Update centos_manual_config.md
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---
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---
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* TOC
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* TOC
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{:toc}
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{:toc}
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## Prerequisites
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## Prerequisites
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@ -20,38 +20,38 @@ The Kubernetes package provides a few services: kube-apiserver, kube-scheduler,
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Hosts:
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Hosts:
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```conf
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```conf
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centos-master = 192.168.121.9
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centos-master = 192.168.121.9
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centos-minion = 192.168.121.65
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centos-minion = 192.168.121.65
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```
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```
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**Prepare the hosts:**
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**Prepare the hosts:**
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* Create a virt7-docker-common-release repo on all hosts - centos-{master,minion} with following information.
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* Create a virt7-docker-common-release repo on all hosts - centos-{master,minion} with following information.
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```conf
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```conf
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[virt7-docker-common-release]
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[virt7-docker-common-release]
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name=virt7-docker-common-release
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name=virt7-docker-common-release
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baseurl=http://cbs.centos.org/repos/virt7-docker-common-release/x86_64/os/
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baseurl=http://cbs.centos.org/repos/virt7-docker-common-release/x86_64/os/
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gpgcheck=0
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gpgcheck=0
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```
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```
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* Install Kubernetes on all hosts - centos-{master,minion}. This will also pull in etcd, docker, and cadvisor.
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* Install Kubernetes on all hosts - centos-{master,minion}. This will also pull in etcd, docker, and cadvisor.
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```shell
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```shell
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yum -y install --enablerepo=virt7-docker-common-release kubernetes
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yum -y install --enablerepo=virt7-docker-common-release kubernetes
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```
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```
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* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS)
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* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS)
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```shell
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```shell
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echo "192.168.121.9 centos-master
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echo "192.168.121.9 centos-master
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192.168.121.65 centos-minion" >> /etc/hosts
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192.168.121.65 centos-minion" >> /etc/hosts
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```
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```
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* Edit /etc/kubernetes/config which will be the same on all hosts to contain:
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* Edit /etc/kubernetes/config which will be the same on all hosts to contain:
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```shell
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```shell
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# Comma separated list of nodes in the etcd cluster
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# Comma separated list of nodes in the etcd cluster
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KUBE_ETCD_SERVERS="--etcd-servers=http://centos-master:2379"
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KUBE_ETCD_SERVERS="--etcd-servers=http://centos-master:2379"
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# Should this cluster be allowed to run privileged docker containers
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# Should this cluster be allowed to run privileged docker containers
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KUBE_ALLOW_PRIV="--allow-privileged=false"
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KUBE_ALLOW_PRIV="--allow-privileged=false"
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```
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```
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* Disable the firewall on both the master and node, as docker does not play well with other firewall rule managers
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* Disable the firewall on both the master and node, as docker does not play well with other firewall rule managers
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```shell
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```shell
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systemctl disable iptables-services firewalld
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systemctl disable iptables-services firewalld
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systemctl stop iptables-services firewalld
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systemctl stop iptables-services firewalld
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```
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```
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**Configure the Kubernetes services on the master.**
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**Configure the Kubernetes services on the master.**
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* Edit /etc/kubernetes/apiserver to appear as such:
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* Edit /etc/kubernetes/apiserver to appear as such:
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```shell
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```shell
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# The address on the local server to listen to.
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# The address on the local server to listen to.
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KUBE_API_ADDRESS="--address=0.0.0.0"
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KUBE_API_ADDRESS="--address=0.0.0.0"
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# Add your own!
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# Add your own!
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KUBE_API_ARGS=""
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KUBE_API_ARGS=""
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```
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```
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* Start the appropriate services on master:
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* Start the appropriate services on master:
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```shell
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```shell
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for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do
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for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do
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systemctl restart $SERVICES
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systemctl restart $SERVICES
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systemctl enable $SERVICES
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systemctl enable $SERVICES
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systemctl status $SERVICES
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systemctl status $SERVICES
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done
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done
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```
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```
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**Configure the Kubernetes services on the node.**
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**Configure the Kubernetes services on the node.**
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***We need to configure the kubelet and start the kubelet and proxy***
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***We need to configure the kubelet and start the kubelet and proxy***
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* Edit /etc/kubernetes/kubelet to appear as such:
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* Edit /etc/kubernetes/kubelet to appear as such:
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```shell
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```shell
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# The address for the info server to serve on
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# The address for the info server to serve on
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KUBELET_ADDRESS="--address=0.0.0.0"
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KUBELET_ADDRESS="--address=0.0.0.0"
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# Add your own!
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# Add your own!
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KUBELET_ARGS=""
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KUBELET_ARGS=""
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```
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```
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* Start the appropriate services on node (centos-minion).
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* Start the appropriate services on node (centos-minion).
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```shell
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```shell
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for SERVICES in kube-proxy kubelet docker; do
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for SERVICES in kube-proxy kubelet docker; do
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systemctl restart $SERVICES
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systemctl restart $SERVICES
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systemctl enable $SERVICES
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systemctl enable $SERVICES
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systemctl status $SERVICES
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systemctl status $SERVICES
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done
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done
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```
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```
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*You should be finished!*
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*You should be finished!*
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* Check to make sure the cluster can see the node (on centos-master)
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* Check to make sure the cluster can see the node (on centos-master)
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```shell
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```shell
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$ kubectl get nodes
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$ kubectl get nodes
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NAME LABELS STATUS
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NAME LABELS STATUS
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centos-minion <none> Ready
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centos-minion <none> Ready
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```
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```
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**The cluster should be running! Launch a test pod.**
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**The cluster should be running! Launch a test pod.**
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You should have a functional cluster, check out [101](/docs/user-guide/walkthrough/)!
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You should have a functional cluster, check out [101](/docs/user-guide/walkthrough/)!
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## Support Level
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IaaS Provider | Config. Mgmt | OS | Networking | Docs | Conforms | Support Level
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-------------------- | ------------ | ------ | ---------- | --------------------------------------------- | ---------| ----------------------------
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Bare-metal | custom | CentOS | _none_ | [docs](/docs/getting-started-guides/centos/centos_manual_config) | | Community ([@coolsvap](https://github.com/coolsvap))
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For support level information on all solutions, see the [Table of solutions](/docs/getting-started-guides/#table-of-solutions) chart.
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