Will Anderson
162 lines
5.2 KiB
YAML
162 lines
5.2 KiB
YAML
apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: vault-helm-gke
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namespace: argocd
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annotations:
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# Deploys the Vault Helm chart to the GKE cluster via Legion Argo CD.
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# The destination.server must be updated after `terraform apply`:
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# terraform -chdir=servers/gcp output -raw gke_cluster_endpoint
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spec:
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project: default
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source:
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repoURL: https://helm.releases.hashicorp.com
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chart: vault
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targetRevision: "0.29.1"
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helm:
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values: |
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global:
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enabled: true
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injector:
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enabled: false
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ui:
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enabled: true
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server:
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image:
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repository: hashicorp/vault
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tag: "1.19.2"
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# Workload Identity — Vault pod k8s SA impersonates vault-unseal GCP SA
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# for KMS auto-unseal. Binding is in servers/gcp/gke.tf.
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serviceAccount:
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create: true
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name: vault
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annotations:
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iam.gke.io/gcp-service-account: vault-unseal@neuron-785695.iam.gserviceaccount.com
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# GKE Autopilot: no privileged containers. Vault doesn't need privilege.
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# Request IPC_LOCK so Vault can lock memory (prevents secrets swap).
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securityContext:
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capabilities:
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add:
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- IPC_LOCK
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# HA mode — 3 replicas with Raft storage
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ha:
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enabled: true
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replicas: 3
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raft:
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enabled: true
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setNodeId: true
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config: |
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ui = true
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listener "tcp" {
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tls_disable = 1
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address = "[::]:8200"
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cluster_address = "[::]:8201"
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}
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storage "raft" {
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path = "/vault/data"
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retry_join {
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leader_api_addr = "http://vault-helm-gke-0.vault-helm-gke-internal:8200"
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}
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retry_join {
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leader_api_addr = "http://vault-helm-gke-1.vault-helm-gke-internal:8200"
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}
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retry_join {
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leader_api_addr = "http://vault-helm-gke-2.vault-helm-gke-internal:8200"
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}
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}
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seal "gcpckms" {
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project = "neuron-785695"
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region = "global"
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key_ring = "vault"
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crypto_key = "vault-unseal"
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}
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telemetry {
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prometheus_retention_time = "30s"
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disable_hostname = false
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}
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# Spread pods across GKE zones
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topologySpreadConstraints:
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- maxSkew: 1
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topologyKey: topology.kubernetes.io/zone
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whenUnsatisfiable: ScheduleAnyway
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labelSelector:
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matchLabels:
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app.kubernetes.io/name: vault
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component: server
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# 10Gi SSD per pod — premium-rwo = pd-ssd on GKE Autopilot
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dataStorage:
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enabled: true
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size: 10Gi
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storageClass: standard-rwo
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accessMode: ReadWriteOnce
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readinessProbe:
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enabled: true
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path: "/v1/sys/health?standbyok=true&sealedok=true&uninitcode=200"
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initialDelaySeconds: 5
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periodSeconds: 5
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failureThreshold: 3
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livenessProbe:
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enabled: true
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path: "/v1/sys/health?standbyok=true&sealedok=true&uninitcode=200"
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initialDelaySeconds: 60
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periodSeconds: 10
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failureThreshold: 3
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# GKE Autopilot requires resource requests on all containers
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resources:
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requests:
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memory: 256Mi
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cpu: 500m
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limits:
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memory: 512Mi
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cpu: 1000m
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service:
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enabled: true
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type: ClusterIP
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port: 8200
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targetPort: 8200
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annotations:
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# Container-native NEG for GCP Global HTTPS LB backend cutover.
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# GKE will create a zonal NEG named k8s1-<hash>-vault-vault-helm-gke-8200-<hash>
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# in each zone where Vault pods are scheduled.
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# After this syncs, list NEGs:
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# gcloud compute network-endpoint-groups list --filter="name~vault" --project neuron-785695
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# Then reference them in servers/gcp/vault-gke-lb.tf.
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cloud.google.com/neg: '{"exposed_ports":{"8200":{}}}'
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# Ingress disabled — Vault is exposed via GCP HTTPS LB.
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# After migration, update the existing LB backend (vault-nodes.tf)
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# to target a GKE NEG instead of the GCE instance groups.
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# See: https://cloud.google.com/kubernetes-engine/docs/how-to/standalone-neg
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ingress:
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enabled: false
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destination:
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# Replace GKE_CLUSTER_ENDPOINT after `terraform apply`:
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# terraform -chdir=servers/gcp output -raw gke_cluster_endpoint
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server: https://34.63.89.52
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namespace: vault
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syncPolicy:
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automated:
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prune: true
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selfHeal: true
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syncOptions:
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- CreateNamespace=true
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- ServerSideApply=true
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