kube-ipmi-plugin

The plugin collect ipmi info and report the Kubernetes nodes

Development

Go 1.12+

Build binary

make build

Build Docker image

make docker-build

If you want to push docker image, you can use make docker-push command.

Annotations

The kube-ipmi-plugin collect the ipmi info and save the information to the Kubernetes nodes annotation.

The annotation key is: ipmi.alpha.kubernetes.io/net.

Example:

ipmi.alpha.kubernetes.io/net:{"default_gateway_ip":"192.168.254.254","default_gateway_mac":"12:34:56:78:ab:cd","ip_address":"192.168.254.10","ip_address_source":"Static Address","mac_address":"ab:cd:ef:gh:12:34","subnet_mask":"255.255.255.0"}

Use kubectl describe node <nodeName>, you can lookup this node ipmi network ip address, gateway, etc.

Annotations:        ipmi.alpha.kubernetes.io/net={"default_gateway_ip":"192.168.254.254","default_gateway_mac":"12:34:56:78:ab:cd","ip_address":"192.168.254.10","ip_address_source":"Static Address","mac_address":"ab:cd:...

Run

Running locally using Binary

You can get the source code, build the binary. Or use go install

$ go get github.com/pytimer/kube-ipmi-plugin
$ cd $GOPATH/src/github.com/pytimer/kube-ipmi-plugin
$ make build

$ go install github.com/pytimer/kube-ipmi-plugin

Make sure the plugin install in $GOPATH/bin

Running locally using Docker

Pull the kube-ipmi-plugin Docker image and run it. The latest image is pytimer/kube-ipmi-plugin, if you want to specified version, you can search this plugin images on dockerhub.

$ docker run -it --rm --network=host --device=/dev/ipmi0 pytimer/kube-ipmi-plugin
$ docker run -it --rm --network=host --privileged -v /dev/ipmi0:/dev/ipmi0 pytimer/kube-ipmi-plugin

Running the Kubernetes cluster

You can use helm to install this plugin if your Kubernetes cluster support helm. If not, you can use Kubernetes manifests to install.