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GKE Network Policies enforcement disabled Affecting Kubernetes (Container) Engine service in Google

Severity

0.0
medium
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    Containers / Best Practices

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  • Snyk ID SNYK-CC-00416
  • credit Snyk Research Team
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Description

Network policies cannot be used as part of defense in depth controls.

How to fix?

Set network_policy.enabled attribute to true.

Example Configuration

resource "google_container_cluster" "allowed" {
  name     = "my-gke-cluster416"
  location = "us-central1-a"
  initial_node_count       = 1
  node_config{
    disk_size_gb = 10
  }
  network_policy {
    enabled = true
  }
}

resource "google_container_cluster" "allowed_2" {
  name     = "my-gke-cluster416a"
  location = "us-central1"
  ip_allocation_policy {
    cluster_ipv4_cidr_block  = ""
    services_ipv4_cidr_block = ""
  }
  enable_autopilot = true
}