Add restic support
This commit is contained in:
Nicolas Chan
parent
7edc6ec8c7
commit
90c382b312
3 changed files with 312 additions and 55 deletions
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@ -1,6 +1,6 @@
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FROM alpine
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RUN apk add bash coreutils xxd
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RUN apk add bash coreutils xxd restic
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WORKDIR /code
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COPY ./backup.sh .
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186
backup.sh
186
backup.sh
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@ -38,7 +38,7 @@ debug-log () {
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fi
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}
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while getopts 'a:cd:e:f:hi:l:m:o:p:qs:vw:' FLAG; do
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while getopts 'a:cd:e:f:hi:l:m:o:p:qr:s:vw:' FLAG; do
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case $FLAG in
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a) COMPRESSION_ALGORITHM=$OPTARG ;;
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c) ENABLE_CHAT_MESSAGES=true ;;
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@ -57,6 +57,7 @@ while getopts 'a:cd:e:f:hi:l:m:o:p:qs:vw:' FLAG; do
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echo "-l Compression level (default: 3)"
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echo "-m Maximum backups to keep, use -1 for unlimited (default: 128)"
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echo "-o Output directory"
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echo "-r Restic repo name (if using restic)"
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echo "-p Prefix that shows in Minecraft chat (default: Backup)"
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echo "-q Suppress warnings"
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echo "-s Screen name, tmux session name, or hostname:port:password for RCON"
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@ -68,6 +69,7 @@ while getopts 'a:cd:e:f:hi:l:m:o:p:qs:vw:' FLAG; do
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l) COMPRESSION_LEVEL=$OPTARG ;;
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m) MAX_BACKUPS=$OPTARG ;;
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o) BACKUP_DIRECTORY=$OPTARG ;;
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r) RESTIC_REPO=$OPTARG ;;
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p) PREFIX=$OPTARG ;;
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q) SUPPRESS_WARNINGS=true ;;
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s) SCREEN_NAME=$OPTARG ;;
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@ -190,26 +192,42 @@ rcon-command () {
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exec 3>&-
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}
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if [[ $COMPRESSION_FILE_EXTENSION == "." ]]; then
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if ! "$DEBUG"; then
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QUIET="-q"
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else
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QUIET=""
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fi
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if [[ "$COMPRESSION_FILE_EXTENSION" == "." ]]; then
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COMPRESSION_FILE_EXTENSION=""
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fi
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# Check for missing encouraged arguments
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if ! $SUPPRESS_WARNINGS; then
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if [[ $SCREEN_NAME == "" ]]; then
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if [[ "$SCREEN_NAME" == "" ]]; then
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log-warning "Minecraft screen/tmux/rcon location not specified (use -s)"
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fi
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fi
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# Check for required arguments
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MISSING_CONFIGURATION=false
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if [[ $SERVER_WORLD == "" ]]; then
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if [[ "$SERVER_WORLD" == "" ]]; then
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log-fatal "Server world not specified (use -i)"
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MISSING_CONFIGURATION=true
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fi
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if [[ $BACKUP_DIRECTORY == "" ]]; then
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log-fatal "Backup directory not specified (use -o)"
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if [[ "$BACKUP_DIRECTORY" == "" ]] && [[ "$RESTIC_REPO" == "" ]]; then
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log-fatal "Backup location not specified (use -o or -r)"
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MISSING_CONFIGURATION=true
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fi
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if [[ "$RESTIC_REPO" != "" ]]; then
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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log-fatal "Both output directory (-o) and restic repo (-r) specified but only one may be used at a time"
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MISSING_CONFIGURATION=true
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fi
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if [[ $MAX_BACKUPS -ge 0 ]] && [[ $MAX_BACKUPS -lt 70 ]] && [[ $DELETE_METHOD == "thin" ]]; then
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log-fatal "Thinning delete with restic requires at least 70 snapshots to be kept. If you need to keep fewer than 70, use sequential delete."
