48 wiersze
1.1 KiB
Bash
Executable File
48 wiersze
1.1 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# The script repeates docker_clone_volume.sh
|
|
# Thanks to maddin25 who provides solution in
|
|
# https://stackoverflow.com/questions/42973347/how-to-copy-docker-volume-from-one-machine-to-another
|
|
|
|
# The script is mainly useful if you are using named volumes and
|
|
# on both hosts you should have running docker diemon
|
|
# and have access to root, obviously.
|
|
|
|
# arg: $1: source volume name
|
|
# arg: $2: target host
|
|
# arg: $3: target volume name
|
|
|
|
#First check if the user provided all needed arguments
|
|
if [ "$1" = "" ]
|
|
then
|
|
echo "Please provide a source volume name"
|
|
exit
|
|
fi
|
|
|
|
if [ "$2" = "" ]
|
|
then
|
|
echo "Please provide a target host (e.g. 1.1.1.1)"
|
|
exit
|
|
fi
|
|
|
|
if [ "$3" = "" ]
|
|
then
|
|
echo "Please provide a target volume name"
|
|
exit
|
|
fi
|
|
|
|
|
|
#Check if the source volume name does exist
|
|
docker volume inspect $1 > /dev/null 2>&1
|
|
if [ "$?" != "0" ]
|
|
then
|
|
echo "The source volume \"$1\" does not exist"
|
|
exit
|
|
fi
|
|
|
|
docker run --rm \
|
|
-v $1:/from alpine ash -c \
|
|
"cd /from ; tar -czf - . " | \
|
|
ssh $2 \
|
|
"docker run --rm -i -v \"$3\":/to alpine ash -c 'cd /to ; tar -xpvzf - '"
|