c12s-kubespray/docs/ovn4nfv.md
Cristian Calin 360aff4a57
Rename ansible groups to use _ instead of - (#7552)
* rename ansible groups to use _ instead of -

k8s-cluster -> k8s_cluster
k8s-node -> k8s_node
calico-rr -> calico_rr
no-floating -> no_floating

Note: kube-node,k8s-cluster groups in upgrade CI
      need clean-up after v2.16 is tagged

* ensure old groups are mapped to the new ones
2021-04-29 05:20:50 -07:00

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# OVN4NFV-k8S-Plugin
Intro to [ovn4nfv-k8s-plugin](https://github.com/opnfv/ovn4nfv-k8s-plugin)
## How to use it
* Enable ovn4nfv in `group_vars/k8s_cluster/k8s_cluster.yml`
```yml
...
kube_network_plugin: ovn4nfv
...
```
## Verifying ovn4nfv kube network plugin
* ovn4nfv install ovn control plan in the master and ovn daemonset in all nodes
* Network function Networking(nfn) operator is install in the master and nfn agent is installed in all the node
* ovn4nfv install `ovn4nfvk8s-cni` cni shim binary in `/opt/cni/bin/` and nfn agent act as the cni server
* All ovn4nfv pods are installed in the kube-system
```ShellSession
# From K8s client
# kubectl get pods -n kube-system -l app=ovn-control-plane -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
ovn-control-plane-5f8b7bcc65-w759g 1/1 Running 0 3d18h 192.168.121.25 master <none> <none>
# kubectl get pods -n kube-system -l app=ovn-controller -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
ovn-controller-54zzj 1/1 Running 0 3d18h 192.168.121.24 minion01 <none> <none>
ovn-controller-7cljt 1/1 Running 0 3d18h 192.168.121.25 master <none> <none>
ovn-controller-cx46g 1/1 Running 0 3d18h 192.168.121.15 minion02 <none> <none>
# kubectl get pods -n kube-system -l name=nfn-operator -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nfn-operator-6dc44dbf48-xk9zl 1/1 Running 0 3d18h 192.168.121.25 master <none> <none>
# kubectl get pods -n kube-system -l app=nfn-agent -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nfn-agent-dzlpp 1/1 Running 0 3d18h 192.168.121.15 minion02 <none> <none>
nfn-agent-jcdbn 1/1 Running 0 3d18h 192.168.121.25 master <none> <none>
nfn-agent-lrkzk 1/1 Running 0 3d18h 192.168.121.24 minion01 <none> <none>
# kubectl get pods -n kube-system -l app=ovn4nfv -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
ovn4nfv-cni-5zdz2 1/1 Running 0 3d18h 192.168.121.24 minion01 <none> <none>
ovn4nfv-cni-k5wjp 1/1 Running 0 3d18h 192.168.121.25 master <none> <none>
ovn4nfv-cni-t6z5b 1/1 Running 0 3d18h 192.168.121.15 minion02 <none> <none>
```