refactor(cnpg): unify all apps on 'app' database user/credentials pattern
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@@ -82,6 +82,12 @@ kubectl get secret ddb-cluster-app -n ddb -o yaml \
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| sed 's/namespace: ddb/namespace: cicd/' \
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| kubectl apply -f -
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# Copy DB secret to iam namespace (for authentik)
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log "Copying ddb-cluster-app secret to iam namespace..."
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kubectl get secret ddb-cluster-app -n ddb -o yaml \
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| sed 's/namespace: ddb/namespace: iam/' \
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| kubectl apply -f -
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# 7. Wait for Forgejo
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log "Waiting for Forgejo to be ready..."
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kubectl wait --for=condition=available --timeout=600s \
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@@ -27,22 +27,10 @@ spec:
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- CREATE EXTENSION IF NOT EXISTS pgcrypto;
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- CREATE EXTENSION IF NOT EXISTS pg_trgm;
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# Per-app login roles, passwords sourced from secrets (CNPG reconciles the
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# role password to match the secret). Their databases are separate Database
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# CRs (see authentik-database.yaml / temporal-database.yaml) owned by these
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# roles. Replaces the old helmfile post-sync user-creation hook.
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managed:
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roles:
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- name: authentik
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ensure: present
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login: true
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passwordSecret:
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name: authentik-db-role
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- name: temporal
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ensure: present
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login: true
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passwordSecret:
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name: temporal-db-role
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# Simple ownership model: all apps use 'app' bootstrap user.
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# Isolation via separate database names, not separate roles.
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# Aligns with CNPG design (single cluster, multiple databases).
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# managed.roles removed - no per-app roles needed.
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# Disable superuser (security)
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enableSuperuserAccess: false
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@@ -5,6 +5,6 @@ metadata:
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namespace: ddb
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spec:
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name: authentik
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owner: authentik
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owner: app # All apps use shared 'app' user (CNPG design pattern)
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cluster:
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name: ddb-cluster
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@@ -1,122 +0,0 @@
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# PostSync Job to grant schema permissions after Database CRs reconcile
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#
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# ROOT CAUSE: CNPG Database CR creates databases but doesn't grant schema
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# permissions to the specified owner role. The bootstrap database owner
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# (app) retains CREATE privilege on public schema, blocking other roles.
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#
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# SOLUTION: After Database CRs reconcile, connect as 'app' (DB owner) and
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# grant ALL on schema public to each Database's owner role.
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#
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# This runs every sync (BeforeHookCreation policy), ensuring permissions
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# survive CNPG database recreation or cluster rebuilds.
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: grant-schema-permissions
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namespace: ddb
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: grant-schema-permissions
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namespace: ddb
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rules:
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- apiGroups: [""]
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resources: ["secrets"]
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verbs: ["get"]
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- apiGroups: ["postgresql.cnpg.io"]
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resources: ["databases"]
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verbs: ["list", "get"]
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: grant-schema-permissions
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namespace: ddb
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subjects:
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- kind: ServiceAccount
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name: grant-schema-permissions
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namespace: ddb
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roleRef:
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kind: Role
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name: grant-schema-permissions
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apiGroup: rbac.authorization.k8s.io
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---
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: grant-schema-permissions
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namespace: ddb
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annotations:
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argocd.argoproj.io/hook: PostSync
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argocd.argoproj.io/hook-delete-policy: BeforeHookCreation
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spec:
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backoffLimit: 5
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template:
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spec:
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serviceAccountName: grant-schema-permissions
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restartPolicy: Never
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containers:
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- name: grant-permissions
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image: postgres:16-alpine
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command:
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- /bin/sh
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- -c
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- |
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set -e
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echo "Granting schema permissions to database owners..."
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# Get app user password (owns all databases)
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export PGPASSWORD=$(cat /app-secret/password)
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PGHOST=ddb-cluster-rw.ddb.svc.cluster.local
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PGUSER=app
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# Grant for authentik database
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echo "Granting to authentik role in authentik database..."
