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| Kubernetes | |
| --- | |
| Objets | |
| Pod | |
| Labels | |
| Namespace | |
| Service | |
| Replication Controller | |
| Replica Sets (Replication Controller next gen) | |
| Node Master | |
| StatefulSet (Persistent storage) | |
| CronJobs | |
| NetworkPolicy (firewall) | |
| DaemonSet (Un pod run sur tous les noeud de mon cluster) | |
| Container Runtime (docker, rkt, frakti) | |
| kubectl (cli) | |
| Minikube (Running Kubernetes Locally) | |
| addons (Kube DNS, Kubernetes Dashboard, Heapster) | |
| Other projects (Helm, Kops, Kube-AWS, Bootkube, Kube-lego, kmachine) | |
| NodePort | |
| Deployments strategy (Rolling upgrade, A/B, Replace) | |
| Health Checking | |
| Volumes (emptyDir, hostPath, Secret) | |
| Jobs | |
| kubectl expose deployment ghost --type=LoadBalancer # Just for cloud providers | |
| Ingress (load balancer) | |
| kubernetes cluster federation | |
| Node Worker | |
| --- | |
| Kubelet (agent kubernetes) | |
| Kube-proxy (gere le réseau, iptables) | |
| Cli commands | |
| --- | |
| kubectl version | |
| kubectl cluster-info | |
| kubectl get nodes | |
| kubectl get all | |
| kubectl get pods | |
| kubectl get pods -o json | |
| kubectl get deployments | |
| kubectl get rc|replicationcontroller | |
| kubectl get rs|replicaset | |
| kubectl get ns|namespace | |
| kubectl get svc|services | |
| kubectl get ing|ingress | |
| kubectl describe pods | |
| kubectl describe services | |
| kubectl get pods -l key=value | |
| kubectl logs | |
| kubectl run | |
| kubectl proxy | |
| kubectl create -f file.yaml | |
| kubectl apply -f file.yml | |
| kubectl exec -it $POD_NAME bash | |
| kubectl run myapp --image=busybox --command -- sleep 3600 | |
| kubectl expose deployment ghost --type=<LoadBalancer|ClusterIP|NodePort|ExternalName> --port=80 --target-port=2368 | |
| kubectl delete deployments --all | |
| kubectl scale deployment ghost --replicas=4 | |
| kubectl port-forward ghost 2368:2368 | |
| kubeadm init | |
| kubeadm reset | |
| kubectl proxy # http://localhost:8001/api/v1/proxy/namespaces/default/pods/$POD_NAME/ | |
| Minikube | |
| --- | |
| minikube ip | |
| minikube dashboard | |
| minikube start --vm-driver=virtualbox | |
| kubectl run ghost --image=ghost --port=2368 | |
| kubectl expose deployment ghost --type=NodePort --port=80 --target-port=2368 | |
| export IP=$(minikube ip) | |
| export NODE_PORT=$(kubectl get services ghost -o go-template='{{(index .spec.ports 0).nodePort}}') | |
| http -h http://$IP:$NODE_PORT | |
| Helm | |
| --- | |
| kubectl create clusterrolebinding add-on-cluster-admin \ | |
| --clusterrole=cluster-admin \ | |
| --serviceaccount=kube-system:default | |
| helm init --upgrade | |
| helm repo update | |
| helm install --name ghost stable/ghost | |
| Draft | |
| --- | |
| https://draft.sh/ | |
| Kubernetes install | |
| --- | |
| https://gist.github.com/stump201/fbd25292f656725acafbbc4fed761a08 | |
| https://blog.alexellis.io/kubernetes-in-10-minutes/ | |
| https://kubernetes.io/docs/getting-started-guides/scratch/ | |
| ``` | |
| # Install master node | |
| apt-get update && apt-get install -y apt-transport-https docker.io | |
| echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" >> /etc/apt/sources.list.d/kubernetes.list | |
| curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - | |
| apt-get update && apt-get install -y kubelet kubeadm kubernetes-cni | |
| hostnamectl set-hostname node-01 | |
| swapoff /dev/sda5 | |
| kubeadm init --pod-network-cidr=10.32.0.0/12 | |
| # installing a pod network http://bit.ly/2Aw3dyE | |
| kubectl apply -f https://raw.githubusercontent.com/cloudnativelabs/kube-router/master/daemonset/kubeadm-kuberouter.yaml | |
| # Check master ready (wait 1m) | |
| kubectl get nodes | |
| # (Optional) Allow a single-host cluster | |
| kubectl taint nodes --all node-role.kubernetes.io/master- | |
| # Join a node | |
| kubeadm join --token <TOKEN> <IP> | |
| # Check node ready (wait 1m) | |
| kubectl get nodes | |
| # Install ghost | |
| kubectl run ghost --image=nginx | |
| kubectl scale deployment nginx --replicas=4 | |
| kubectl expose deployment nginx --type=NodePort --port=80 --target-port=80 | |
| export NODE_PORT=$(kubectl get services nginx -o go-template='{{(index .spec.ports 0).nodePort}}') | |
| curl http://192.168.1.50:$NODE_PORT | |
| ``` | |
| Ressources | |
| --- | |
| [Minikube](https://kubernetes.io/docs/getting-started-guides/minikube/) | |
| [Kubernetes The Hard Way](https://github.com/kelseyhightower/kubernetes-the-hard-way) | |
| https://www.youtube.com/watch?v=Ompowc9pkBw | |
| https://www.youtube.com/watch?v=QDvxQWKY17s | |
| https://www.youtube.com/watch?v=KV37yqCtpGY | |
| https://kubernetes.io/ | |
| https://github.com/ramitsurana/awesome-kubernetes | |
| http://kubernetesbyexample.com/ | |
| https://kubernetesbootcamp.github.io/kubernetes-bootcamp/ | |
| http://blog.wescale.fr/2017/09/04/kubernetes-utiliser-traefik-comme-loadbalancer/ | |
| https://blog.osones.com/kubernetes-ingress-controller-avec-traefik-et-lets-encrypt.html |