使用kind安装kubernetes
1. 安装kind
On mac or linux
curl -Lo ./kind "https://github.com/kubernetes-sigs/kind/releases/download/v0.7.0/kind-$(uname)-amd64"
chmod +x ./kind
mv ./kind /some-dir-in-your-PATH/kind2. 创建k8s集群
$ kind create cluster
Creating cluster "kind" ...
✓ Ensuring node image (kindest/node:v1.17.0) 🖼
✓ Preparing nodes 📦
✓ Writing configuration 📜
✓ Starting control-plane 🕹️
✓ Installing CNI 🔌
✓ Installing StorageClass 💾
Set kubectl context to "kind-kind"
You can now use your cluster with:
kubectl cluster-info --context kind-kind
Not sure what to do next? 😅 Check out https://kind.sigs.k8s.io/docs/user/quick-start/查看集群信息
$ kubectl cluster-info --context kind-kind
Kubernetes master is running at https://127.0.0.1:32768
KubeDNS is running at https://127.0.0.1:32768/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy查看node
$ kubectl get node -o wide
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
kind-control-plane Ready master 35h v1.17.0 172.17.0.2 <none> Ubuntu 19.10 3.10.107-1-tlinux2_kvm_guest-0049 containerd://1.3.2查看pod
$ kubectl get po --all-namespaces -o wide
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
kube-system coredns-6955765f44-lqk9v 1/1 Running 0 35h 10.244.0.4 kind-control-plane <none> <none>
kube-system coredns-6955765f44-zpsmc 1/1 Running 0 35h 10.244.0.3 kind-control-plane <none> <none>
kube-system etcd-kind-control-plane 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
kube-system kindnet-8mt7d 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
kube-system kube-apiserver-kind-control-plane 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
kube-system kube-controller-manager-kind-control-plane 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
kube-system kube-proxy-5w25s 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
kube-system kube-scheduler-kind-control-plane 1/1 Running 0 35h 172.17.0.2 kind-control-plane <none> <none>
local-path-storage local-path-provisioner-7745554f7f-dckzr 1/1 Running 0 35h 10.244.0.2 kind-control-plane <none> <none>docker ps
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
93b291f99dd4 kindest/node:v1.17.0 "/usr/local/bin/entr…" 2 minutes ago Up 2 minutes 127.0.0.1:32768->6443/tcp kind-control-plane3. kindest/node容器内进程
$ docker exec -it 93b291f99dd4 bash
root@kind-control-plane:/# ps auxw
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.1 0.0 19512 7480 ? Ss 03:18 0:00 /sbin/init
root 105 0.0 0.0 26396 7344 ? S<s 03:18 0:00 /lib/systemd/systemd-journald
root 141 2.3 0.3 2374736 51564 ? Ssl 03:18 0:06 /usr/local/bin/containerd
root 325 0.0 0.0 112540 5036 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 3f415d609e15ef12b9f53557891c311c156b912d5a326544a25c8b29cfa9d366 -address /run/containerd/containerd.sock
root 346 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 370 0.0 0.0 112540 5108 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 1e1f3eed09f701fb621325e7b9e96d1c3de60ebd3bd64e0aec376e9490cf0e57 -address /run/containerd/containerd.sock
root 397 0.0 0.0 112540 4684 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id c5e451089a1a5b3dfb2cc68ee27ac7d414285be55ecfdc5bd59180fbfbc7df2e -address /run/containerd/containerd.sock
root 424 0.0 0.0 112540 4924 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 81e35f29ac8c2dda344125a10e3791be7ccf788a88f1efbc3397fa319f02881f -address /run/containerd/containerd.sock
root 443 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 458 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 465 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 548 0.7 0.1 145500 27724 ? Ssl 03:18 0:02 kube-scheduler --authentication-kubeconfig=/etc/kubernetes/scheduler.conf --authorization-kubeconfig=/etc/kubernetes/scheduler.conf --bind-address=127.0.0.1 --kubeconfig=/etc/kubernetes/scheduler.conf --leader-elect=true
root 589 1.0 0.3 159536 54384 ? Ssl 03:18 0:02 kube-controller-manager --allocate-node-cidrs=true --authentication-kubeconfig=/etc/kubernetes/controller-manager.conf --authorization-kubeconfig=/etc/kubernetes/controller-manager.conf --bind-address=127.0.0.1 --client-ca-file=/etc/kubernetes/pki/ca.cr
root 613 3.8 1.6 445780 273484 ? Ssl 03:18 0:10 kube-apiserver --advertise-address=172.17.0.2 --allow-privileged=true --authorization-mode=Node,RBAC --client-ca-file=/etc/kubernetes/pki/ca.crt --enable-admission-plugins=NodeRestriction --enable-bootstrap-token-auth=true --etcd-cafile=/etc/kubernetes/
root 660 1.4 0.2 10613604 37448 ? Ssl 03:18 0:04 etcd --advertise-client-urls=https://172.17.0.2:2379 --cert-file=/etc/kubernetes/pki/etcd/server.crt --client-cert-auth=true --data-dir=/var/lib/etcd --initial-advertise-peer-urls=https://172.17.0.2:2380 --initial-cluster=kind-control-plane=https://172.
