inwinstack/ipvs-elector repository overview
IPVS Elector
Implementing an ARP sysctl handler in Kubernetes, if the node leading, it will be sending replies in response to received ARP requests that resolve local target IP addresses. The IPVS Elector also implements a failover mechanism so that a different node can take over should the current leader node fail for some reason.
Building from Source
Clone repo into your go path under $GOPATH/src:
$ git clone https://github.com/inwinstack/ipvs-elector.git $GOPATH/src/github.com/inwinstack/ipvs-elector
$ cd $GOPATH/src/github.com/inwinstack/ipvs-elector
$ dep ensure
$ make
Running
To see the app in action, run the following three commands in separate terminals:
# terminal 1
$ POD_NAME=test-1 POD_NAMESPACE=default go run cmd/main.go --kubeconfig $HOME/.kube/config --logtostderr -v=2
# terminal 2
$ POD_NAME=test-2 POD_NAMESPACE=default go run cmd/main.go --kubeconfig $HOME/.kube/config --logtostderr -v=2
# terminal 3
$ POD_NAME=test-3 POD_NAMESPACE=default go run cmd/main.go --kubeconfig $HOME/.kube/config --logtostderr -v=2
Now kill a terminal to see the changes.
Deploying elector into Kubernetes cluster
Run the following command to deploy the IPVS Elector:
$ kubectl apply -f deploy/
$ kubectl -n kube-system get po -l k8s-app=ipvs-elector -o wide
Tag summary
Content type
Image
Digest
Size
9 MB
Last updated
over 7 years ago
docker pull inwinstack/ipvs-elector