flannel部署

https://github.com/flannel-io/flannel

For Kubernetes v1.17+ kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/master/Documentation/kube-flannel.yml

 

 

https://github.com/flannel-io/flannel/blob/master/Documentation/kubernetes.md

Older versions of Kubernetes

kube-flannel.yaml has some features that aren’t compatible with older versions of Kubernetes, though flanneld itself should work with any version of Kubernetes.

For Kubernetes v1.6~v1.15

If you see errors saying found invalid field... when you try to apply kube-flannel.yaml then you can try the “legacy” manifest file

• kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/k8s-manifests/kube-flannel-legacy.yml

This file does not bundle RBAC permissions. If you need those, run

• kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/k8s-manifests/kube-flannel-rbac.yml

If you didn’t apply the kube-flannel-rbac.yml manifest and you need to, you’ll see errors in your flanneld logs about failing to connect.

• Failed to create SubnetManager: error retrieving pod spec...

For Kubernetes v1.16

kube-flannel.yaml uses ClusterRole & ClusterRoleBinding of rbac.authorization.k8s.io/v1. When you use Kubernetes v1.16, you should replace rbac.authorization.k8s.io/v1 to rbac.authorization.k8s.io/v1beta1 because rbac.authorization.k8s.io/v1 had become GA from Kubernetes v1.17.