swarm-run.sh

最新推荐文章于 2025-03-19 15:40:19 发布

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最新推荐文章于 2025-03-19 15:40:19 发布

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#/bin/bash

	DOCKER_MACHINE_DRIVER=virtualbox

	function create_kvstore {
	echo
	echo "Preparing Key-Value store: etcd ..."
	echo

	docker-machine create -d ${DOCKER_MACHINE_DRIVER} swarm-kvstore

	eval $(docker-machine env swarm-kvstore)

	KVSTORE_IP=$(docker-machine ip swarm-kvstore)

	set -xe
	docker run -d \
	-p 2379:2379 -p 2380:2380 -p 4001:4001 \
	--name etcd \
	quay.io/coreos/etcd:v2.3.7 \
	--listen-client-urls http://0.0.0.0:2379,http://0.0.0.0:4001 \
	--advertise-client-urls http://${KVSTORE_IP}:2379,http://${KVSTORE_IP}:4001 \
	--initial-advertise-peer-urls http://${KVSTORE_IP}:2380 \
	--initial-cluster default=http://${KVSTORE_IP}:2380 \
	--listen-peer-urls http://0.0.0.0:2380
	set +xe

	export KVSTORE="etcd://${KVSTORE_IP}:2379,${KVSTORE_IP}:4001/"
	echo "Key-Value Store is ${KVSTORE}"
	echo "export KVSTORE=${KVSTORE}" > .kvstore.env
	}

	function create_node {
	NAME=$1

	set -xe
	docker-machine create -d ${DOCKER_MACHINE_DRIVER} \
	--engine-opt="cluster-store=${KVSTORE}" \
	--engine-opt="cluster-advertise=eth1:2376" \
	${NAME}
	set +xe
	}

	function create_nodes {
	Size=$1
	shift
	if [[ ${Size} =~ ^[0-9]+$ ]]; then
	for i in $(seq 0 ${Size})
	do
	create_node "swarm-node${i}"
	done
	else
	echo "Usage: create nodes <size>"
	fi
	}

	function create_swarm_manager {
	Node=0

	eval $(docker-machine env swarm-node${Node})

	set -xe
	docker run -d -t \
	--name swarm_master \
	--restart=always \
	-v /var/lib/boot2docker:/certs:ro \
	-p 3376:3376 \
	swarm manage \
	-H 0.0.0.0:3376 \
	--tlsverify \
	--tlscacert=/certs/ca.pem \
	--tlscert=/certs/server.pem \
	--tlskey=/certs/server-key.pem \
	--advertise $(docker-machine ip swarm-node${Node}):3376 \
	${KVSTORE}
	set +xe
	}

	function create_swarm_worker {
	Node=$1

	eval $(docker-machine env swarm-node${Node})

	set -xe
	docker run -d \
	--name swarm_worker \
	--restart=always \
	swarm join \
	--advertise $(docker-machine ip swarm-node${Node}):2376 \
	${KVSTORE}
	set +xe
	}

	function create_swarm_workers {
	Size=$1
	shift
	if [[ ${Size} =~ ^[0-9]+$ ]]; then
	for i in $(seq ${Size})
	do
	create_swarm_worker ${i}
	done
	else
	echo "Usage: create workers <size>"
	fi
	}

	function create {
	Command=$1
	shift

	if [[ -f ".kvstore.env" ]]; then
	source .kvstore.env
	fi

	case "${Command}" in
	kvstore) create_kvstore ;;
	nodes) create_nodes $@ ;;
	manager) create_swarm_manager ;;
	workers) create_swarm_workers $@ ;;
	*) echo "Usage: create {kvstore\|nodes\|manager\|workers}" ;;
	esac
	}

	function remove_nodes {
	Size=$1
	shift
	if [[ ${Size} =~ ^[0-9]+$ ]]; then
	for i in $(seq 0 ${Size})
	do
	docker-machine rm -y swarm-node${i}
	done
	else
	echo "Usage: remove nodes <size>"
	exit 1
	fi

	}
	function remove_swarm {
	Size=$1
	shift
	if [[ ${Size} =~ ^[0-9]+$ ]]; then
	for i in $(seq ${Size})
	do
	eval $(docker-machine env swarm-node${i})
	docker rm -f swarm_worker
	done
	else
	echo "Usage: remove swarm <size>"
	exit 1
	fi

	eval $(docker-machine env swarm-node0)
	docker rm -f swarm_master
	}

	function remove {
	Command=$1
	shift
	case "${Command}" in
	kvstore)
	docker-machine rm swarm-kvstore
	rm -f .kvstore.env
	;;
	nodes) remove_nodes $@ ;;
	swarm) remove_swarm $@ ;;
	*) echo "Usage: remove {kvstore\|nodes\|swarm}" ;;
	esac
	}

	function swarm_env {
	case "$1" in
	"")
	echo "export DOCKER_TLS_VERIFY=1"
	echo "export DOCKER_HOST=tcp://$(docker-machine ip swarm-node0):3376"
	echo "export DOCKER_CERT_PATH=$HOME/.docker/machine/machines/swarm-node0"
	echo "# eval \$($0 env)"
	;;
	"--unset")
	echo "unset DOCKER_TLS_VERIFY"
	echo "unset DOCKER_HOST"
	echo "unset DOCKER_CERT_PATH"
	echo "# eval \$($0 env --unset)"
	;;
	*)
	echo "Usage: env [--unset]" ;;
	esac
	}

	function usage {
	echo "Usage: $0 {create\|remove\|list\|env}"
	echo
	echo "Example:"
	echo " $0 create kvstore"
	echo " $0 create nodes 3"
	echo " $0 create manager"
	echo " $0 create workers 3"
	echo " $0 list"
	echo " eval \$($0 env)"
	echo " docker info"
	echo " docker run ..."
	echo " eval \$($0 env --unset)"
	echo " $0 remove nodes 3"
	echo " $0 remove kvstore"
	}

	function main {
	Command=$1
	shift
	case "${Command}" in
	create) create $@ ;;
	remove) remove $@ ;;
	list) docker-machine ls \| grep "swarm-" ;;
	env) swarm_env $@ ;;
	*) usage $@ ;;
	esac
	}

	main $@