unkinben
0d89a69c18
- stalwart namespace with Deployment + HPA (2-6 replicas) - CNPG PostgreSQL cluster (3 instances, 20Gi cephrbd-fast-delete) with PgBouncer pooler - S3/Ceph-RGW for blob storage (stalwart-maildata bucket, lz4 compressed) - Secrets from Vault: postgres-credentials, s3-credentials, stalwart-admin - TLS cert via cert-manager (vault-issuer) for mail.main.unkin.net - SMTP relay on port 25 (internal ClusterIP, trusted pod CIDRs) - Submission on port 587, IMAP 143/993, HTTPS 443 via LoadBalancer - HTTP port 8080 for Traefik reverse proxy (web admin at mail.k8s.syd1.au.unkin.net) - Outbound mail routed through postfix.mailgateway.svc.cluster.local:25 - Spam filtering offloaded to postfix/rspamd (disabled internally)
39 lines
786 B
YAML
39 lines
786 B
YAML
---
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apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
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metadata:
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name: stalwart-hpa
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namespace: stalwart
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: stalwart
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minReplicas: 2
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maxReplicas: 6
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metrics:
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- type: Resource
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resource:
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name: cpu
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target:
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type: Utilization
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averageUtilization: 70
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behavior:
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scaleUp:
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stabilizationWindowSeconds: 0
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selectPolicy: Max
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policies:
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- type: Percent
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value: 100
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periodSeconds: 60
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- type: Pods
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value: 2
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periodSeconds: 30
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scaleDown:
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stabilizationWindowSeconds: 300
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selectPolicy: Min
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policies:
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- type: Percent
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value: 30
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periodSeconds: 60
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