Add files and fix typo in README

Author: yasn77

Diff for: Dockerfile

@@ -0,0 +1,28 @@
+FROM ubuntu:14.04
+MAINTAINER Yasser Nabi "[email protected]"
+ENV JENKINS_HOME /jenkins
+ENV JENKINS_SWARM_CLIENT_VER 1.15
+ENV JENKINS_JAVA_ARGS '-Djava.awt.headless=true'
+ENV TZ Europe/London
+ENV DEBIAN_FRONTEND noninteractive
+EXPOSE 2812 22
+
+RUN sed 's/main$/main universe/' -i /etc/apt/sources.list && \
+        apt-get update && \
+        apt-get -y install \
+            openssh-server \
+            monit \
+            curl \
+            openjdk-7-jre-headless \
+            git \
+            subversion
+
+ADD ./monit.d/ /etc/monit/conf.d/
+ADD ./jenkins.sudoers /etc/sudoers.d/jenkins
+ADD ./jenkins_init_wrapper.sh /jenkins_init_wrapper.sh
+ADD ./start.sh /start.sh
+
+RUN mkdir -p ${JENKINS_HOME} && curl -s -L -o $JENKINS_HOME/swarm-client.jar \
+      http://maven.jenkins-ci.org/content/repositories/releases/org/jenkins-ci/plugins/swarm-client/${JENKINS_SWARM_CLIENT_VER}/swarm-client-${JENKINS_SWARM_CLIENT_VER}-jar-with-dependencies.jar
+
+ENTRYPOINT ["/bin/bash", "/start.sh"]

Diff for: jenkins.sudoers

@@ -0,0 +1 @@
+jenkins ALL = NOPASSWD: /usr/bin/apt-get

Diff for: jenkins_init_wrapper.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Read Env Vars set by Docker
+source /docker.env
+
+if ! id jenkins &>/dev/null
+then
+  useradd -G monit -s /bin/bash -d ${JENKINS_HOME} jenkins
+  
+  # Set Jenkins user password, so we can SSH
+  JENKINS_PASSWD=$(openssl rand -base64 6)
+  echo JENKINS_PASSWORD=${JENKINS_PASSWD}
+  echo -e "${JENKINS_PASSWD}\n${JENKINS_PASSWD}" | passwd jenkins &>/dev/null
+fi
+
+chown -R jenkins ${JENKINS_HOME}
+
+OPTS="-fsroot ${JENKINS_HOME}"
+
+if [ -n "${JENKINS_MASTER_URL}" ]
+then
+  OPTS+=" -master ${JENKINS_MASTER_URL}"
+elif [ -n "${JENKINS_AUTODISC_ADDR}" ]
+then
+  OPTS+=" -autoDiscoveryAddress ${JENKINS_AUTODISC_ADDR}"
+fi
+
+if [ -n "${JENKINS_EXECUTORS}" ]
+then
+  OPTS+=" -executors ${JENKINS_EXECUTORS}"
+fi
+
+if [ -n "${JENKINS_LABELS}" ]
+then
+  OPTS+=" -labels ${JENKINS_LABELS}"
+fi
+
+if [ -n "${JENKINS_USERNAME}" ] && [ -n "${JENKINS_PASSWORD}" ]
+then
+  OPTS+=" -username ${JENKINS_USERNAME} -password ${JENKINS_PASSWORD}"
+fi
+
+cd ${JENKINS_HOME}
+echo "### Jenkins Swarm client options ###"
+echo "### ${OPTS} ###"
+case $1 in
+  start)
+    su - jenkins -c "java ${JENKINS_JAVA_OPTS} -jar swarm-client.jar ${OPTS} &>$JENKINS_HOME/jenkins_swarm_client.log & echo \$! > /tmp/jenkins.pid"
+    ;;
+  stop)
+    pkill -F /tmp/jenkins.pid
+    ;;
+  status)
+    if pgrep -f swarm-client.jar &>/dev/null
+    then
+      echo "Jenkins Swam Client running..."
+      exit 0
+
+    else
+      echo "Jenkins Swam Client not running..."
+      exit 1
+    fi
+    ;;
+  *)
+    echo "Usage $0 start|stop|status"
+    ;;
+esac

Diff for: monit.d/enable_monit_webserver

@@ -0,0 +1,4 @@
+set httpd port 2812 and
+   allow 0.0.0.0/0.0.0.0
+   allow monit:__MONIT_PASSWD__
+   allow @monit           # allow users of group 'monit' to connect (rw)

Diff for: monit.d/jenkins

@@ -0,0 +1,3 @@
+check process jenkins with pidfile /tmp/jenkins.pid
+       start program = "/jenkins_init_wrapper.sh start"
+       stop program  = "/jenkins_init_wrapper.sh stop"

Diff for: monit.d/sshd

@@ -0,0 +1,4 @@
+check process sshd with pidfile /var/run/sshd.pid
+       start program = "/etc/init.d/ssh start"
+       stop program  = "/etc/init.d/ssh stop"
+       if failed port 22 then restart

Diff for: start.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+env | egrep "^JENKINS|^TZ" > /docker.env
+
+MONIT_PASSWD=$(openssl rand -base64 6)
+echo MONIT_PASSWORD=${MONIT_PASSWD}
+
+groupadd monit
+sed -e "s/__MONIT_PASSWD__/$MONIT_PASSWD/" -i /etc/monit/conf.d/enable_monit_webserver
+
+sed -e 's/\(session.*pam_loginuid.so\)/\# \1/' -i /etc/pam.d/sshd
+
+/usr/bin/monit -I -g monit -v