_DIR}/xml/${VM_NAME}.xml" "/var/lib/libvirt/images/xml/"
sudo -u lmnsynci /usr/local/bin/vmimage-torrent stop "${VM_NAME}.qcow2"
# link private VM-Diskimage to system-Dir
if [[ -f "${VM_DIR}/${VM_NAME}.qcow2" \
&& ( -f "/lmn/vm/${VM_NAME}.qcow2" && ("${VM_DIR}/${VM_NAME}.qcow2" -nt "/lmn/vm/${VM_NAME}.qcow2") \
|| ! -f "/lmn/vm/${VM_NAME}.qcow2") ]]; then
echo "copy private VM-Diskimage to system-dir"
chown lmnsynci:lmnsynci "${VM_DIR}/${VM_NAME}.qcow2"
ln -f "${VM_DIR}/${VM_NAME}.qcow2" "/lmn/vm/${VM_NAME}.qcow2"
fi
cd /var/lib/libvirt/images
# copy private VM-Maschine-Definition XML to system-Dir
if [[ -f "${VM_DIR}/${VM_NAME}.xml" \
&& ( -f "/lmn/vm/${VM_NAME}.xml" && $(cmp -s "${VM_DIR}/${VM_NAME}.xml" "/lmn/vm/${VM_NAME}.xml") \
|| ! -f "/lmn/vm/${VM_NAME}.xml") ]]; then
echo "copy private VM-Maschine-Definition XML to system-dir"
chown lmnsynci:lmnsynci "${VM_DIR}/${VM_NAME}.xml"
cp -a "${VM_DIR}/${VM_NAME}.xml" "/lmn/vm/"
fi
cd /lmn/vm
# (re-) create torrent file
/usr/local/bin/vmimage-torrent create "${VM_NAME}.qcow2"
sudo -u lmnsynci /usr/local/bin/vmimage-torrent create "${VM_NAME}.qcow2"
# Upload Torrent, qcow2 and machine-definition-XML
[[ -f "/var/lib/libvirt/images/${VM_NAME}.qcow2.torrent" ]] && rsync -av --password-file=/etc/rsync.secret \
"/var/lib/libvirt/images/${VM_NAME}.qcow2.torrent" rsync://vmuser@server:/vmimages-upload/
rsync -av --password-file=/etc/rsync.secret "/var/lib/libvirt/images/${VM_NAME}.qcow2" \
[[ -f "/lmn/vm/${VM_NAME}.qcow2.torrent" ]] && rsync -av --password-file=/etc/rsync.secret \
"/lmn/vm/${VM_NAME}.qcow2.torrent" rsync://vmuser@server:/vmimages-upload/
rsync -av --password-file=/etc/rsync.secret "/lmn/vm/${VM_NAME}.qcow2" \
rsync://vmuser@server:/vmimages-upload/
rsync -av --password-file=/etc/rsync.secret "/lmn/vm/${VM_NAME}.xml" \
rsync://vmuser@server:/vmimages-upload/
rsync -av --password-file=/etc/rsync.secret "/var/lib/libvirt/images/xml/${VM_NAME}.xml" \
rsync://vmuser@server:/vmimages-upload/xml/
}
# if less than one arguments supplied, display usage