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MISSING_CONFIGURATION=true
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fi
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fi
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if $MISSING_CONFIGURATION; then
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exit 1
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@ -257,9 +275,6 @@ message-players-color () {
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fi
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}
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# Notify players of start
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message-players "Starting backup..." "$ARCHIVE_FILE_NAME"
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# Parse file timestamp to one readable by "date"
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parse-file-timestamp () {
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local DATE_STRING
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@ -359,7 +374,7 @@ delete-thinning () {
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OLDEST_BACKUP_TIMESTAMP=$(parse-file-timestamp "${OLDEST_BACKUP_IN_BLOCK:0:19}")
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local BLOCK_COMMAND="$BLOCK_FUNCTION $OLDEST_BACKUP_TIMESTAMP"
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if $BLOCK_COMMAND; then
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if $BLOCK_COMMAND; then
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# Oldest backup in this block satisfies the condition for placement in the next block
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debug-log "$OLDEST_BACKUP_IN_BLOCK promoted to next block"
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else
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@ -374,14 +389,41 @@ delete-thinning () {
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delete-sequentially
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}
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delete-restic-sequential () {
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if [ "$MAX_BACKUPS" -ge 0 ]; then
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restic forget -r "$RESTIC_REPO" --keep-last "$MAX_BACKUPS" "$QUIET"
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fi
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}
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delete-restic-thinning () {
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if [ "$MAX_BACKUPS" -ge 70 ]; then
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# MAX_BACKUPS >= 70
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restic forget -r "$RESTIC_REPO" --keep-last 16 --keep-hourly 24 --keep-daily 30 --keep-weekly $((MAX_BACKUPS - 70)) "$QUIET"
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else
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# We have a check that MAX_BACKUPS is not 70 > MAX_BACKUPS >= 0, so we can assume here it is negative
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# Negative means don't delete old snapshots
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restic forget -r "$RESTIC_REPO" --keep-last 16 --keep-hourly 24 --keep-daily 30 --keep-weekly 9999999 "$QUIET"
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fi
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}
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# Delete old backups
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delete-old-backups () {
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case $DELETE_METHOD in
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"sequential") delete-sequentially
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;;
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"thin") delete-thinning
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;;
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esac
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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case $DELETE_METHOD in
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"sequential") delete-sequentially
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;;
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"thin") delete-thinning
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;;
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esac
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fi
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if [[ "$RESTIC_REPO" != "" ]]; then
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case $DELETE_METHOD in
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"sequential") delete-restic-sequential
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;;
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"thin") delete-restic-thinning
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;;
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esac
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fi
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}
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clean-up () {
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@ -391,59 +433,97 @@ clean-up () {
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# Save the world
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execute-command "save-all"
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# Notify players of completion
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WORLD_SIZE_BYTES=$(du -b --max-depth=0 "$SERVER_WORLD" | awk '{print $1}')
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ARCHIVE_SIZE_BYTES=$(du -b "$ARCHIVE_PATH" | awk '{print $1}')
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ARCHIVE_SIZE=$(du -h "$ARCHIVE_PATH" | awk '{print $1}')
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BACKUP_DIRECTORY_SIZE=$(du -h --max-depth=0 "$BACKUP_DIRECTORY" | awk '{print $1}')
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TIME_DELTA=$((END_TIME - START_TIME))
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# Check that archive size is not null and at least 200 Bytes
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if [[ "$ARCHIVE_EXIT_CODE" == "0" && "$WORLD_SIZE_BYTES" -gt 0 && "$ARCHIVE_SIZE" != "" && "$ARCHIVE_SIZE_BYTES" -gt 200 ]]; then
