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75 lines
2.6 KiB
YAML
75 lines
2.6 KiB
YAML
id: gcloud-vm-preemptible-enabled
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info:
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name: VM Instance Preemptibility Not Disabled
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author: princechaddha
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severity: high
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description: |
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Ensure that your Google Cloud Platform (GCP) projects are not using preemptible virtual machine instances for production and business-critical applications. A preemptible virtual machine (VM) is an instance that you can create and run at a much lower price than normal instances but it can be terminated sooner due to system demands.
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impact: |
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Preemptible VM instances can be terminated at any time to free up resources for standard VM instances, making them unsuitable for production workloads and potentially causing service disruptions.
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remediation: |
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Re-create your VM instances with preemptibility disabled. Note that you cannot disable preemptibility on an existing instance - you must create a new instance without the preemptible option.
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reference:
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- https://www.trendmicro.com/cloudoneconformity/knowledge-base/gcp/ComputeEngine/disable-preemptibility.html
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- https://cloud.google.com/compute/docs/instances/preemptible
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tags: cloud,devops,gcp,gcloud,compute,reliability,preemptible,gcp-cloud-config
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flow: |
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code(1)
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for(let projectId of iterate(template.projectIds)){
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set("projectId", projectId)
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code(2)
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for(let instance of iterate(template.instances)){
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instance = JSON.parse(instance)
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set("instanceName", instance.name)
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set("zone", instance.zone)
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code(3)
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}
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}
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self-contained: true
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code:
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- engine:
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- sh
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- bash
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source: |
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gcloud projects list --format="json(projectId)"
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extractors:
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- type: json
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name: projectIds
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internal: true
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json:
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- '.[].projectId'
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- engine:
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- sh
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- bash
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source: |
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gcloud compute instances list --project $projectId --format="json(name,zone.basename())"
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extractors:
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- type: json
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name: instances
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internal: true
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json:
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- '.[]'
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- engine:
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- sh
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- bash
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source: |
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gcloud compute instances describe $instanceName --zone $zone --project $projectId --format="json(scheduling.preemptible)"
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matchers:
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- type: word
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words:
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- "true"
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extractors:
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- type: dsl
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dsl:
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- '"VM instance " + instanceName + " in zone " + zone + " of project " + projectId + " is configured as preemptible and may not be suitable for production workloads"'
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# digest: 4b0a00483046022100c0513a93a39675e710105757b88a285b42cea4b10d0de21abba6615d3f335d1f022100c1672d6cacacd58532d77684125237e31f787befb25d5fa7d0d1d77a4cb7339d:922c64590222798bb761d5b6d8e72950 |