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Initial Commit.

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Balaji Subramaniam 2016-07-01 11:46:05 -07:00
commit 15a4d0ef2e
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1
Dockerfile Normal file
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FROM golang:onbuild

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README.md Normal file
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# dbi-iafeature-discovery
Research Prototype for IA feature discovery in a Kubernetes cluster. Details on this prototype can be found here: https://goo.gl/e5xe5Q.

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featurelabeling-daemonset.json Normal file
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{
"apiVersion": "extensions/v1beta1",
"kind": "DaemonSet",
"metadata": {
"labels": {
"app": "dbi-nodelabel"
},
"name": "dbi-nodelabel"
},
"spec": {
"template": {
"metadata": {
"labels": {
"app": "dbi-nodelabel"
}
},
"spec": {
"containers": [
{
"env": [
{
"name": "POD_NAME",
"valueFrom": {
"fieldRef": {
"fieldPath": "metadata.name"
}
}
},
{
"name": "POD_NAMESPACE",
"valueFrom": {
"fieldRef": {
"fieldPath": "metadata.namespace"
}
}
}
],
"image": "intelsdi/nodelabels",
"name": "nodelabeler",
"resources": {
"limits": {
"cpu": "1000m",
"memory": "1000Mi"
}
}
}
]
}
}
}
}

41
main.go Normal file
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package main
import (
"log"
"os"
"github.com/klauspost/cpuid"
client "k8s.io/kubernetes/pkg/client/unversioned"
)
func main() {
//Setting-up K8S client
cli, err := client.NewInCluster()
if err != nil {
log.Fatalf("Can't Get K8s Client:%v", err)
}
features := cpuid.CPU.Features.Strings()
podName := os.Getenv("POD_NAME")
podns := os.Getenv("POD_NAMESPACE")
pod, err := cli.Pods(podns).Get(podName)
if err != nil {
log.Fatalf("Can't Get Pod:%v", err)
}
node, err := cli.Nodes().Get(pod.Spec.NodeName)
if err != nil {
log.Fatalf("Can't Get Node:%v", err)
}
for _, feature := range features {
node.Labels["node.alpha.intel.com/"+feature] = "true"
}
_, err = cli.Nodes().Update(node)
if err != nil {
log.Fatalf("Can't Update Node:%v", err)
}
}