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COMPRESSION_PERCENT=$((ARCHIVE_SIZE_BYTES * 100 / WORLD_SIZE_BYTES))
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message-players-success "Backup complete!" "$TIME_DELTA s, $ARCHIVE_SIZE/$BACKUP_DIRECTORY_SIZE, $COMPRESSION_PERCENT%"
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delete-old-backups
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exit 0
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else
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rm "$ARCHIVE_PATH" # Delete bad archive so we can't fill up with bad archives
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message-players-error "Backup was not saved!" "Please notify an administrator"
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exit 1
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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WORLD_SIZE_BYTES=$(du -b --max-depth=0 "$SERVER_WORLD" | awk '{print $1}')
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ARCHIVE_SIZE_BYTES=$(du -b "$ARCHIVE_PATH" | awk '{print $1}')
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ARCHIVE_SIZE=$(du -h "$ARCHIVE_PATH" | awk '{print $1}')
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BACKUP_DIRECTORY_SIZE=$(du -h --max-depth=0 "$BACKUP_DIRECTORY" | awk '{print $1}')
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# Check that archive size is not null and at least 200 Bytes
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if [[ "$ARCHIVE_EXIT_CODE" == "0" && "$WORLD_SIZE_BYTES" -gt 0 && "$ARCHIVE_SIZE" != "" && "$ARCHIVE_SIZE_BYTES" -gt 200 ]]; then
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# Notify players of completion
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COMPRESSION_PERCENT=$((ARCHIVE_SIZE_BYTES * 100 / WORLD_SIZE_BYTES))
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message-players-success "Backup complete!" "$TIME_DELTA s, $ARCHIVE_SIZE/$BACKUP_DIRECTORY_SIZE, $COMPRESSION_PERCENT%"
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delete-old-backups
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exit 0
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else
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rm "$ARCHIVE_PATH" # Delete bad archive so we can't fill up with bad archives
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message-players-error "Backup was not saved!" "Please notify an administrator"
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exit 1
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fi
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fi
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if [[ "$RESTIC_REPO" != "" ]]; then
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if [[ "$ARCHIVE_EXIT_CODE" == "0" ]]; then
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message-players-success "Backup complete!" "$TIME_DELTA s"
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delete-old-backups
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exit 0
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else
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message-players-error "Backup was not saved!" "Please notify an administrator"
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exit 1
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fi
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fi
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}
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trap "clean-up" 2
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# Notify players of start
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message-players "Starting backup..." "$ARCHIVE_FILE_NAME"
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# Ensure backup directory exists
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mkdir -p "$(dirname "$ARCHIVE_PATH")"
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trap "clean-up" 2
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# Disable world autosaving
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execute-command "save-off"
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# Backup world
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START_TIME=$(date +"%s")
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case $COMPRESSION_ALGORITHM in
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# No compression
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"") tar -cf "$ARCHIVE_PATH" -C "$SERVER_WORLD" .
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;;
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# With compression
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*) tar -cf - -C "$SERVER_WORLD" . | $COMPRESSION_ALGORITHM -cv -"$COMPRESSION_LEVEL" - > "$ARCHIVE_PATH" 2>> /dev/null
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;;
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esac
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EXIT_CODES=("${PIPESTATUS[@]}")
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# tar exit codes: http://www.gnu.org/software/tar/manual/html_section/Synopsis.html
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# 0 = successful, 1 = some files differ, 2 = fatal
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if [ "${EXIT_CODES[0]}" == "1" ]; then
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log-warning "Some files may differ in the backup archive (file changed as read)"
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TAR_EXIT_CODE="0"
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else
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TAR_EXIT_CODE="${EXIT_CODES[0]}"
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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# Ensure backup directory exists
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mkdir -p "$(dirname "$ARCHIVE_PATH")"
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case $COMPRESSION_ALGORITHM in
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# No compression
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"") tar -cf "$ARCHIVE_PATH" -C "$SERVER_WORLD" .
