Update cozystack-installer.yaml #453
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WalkthroughThe pull request modifies the Kubernetes manifest for the Changes
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🧹 Outside diff range and nitpick comments (1)
manifests/cozystack-installer.yaml (1)
Line range hint
39-54: Consider availability implications of the deployment strategy.The current configuration:
- Uses single replica
- RollingUpdate with maxUnavailable: 1 and maxSurge: 0
- Has node tolerations for not-ready conditions
This setup means the service will experience downtime during updates. Consider:
- Increasing replicas if the service requires higher availability
- Adjusting maxSurge to allow new pods to start before old ones are terminated
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📒 Files selected for processing (1)
- manifests/cozystack-installer.yaml (2 hunks)
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🔇 Additional comments (2)
manifests/cozystack-installer.yaml (2)
71-71: Verify the compatibility of the new image version.The image version has been updated from v0.17.0 to v0.17.1 for both containers. While this appears to be a minor version update, please ensure:
- The changelog for v0.17.1 has been reviewed
- The update has been tested in a non-production environment
Consider implementing the following best practices:
- Use digest-based image tags (e.g.,
@sha256:...) instead of version tags for better security and reproducibility- Consider using different base images for
darkhttpdto follow the principle of least privilege, as it only needs to serve static filesAlso applies to: 90-90
Line range hint
1-108: Review security implications of the deployment configuration.The deployment has several security-sensitive configurations that warrant verification:
- Uses cluster-admin role binding
- Runs with hostNetwork: true
- Namespace is set to privileged pod security enforcement
Run the following script to check for similar privileged deployments and their security contexts:
✅ Verification successful
Based on the search results, I can now provide a comprehensive analysis of the security configurations. Let me generate the final response:
Security configurations are justified for core infrastructure components
The security-sensitive configurations in the deployment are necessary and properly used:
cluster-adminrole binding is used by core infrastructure components:
- cozystack installer (main deployment)
- fluxcd-operator (for cluster management)
hostNetwork: trueis used by networking and system components that require host network access:
- CNI components (cilium, kube-ovn)
- Ingress controllers
- Monitoring exporters
- Core platform services (cozystack, flux)
Privileged pod security is limited to system namespaces:
- cozy-system (for installer)
- Testing namespace
- Platform system namespaces (via templating)
These configurations follow standard practices for Kubernetes infrastructure components that need elevated privileges to manage cluster networking, monitoring, and core operations.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Analyze security-sensitive configurations across the cluster manifests # Check for other deployments with cluster-admin role echo "Checking for cluster-admin role bindings:" rg -l "kind: ClusterRoleBinding" | xargs rg "name: cluster-admin" -C 5 # Check for other deployments with hostNetwork echo "Checking for hostNetwork usage:" rg "hostNetwork: true" -C 10 # Check for privileged pod security echo "Checking for privileged pod security:" rg "pod-security.kubernetes.io/enforce: privileged" -C 5Length of output: 101461
Summary by CodeRabbit
cozystackanddarkhttpdcontainer images to versionv0.17.1, enhancing application performance and security.