51 wiersze
1.1 KiB
Bash
51 wiersze
1.1 KiB
Bash
#!/bin/bash
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#Author: Guido Diepen
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#Convenience script that can help me to easily create a clone of a given
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#data volume. The script is mainly useful if you are using named volumes
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#First check if the user provided all needed arguments
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if [ "$1" = "" ]
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then
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echo "Please provide a source volume name"
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exit
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fi
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if [ "$2" = "" ]
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then
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echo "Please provide a destination volume name"
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exit
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fi
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#Check if the source volume name does exist
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docker volume inspect $1 > /dev/null 2>&1
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if [ "$?" != "0" ]
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then
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echo "The source volume \"$1\" does not exist"
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exit
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fi
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#Now check if the destinatin volume name does not yet exist
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docker volume inspect $2 > /dev/null 2>&1
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if [ "$?" = "0" ]
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then
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echo "The destination volume \"$2\" already exists"
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exit
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fi
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echo "Creating destination volume \"$2\"..."
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docker volume create --name $2
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echo "Copying data from source volume \"$1\" to destination volume \"$2\"..."
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docker run --rm \
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-i \
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-t \
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-v $1:/from \
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-v $2:/to \
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alpine ash -c "cd /to ; cp -a /from/* ."
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