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;;
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# With compression
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*) tar -cf - -C "$SERVER_WORLD" . | $COMPRESSION_ALGORITHM -cv -"$COMPRESSION_LEVEL" - > "$ARCHIVE_PATH" 2>> /dev/null
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;;
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esac
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EXIT_CODES=("${PIPESTATUS[@]}")
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# tar exit codes: http://www.gnu.org/software/tar/manual/html_section/Synopsis.html
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# 0 = successful, 1 = some files differ, 2 = fatal
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if [ "${EXIT_CODES[0]}" == "1" ]; then
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log-warning "Some files may differ in the backup archive (file changed as read)"
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TAR_EXIT_CODE="0"
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else
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TAR_EXIT_CODE="${EXIT_CODES[0]}"
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fi
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ARCHIVE_EXIT_CODE="$(exit-code "$TAR_EXIT_CODE" "${EXIT_CODES[1]}")"
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if [ "$ARCHIVE_EXIT_CODE" -ne 0 ]; then
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log-fatal "Archive command exited with nonzero exit code $ARCHIVE_EXIT_CODE"
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fi
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fi
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ARCHIVE_EXIT_CODE="$(exit-code "$TAR_EXIT_CODE" "${EXIT_CODES[1]}")"
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if [ "$ARCHIVE_EXIT_CODE" -ne 0 ]; then
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log-fatal "Archive command exited with nonzero exit code $ARCHIVE_EXIT_CODE"
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if [[ "$RESTIC_REPO" != "" ]]; then
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RESTIC_TIMESTAMP="${TIMESTAMP:0:10} ${TIMESTAMP:11:2}:${TIMESTAMP:14:2}:${TIMESTAMP:17:2}"
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restic backup -r "$RESTIC_REPO" "$SERVER_WORLD" --time "$RESTIC_TIMESTAMP" "$QUIET"
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ARCHIVE_EXIT_CODE=$?
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if [ "$ARCHIVE_EXIT_CODE" -eq 3 ]; then
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log-warning "Incomplete snapshot taken (some files could not be read)"
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ARCHIVE_EXIT_CODE="0"
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else
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if [ "$ARCHIVE_EXIT_CODE" -ne 0 ]; then
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# According to the restic docs, exit code is either 0, 1, or 3
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# Exit code 1 means fatal
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# See: https://restic.readthedocs.io/en/latest/040_backup.html
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log-fatal "No restic snapshot created (exit code $ARCHIVE_EXIT_CODE)"
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fi
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fi
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fi
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sync
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END_TIME=$(date +"%s")
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179
test/test.sh
179
test/test.sh
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@ -7,13 +7,16 @@ TEST_TMP="$TEST_DIR/tmp"
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SCREEN_TMP="tmp-screen"
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RCON_PORT="8088"
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RCON_PASSWORD="supersecret"
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export RESTIC_PASSWORD="restic-pass-secret"
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setUp () {
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chmod -R 755 "$TEST_TMP"
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rm -rf "$TEST_TMP"
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mkdir -p "$TEST_TMP/server/world"
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mkdir -p "$TEST_TMP/backups"
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echo "file1" > "$TEST_TMP/server/world/file1.txt"
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echo "file2" > "$TEST_TMP/server/world/file2.txt"
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echo "file3" > "$TEST_TMP/server/world/file3.txt"
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restic init -r "$TEST_TMP/backups-restic" -q
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screen -dmS "$SCREEN_TMP" bash
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while ! screen -S "$SCREEN_TMP" -Q "select" . &>/dev/null; do
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@ -42,6 +45,9 @@ tearDown () {
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}
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assert-equals-directory () {
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if ! [ -e "$1" ]; then
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fail "File not found: $1"
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fi
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if [ -d "$1" ]; then
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for FILE in "$1"/*; do
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assert-equals-directory "$FILE" "$2/${FILE##$1}"
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@ -65,8 +71,100 @@ check-backup () {
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check-backup-full-paths "$TEST_TMP/backups/$BACKUP_ARCHIVE" "$TEST_TMP/server/world"
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}
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check-latest-backup-restic () {
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WORLD_DIR="$TEST_TMP/server/world"
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restic restore latest -r "$TEST_TMP/backups-restic" --target "$TEST_TMP/restored" -q
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assert-equals-directory "$WORLD_DIR" "$TEST_TMP/restored/$WORLD_DIR"
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rm -rf "$TEST_TMP/restored"
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}
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# Tests
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test-restic-incomplete-snapshot () {
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chmod 000 "$TEST_TMP/server/world/file1.txt"
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TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
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OUTPUT="$(./backup.sh -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP")"
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assertContains "$OUTPUT" "Incomplete snapshot taken"
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}
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test-restic-no-snapshot () {
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rm -rf "$TEST_TMP/server"
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TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
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OUTPUT="$(./backup.sh -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP")"
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EXIT_CODE="$?"
