50 lines
1.2 KiB
Bash
50 lines
1.2 KiB
Bash
#!/bin/bash
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# mysql database backup.
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# executed by duplicati run-script-before-required
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# required environment variables:
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# DESTINATION
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# MYSQL_HOST
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# MYSQL_USER
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# MYSQL_PASSWORD
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# MYSQL_DATABASE
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# download directly from git
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# curl https://git.limbosolutions.com/kb/duplicati/raw/branch/main/docker/scripts/backupdb.sh > backupdb.sh | chmod +x backupdb.sh
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#any error must stop execution
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set -e
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if [ $DUPLICATI__OPERATIONNAME != "Backup" ]
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then
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echo "Not a backup operation. exiting!"
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#OK, run operation
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return 0
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fi
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if [ -z ${DESTINATION} ]
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then
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echo "\$DESTINATION environment variable cannot be empty empty"
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#5: Error don't run operation
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exit 5
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fi
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TARGETFILENAME=${MYSQL_NAME}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql
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echo "dump file name:$TARGETFILENAME"
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if [ -f /tmp/${TARGETFILENAME} ]
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then
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rm /tmp/${TARGETFILENAME}
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fi
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mysqldump -h ${MYSQL_HOST} --user=${MYSQL_USER} -p"${MYSQL_PASSWORD}" ${MYSQL_DATABASE} > /tmp/${TARGETFILENAME}
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if [ x$(find "$DESTINATION" -prune -empty) = x"$DESTINATION" ]; then
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echo "folder is empty... ignoring clean db dump folder"
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else
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rm -r ${DESTINATION} /*
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fi
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mv /tmp/${TARGETFILENAME} ${DESTINATION}/${TARGETFILENAME}
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return 0 |