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unkinben d2be521878 feat(vault): deploy HashiCorp Vault 2.0.1 via Helm chart (5-replica HA raft) (#148)
## Summary

- Deploys HashiCorp Vault 2.0.1 using Helm chart 0.32.0 in HA raft mode (5 replicas)
- Configuration modelled on production vault: \`disable_mlock=true\`, headless-DNS retry_join for all 5 pods
- IPC_LOCK capability added via \`server.statefulSet.securityContext.container\`
- 10Gi cephrbd-fast-delete PVC per pod via \`dataStorage\`
- Gateway API: HTTPS gateway + HTTPRoute (443→vault service port 8200) at \`vault.k8s.syd1.au.unkin.net\`
- ArgoCD platform ApplicationSet updated to include vault overlay path
- Injector disabled (no agent sidecar injection needed)

## Requires

- PR #147 (artifactapi: add hashicorp/vault to docker immutable patterns) to be merged first

## Test plan

- [ ] Sandbox tested in \`sandbox-vault\`: all 5 pods Running, raft cluster forming
- [ ] After merge: ArgoCD syncs vault namespace
- [ ] Operator runs \`vault operator init\` to initialize, then unseals all 5 nodes
- [ ] Verify \`vault.k8s.syd1.au.unkin.net\` is accessible via Gateway

Reviewed-on: #148
2026-05-23 22:39:41 +10:00

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YAML

image:
tag: v3.7.0
podDisruptionBudget:
enabled: true
maxUnavailable: 1
gateway:
enabled: false
gatewayClass:
enabled: false
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: 1
providers:
kubernetesCRD:
enabled: false
kubernetesIngress:
enabled: false
kubernetesGateway:
enabled: true
experimentalChannel: false
namespaces: []
nativeLBByDefault: false
labelSelector: "traefik.io/instance=internal"
logs:
access:
enabled: true
global:
checkNewVersion: true
sendAnonymousUsage: false
notAppendXForwardedFor: false
service:
enabled: true
single: true
annotations:
purelb.io/service-group: "common"
purelb.io/addresses: 198.18.200.4
annotationsTCP: {}
annotationsUDP: {}
labels: {}
spec:
type: LoadBalancer
loadBalancerIP: "198.18.200.4"
additionalServices: {}
autoscaling:
enabled: true
minReplicas: 2
maxReplicas: 5
metrics: []
behavior: {}
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: "{{ template \"traefik.fullname\" . }}"
persistence:
enabled: false
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchLabels:
app.kubernetes.io/name: '{{ template "traefik.name" . }}'
app.kubernetes.io/instance: '{{ .Release.Name }}-{{ include "traefik.namespace" . }}'
topologyKey: kubernetes.io/hostname
podSecurityContext:
runAsGroup: 65532
runAsNonRoot: true
runAsUser: 65532
seccompProfile:
type: RuntimeDefault
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop: [ALL]
add: [NET_BIND_SERVICE]
readOnlyRootFilesystem: true
ports:
web:
port: 80
websecure:
port: 443
vault-direct:
port: 8200
enabled: true