DevFW-CICD/ingress-nginx-helm
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feat: support topology aware hints (#9165)

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* support topology aware hints

Signed-off-by: tombokombo <tombo@sysart.tech>

* add flag to enable topology and fixes

Signed-off-by: tombokombo <tombo@sysart.tech>

* update readme

Signed-off-by: tombokombo <tombo@sysart.tech>

* add e2e test

Signed-off-by: tombokombo <tombo@sysart.tech>

* isolate topology test

Signed-off-by: tombokombo <tombo@sysart.tech>

* gofmt fix

Signed-off-by: tombokombo <tombo@sysart.tech>

Signed-off-by: tombokombo <tombo@sysart.tech>
This commit is contained in:
Tomas Hulata 2023-01-16 03:46:50 +01:00 • committed by GitHub
parent ada114315e
commit 5b2a9475dc
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 564 additions and 18 deletions
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20
internal/k8s/main.go
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@ -78,6 +78,8 @@ func GetNodeIPOrName(kubeClient clientset.Interface, name string, useInternalIP
var (
// IngressPodDetails hold information about the ingress-nginx pod
IngressPodDetails *PodInfo
// IngressNodeDetails old information about the node running ingress-nginx pod
IngressNodeDetails *NodeInfo
)
// PodInfo contains runtime information about the pod running the Ingres controller
@ -87,6 +89,12 @@ type PodInfo struct {
metav1.ObjectMeta
}
// NodeInfo contains runtime information about the node pod running the Ingres controller, eg. zone where pod is running
type NodeInfo struct {
metav1.TypeMeta
metav1.ObjectMeta
}
// GetIngressPod load the ingress-nginx pod
func GetIngressPod(kubeClient clientset.Interface) error {
podName := os.Getenv("POD_NAME")
@ -108,6 +116,18 @@ func GetIngressPod(kubeClient clientset.Interface) error {
pod.ObjectMeta.DeepCopyInto(&IngressPodDetails.ObjectMeta)
IngressPodDetails.SetLabels(pod.GetLabels())
IngressNodeDetails = &NodeInfo{
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Node"},
}
// Try to get node info/labels to determine topology zone where pod is running
node, err := kubeClient.CoreV1().Nodes().Get(context.TODO(), pod.Spec.NodeName, metav1.GetOptions{})
if err != nil {
klog.Warningf("Unable to get NODE information: %v", err)
} else {
node.ObjectMeta.DeepCopyInto(&IngressNodeDetails.ObjectMeta)
IngressNodeDetails.SetLabels(node.GetLabels())
}
return nil
}