upgrade etcd flag for docker-k8s

docs/getting-started-guides/docker-multinode.md

@@ -88,9 +88,10 @@ The first step in the process is to initialize the master node.
 
 Clone the Kubernetes repo, and run [master.sh](docker-multinode/master.sh) on the master machine with root:
 
-```sh
-cd kubernetes/docs/getting-started-guides/docker-multinode/
-./master.sh
+```console
+$ export MASTER_IP=<your_master_ip (e.g. 1.2.3.4)>
+$ cd kubernetes/docs/getting-started-guides/docker-multinode/
+$ ./master.sh
 ```
 
 `Master done!`
@@ -103,10 +104,10 @@ Once your master is up and running you can add one or more workers on different
 
 Clone the Kubernetes repo, and run [worker.sh](docker-multinode/worker.sh) on the worker machine with root:
 
-```sh
-export MASTER_IP=<your_master_ip (e.g. 1.2.3.4)>
-cd kubernetes/docs/getting-started-guides/docker-multinode/
-./worker.sh
+```console
+$ export MASTER_IP=<your_master_ip (e.g. 1.2.3.4)>
+$ cd kubernetes/docs/getting-started-guides/docker-multinode/
+$ ./worker.sh
 ```
 
 `Worker done!`

docs/getting-started-guides/docker-multinode/master.md

@@ -70,7 +70,7 @@ across reboots and failures.
 Run:
 
 ```sh
-sudo docker -H unix:///var/run/docker-bootstrap.sock run --net=host -d gcr.io/google_containers/etcd:2.2.1 /usr/local/bin/etcd --addr=127.0.0.1:4001 --bind-addr=0.0.0.0:4001 --data-dir=/var/etcd/data
+sudo docker -H unix:///var/run/docker-bootstrap.sock run --net=host -d gcr.io/google_containers/etcd:2.2.1 /usr/local/bin/etcd --listen-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001 --advertise-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001 --data-dir=/var/etcd/data
 ```
 
 Next, you need to set a CIDR range for flannel.  This CIDR should be chosen to be non-overlapping with any existing network you are using:

docs/getting-started-guides/docker-multinode/master.sh

@@ -39,6 +39,14 @@ if [ "$(id -u)" != "0" ]; then
     exit 1
 fi
 
+# Make sure master ip is properly set
+if [ -z ${MASTER_IP} ]; then
+    echo "Please export MASTER_IP in your env"
+    exit 1
+else
+    echo "k8s master is set to: ${MASTER_IP}"
+fi
+
 # Check if a command is valid
 command_exists() {
     command -v "$@" > /dev/null 2>&1
@@ -112,8 +120,8 @@ start_k8s(){
     -d \
     gcr.io/google_containers/etcd:2.2.1 \
     /usr/local/bin/etcd \
-    --addr=127.0.0.1:4001 \
-    --bind-addr=0.0.0.0:4001 \
+    --listen-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001 \
+    --advertise-client-urls=http://127.0.0.1:4001,http://${MASTER_IP}:4001
     --data-dir=/var/etcd/data
 
     sleep 5

docs/getting-started-guides/docker.md

@@ -89,7 +89,7 @@ parameters as follows:
 ### Step One: Run etcd
 
 ```sh
-docker run --net=host -d gcr.io/google_containers/etcd:2.2.1 /usr/local/bin/etcd --addr=127.0.0.1:4001 --bind-addr=0.0.0.0:4001 --data-dir=/var/etcd/data
+docker run --net=host -d gcr.io/google_containers/etcd:2.2.1 /usr/local/bin/etcd --listen-client-urls=http://127.0.0.1:4001 --advertise-client-urls=http://127.0.0.1:4001 --data-dir=/var/etcd/data
 ```
 
 ### Step Two: Run the master