Example for deploying flannel daemonset:
flannel-configmap:
apiVersion: v1
kind: ConfigMap
metadata:
name: kube-flannel-cfg
namespace: kube-system
labels:
tier: node
k8s-app: flannel
data:
cni-conf.json: |
{
"name": "cbr0",
"type": "flannel",
"delegate": {
"isDefaultGateway": true
}
}
net-conf.json: |
{
"Network": "{{ .PodCIDR }}",
"Backend": {
"Type": "vxlan"
}
}flannel-daemonset:
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
name: kube-flannel
namespace: kube-system
labels:
tier: node
k8s-app: flannel
spec:
template:
metadata:
labels:
tier: node
k8s-app: flannel
spec:
containers:
- name: kube-flannel
image: quay.io/coreos/flannel:v0.7.1-amd64
command: [ "/opt/bin/flanneld", "--ip-masq", "--kube-subnet-mgr", "--iface=$(POD_IP)"]
securityContext:
privileged: true
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
volumeMounts:
- name: run
mountPath: /run
- name: cni
mountPath: /etc/cni/net.d
- name: flannel-cfg
mountPath: /etc/kube-flannel/
- name: install-cni
image: quay.io/coreos/flannel-cni:0.1
command: ["/install-cni.sh"]
env:
# The CNI network config to install on each node.
- name: CNI_NETWORK_CONFIG
valueFrom:
configMapKeyRef:
name: kube-flannel-cfg
key: cni-conf.json
volumeMounts:
- name: cni
mountPath: /etc/cni/net.d
- name: host-cni-bin
mountPath: /host/opt/cni/bin/
hostNetwork: true
tolerations:
- key: node-role.kubernetes.io/master
operator: Exists
effect: NoSchedule
volumes:
- name: run
hostPath:
path: /run
- name: cni
hostPath:
path: /etc/kubernetes/cni/net.d
- name: flannel-cfg
configMap:
name: kube-flannel-cfg
- name: host-cni-bin
hostPath:
path: /opt/cni/bin
updateStrategy:
rollingUpdate:
maxUnavailable: 1
type: RollingUpdate
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