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https://github.com/moby/moby.git
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52379fa76d
This is especially important for distributions like NixOS where `/bin/bash` doesn't exist, or for MacOS users who've installed a newer version of Bash than the one that comes with their OS. Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>
111 lines
2.8 KiB
Bash
Executable file
111 lines
2.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# This script installs the bundle to Docker Machine instances, for the purpose
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# of testing the latest Docker with Swarm mode enabled.
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# Do not use in production.
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#
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# Requirements (on host to run this script)
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# - bash is installed
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# - Docker Machine is installed
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# - GNU tar is installed
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#
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# Requirements (on Docker machine instances)
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# - Docker can be managed via one of `systemctl`, `service`, or `/etc/init.d/docker`
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#
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set -e
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set -o pipefail
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errexit() {
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echo "$1"
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exit 1
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}
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BUNDLE="bundles/$(cat VERSION)"
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bundle_files(){
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# prefer dynbinary if exists
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for f in dockerd docker-proxy; do
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if [ -d $BUNDLE/dynbinary-daemon ]; then
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echo $BUNDLE/dynbinary-daemon/$f
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else
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echo $BUNDLE/binary-daemon/$f
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fi
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done
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for f in docker-containerd docker-containerd-ctr docker-containerd-shim docker-init docker-runc; do
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echo $BUNDLE/binary-daemon/$f
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done
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if [ -d $BUNDLE/dynbinary-client ]; then
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echo $BUNDLE/dynbinary-client/docker
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else
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echo $BUNDLE/binary-client/docker
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fi
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}
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control_docker(){
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m=$1; op=$2
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# NOTE: `docker-machine ssh $m sh -c "foo bar"` does not work
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# (but `docker-machine ssh $m sh -c "foo\ bar"` works)
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# Anyway we avoid using `sh -c` here for avoiding confusion
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cat <<EOF | docker-machine ssh $m sudo sh
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if command -v systemctl > /dev/null; then
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systemctl $op docker
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elif command -v service > /dev/null; then
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service docker $op
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elif [ -x /etc/init.d/docker ]; then
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/etc/init.d/docker $op
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else
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echo "not sure how to control the docker daemon"
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exit 1
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fi
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EOF
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}
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detect_prefix(){
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m=$1
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script='dirname $(dirname $(which dockerd))'
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echo $script | docker-machine ssh $m sh
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}
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install_to(){
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m=$1; shift; files=$@
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echo "$m: detecting docker"
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prefix=$(detect_prefix $m)
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echo "$m: detected docker on $prefix"
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echo "$m: stopping docker"
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control_docker $m stop
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echo "$m: installing docker"
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# NOTE: GNU tar is required because we use --transform here
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# TODO: compression (should not be default)
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tar ch --transform 's/.*\///' $files | docker-machine ssh $m sudo tar Cx $prefix/bin
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echo "$m: starting docker"
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control_docker $m start
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echo "$m: done"
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}
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check_prereq(){
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command -v docker-machine > /dev/null || errexit "docker-machine not installed"
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( tar --version | grep GNU > /dev/null ) || errexit "GNU tar not installed"
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}
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case "$1" in
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"install")
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shift; machines=$@
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check_prereq
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files=$(bundle_files)
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echo "Files to be installed:"
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for f in $files; do echo $f; done
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pids=()
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for m in $machines; do
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install_to $m $files &
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pids+=($!)
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done
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status=0
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for pid in ${pids[@]}; do
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wait $pid || { status=$?; echo "background process $pid failed with exit status $status"; }
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done
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exit $status
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;;
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*)
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errexit "Usage: $0 install MACHINES"
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;;
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esac
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