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Agentkube includes built-in container image vulnerability scanning powered by Grype, which automatically runs in the background when the application starts up. This feature helps you identify security vulnerabilities in your container images across your Kubernetes clusters.

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How It Works

The image scanning feature:
  • Runs automatically in the background when Agentkube starts
  • Scans container images in your Kubernetes clusters
  • Uses Grype to detect known vulnerabilities
  • Provides detailed vulnerability reports and remediation suggestions
  • Updates vulnerability databases regularly

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Configuration

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Settings.json Configuration

You can configure image scanning in your settings.json file: 
{
  "imageScans": {
    "enable": true,
    "exclusions": {
      "namespaces": ["kube-system", "kube-public"],
      "labels": {
        "scan": "false"
      }
    }
  }
}

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Configuration Options

  • enable: Enable or disable image scanning (default: false)
  • exclusions.namespaces: Array of namespace names to exclude from scanning
  • exclusions.labels: Key-value pairs of labels to exclude from scanning

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Application Settings

You can also manage image scanning through the Agentkube interface:
  1. Head to Settings → Image Scan
  2. Enable/Disable Scanning: Toggle the image scanning feature on or off
  3. Namespace Exclusions: Add namespaces you want to exclude from scanning
  4. Label Exclusions: Add label selectors to exclude specific workloads

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Exclusion Examples

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Exclude System Namespaces

{
  "imageScans": {
    "exclusions": {
      "namespaces": [
        "kube-system",
        "kube-public",
        "kube-node-lease",
        "istio-system"
      ]
    }
  }
}

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Exclude by Labels

{
  "imageScans": {
    "exclusions": {
      "labels": {
        "security.scan": "false",
        "environment": "development"
      }
    }
  }
}