Ubuntu cluster: run flannel on master

cluster/ubuntu/build.sh

@@ -36,6 +36,7 @@ if [ ! -f flannel.tar.gz ] ; then
     curl -L  https://github.com/coreos/flannel/releases/download/v${FLANNEL_VERSION}/flannel-${FLANNEL_VERSION}-linux-amd64.tar.gz -o flannel.tar.gz
     tar xzf flannel.tar.gz
 fi
+cp flannel-${FLANNEL_VERSION}/flanneld binaries/master
 cp flannel-${FLANNEL_VERSION}/flanneld binaries/minion
 
 # ectd

cluster/ubuntu/master/init_conf/flanneld.conf

@@ -0,0 +1,29 @@
+description "Flannel service"
+author "@chenxingyu"
+
+# respawn
+
+# start in conjunction with etcd
+start on started etcd
+stop on stopping etcd
+
+pre-start script
+	FLANNEL=/opt/bin/$UPSTART_JOB
+	if [ -f /etc/default/$UPSTART_JOB ]; then
+		. /etc/default/$UPSTART_JOB
+	fi
+	if [ -f $FLANNEL ]; then
+		exit 0
+	fi
+    exit 22
+end script
+
+script
+	# modify these in /etc/default/$UPSTART_JOB (/etc/default/docker)
+	FLANNEL=/opt/bin/$UPSTART_JOB
+	FLANNEL_OPTS=""
+	if [ -f /etc/default/$UPSTART_JOB ]; then
+		. /etc/default/$UPSTART_JOB
+	fi
+	exec "$FLANNEL" $FLANNEL_OPTS
+end script

cluster/ubuntu/master/init_scripts/flanneld

@@ -0,0 +1,99 @@
+#!/bin/sh
+set -e
+
+### BEGIN INIT INFO
+# Provides:           flannel
+# Required-Start:     $etcd
+# Required-Stop:      
+# Should-Start:       
+# Should-Stop:        
+# Default-Start:      
+# Default-Stop:       
+# Short-Description:  Start flannel networking service
+# Description:
+#  https://github.com/coreos/flannel
+### END INIT INFO
+
+export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/opt/bin:
+
+BASE=$(basename $0)
+
+# modify these in /etc/default/$BASE (/etc/default/flannel)
+FLANNEL=/opt/bin/$BASE
+# This is the pid file managed by kube-apiserver itself
+FLANNEL_PIDFILE=/var/run/$BASE.pid
+FLANNEL_LOGFILE=/var/log/$BASE.log
+FLANNEL_OPTS=""
+FLANNEL_DESC="Flannel"
+
+# Get lsb functions
+. /lib/lsb/init-functions
+
+if [ -f /etc/default/$BASE ]; then
+	. /etc/default/$BASE
+fi
+
+# see also init_is_upstart in /lib/lsb/init-functions (which isn't available in Ubuntu 12.04, or we'd use it)
+if [ -x /sbin/initctl ] && /sbin/initctl version 2>/dev/null | grep -q upstart; then
+	log_failure_msg "$FLANNEL_DESC is managed via upstart, try using service $BASE $1"
+	exit 1
+fi
+
+# Check flanneld is present
+if [ ! -x $FLANNEL ]; then
+	log_failure_msg "$FLANNEL not present or not executable"
+	exit 1
+fi
+
+fail_unless_root() {
+	if [ "$(id -u)" != '0' ]; then
+		log_failure_msg "$FLANNEL_DESC must be run as root"
+		exit 1
+	fi
+}
+
+FLANNEL_START="start-stop-daemon \
+--start \
+--background \
+--quiet \
+--exec $FLANNEL \
+--make-pidfile --pidfile $FLANNEL_PIDFILE \
+-- $FLANNEL_OPTS \
+>> $FLANNEL_LOGFILE 2>&1"
+
+FLANNEL_STOP="start-stop-daemon \
+--stop \
+--pidfile $FLANNEL_PIDFILE"
+
+case "$1" in
+	start)
+		fail_unless_root
+		log_begin_msg "Starting $FLANNEL_DESC: $BASE"
+        $KUBE_APISERVER_START
+		log_end_msg $?
+		;;
+
+	stop)
+		fail_unless_root
+		log_begin_msg "Stopping $FLANNEL_DESC: $BASE"
+		$KUBE_APISERVER_STOP
+		log_end_msg $?
+		;;
+
+	restart | force-reload)
+		fail_unless_root
+		log_begin_msg "Stopping $FLANNEL_DESC: $BASE"
+		$KUBE_APISERVER_STOP
+		$KUBE_APISERVER_START
+		log_end_msg $?
+		;;
+
+	status)
+		status_of_proc -p "$FLANNEL_DESC" "$FLANNEL" "$FLANNEL_DESC"
+		;;
+
+	*)
+		echo "Usage: $0 {start|stop|restart|status}"
+		exit 1
+		;;
+esac

cluster/ubuntu/util.sh

@@ -364,6 +364,7 @@ function provision-master() {
                             create-kube-apiserver-opts "${SERVICE_CLUSTER_IP_RANGE}"; \
                             create-kube-controller-manager-opts "${MINION_IPS}"; \
                             create-kube-scheduler-opts; \
+                            create-flanneld-opts; \
                             sudo -p '[sudo] password to copy files and start master: ' cp ~/kube/default/* /etc/default/ && sudo cp ~/kube/init_conf/* /etc/init/ && sudo cp ~/kube/init_scripts/* /etc/init.d/ \
                             && sudo mkdir -p /opt/bin/ && sudo cp ~/kube/master/* /opt/bin/; \
                             sudo service etcd start;"