This script will create a portainer configuration for a set of docker machines. The output will be a series of docker commands that you can simply execute against a manager node of your swarm.

docker-machine-portainer.config.sh

#!/bin/bash -e

# This script will create a portainer configuration for a set of docker machines.
# The output will be a series of docker commands that you can simply execute against a manager node of your swarm.
#
# Usage: docker-machine-portainer.config.sh machine-0 machine-1 machine-2

secrets=""

for machine in "$@"; do
	eval $(docker-machine env $machine)
	echo "docker secret create docker.${machine}.tls.cacert $DOCKER_CERT_PATH/ca.pem"
	echo "docker secret create docker.${machine}.tls.cert $DOCKER_CERT_PATH/cert.pem"
	echo "docker secret create docker.${machine}.tls.key $DOCKER_CERT_PATH/key.pem"
	echo
	secrets="$secrets --secret docker.${machine}.tls.cacert --secret docker.${machine}.tls.cert --secret docker.${machine}.tls.key"
	[ ! -z "$cfg" ] && cfg="$cfg,"
	cfg="$cfg{\"Name\":\"$machine\",\"URL\":\"$DOCKER_HOST\",\"TLS\":true,\"TLSSkipVerify\":false,\"TLSCACert\":\"/run/secrets/docker.${machine}.tls.cacert\",\"TLSCert\":\"/run/secrets/docker.${machine}.tls.cert\",\"TLSKey\":\"/run/secrets/docker.${machine}.tls.key\"}"
done

echo "echo '[$cfg]' | docker secret create portainer.config -"
echo
echo "docker service create --detach=false --name portainer --secret portainer.config $secrets --publish 9000:9000 portainer/portainer --no-auth --no-analytics --external-endpoints /run/secrets/portainer.config"