Docker实践—CentOS7上部署Kubernetes详解

# curl https://copr.fedoraproject.org/coprs/eparis/kubernetes-epel-7/repo/epel-7/eparis-kubernetes-epel-7-epel-7.repo -o /etc/yum.repos.d/eparis-kubernetes-epel-7-epel-7.repo

# yum install kubernetes -y

# cat /etc/kubernetes/apiserver

###

# kubernetes system config

#

# The following values are used to configure the kubernetes-apiserver

#

 

# The address on the local server to listen to.

KUBE_API_ADDRESS="10.193.6.35"

 

# The port on the local server to listen on.

KUBE_API_PORT="8080"

 

# How the replication controller and scheduler find the apiserver

KUBE_MASTER="10.193.6.35:8080"

 

# Comma seperated list of minions

MINION_ADDRESSES="10.193.6.36"

 

# Port minions listen on

MINION_PORT="10250"

 

# cat /etc/kubernetes/config

###

# kubernetes system config

#

# The following values are used to configure various aspects of all

# kubernetes services, including

#

#  kubernetes-apiserver.service

#  kubernetes-controller-manager.service

#  kubernetes-kubelet.service

#  kubernetes-proxy.service

 

# Comma seperated list of nodes in the etcd cluster

KUBE_ETCD_SERVERS="http://10.193.6.35:4001"

 

# logging to stderr means we get it in the systemd journal

KUBE_LOGTOSTDERR="true"

 

# journal message level, 0 is debug

KUBE_LOG_LEVEL=0

 

# Should this cluster be allowed to run privleged docker containers

KUBE_ALLOW_PRIV="true"

for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do

  systemctl restart $SERVICES

  systemctl enable $SERVICES

  systemctl status $SERVICES

done

# cat /etc/kubernetes/kubelet

###

# kubernetes kublet (minion) config

 

# The address for the info server to serve on

MINION_ADDRESS="10.193.6.36"

 

# The port for the info server to serve on

MINION_PORT="10250"

# You may leave this blank to use the actual hostname

MINION_HOSTNAME="10.193.6.36"

# cat /etc/kubernetes/config 

###

# kubernetes system config

#

# The following values are used to configure various aspects of all

# kubernetes services, including

#

#  kubernetes-apiserver.service

#  kubernetes-controller-manager.service

#  kubernetes-kubelet.service

#  kubernetes-proxy.service

# Comma seperated list of nodes in the etcd cluster

KUBE_ETCD_SERVERS="http://10.193.6.35:4001"

 

# logging to stderr means we get it in the systemd journal

KUBE_LOGTOSTDERR="true"

# journal message level, 0 is debug

KUBE_LOG_LEVEL=0

# Should this cluster be allowed to run privleged docker containers

KUBE_ALLOW_PRIV="true"

[Unit]

Description=Kubernetes Kubelet

#After=docker.socket cadvisor.service

After=cadvisor.service

#Requires=docker.socket cadvisor.service

Requires=cadvisor.service

for SERVICES in kube-proxy kubelet docker; do 
  systemctl restart $SERVICES
  systemctl enable $SERVICES
  systemctl status $SERVICES 
done

# cat apache.json

{

 "id": "apache",

 "desiredState": {

  "manifest": {

   "version": "v1beta1",

   "id": "apache-1",

   "containers": [{

    "name": "master",

    "image": "fedora/apache",

    "ports": [{

     "containerPort": 80,

     "hostPort": 80

    }]

   }]

  }

 },

 "labels": {

  "name": "apache"

 }

} 

[root@yy1 ~]# kubecfg -c apache.json create pods

I0925 06:43:26.768122 09313 request.go:292] Waiting for completion of /operations/1

ID         Image(s)      Host        Labels       Status

----------     ----------     ----------     ----------     ----------

apache       fedora/apache    /          name=apache     Waiting

 

[root@yy1 ~]# kubecfg list pods 

ID         Image(s)      Host        Labels       Status

----------     ----------     ----------     ----------     ----------

apache       fedora/apache    10.193.6.36/    name=apache     Waiting

[root@yy1 ~]# kubecfg list pods 

ID         Image(s)      Host        Labels       Status

----------     ----------     ----------     ----------     ----------

apache       fedora/apache    10.193.6.36/    name=apache     Running