run systemd-nspawn docker container

log

core@coreos-local ~ $ ./nspawn-container jmatis/tomcat7 "/opt/start-watch-tomcat.sh"
Pulling repository jmatis/tomcat7
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core-jmatis_tomcat7
Spawning container core-jmatis_tomcat7 on /var/lib/toolbox/core-jmatis_tomcat7. Press ^] three times within 1s to abort execution.
/etc/localtime is not a symlink, not updating container timezone.
Using CATALINA_BASE:   /opt/tomcat/
Using CATALINA_HOME:   /opt/tomcat/
Using CATALINA_TMPDIR: /opt/tomcat//temp
Using JRE_HOME:        /opt/java/
Using CLASSPATH:       /opt/tomcat//bin/bootstrap.jar:/opt/tomcat//bin/tomcat-juli.jar
Tomcat started.
May 13, 2014 8:33:36 AM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
May 13, 2014 8:33:36 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
May 13, 2014 8:33:36 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
May 13, 2014 8:33:36 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1338 ms
May 13, 2014 8:33:36 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
May 13, 2014 8:33:36 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.53
May 13, 2014 8:33:36 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/apache-tomcat-7.0.53/webapps/ROOT
May 13, 2014 8:33:37 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/apache-tomcat-7.0.53/webapps/docs
May 13, 2014 8:33:38 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/apache-tomcat-7.0.53/webapps/examples
May 13, 2014 8:33:39 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/apache-tomcat-7.0.53/webapps/host-manager
May 13, 2014 8:33:39 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/apache-tomcat-7.0.53/webapps/manager
May 13, 2014 8:33:39 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
May 13, 2014 8:33:39 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
May 13, 2014 8:33:39 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2783 ms

nspawn-container

#!/bin/bash

TOOLBOX_DOCKER_IMAGE=$1
TOOLBOX_USER=root

toolboxrc="${HOME}"/.toolboxrc

if [ -f "${toolboxrc}" ]; then
	source "${toolboxrc}"
fi

machinename=$(echo "${USER}-${TOOLBOX_DOCKER_IMAGE}" | sed -r 's/[^a-zA-Z0-9_.-]/_/g')
machinepath="/var/lib/toolbox/${machinename}"

if [ ! -d ${machinepath} ] || systemctl is-failed ${machinename} ; then
	sudo mkdir -p "${machinepath}"
	sudo chown ${USER}: "${machinepath}"

	docker pull "${TOOLBOX_DOCKER_IMAGE}"
	docker run --name=${machinename} "${TOOLBOX_DOCKER_IMAGE}" /bin/true
	docker export ${machinename} | sudo tar -x -C "${machinepath}" -f -
	docker rm ${machinename}
	sudo touch "${machinepath}"/etc/os-release
fi

sudo systemd-nspawn -D "${machinepath}" --share-system --bind=/:/media/root --bind=/usr:/media/root/usr --user="${TOOLBOX_USER}" $2