Verify Namespace Termination

Type: Rule
ID: k8s-namespace-verify-namespace-termination
Source: v2/rules/k8s/namespace/verify-namespace-termination.yaml
Rego Source: verify-namespace-termination.rego
Labels: K8s, Namespace

Verify Kubernetes namespaces are properly terminated to prevent lingering resources and maintain cluster hygiene.

note

This rule requires K8s Namespace Discovery Evidence. See here for more details.

tip

Signed Evidence for this rule IS NOT required by default but is recommended.

warning

Rule requires evaluation with a target. Without one, it will be disabled unless the --all-evidence flag is provided.

Usage example

uses: k8s/namespace/verify-namespace-termination@v2
with:
  namespaces:
    - ".*"

Mitigation

Ensures that namespaces are terminated in a timely manner, preventing lingering resources and maintaining cluster hygiene.

Description

This rule verifies that namespaces in Kubernetes are terminated properly within the specified time frame. It performs the following steps:

1. Iterates over the namespaces marked for termination in the cluster.
2. Checks each namespace's termination time against the limit specified in the with.max_termination_time configuration.
   • If a namespace's termination time exceeds the limit, the rule flags it as a violation.

Evidence Requirements:

• Evidence must be provided by the Scribe Platform's CLI tool through scanning Kubernetes resources.

Evidence Requirements

Field	Value
signed	False
content_body_type	generic
target_type	data
predicate_type	http://scribesecurity.com/evidence/discovery/v0.1
labels	- asset_type=namespace - platform=k8s

Input Definitions

Parameter	Type	Required	Description
namespaces	array	False	A list of namespaces to verify (supports regex).