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1️⃣ Real-Time Diff Summary
| Kind | Namespace | Name | Action |
|---|---|---|---|
| Namespace | demo-oss-japan | demo-oss-japan | CREATE |
| Service | demo-oss-japan | game-2048-dao-2048 | CREATE |
| Deployment | demo-oss-japan | game-2048-dao-2048 | CREATE |
| Application | argocd | game-2048 | CREATE |
| AppProject | argocd | demo-oss-japan | CREATE |
2️⃣ Impact Prediction
- The new namespace
demo-oss-japanwill be created successfully. - The
game-2048Helm release in namespacedemo-oss-japanwill create a Service of type LoadBalancer and a Deployment with one replica. - The Deployment pods will have nodeSelector for
role: storageand a toleration for NoSchedule taint with keyroleand valuestorage. - Cluster nodes do not have a label
role: storage; all nodes have no such label, causing no nodes to match the nodeSelector. - Result: Deployment pods will remain in Pending state due to no nodes matching the nodeSelector.
- The Service of type LoadBalancer may take some time to get an external IP (per Helm notes).
- Kyverno policy validations fail:
- Critical: Running container as root is disallowed; Deployment does not specify
runAsNonRoot. - Medium: CPU and memory resource requests and limits are missing; Kyverno requires these.
- Critical: Running container as root is disallowed; Deployment does not specify
- These Kyverno policy failures block the Deployment from being admitted if the policies are enforced cluster-wide.
3️⃣ Risk Analysis
-
Problem: Deployment requires nodes with label
role=storagebut no nodes have this label in the live cluster.
Impact: Pods will remain Pending indefinitely, blocking application readiness.
Mitigation: Add labelrole=storageto one or more cluster nodes or modify the Helm values to use existing node labels. -
Problem: Deployment containers run as root (no
runAsNonRootset), violating Pod Security Standards (Restricted).
Impact: Deployment will be blocked by Kyverno admission controller if policy is enforced, preventing pod creation.
Mitigation: Modify Deployment or Helm values to setsecurityContext.runAsNonRoot: truefor pod and containers. -
Problem: Deployment lacks CPU and memory resource requests and limits, violating Kyverno best practices policies.
Impact: Deployment will be blocked if Kyverno resource policies are enforced, preventing pod creation.
Mitigation: Specify CPU and memory requests and limits in Helm chart values or override.
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1️⃣ Real-Time Diff Summary
| Kind | Namespace | Name | Action |
|---|---|---|---|
| Namespace | demo-oss-japan | demo-oss-japan | CREATE |
| Application | argocd | game-2048 | CREATE |
| AppProject | argocd | demo-oss-japan | CREATE |
2️⃣ Impact Prediction
- The namespace demo-oss-japan does not exist currently in the live cluster; it will be created.
- The Application "game-2048" will create a deployment and service with resource requests and limits as configured in the Helm values.
- The deployment uses a Pod securityContext with runAsNonRoot=true, which matches recommended security best practices.
- The service type is LoadBalancer, which will allocate an external IP if cloud provider supports it.
- No matching namespace was found in the live cluster, so this is a new environment.
- The deployment runs a single replica of the dao-2048 application version 1.2.1.
3️⃣ Risk Analysis
- Problem: Target namespace "demo-oss-japan" does not exist in live cluster prior to this deployment.
Impact: Kubernetes operations for namespace-scoped resources will fail until the namespace is created.
Mitigation: Ensure the namespace resource is created and available before syncing other resources.
No Kyverno policy violations or blocking issues were detected in the provided manifest.
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1️⃣ Real-Time Diff Summary
| Kind | Namespace | Name | Action |
|---|---|---|---|
| Namespace | demo-oss-japan | demo-oss-japan | CREATE |
| Service | demo-oss-japan | game-2048-dao-2048 | CREATE |
| Deployment | demo-oss-japan | game-2048-dao-2048 | CREATE |
2️⃣ Impact Prediction
- Namespace "demo-oss-japan" will be created and is currently missing in the live cluster.
- Deployment and Service for game-2048 will be created in the "demo-oss-japan" namespace.
- The Service of type LoadBalancer will provision external access (depending on cloud environment).
- Deployment is configured with
securityContext.runAsNonRoot: truewhich is good for security. - The workload's resource requests and limits on CPU and Memory are set to 100m and 128Mi respectively.
- No existing resources with conflicts found in the destination namespace as namespace is new.
3️⃣ Risk Analysis
- Problem: Deployment does not specify CPU and memory resource requests and limits explicitly in its container resources section.
Impact: Kyverno validation fails and deployment could be blocked or rejected by admission controllers enforcing resource requests and limits.
Mitigation: Explicitly specify CPU and memory resource requests and limits in the container resources in the Helm chart values or parameters.
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