Flux CD GitOps Hexagonal Architecture — จัดการ

Flux CD Hexagonal GitOps

Flux CD GitOps Hexagonal Architecture Kubernetes Git Source of Truth Kustomize Helm Multi-cluster Multi-tenancy Production

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Component	Hexagonal Role	Flux Implementation	Purpose
Git Repository	Inbound Port	GitRepository CRD	Source of Truth
Kustomize	Core Logic	Kustomization CRD	Apply Overlays Patches
Helm	Core Logic	HelmRelease CRD	Deploy Charts
Container Registry	Outbound Port	ImageRepository CRD	Image Source
Kubernetes API	Outbound Adapter	Flux Controllers	Apply Resources
Notification	Outbound Adapter	Alert Provider CRD	Slack Teams Webhook

Monitoring & Promotion

# === GitOps Metrics & Promotion ===



@dataclass

class GitOpsMetric:

    metric: str

    source: str

    target: str

    alert: str



metrics = [

    GitOpsMetric("Reconciliation Success Rate",

        "flux_reconcile_condition{type='Ready', status='True'}",

        "> 99%",

        "< 95% → P1 Alert Check Flux Logs"),

    GitOpsMetric("Sync Duration",

        "flux_reconcile_duration_seconds",

        "P99 < 60 seconds",

        "> 120s → P2 Warning Check Git/Cluster"),

    GitOpsMetric("Git Commit to Deploy",

        "Custom metric: commit_time → deploy_time",

        "< 5 minutes (Staging) < 15 min (Prod)",

        "> 30 min → P2 Check Pipeline"),

    GitOpsMetric("Image Update Lag",

        "flux_image_automation_update_duration",

        "< 2 minutes after push",

        "> 5 min → P3 Check Image Automation"),

    GitOpsMetric("Drift Detection",

        "flux_reconcile_condition{type='Ready', status='False'}",

        "0 (No drift)",

        "Any drift → P1 Alert Investigate"),

]



print("=== GitOps Metrics ===")

for m in metrics:

    print(f"  [{m.metric}]")

    print(f"    Source: {m.source}")

    print(f"    Target: {m.target}")

    print(f"    Alert: {m.alert}")