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1. Pods
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2. Replication Controllers
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1£©Centos7.0 OS
2£©Kubernetes V0.6.2
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# yum -y install wget ntpdate bind-utils # wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/epel-release-7-2.noarch.rpm # yum update |
CentOS 7.0ĬÈÏʹÓõÄÊÇfirewall×÷Ϊ·À»ðǽ£¬ÕâÀï¸ÄΪiptables·À»ðǽ£¨ÊìϤ¶È¸ü¸ß£¬·Ç±ØÐ룩¡£
1.1¡¢¹Ø±Õfirewall£º
# systemctl stop firewalld.service #Í£Ö¹firewall # systemctl disable firewalld.service #½ûÖ¹firewall¿ª»úÆô¶¯ |
1.2¡¢°²×°iptables·À»ðǽ
# yum install iptables-services #°²×° # systemctl start iptables.service #×îºóÖØÆô·À»ðǽʹÅäÖÃÉúЧ # systemctl enable iptables.service #ÉèÖ÷À»ðǽ¿ª»úÆô¶¯ |
2£©°²×°Etcd£¨192.168.1.10Ö÷»ú£©
# mkdir -p /home/install && cd /home/install # wget https://github.com/coreos/etcd/releases/download/v0.4.6/etcd-v0.4.6-linux-amd64.tar.gz # tar -zxvf etcd-v0.4.6-linux-amd64.tar.gz # cd etcd-v0.4.6-linux-amd64 # cp etcd* /bin/ # /bin/etcd -version etcd version 0.4.6 |
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# mkdir /data/etcd # /bin/etcd -name etcdserver -peer-addr 192.168.1.10:7001 -addr 192.168.1.10:4001
-data-dir /data/etcd -peer-bind-addr 0.0.0.0:7001 -bind-addr 0.0.0.0:4001 & |
ÅäÖÃetcd·þÎñ·À»ðǽ£¬ÆäÖÐ4001Ϊ·þÎñ¶Ë¿Ú£¬7001Ϊ¼¯ÈºÊý¾Ý½»»¥¶Ë¿Ú¡£
# iptables -I INPUT -s 192.168.1.0/24 -p tcp --dport 4001 -j ACCEPT # iptables -I INPUT -s 192.168.1.0/24 -p tcp --dport 7001 -j ACCEPT |
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# 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 -y install kubernetes |
Éý¼¶ÖÁv0.6.2£¬¸²¸ÇbinÎļþ¼´¿É£¬·½·¨ÈçÏ£º
# mkdir -p /home/install && cd /home/install # wget https://github.com/GoogleCloudPlatform/kubernetes/releases/download/v0.6.2/kubernetes.tar.gz # tar -zxvf kubernetes.tar.gz # tar -zxvf kubernetes/server/kubernetes-server-linux-amd64.tar.gz # cp kubernetes/server/bin/kube* /usr/bin |
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[root@SN2014-12-200 bin]# /usr/bin/kubectl version Client Version: version.Info{Major:"0", Minor:"6+", GitVersion:"v0.6.2",
GitCommit:"729fde276613eedcd99ecf5b93f095b8deb64eb4", GitTreeState:"clean"} Server Version: &version.Info{Major:"0", Minor:"6+", GitVersion:"v0.6.2",
GitCommit:"729fde276613eedcd99ecf5b93f095b8deb64eb4", GitTreeState:"clean"} |
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masterÔËÐÐÈý¸ö×é¼þ,°üÀ¨apiserver¡¢scheduler¡¢controller-manager£¬Ïà¹ØÅäÖÃÏîÒ²Ö»Éæ¼°ÕâÈý¿é¡£
4.1¡¢¡¾/etc/kubernetes/config¡¿
# Comma seperated list of nodes in the etcd cluster KUBE_ETCD_SERVERS="--etcd_servers=http://192.168.1.10:4001" # logging to stderr means we get it in the systemd journal KUBE_LOGTOSTDERR="--logtostderr=true" # journal message level, 0 is debug KUBE_LOG_LEVEL="--v=0" # Should this cluster be allowed to run privleged docker containers KUBE_ALLOW_PRIV="--allow_privileged=false" |
4.2¡¢¡¾/etc/kubernetes/apiserver¡¿
# The address on the local server to listen to. KUBE_API_ADDRESS="--address=0.0.0.0" # The port on the local server to listen on. KUBE_API_PORT="--port=8080" # How the replication controller and scheduler find the kube-apiserver KUBE_MASTER="--master=192.168.1.200:8080" # Port minions listen on KUBELET_PORT="--kubelet_port=10250" # Address range to use for services KUBE_SERVICE_ADDRESSES="--portal_net=10.254.0.0/16" # Add you own! KUBE_API_ARGS="" |
4.3¡¢¡¾/etc/kubernetes/controller-manager¡¿
