86 wiersze
2.3 KiB
Bash
Executable File
86 wiersze
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Exit immediately on error
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set -e
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# Cronjobs don't inherit their env, so load from file
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source env.sh
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function info {
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bold="\033[1m"
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reset="\033[0m"
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echo -e "\n$bold[INFO] $1$reset\n"
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}
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info "Backup starting"
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TIME_START="$(date +%s.%N)"
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CONTAINERS_TO_STOP="$(docker ps --format "{{.ID}}" --filter "label=$DOCKER_STOP_OPT_IN_LABEL=true" | tr '\n' ' ')"
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CONTAINERS_TOTAL="$(docker ps --format "{{.ID}}" | wc -l)"
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echo "$CONTAINERS_TOTAL containers running"
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if [[ ! "$CONTAINERS_TO_STOP" =~ ^\ *$ ]]; then
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info "Stopping containers"
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TEMPFILE="$(mktemp)"
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docker stop $CONTAINERS_TO_STOP | tee "$TEMPFILE"
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CONTAINERS_STOPPED="$(cat $TEMPFILE | wc -l)"
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rm "$TEMPFILE"
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fi
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CONTAINERS_STOPPED=${CONTAINERS_STOPPED:-0}
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info "Creating backup"
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TIME_BACK_UP="$(date +%s.%N)"
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tar -czvf "$BACKUP_FILENAME" $BACKUP_SOURCES # allow the var to expand, in case we have multiple sources
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BACKUP_SIZE="$(du --bytes $BACKUP_FILENAME | sed 's/\s.*$//')"
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TIME_BACKED_UP="$(date +%s.%N)"
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if [[ ! "$CONTAINERS_TO_STOP" =~ ^\ *$ ]]; then
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info "Starting containers"
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docker start $CONTAINERS_TO_STOP
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fi
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info "Waiting before upload"
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echo "Sleeping $BACKUP_UPLOAD_WAIT_SECONDS seconds..."
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sleep "$BACKUP_UPLOAD_WAIT_SECONDS"
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TIME_UPLOAD="0"
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TIME_UPLOADED="0"
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if [ ! -z "$BACKUP_BUCKET_NAME" ]; then
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info "Uploading backup"
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TIME_UPLOAD="$(date +%s.%N)"
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aws s3 cp --only-show-errors "$BACKUP_FILENAME" "s3://$BACKUP_BUCKET_NAME/"
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echo "Upload finished"
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TIME_UPLOADED="$(date +%s.%N)"
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fi
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info "Cleaning up"
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rm -vf "$BACKUP_FILENAME"
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info "Collecting metrics"
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TIME_FINISH="$(date +%s.%N)"
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INFLUX_LINE="$INFLUXDB_MEASUREMENT\
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,host=$BACKUP_HOSTNAME\
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\
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size_compressed_bytes=$BACKUP_SIZE\
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,containers_total=$CONTAINERS_TOTAL\
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,containers_stopped=$CONTAINERS_STOPPED\
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,time_wall=$(perl -E "say $TIME_FINISH - $TIME_START")\
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,time_total=$(perl -E "say $TIME_FINISH - $TIME_START - $BACKUP_UPLOAD_WAIT_SECONDS")\
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,time_compress=$(perl -E "say $TIME_BACKED_UP - $TIME_BACK_UP")\
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,time_upload=$(perl -E "say $TIME_UPLOADED - $TIME_UPLOAD")\
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"
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echo "$INFLUX_LINE" | sed 's/ /,/g' | tr , '\n'
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if [ ! -z "$INFLUXDB_URL" ]; then
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info "Shipping metrics"
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curl \
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--silent \
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--include \
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--request POST \
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--user "$INFLUXDB_CREDENTIALS" \
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"$INFLUXDB_URL/write?db=$INFLUXDB_DB" \
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--data-binary "$INFLUX_LINE"
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fi
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info "Backup finished"
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echo "Script will now exit"
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