56 lines
1.9 KiB
Bash
Executable File
56 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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echo "`date +"%Y-%m-%d-%H%M"` Starting a DB backup."
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# First of all, let's pamper awscli because Python is so special:
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pip3 install --upgrade awscli
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# Get current script directory (pwd doesn't cut it)
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csd=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
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# Set the environment. We only grab the entries we need because otherwise we
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# need to deal with the edge cases presented by problematic values.
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set -o allexport
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cat $csd/../.env | grep "AWS_ACCESS_KEY_ID\|AWS_SECRET_ACCESS_KEY\|S3_BACKUP_PATH\|SKYNET_DB_USER\|SKYNET_DB_PASS\|SKYNET_DB_HOST\|SKYNET_DB_PORT" >.tmpenv
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source .tmpenv
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rm .tmpenv
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set +o allexport
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# Check for AWS credentials:
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if [[ $AWS_ACCESS_KEY_ID == "" || $AWS_SECRET_ACCESS_KEY == "" ]]; then
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echo "Missing AWS credentials!"
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exit 1
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fi
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# Check for backup path:
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if [[ $S3_BACKUP_PATH == "" ]]; then
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echo "Missing S3_BACKUP_PATH!"
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exit 1
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fi
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# Take the current datetime:
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DT=$(date +%Y-%m-%d)
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### MONGO DB ###
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echo "Creating a backup of MongoDB:"
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# Check if a backup already exists:
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totalFoundObjects=$(aws s3 ls $S3_BACKUP_PATH/$DT --recursive --summarize | grep "mongo" | wc -l)
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if [ "$totalFoundObjects" -ge "1" ]; then
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echo "Backup already exists for today. Skipping."
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else
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# Create the backup:
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docker exec mongo \
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mongodump \
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-o /data/db/backups/$DT \
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mongodb://$SKYNET_DB_USER:$SKYNET_DB_PASS@$SKYNET_DB_HOST:$SKYNET_DB_PORT
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docker exec mongo chmod o+rw /data/db/backups/
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if [[ $? > 0 ]]; then
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echo "Creating a MongoDB backup failed. Skipping."
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else
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# Compress the backup:
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cd $csd/../docker/data/mongo/db/backups/ && ls -l && tar -czf mongo.tgz $DT && cd -
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# Upload the backup to S3:
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aws s3 cp $csd/../docker/data/mongo/db/backups/mongo.tgz $S3_BACKUP_PATH/$DT/mongo.tgz
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# Clean up
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rm -rf $DT.tgz $csd/../docker/data/mongo/db/backups/mongo.tgz
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echo "Finished MongoDB backup."
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fi
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docker exec mongo rm -rf /data/db/backups/$DT
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fi
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