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deploy demo#76

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qasmi wants to merge 1 commit intomainfrom
demo
Open

deploy demo#76
qasmi wants to merge 1 commit intomainfrom
demo

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@qasmi qasmi commented Dec 8, 2025

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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 target namespace demo-oss-japan does not exist in the current live cluster but is part of the manifest; it will be created successfully.
  • The game-2048 deployment is scheduled to use nodes labeled with role=storage. However, no nodes have this label in the live cluster.
  • Because of the nodeSelector and tolerations requirements, the pod will be unschedulable and remain in Pending state until a matching node is available.
  • The service type is LoadBalancer. It depends on cluster external load balancer support; since no nodes have the exclusion label, standard LoadBalancer behavior should apply.
  • No resources such as ConfigMaps, Secrets, or PVCs are referenced, so no missing dependencies are detected.
  • Kyverno policy validation could not be performed due to YAML parsing error in the policy input.

3️⃣ Risk Analysis

  • Problem: Deployment specifies nodeSelector role=storage, but no matching nodes exist in the live cluster.
    Impact: Pods will fail scheduling and remain Pending indefinitely.
    Mitigation: Add or label nodes with role=storage or adjust the deployment's nodeSelector to match existing node labels.

  • Problem: Kyverno policy validation failed due to YAML parsing error in input.
    Impact: Unable to confirm policy compliance, hidden policy violations might be present causing runtime admission failures.
    Mitigation: Fix the input YAML formatting errors to allow successful Kyverno validation.

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1️⃣ Real-Time Diff Summary

Kind Namespace Name Action
Namespace (none) demo-oss-japan CREATE
Application argocd game-2048 CREATE
AppProject argocd demo-oss-japan CREATE

2️⃣ Impact Prediction

  • The Namespace demo-oss-japan will be created as it does not exist in the live cluster.
  • The ArgoCD Application game-2048 will be created and deployed into the demo-oss-japan namespace.
  • The associated Helm chart dao-2048 version 1.2.1 from repo http://daocloud.github.io/dao-2048/ will be installed with values setting nodeSelector to role: storage, tolerations matching node taint key role=storage:NoSchedule, and Service type LoadBalancer.
  • The Deployment resource will specify a single replica of the app with image ghcr.io/daocloud/dao-2048:v1.2.1.
  • Node selectors and tolerations in the deployment require that pods be scheduled on nodes labeled with role=storage and tolerate NoSchedule taint with key role=storage.
  • LoadBalancer service will be created to expose app externally; external IP assignment may take time.
  • The ArgoCD AppProject demo-oss-japan will be created for managing this app.

3️⃣ Risk Analysis

  • Problem: The target namespace demo-oss-japan does not currently exist in the live cluster but is defined for creation in the manifest. Namespace creation might fail or be delayed if cluster has policy restrictions on namespace creation.
    Impact: Potential blockage of application deployment until namespace is available.
    Mitigation: Verify cluster policies and permissions allow creation of demo-oss-japan namespace before or during deployment.

  • Problem: The deployment requires nodes labeled role=storage and tolerations for role=storage:NoSchedule, but no information on existing nodes' labels or taints in the cluster was retrieved to verify availability of matching nodes.
    Impact: Possible scheduling failure of pods if no nodes satisfy nodeSelector and toleration constraints, leading to pods stuck in Pending state.
    Mitigation: Confirm cluster nodes have label role=storage and appropriate taints before deployment.

  • Problem: Service type LoadBalancer relies on cloud provider or external load balancer integration which may not be properly configured or available in the environment.
    Impact: Service may remain without external IP, causing connectivity issues.
    Mitigation: Confirm environment supports LoadBalancer services or consider alternate service types.

  • Problem: The helm chart dao-2048 has no defined resource requests or limits in values leading to no guaranteed CPU/memory reservation or quota enforcement.
    Impact: Potential resource contention or failure in quota-restricted namespaces.
    Mitigation: Define resource requests and limits in Helm values to comply with cluster resource quotas.

No Kyverno policy violations were detected or manifest patterns suggesting immediate policy enforcement failures.

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