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Improve markdown highlighting in mesos getting started guide.

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This commit is contained in:
Alex Robinson
2015-07-18 18:55:08 -07:00
parent 6ae88fc1dc
commit f729938aed
1 changed files with 24 additions and 18 deletions
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42
docs/getting-started-guides/mesos.md
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@@ -83,18 +83,18 @@ ssh jclouds@${ip_address_of_master_node}
Build Kubernetes-Mesos.
```bash
$ git clone https://github.com/GoogleCloudPlatform/kubernetes
$ cd kubernetes
$ export KUBERNETES_CONTRIB=mesos
$ make
git clone https://github.com/GoogleCloudPlatform/kubernetes
cd kubernetes
export KUBERNETES_CONTRIB=mesos
make
```
Set some environment variables.
The internal IP address of the master may be obtained via `hostname -i`.
```bash
$ export KUBERNETES_MASTER_IP=$(hostname -i)
$ export KUBERNETES_MASTER=http://${KUBERNETES_MASTER_IP}:8888
export KUBERNETES_MASTER_IP=$(hostname -i)
export KUBERNETES_MASTER=http://${KUBERNETES_MASTER_IP}:8888
```
### Deploy etcd
@@ -102,10 +102,10 @@ $ export KUBERNETES_MASTER=http://${KUBERNETES_MASTER_IP}:8888
Start etcd and verify that it is running:
```bash
$ sudo docker run -d --hostname $(uname -n) --name etcd -p 4001:4001 -p 7001:7001 quay.io/coreos/etcd:v2.0.12
sudo docker run -d --hostname $(uname -n) --name etcd -p 4001:4001 -p 7001:7001 quay.io/coreos/etcd:v2.0.12
```
```bash
```console
$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
fd7bac9e2301 quay.io/coreos/etcd:v2.0.12 "/etcd" 5s ago Up 3s 2379/tcp, 2380/... etcd
@@ -124,19 +124,19 @@ If connectivity is OK, you will see an output of the available keys in etcd (if
Update your PATH to more easily run the Kubernetes-Mesos binaries:
```bash
$ export PATH="$(pwd)/_output/local/go/bin:$PATH"
export PATH="$(pwd)/_output/local/go/bin:$PATH"
```
Identify your Mesos master: depending on your Mesos installation this is either a `host:port` like `mesos_master:5050` or a ZooKeeper URL like `zk://zookeeper:2181/mesos`.
In order to let Kubernetes survive Mesos master changes, the ZooKeeper URL is recommended for production environments.
```bash
$ export MESOS_MASTER=<host:port or zk:// url>
export MESOS_MASTER=<host:port or zk:// url>
```
Create a cloud config file `mesos-cloud.conf` in the current directory with the following contents:
```bash
```console
$ cat <<EOF >mesos-cloud.conf
[mesos-cloud]
mesos-master = ${MESOS_MASTER}
@@ -145,7 +145,7 @@ EOF
Now start the kubernetes-mesos API server, controller manager, and scheduler on the master node:
```bash
```console
$ km apiserver \
--address=${KUBERNETES_MASTER_IP} \
--etcd-servers=http://${KUBERNETES_MASTER_IP}:4001 \
@@ -175,7 +175,7 @@ $ km scheduler \
Disown your background jobs so that they'll stay running if you log out.
```bash
$ disown -a
disown -a
```
#### Validate KM Services
@@ -188,12 +188,12 @@ export PATH=<path/to/kubernetes-directory>/platforms/linux/amd64:$PATH
Interact with the kubernetes-mesos framework via `kubectl`:
```bash
```console
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
```
```bash
```console
# NOTE: your service IPs will likely differ
$ kubectl get services
NAME LABELS SELECTOR IP(S) PORT(S)
@@ -211,6 +211,9 @@ Write a JSON pod description to a local file:
```bash
$ cat <<EOPOD >nginx.yaml
```
```yaml
apiVersion: v1
kind: Pod
metadata:
@@ -226,7 +229,7 @@ EOPOD
Send the pod description to Kubernetes using the `kubectl` CLI:
```bash
```console
$ kubectl create -f ./nginx.yaml
pods/nginx
```
@@ -234,7 +237,7 @@ pods/nginx
Wait a minute or two while `dockerd` downloads the image layers from the internet.
We can use the `kubectl` interface to monitor the status of our pod:
```bash
```console
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
nginx 1/1 Running 0 14s
@@ -295,6 +298,9 @@ To check that the new DNS service in the cluster works, we start a busybox pod a
```bash
cat <<EOF >busybox.yaml
```
```yaml
apiVersion: v1
kind: Pod
metadata:
@@ -326,7 +332,7 @@ kubectl exec busybox -- nslookup kubernetes
If everything works fine, you will get this output:
```
```console
Server: 10.10.10.10
Address 1: 10.10.10.10