158 lines
4.2 KiB
Bash
Executable file
158 lines
4.2 KiB
Bash
Executable file
#!/usr/bin/bash
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# Push VM-Disk-Image on server
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set -eu
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show_help() {
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cat << EOF >&2
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Usage: $(basename "$0") [-d] [-a] [-t] [vmnames]"
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Images from vmnames-List will be synced from server. Default by torrent.
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Using flag -d VMs will be synced by rsync
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Using flag -a images from images.list and xml-directory will be synced from server.
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Using flag -t all torrents and xml-VM-Definitions will be synced
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EOF
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}
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download_image() {
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rsync -av "rsync://server:/vmimages-download/${VM_NAME}.qcow2" \
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/lmn/vm/
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rsync -av "rsync://server:/vmimages-download/${VM_NAME}.xml" \
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/lmn/vm/
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rsync -av "rsync://server:/vmimages-download/${VM_NAME}.qcow2.torrent" \
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/lmn/vm/
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/usr/local/bin/vmimage-torrent restart "${VM_NAME}.qcow2"
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}
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torrent_image() {
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if [[ ! -f "/lmn/vm/${VM_NAME}.qcow2.torrent" ]]; then
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echo "No torrent-File found"
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exit 1
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fi
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lockfile="/tmp/sync-vm-${VM_NAME}.lock"
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if ! flock -n "$lockfile" echo "try to acquire lock"; then
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echo torrent seems to be in process.
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echo waiting for completion ...
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flock -w 3600 "$lockfile" echo "...completed"
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sleep 5
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else
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(
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if ! flock -n 200; then
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echo "failed to acquire lock"
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echo "Bitte noch einmal starten."
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echo "Beliebige Taste zum Beenden."
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read -n 1
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exit 1
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fi
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torrent="${VM_NAME}.qcow2.torrent"
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session="${torrent//./_}"
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if vmimage-torrent status | grep -qw ^"$session"; then
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vmimage-torrent stop "${VM_NAME}.qcow2"
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fi
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cd /lmn/vm
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ctorrent -e 0 "${VM_NAME}.qcow2.torrent"
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/usr/local/bin/vmimage-torrent restart "${VM_NAME}.qcow2"
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if ! flock -u 200; then
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echo failed to drop lock
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exit 1
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fi
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) 200>"$lockfile"
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fi
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}
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sync_all_images() {
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rsync -av --files-from=/lmn/vm/images.list \
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rsync://server:/vmimages-download/ /lmn/vm/
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rsync -av rsync://server:/vmimages-download/*.xml \
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/lmn/vm/
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}
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delete_old_qcows() {
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cd /lmn/vm
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for qcow2 in $(find . -maxdepth 1 -name "*.qcow2" -exec basename {} ';'); do
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qcowsize=$(stat -c%s "${qcow2}")
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if [[ -f "${qcow2}.size" ]] && [[ "${qcowsize}" != $(<"${qcow2}.size") ]]; then
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torrent="${qcow2}.torrent"
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session="${torrent//./_}"
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if vmimage-torrent status | grep -qw ^"$session"; then
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vmimage-torrent stop "${qcow2}"
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fi
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mv "${qcow2}" /tmp/
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fi
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done
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}
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sync_all_torrents() {
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rsync -ai rsync://server:/vmimages-download/*.torrent /lmn/vm/
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rsync -ai rsync://server:/vmimages-download/*.size /lmn/vm/
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delete_old_qcows
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rsync -ai rsync://server:/vmimages-download/*.xml /lmn/vm/
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RSYNC_COMMAND=$(rsync -ai --delete --exclude=mimeinfo.cache rsync://server:/vmimages-download/desktop/ /usr/local/share/applications/ | sed '/ \.\//d')
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if [[ $? -eq 0 ]] && [[ -n "${RSYNC_COMMAND}" ]]; then
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echo "${RSYNC_COMMAND}"
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update-desktop-database /usr/local/share/applications
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fi
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}
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create_starter() {
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if [[ ! -f "/usr/share/applications/VM_${VM_NAME}_starter.desktop" ]]; then
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cat << EOF >"/usr/share/applications/VM_${VM_NAME}_starter.desktop"
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[Desktop Entry]
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Version=1.0
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Type=Application
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Name=VMstart: ${VM_NAME}
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GenericName=VM starter ${VM_NAME}
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Comment=Start VM ${VM_NAME}
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#TryExec=konsole
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Exec=/usr/local/bin/run-vm.sh ${VM_NAME}
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Icon=clementine
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Categories=VM;Engineering;
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MimeType=image/vnd.dxf;
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Keywords=design;VM;diagrams;graphics
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Terminal=true
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EOF
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update-desktop-database /usr/share/applications
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fi
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}
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if [[ "$(id -nu)" != "lmnsynci" ]]; then
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echo "$(basename "$0") must be run as lmnsynci user"
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show_help
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exit 1
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fi
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while getopts ':dat' OPTION; do
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case "$OPTION" in
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d)
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DOWNLOAD=1
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;;
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a)
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sync_all_images
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exit 0
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;;
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t)
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sync_all_torrents
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exit 0
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;;
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?)
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show_help
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exit 1
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;;
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esac
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done
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shift "$((OPTIND -1))"
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# if less than one arguments supplied, display usage
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if [[ $# -lt 1 ]]; then
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show_help
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exit 1
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fi
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for VM_NAME in "$@"; do
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if [[ -v "DOWNLOAD" ]]; then
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echo "Downloading $VM_NAME"
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download_image
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else
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echo "Torrenting $VM_NAME"
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torrent_image
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fi
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done
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