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Merge pull request #132 from neuwzm/master 

kube-controller-manager start detail
pull/134/head
Jimmy Song 2018-02-07 11:56:21 +08:00 committed by GitHub
parent 7f4825051c 3e91013f26
commit 6876b66e52
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@ -225,21 +225,8 @@ KUBE_CONTROLLER_MANAGER_ARGS="--address=127.0.0.1 --service-cluster-ip-range=10.
+ `--service-cluster-ip-range` 参数指定 Cluster 中 Service 的CIDR范围，该网络在各 Node 间必须路由不可达，必须和 kube-apiserver 中的参数一致；
+ `--cluster-signing-*` 指定的证书和私钥文件用来签名为 TLS BootStrap 创建的证书和私钥；
+ `--root-ca-file` 用来对 kube-apiserver 证书进行校验，**指定该参数后，才会在Pod 容器的 ServiceAccount 中放置该 CA 证书文件**；
+ `--address` 值必须为 `127.0.0.1`，因为当前 kube-apiserver 期望 scheduler 和 controller-manager 在同一台机器，否则：
+ `--address` 值必须为 `127.0.0.1`，kube-apiserver 期望 scheduler 和 controller-manager 在同一台机器；
``` bash
$ kubectl get componentstatuses
NAME STATUS MESSAGE ERROR
scheduler Unhealthy Get http://127.0.0.1:10251/healthz: dial tcp 127.0.0.1:10251: getsockopt: connection refused
controller-manager Healthy ok
etcd-2 Healthy {"health": "true"}
etcd-0 Healthy {"health": "true"}
etcd-1 Healthy {"health": "true"}
```
如果有组件report unhealthy请参考：https://github.com/kubernetes-incubator/bootkube/issues/64
完整 unit 见 [kube-controller-manager.service](../systemd/kube-controller-manager.service)
### 启动 kube-controller-manager
@ -247,8 +234,25 @@ KUBE_CONTROLLER_MANAGER_ARGS="--address=127.0.0.1 --service-cluster-ip-range=10.
systemctl daemon-reload
systemctl enable kube-controller-manager
systemctl start kube-controller-manager
systemctl status kube-controller-manager
```
我们启动每个组件后可以通过执行命令`kubectl get componentstatuses`，来查看各个组件的状态;
```bash
$ kubectl get componentstatuses
NAME STATUS MESSAGE ERROR
scheduler Unhealthy Get http://127.0.0.1:10251/healthz: dial tcp 127.0.0.1:10251: getsockopt: connection refused
controller-manager Healthy ok
etcd-2 Healthy {"health": "true"}
etcd-0 Healthy {"health": "true"}
etcd-1 Healthy {"health": "true"}
```
- 如果有组件report unhealthy请参考：https://github.com/kubernetes-incubator/bootkube/issues/64
完整 unit 见 [kube-controller-manager.service](../systemd/kube-controller-manager.service)
## 配置和启动 kube-scheduler
**创建 kube-scheduler的serivce配置文件**