root 718 1.3 0.3 2084848 52772 ? Ssl 03:18 0:03 /usr/bin/kubelet --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf --config=/var/lib/kubelet/config.yaml --container-runtime=remote --container-runtime-endpoint=/run/containerd/containerd.sock --fail
root 876 0.0 0.0 112540 5084 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id adfbea8fec5ac6986407291f5bfc5aecead176954e5dabbe1517b98dd77bf78b -address /run/containerd/containerd.sock
root 893 0.0 0.0 112540 4796 ? Sl 03:18 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 53bdce023626b60ffaa0548b5888e457dc9c3bc45c7808a385dd0f63dcc90327 -address /run/containerd/containerd.sock
root 924 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 931 0.0 0.0 1012 4 ? Ss 03:18 0:00 /pause
root 1000 0.0 0.0 127616 11100 ? Ssl 03:18 0:00 /bin/kindnetd
root 1017 0.0 0.1 141060 19420 ? Ssl 03:18 0:00 /usr/local/bin/kube-proxy --config=/var/lib/kube-proxy/config.conf --hostname-override=kind-control-plane
root 1066 0.0 0.0 0 0 ? Z 03:18 0:00 [iptables-nft-sa] <defunct>
root 1080 0.0 0.0 0 0 ? Z 03:18 0:00 [iptables-nft-sa] <defunct>
root 1241 0.0 0.0 112540 5156 ? Sl 03:19 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 5cbd7bbe186cf5847786c7a03aa4c6f82e6c805d0a189f0f3e8fb1750594260d -address /run/containerd/containerd.sock
root 1262 0.0 0.0 1012 4 ? Ss 03:19 0:00 /pause
root 1303 0.1 0.0 134372 14088 ? Ssl 03:19 0:00 local-path-provisioner --debug start --helper-image k8s.gcr.io/debian-base:v2.0.0 --config /etc/config/config.json
root 1411 0.0 0.0 112540 4876 ? Sl 03:19 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id 196b440345cb5ef47a6c31222323d35bbfef85d1d79c149ec0e3a6e22022a5f0 -address /run/containerd/containerd.sock
root 1437 0.0 0.0 1012 4 ? Ss 03:19 0:00 /pause
root 1450 0.0 0.0 112540 4380 ? Sl 03:19 0:00 /usr/local/bin/containerd-shim-runc-v2 -namespace k8s.io -id de7bdf052083978c78708383f842567d4fb38adff22a56792437a4de82425afe -address /run/containerd/containerd.sock
root 1480 0.0 0.0 1012 4 ? Ss 03:19 0:00 /pause
root 1530 0.1 0.1 144324 19056 ? Ssl 03:19 0:00 /coredns -conf /etc/coredns/Corefile
root 1531 0.1 0.1 144580 19204 ? Ssl 03:19 0:00 /coredns -conf /etc/coredns/Corefile参考：
https://github.com/kubernetes-sigs/kind
https://kind.sigs.k8s.io/docs/user/quick-start/
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