Kubelet streaming connection timeout disabled

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Metadata

Id: ed89b97d-04e9-4fd4-919f-ee5b27e555e9

Cloud Provider: k8s

Framework: Kubernetes

Severity: Medium

Category: Networking and Firewall

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Description

The --streaming-connection-idle-timeout flag should not be set to 0.

Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: foo/bar
      command: ["kubelet"]
      args: [""]
  restartPolicy: OnFailure

apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
address: "192.168.0.8"
port: 20250
serializeImagePulls: false
evictionHard:
    memory.available:  "200Mi"

{
    "address": "192.168.0.8",
    "apiVersion": "kubelet.config.k8s.io/v1beta1",
    "evictionHard": {
        "memory.available": "200Mi"
    },
    "kind": "KubeletConfiguration",
    "port": 20250,
    "serializeImagePulls": false
}

Non-Compliant Code Examples

apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
address: "192.168.0.8"
port: 20250
serializeImagePulls: false
evictionHard:
    memory.available:  "200Mi"
streamingConnectionIdleTimeout: 0s

{
    "apiVersion": "kubelet.config.k8s.io/v1beta1",
    "evictionHard": {
        "memory.available": "200Mi"
    },
    "kind": "KubeletConfiguration",
    "serializeImagePulls": false,
    "address": "192.168.0.8",
    "port": 20250,
    "streamingConnectionIdleTimeout": "0s"
}

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: foo/bar
      command: ["kubelet"]
      args: ["--streaming-connection-idle-timeout=0"]
  restartPolicy: OnFailure