用 kubeadm --config 創(chuàng)建 k8s 集群
(金慶的專欄 2018.5)
利用阿里云的yum鏡像和docker鏡像,可以不用代理直接安裝創(chuàng)建 k8s 集群。
K8s 版本為 v1.10.3
參考:
https://blog.csdn.net/u010209217/article/details/78533936
Kubernetes 1.7.5部署以及kubernates-dashboard 1.7安裝
https://www.cnblogs.com/liangDream/p/7358847.html
CentOS7.3利用kubeadm安裝kubernetes1.7.3完整版(官方文檔填坑篇)
https://yq.aliyun.com/articles/66474
阿里云快速部署Kubernetes - VPC環(huán)境
Docker 已安裝。
采用阿里云的yum源鏡像,直接安裝:
yum -y install kubectl kubeadm kubelet
vi /etc/systemd/system/kubelet.service.d/10-kubeadm.conf, 為kubelet添加一個額外的參數(shù),
這樣kubelet就不會在啟動pod的時候去墻外的k8s倉庫拉取pause-amd64:3.0鏡像了
--pod-infra-container-image=registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0
export KUBE_REPO_PREFIX 的方式指定kube鏡像庫已在1.8版本后無效,需要改為配置文件中配置 imageRepository。
kubeadm.yaml 示例:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/
apiVersion: kubeadm.k8s.io/v1alpha1
kind: MasterConfiguration
api:
advertiseAddress: "10.20.79.10"
networking:
podSubnet: "10.244.0.0/16"
kubernetesVersion: "v1.10.3"
imageRepository: "registry.cn-hangzhou.aliyuncs.com/google_containers"
初始化命令為:
kubeadm init --config kubeadm.yaml
其他注意點(diǎn):
需要開啟 kubelet.service, 不然檢查會報(bào)警告:
systemctl enable kubelet && systemctl start kubelet
(金慶的專欄 2018.5)
利用阿里云的yum鏡像和docker鏡像,可以不用代理直接安裝創(chuàng)建 k8s 集群。
K8s 版本為 v1.10.3
參考:
https://blog.csdn.net/u010209217/article/details/78533936
Kubernetes 1.7.5部署以及kubernates-dashboard 1.7安裝
https://www.cnblogs.com/liangDream/p/7358847.html
CentOS7.3利用kubeadm安裝kubernetes1.7.3完整版(官方文檔填坑篇)
https://yq.aliyun.com/articles/66474
阿里云快速部署Kubernetes - VPC環(huán)境
Docker 已安裝。
采用阿里云的yum源鏡像,直接安裝:
yum -y install kubectl kubeadm kubelet
vi /etc/systemd/system/kubelet.service.d/10-kubeadm.conf, 為kubelet添加一個額外的參數(shù),
這樣kubelet就不會在啟動pod的時候去墻外的k8s倉庫拉取pause-amd64:3.0鏡像了
--pod-infra-container-image=registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0
export KUBE_REPO_PREFIX 的方式指定kube鏡像庫已在1.8版本后無效,需要改為配置文件中配置 imageRepository。
kubeadm.yaml 示例:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/
apiVersion: kubeadm.k8s.io/v1alpha1
kind: MasterConfiguration
api:
advertiseAddress: "10.20.79.10"
networking:
podSubnet: "10.244.0.0/16"
kubernetesVersion: "v1.10.3"
imageRepository: "registry.cn-hangzhou.aliyuncs.com/google_containers"
初始化命令為:
kubeadm init --config kubeadm.yaml
其他注意點(diǎn):
需要開啟 kubelet.service, 不然檢查會報(bào)警告:
systemctl enable kubelet && systemctl start kubelet
需要關(guān)閉 swap:
[ERROR Swap]: running with swap on is not supported. Please disable swap
swapoff -a
可以查看 ls -ltr /etc/kubernetes/manifests/
yaml文件列表,每個文件都會寫著鏡像的地址和版本
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
kubeadm會自動檢查當(dāng)前環(huán)境是否有上次命令執(zhí)行的“殘留”。如果有,必須清理后再行執(zhí)行init。我們可以通過”kubeadm reset”來清理環(huán)境,以備重來。
journalctl -xeu kubelet
用來查看kubelet執(zhí)行有什么錯誤。
failed to run Kubelet: failed to create kubelet: misconfiguration: kubelet cgroup driver: "systemd" is different from docker cgroup driver: "cgroupfs"
需要修改 /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
sed -i "s/cgroup-driver=systemd/cgroup-driver=cgroupfs/g" /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
systemctl daemon-reload && systemctl restart kubelet
[ERROR Swap]: running with swap on is not supported. Please disable swap
swapoff -a
可以查看 ls -ltr /etc/kubernetes/manifests/
yaml文件列表,每個文件都會寫著鏡像的地址和版本
[ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists
[ERROR Port-10250]: Port 10250 is in use
kubeadm會自動檢查當(dāng)前環(huán)境是否有上次命令執(zhí)行的“殘留”。如果有,必須清理后再行執(zhí)行init。我們可以通過”kubeadm reset”來清理環(huán)境,以備重來。
journalctl -xeu kubelet
用來查看kubelet執(zhí)行有什么錯誤。
failed to run Kubelet: failed to create kubelet: misconfiguration: kubelet cgroup driver: "systemd" is different from docker cgroup driver: "cgroupfs"
需要修改 /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
sed -i "s/cgroup-driver=systemd/cgroup-driver=cgroupfs/g" /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
systemctl daemon-reload && systemctl restart kubelet