Script to import and export docker-machine configurations to sync between hosts/collaborators

_README.md

docker-machine import/export

Script to import and export docker-machine configurations to sync between hosts/collaborators

Export (on host A)

$ docker-machine ls
NAME       ACTIVE   DRIVER         STATE     URL                            SWARM   DOCKER    ERRORS
dev        -        digitalocean   Running   tcp://example.com:2376                 v1.10.1

$ ./docker-machine-export.sh dev
Exported machine to dev.zip

$ ls
docker-machine-import.sh
docker-machine-export.sh
dev.zip

Import (on host B)

$ docker-machine ls
NAME       ACTIVE   DRIVER         STATE     URL                            SWARM   DOCKER    ERRORS

$ ./docker-machine-import.sh dev.zip
Exported machine to dev.zip

$ docker-machine ls
NAME       ACTIVE   DRIVER         STATE     URL                            SWARM   DOCKER    ERRORS
dev        -        digitalocean   Running   tcp://example.com:2376                 v1.10.1

Note

This script requires you to have the same $MACHINE_STORAGE_PATH/certs available on all host systems

docker-machine-export.sh

#! /bin/bash

if [ -z "$1" ]; then
  echo "Usage: machine-export.sh MACHINE_NAME"
  echo ""
  echo "Exports the specified docker-machine to a MACHINE_NAME.zip file"
  echo "Note: This script requires you to have the same \$MACHINE_STORAGE_PATH/certs available on all host systems"
  exit 0
fi

machine_name=$1

docker-machine status $machine_name 2>&1 > /dev/null
if [ $? -ne 0 ]; then
  echo "No such machine found"
  exit 1
fi

set -e

MACHINE_STORAGE_PATH="${MACHINE_STORAGE_PATH:-"$HOME/.docker/machine"}"
machine_path="$MACHINE_STORAGE_PATH/machines/$machine_name"
tmp_path="/tmp/machine-export-$(date +%s%3)"

# copy to /tmp and strip out $MACHINE_STORAGE_PATH
mkdir -p $tmp_path
cp -r "$machine_path" "$tmp_path"
perl -pi -e "s|$MACHINE_STORAGE_PATH|__MACHINE__STORAGE_PATH__|g" $tmp_path/$machine_name/config.json

# create zip
rm -f "$machine_name.zip"
zip -rj "$machine_name.zip" "$tmp_path/$machine_name" > /dev/null

echo "Exported machine to $machine_name.zip"

# cleanup
rm -rf $tmp_path

docker-machine-import.sh

#! /bin/bash

set -e

if [ -z "$1" ]; then
  echo "Usage: docker-machine-import.sh MACHINE_NAME.zip"
  echo ""
  echo "Imports an exported machine from a MACHINE_NAME.zip file"
  echo "Note: This script requires you to have the same \$MACHINE_STORAGE_PATH/certs available on all host systems"
  exit 0
fi

machine_archive="$1"
machine_name="${machine_archive/.zip/}"
MACHINE_STORAGE_PATH="${MACHINE_STORAGE_PATH:-"$HOME/.docker/machine"}"
machine_path="$MACHINE_STORAGE_PATH/machines/$machine_name"

if [ -d "$machine_path" ]; then
  echo "$machine_name already exists"
  exit 1
fi

rm -rf "$machine_name"
unzip "$machine_archive" -d "$machine_name" > /dev/null
perl -pi -e "s|__MACHINE__STORAGE_PATH__|$MACHINE_STORAGE_PATH|g" $machine_name/config.json
mv "$machine_name" "$MACHINE_STORAGE_PATH/machines"

echo "Imported $machine_name to docker-machine ($machine_path)"

@schickling Thanks for the script! You probably want to remove the %3 here though.

Do you really need to back up the boot2docker.iso and disk.vmdk files? Can't you just store configuration?

as @djmaze says the %3 breaks this on linux.

I'm guessing it's a mac thing? but unless it's essential would be good to remove.

Thanks, find also the issue with %3 on Linux

on the new machine, I imported the configuration and run into this error, thanks to @g0blin79 for the solution.

docker-machine regenerate-certs dinghy

Nice work @schickling .These scripts are parts of my toolchain now.

docker-machine-export

curl https://gist.githubusercontent.com/schickling/2c48da462a7def0a577e/raw/7b975e6dc85f8121308051fe8ddb8abdf40b7007/docker-machine-export.sh|sh -s foo

docker-machine-import

curl https://gist.githubusercontent.com/schickling/2c48da462a7def0a577e/raw/7b975e6dc85f8121308051fe8ddb8abdf40b7007/docker-machine-import.sh|sh -s foo