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assertNotEquals 0 "$EXIT_CODE"
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assertContains "$OUTPUT" "No restic snapshot created"
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}
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test-restic-thinning-too-few () {
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TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
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OUTPUT="$(./backup.sh -m 10 -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP" 2>&1)"
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EXIT_CODE="$?"
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assertNotEquals 0 "$EXIT_CODE"
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assertContains "$OUTPUT" "Thinning delete with restic requires at least 70 snapshots to be kept."
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}
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test-restic-thinning-delete-long () {
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for i in $(seq 0 99); do
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TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i day")"
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./backup.sh -m -1 -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP"
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done
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EXPECTED_TIMESTAMPS=(
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# Weekly
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"2021-01-03 00:00:00"
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"2021-01-10 00:00:00"
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"2021-01-17 00:00:00"
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"2021-01-24 00:00:00"
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"2021-01-31 00:00:00"
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# Daily (30)
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"2021-03-13 00:00:00"
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"2021-03-14 00:00:00"
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"2021-03-15 00:00:00"
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"2021-03-16 00:00:00"
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"2021-03-17 00:00:00"
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"2021-03-18 00:00:00"
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# Hourly (24)
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"2021-03-19 00:00:00"
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"2021-03-20 00:00:00"
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"2021-03-21 00:00:00"
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"2021-03-22 00:00:00"
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"2021-03-23 00:00:00"
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"2021-03-24 00:00:00"
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"2021-03-25 00:00:00"
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"2021-03-26 00:00:00"
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# Sub-hourly (16)
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"2021-03-26 00:00:00"
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"2021-03-27 00:00:00"
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"2021-03-28 00:00:00"
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"2021-03-29 00:00:00"
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"2021-03-30 00:00:00"
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"2021-03-31 00:00:00"
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"2021-04-01 00:00:00"
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"2021-04-02 00:00:00"
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"2021-04-03 00:00:00"
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"2021-04-04 00:00:00"
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"2021-04-05 00:00:00"
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"2021-04-06 00:00:00"
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"2021-04-07 00:00:00"
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"2021-04-08 00:00:00"
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"2021-04-09 00:00:00"
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"2021-04-10 00:00:00"
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)
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SNAPSHOTS="$(restic snapshots -r "$TEST_TMP/backups-restic")"
|
||||
for TIMESTAMP in "${EXPECTED_TIMESTAMPS[@]}"; do
|
||||
assertContains "$SNAPSHOTS" "$TIMESTAMP"
|
||||
done
|
||||
}
|
||||
|
||||
test-restic-defaults () {
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
|
||||
./backup.sh -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP"
|
||||
check-latest-backup-restic
|
||||
}
|
||||
|
||||
test-backup-defaults () {
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
|
||||
./backup.sh -i "$TEST_TMP/server/world" -o "$TEST_TMP/backups" -s "$SCREEN_TMP" -f "$TIMESTAMP"
|
||||
|
|
@ -123,7 +221,14 @@ test-missing-options () {
|
|||
assertEquals 1 "$EXIT_CODE"
|
||||
assertContains "$OUTPUT" "Minecraft screen/tmux/rcon location not specified (use -s)"
|
||||
assertContains "$OUTPUT" "Server world not specified"
|
||||
assertContains "$OUTPUT" "Backup directory not specified"
|
||||
assertContains "$OUTPUT" "Backup location not specified"
|
||||
}
|
||||
|
||||
test-restic-and-output-options () {
|
||||
OUTPUT="$(./backup.sh -c -i "$TEST_TMP/server/world" -o "$TEST_TMP/backups" -s "$SCREEN_TMP" -f "$TIMESTAMP" -r "$TEST_TMP/backups-restic" 2>&1)"
|
||||
EXIT_CODE="$?"
