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CNI METRICS HELPER

This chart provides a Kubernetes deployment for the Amazon VPC CNI Metrics Helper, which is used to collect metrics for the Amazon VPC CNI plugin for Kubernetes.

Prerequisites

  • Kubernetes 1.11+ running on AWS
  • Helm 3.0+

Installing the Chart

First add the EKS repository to Helm:

helm repo add eks https://aws.github.io/eks-charts

To install the chart with the release name cni-metrics-helper and default configuration:

$ helm install cni-metrics-helper --namespace kube-system eks/cni-metrics-helper

To install manually, clone the Amazon VPC CNI for Kubernetes repository to your local machine:

$ git clone https://github.com/aws/amazon-vpc-cni-k8s.git

Use the helm install command to install the chart into your Kubernetes cluster:

$ helm install cni-metrics-helper --namespace kube-system ./charts/cni-metrics-helper

To uninstall:

$ helm uninstall cni-metrics-helper --namespace kube-system

Configuration

The following table lists the configurable parameters for this chart and their default values.

Parameter Description Default
fullnameOverride Override the fullname of the chart cni-metrics-helper
image.region ECR repository region to use. Should match your cluster us-west-2
image.tag Image tag v1.13.3
image.account ECR repository account number 602401143452
image.domain ECR repository domain amazonaws.com
env.USE_CLOUDWATCH Whether to export CNI metrics to CloudWatch true
env.AWS_CLUSTER_ID ID of the cluster to use when exporting metrics to CloudWatch default
env.AWS_VPC_K8S_CNI_LOGLEVEL Log verbosity level (ie. FATAL, ERROR, WARN, INFO, DEBUG) INFO
env.METRIC_UPDATE_INTERVAL Interval at which to update CloudWatch metrics, in seconds.
Metrics are published to CloudWatch at 2x the interval 30
serviceAccount.name The name of the ServiceAccount to use nil
serviceAccount.create Specifies whether a ServiceAccount should be created true
serviceAccount.annotations Specifies the annotations for ServiceAccount {}

Specify each parameter using the --set key=value[,key=value] argument to helm install or provide a YAML file containing the values for the above parameters:

$ helm install cni-metrics-handler --namespace kube-system eks/cni-metrics-handler --values values.yaml

Manual install:

$ helm install cni-metrics-helper --namespace kube-system ./charts/cni-metrics-helper --values values.yaml

Resources

Parameter Description Default
resources Resources for the pods. {}

For example, to set a CPU limit of 200m and a memory limit of 256Mi for the cni-metrics-helper pods, you can use the following command:

$ helm install cni-metrics-helper ./charts/cni-metrics-helper --namespace kube-system --set resources.limits.cpu=200m,resources.limits.memory=256Mi