[awscontainerinsightreceiver] Add Ingress metrics

[aadam19]

Ingress Metrics

Overview

This PR introduces monitoring support for Kubernetes Ingress resources in the AWS Container Insights receiver.

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EMF Logs

{
    "CloudWatchMetrics": [
        {
            "Namespace": "ContainerInsights",
            "Dimensions": [
                [
                    "ClusterName",
                    "Namespace"
                ],
                [
                    "ClusterName"
                ]
            ],
            "Metrics": [
                {
                    "Name": "namespace_number_of_running_pods",
                    "Unit": "Count",
                    "StorageResolution": 60
                }
            ]
        },
        {
            "Namespace": "ContainerInsights",
            "Dimensions": [
                [
                    "ClusterName"
                ],
                [
                    "ClusterName",
                    "Namespace"
                ]
            ],
            "Metrics": [
                {
                    "Name": "ingress_resource_count",
                    "Unit": "Count",
                    "StorageResolution": 60
                }
            ]
        }
    ],
    "ClusterName": "basic-cluster",
    "Namespace": "default",
    "NodeName": "ip-192-168-24-31.ec2.internal",
    "PlatformType": "AWS::EKS",
    "Sources": [
        "apiserver"
    ],
    "Timestamp": "1756373143811",
    "Type": "ClusterNamespace",
    "Version": "0",
    "kubernetes": {
        "namespace_name": "default"
    },
    "ingress_resource_count": 4,
    "namespace_number_of_running_pods": 9
}

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Graphs

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