|
||||
assertEquals 1 "$EXIT_CODE"
|
||||
assertContains "$OUTPUT" "Both output directory (-o) and restic repo (-r) specified but only one may be used at a time"
|
||||
}
|
||||
|
||||
test-missing-options-suppress-warnings () {
|
||||
|
|
@ -242,6 +347,24 @@ test-sequential-delete () {
|
|||
assertEquals 10 "$(find "$TEST_TMP/backups" -type f | wc -l)"
|
||||
}
|
||||
|
||||
test-restic-sequential-delete () {
|
||||
for i in $(seq 0 20); do
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i hour")"
|
||||
./backup.sh -d "sequential" -m 10 -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP"
|
||||
done
|
||||
assertEquals 10 "$(restic list snapshots -r "$TEST_TMP/backups-restic" | wc -l)"
|
||||
check-latest-backup-restic
|
||||
SNAPSHOTS="$(restic snapshots -r "$TEST_TMP/backups-restic")"
|
||||
for i in $(seq 11 20); do
|
||||
TIMESTAMP="$(date "+%F %H:%M:%S" --date="2021-01-01 +$i hour")"
|
||||
assertContains "$SNAPSHOTS" "$TIMESTAMP"
|
||||
done
|
||||
for i in $(seq 0 10); do
|
||||
TIMESTAMP="$(date "+%F %H:%M:%S" --date="2021-01-01 +$i hour")"
|
||||
assertNotContains "$SNAPSHOTS" "$TIMESTAMP"
|
||||
done
|
||||
}
|
||||
|
||||
test-thinning-delete () {
|
||||
for i in $(seq 0 99); do
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i hour")"
|
||||
|
|
@ -292,6 +415,60 @@ test-thinning-delete () {
|
|||
done
|
||||
}
|
||||
|
||||
test-restic-thinning-delete () {
|
||||
for i in $(seq 0 99); do
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i hour")"
|
||||
./backup.sh -m 70 -i "$TEST_TMP/server/world" -r "$TEST_TMP/backups-restic" -s "$SCREEN_TMP" -f "$TIMESTAMP"
|
||||
done
|
||||
EXPECTED_TIMESTAMPS=(
|
||||
# Weekly
|
||||
|
||||
# Daily (30)
|
||||
"2021-01-01 23:00:00"
|
||||
"2021-01-02 23:00:00"
|
||||
"2021-01-03 23:00:00"
|
||||
|
||||
# Hourly (24)
|
||||
"2021-01-04 04:00:00"
|
||||
"2021-01-04 05:00:00"
|
||||
"2021-01-04 06:00:00"
|
||||
"2021-01-04 07:00:00"
|
||||
"2021-01-04 08:00:00"
|
||||
"2021-01-04 09:00:00"
|
||||
"2021-01-04 10:00:00"
|
||||
"2021-01-04 11:00:00"
|
||||
|
||||
# Sub-hourly (16)
|
||||
"2021-01-04 12:00:00"
|
||||
"2021-01-04 13:00:00"
|
||||
"2021-01-04 14:00:00"
|
||||
"2021-01-04 15:00:00"
|
||||
"2021-01-04 16:00:00"
|
||||
"2021-01-04 17:00:00"
|
||||
"2021-01-04 18:00:00"
|
||||
"2021-01-04 19:00:00"
|
||||
"2021-01-04 20:00:00"
|
||||
"2021-01-04 21:00:00"
|
||||
"2021-01-04 22:00:00"
|
||||
"2021-01-04 23:00:00"
|
||||
"2021-01-05 00:00:00"
|
||||
"2021-01-05 01:00:00"
|
||||
"2021-01-05 02:00:00"
|
||||
"2021-01-05 03:00:00"
|
||||
)
|
||||
SNAPSHOTS="$(restic snapshots -r "$TEST_TMP/backups-restic")"
|
||||
for TIMESTAMP in "${EXPECTED_TIMESTAMPS[@]}"; do
|
||||
assertContains "$SNAPSHOTS" "$TIMESTAMP"
|
||||
done
|
||||
UNEXPECTED_TIMESTAMPS=(
|
||||
"2021-01-01 00:00:00"
|
||||
"2021-01-02 22:00:00"
|
||||
)
|
||||
for TIMESTAMP in "${UNEXPECTED_TIMESTAMPS[@]}"; do
|
||||
assertNotContains "$SNAPSHOTS" "$TIMESTAMP"
|
||||
done
|
||||
}
|
||||
|
||||
test-thinning-delete-long () {
|
||||
for i in $(seq 0 99); do
|
||||
TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i day")"
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue