48 lines
1.7 KiB
Bash
48 lines
1.7 KiB
Bash
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#!/bin/sh
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echo
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echo "Taking a new backup"
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CONFIG_PATH=/data/options.json
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NUM_BACKUPS=$(jq --raw-output ".num_backups" $CONFIG_PATH)
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if [ $NUM_BACKUPS -lt 1 ] ; then
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NUM_BACKUPS=1
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fi
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# retrieve current backup list
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CURRENT_BACKUPS=$( curl -s -H "X-HASSIO-KEY: $HASSIO_TOKEN" http://hassio/backups )
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STATUS=$(echo "$CURRENT_BACKUPS" | jq --raw-output '.result')
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if [ ! "$STATUS" = "ok" ] ; then
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echo "ERROR: Can't retrieve current backup list."
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exit 1
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fi
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# take backup (this can take a long time)
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START_TIMESTAMP=$(date "+%s")
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RESULT=$( curl -s -H "X-HASSIO-KEY: $HASSIO_TOKEN" --data '{"name":"Automatic Backup"}' -X POST http://hassio/backups/new/full )
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BACKUP_TIMESTAMP=$(date "+%s")
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BACKUP_TIME=$(echo "$BACKUP_TIMESTAMP - $START_TIMESTAMP" | bc)
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# check if backup is ok
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STATUS=$(echo "$RESULT" | jq --raw-output '.result')
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if [ ! "$STATUS" = "ok" ] ; then
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echo "Backup FAILED after $BACKUP_TIME seconds."
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exit 1
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fi
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SLUG=$(echo "$RESULT" | jq --raw-output '.data.slug')
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echo "Backup $SLUG taken SUCCESSFULLY in $BACKUP_TIME seconds."
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# housekeeping:
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# we take the list of backups (which was taken before this backup)
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# we sort by date (reversed), remove the protected backups and take
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# only a list of slugs
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# then we skip the first NUM_BACKUPS slugs and delete all the rest
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FIRST_SLUG_TO_DELETE=$(echo "1 + $NUM_BACKUPS" | bc)
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echo $CURRENT_BACKUPS | jq --raw-output ".data.backups | sort_by(.date) | reverse[] | select(.slug != \"$SLUG\") | select (.protected==false) | .slug " | tail -n +$FIRST_SLUG_TO_DELETE | while read SLUG_TO_DELETE
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do
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echo "Removing backup $SLUG_TO_DELETE"
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curl -s -H "X-HASSIO-KEY: $HASSIO_TOKEN" -X POST http://hassio/backups/$SLUG_TO_DELETE/remove
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done
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