# Comma seperated list of minions KUBELET_ADDRESSES="--machines= 192.168.1.201,192.168.1.202" # Add you own! KUBE_CONTROLLER_MANAGER_ARGS="" |
4.4¡¢¡¾/etc/kubernetes/scheduler¡¿
# Add your own! KUBE_SCHEDULER_ARGS="" |
Æô¶¯master²àÏà¹Ø·þÎñ
# systemctl daemon-reload # systemctl start kube-apiserver.service kube-controller-manager.service kube-scheduler.service # systemctl enable kube-apiserver.service kube-controller-manager.service kube-scheduler.service |
5£©KubernetesÅäÖ㨽öminionÖ÷»ú£©
minionÔËÐÐÁ½¸ö×é¼þ,°üÀ¨kubelet¡¢proxy£¬Ïà¹ØÅäÖÃÏîÒ²Ö»Éæ¼°ÕâÁ½¿é¡£
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# vi /etc/sysconfig/docker
Ìí¼Ó£º-H tcp://0.0.0.0:2375£¬×îÖÕÅäÖÃÈçÏ£¬ÒÔ±ãÒÔºóÌṩԶ³ÌAPIά»¤¡£
OPTIONS=--selinux-enabled -H tcp://0.0.0.0:2375
-H fd://
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iptables -I INPUT -s 192.168.1.200 -p
tcp --dport 10250 -j ACCEPT
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5.1¡¢¡¾/etc/kubernetes/config¡¿
# Comma seperated list of nodes in the etcd cluster KUBE_ETCD_SERVERS="--etcd_servers=http://192.168.1.10:4001" # logging to stderr means we get it in the systemd journal KUBE_LOGTOSTDERR="--logtostderr=true" # journal message level, 0 is debug KUBE_LOG_LEVEL="--v=0" # Should this cluster be allowed to run privleged docker containers KUBE_ALLOW_PRIV="--allow_privileged=false" |
5.2¡¢¡¾/etc/kubernetes/kubelet¡¿
### # kubernetes kubelet (minion) config # The address for the info server to serve on (set to 0.0.0.0 or "" for all interfaces) KUBELET_ADDRESS="--address=0.0.0.0" # The port for the info server to serve on KUBELET_PORT="--port=10250" # You may leave this blank to use the actual hostname KUBELET_HOSTNAME="--hostname_override=192.168.1.201" # Add your own! KUBELET_ARGS="" |
5.3¡¢¡¾/etc/kubernetes/proxy¡¿
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# systemctl daemon-reload # systemctl enable docker.service kubelet.service kube-proxy.service # systemctl start docker.service kubelet.service kube-proxy.service |
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# kubectl get minions #²é²é¿´minionÖ÷»ú # kubectl get pods #²é¿´podsÇåµ¥ # kubectl get services »ò kubectl get services -o json #²é¿´serviceÇåµ¥ # kubectl get replicationControllers #²é¿´replicationControllersÇåµ¥ # for i in `kubectl get pod|tail -n +2|awk '{print $1}'`; do kubectl delete pod $i; done #ɾ³ýËùÓÐpods |
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# curl -s -L http://192.168.1.200:8080/api/v1beta1/version | python -mjson.tool #²é¿´kubernetes°æ±¾ # curl -s -L http://192.168.1.200:8080/api/v1beta1/pods | python -mjson.tool #²é¿´podsÇåµ¥ # curl -s -L http://192.168.1.200:8080/api/v1beta1/replicationControllers | python -mjson.tool #²é¿´replicationControllersÇåµ¥ # curl -s -L http://192.168.1.200:8080/api/v1beta1/minions | python -m json.tool #²é²é¿´minionÖ÷»ú # curl -s -L http://192.168.1.200:8080/api/v1beta1/services | python -m json.tool #²é¿´serviceÇåµ¥ |
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# /home/kubermange/pods && cd /home/kubermange/pods # vi apache-pod.json |
{ "id": "fedoraapache", "kind": "Pod", "apiVersion": "v1beta1", "desiredState": { "manifest": { "version": "v1beta1", "id": "fedoraapache", "containers": [{ "name": "fedoraapache", "image": "fedora/apache", "ports": [{ "containerPort": 80, "hostPort": 8080 }] }] } }, "labels": { "name": "fedoraapache" } } |
# kubectl create -f apache-pod.json # kubectl get pod |
NAME IMAGE(S) HOST LABELS STATUS fedoraapache fedora/apache 192.168.1.202/ name=fedoraapache Running |
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