c12s-kubespray/roles/network_plugin/flannel/templates/cni-flannel.yml.j2
Sergey Bondarev b7e6dd0dd4 Add --iface-regex options to flannel
Flannel use interface for inter-host communication setted on --iface options
Defaults to the interface for the default route on the machine.

flannel config set via daemonset, and flannel config on all nodes is the same.
But different nodes can have different interface names for the inter-host communication network

The option --iface-regex allows the flannel to find the interface on which the address is set from the inter-host communication network
2018-03-16 21:44:36 +03:00

126 lines
3.3 KiB
Django/Jinja

---
kind: ConfigMap
apiVersion: v1
metadata:
name: kube-flannel-cfg
namespace: "{{system_namespace}}"
labels:
tier: node
app: flannel
data:
cni-conf.json: |
{
"name":"cni0",
"cniVersion":"0.3.1",
"plugins":[
{
"type":"flannel",
"delegate":{
"forceAddress":true,
"hairpinMode": true,
"isDefaultGateway":true
}
},
{
"type":"portmap",
"capabilities":{
"portMappings":true
}
}
]
}
net-conf.json: |
{
"Network": "{{ kube_pods_subnet }}",
"Backend": {
"Type": "{{ flannel_backend_type }}"
}
}
---
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
name: kube-flannel
namespace: "{{system_namespace}}"
labels:
tier: node
k8s-app: flannel
spec:
template:
metadata:
labels:
tier: node
k8s-app: flannel
spec:
{% if rbac_enabled %}
serviceAccountName: flannel
{% endif %}
containers:
- name: kube-flannel
image: {{ flannel_image_repo }}:{{ flannel_image_tag }}
imagePullPolicy: {{ k8s_image_pull_policy }}
resources:
limits:
cpu: {{ flannel_cpu_limit }}
memory: {{ flannel_memory_limit }}
requests:
cpu: {{ flannel_cpu_requests }}
memory: {{ flannel_memory_requests }}
command: [ "/opt/bin/flanneld", "--ip-masq", "--kube-subnet-mgr"{% if flannel_interface is defined %}, "--iface={{ flannel_interface }}"{% endif %}{% if flannel_interface_regexp is defined %}, "--iface-regex={{ flannel_interface_regexp }}"{% endif %} ]
securityContext:
privileged: true
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
volumeMounts:
- name: run
mountPath: /run
- name: cni
mountPath: /etc/cni/net.d
- name: flannel-cfg
mountPath: /etc/kube-flannel/
- name: install-cni
image: {{ flannel_cni_image_repo }}:{{ flannel_cni_image_tag }}
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
- name: CNI_CONF_NAME
value: "10-flannel.conflist"
volumeMounts:
- name: cni
mountPath: /host/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/cni/net.d
- name: flannel-cfg
configMap:
name: kube-flannel-cfg
- name: host-cni-bin
hostPath:
path: /opt/cni/bin
updateStrategy:
rollingUpdate:
maxUnavailable: {{ serial | default('20%') }}
type: RollingUpdate