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psql -h "$PGHOST" -U "$PGUSER" -d authentik << 'SQL'
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-- Database-level permission (needed for CREATE SCHEMA)
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GRANT CREATE ON DATABASE authentik TO authentik;
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-- Schema-level permissions
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GRANT ALL ON SCHEMA public TO authentik;
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GRANT ALL ON ALL TABLES IN SCHEMA public TO authentik;
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GRANT ALL ON ALL SEQUENCES IN SCHEMA public TO authentik;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON TABLES TO authentik;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON SEQUENCES TO authentik;
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SQL
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# Grant for temporal database
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echo "Granting to temporal role in temporal database..."
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psql -h "$PGHOST" -U "$PGUSER" -d temporal << 'SQL'
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-- Database-level permission
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GRANT CREATE ON DATABASE temporal TO temporal;
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-- Schema-level permissions
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GRANT ALL ON SCHEMA public TO temporal;
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GRANT ALL ON ALL TABLES IN SCHEMA public TO temporal;
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GRANT ALL ON ALL SEQUENCES IN SCHEMA public TO temporal;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON TABLES TO temporal;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON SEQUENCES TO temporal;
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SQL
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# Grant for temporal_visibility database
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echo "Granting to temporal role in temporal_visibility database..."
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psql -h "$PGHOST" -U "$PGUSER" -d temporal_visibility << 'SQL'
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-- Database-level permission
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GRANT CREATE ON DATABASE temporal_visibility TO temporal;
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-- Schema-level permissions
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GRANT ALL ON SCHEMA public TO temporal;
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GRANT ALL ON ALL TABLES IN SCHEMA public TO temporal;
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GRANT ALL ON ALL SEQUENCES IN SCHEMA public TO temporal;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON TABLES TO temporal;
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ALTER DEFAULT PRIVILEGES FOR ROLE app IN SCHEMA public GRANT ALL ON SEQUENCES TO temporal;
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SQL
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echo "✅ Schema permissions granted successfully"
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volumeMounts:
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- name: app-secret
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mountPath: /app-secret
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readOnly: true
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volumes:
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- name: app-secret
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secret:
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secretName: ddb-cluster-app
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@@ -8,7 +8,6 @@ namespace: ddb
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# GitOps-managed database schemas (ArgoCD wave 6).
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# These depend on ddb-cluster existing (bootstrap wave 0).
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resources:
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- grant-schema-permissions-job.yaml
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- authentik-database.yaml
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- temporal-database.yaml
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- temporal-visibility-database.yaml
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@@ -5,6 +5,6 @@ metadata:
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namespace: ddb
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spec:
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name: temporal
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owner: temporal
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owner: app # All apps use shared 'app' user (CNPG design pattern)
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cluster:
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name: ddb-cluster
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@@ -5,6 +5,6 @@ metadata:
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namespace: ddb
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spec:
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name: temporal_visibility
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owner: temporal
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owner: app # All apps use shared 'app' user (CNPG design pattern)
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cluster:
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name: ddb-cluster
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@@ -23,13 +23,14 @@ authentik:
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enabled: false # do not phone home to Sentry
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# PostgreSQL connection — points at CloudNativePG cluster in ddb namespace.
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# password is injected via helmfile --set at deploy time.
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# Uses 'app' bootstrap user (CNPG simple pattern, same as Forgejo).
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# Credentials injected from ddb-cluster-app secret via env vars below.
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postgresql:
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host: ddb-cluster-rw.ddb.svc.cluster.local
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port: 5432
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name: authentik
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user: authentik
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password: "" # injected via helmfile --set authentik.postgresql.password
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user: app # All apps use shared 'app' user (CNPG design pattern)
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password: "" # overridden by AUTHENTIK_POSTGRESQL__PASSWORD env var
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# Redis connection — bundled subchart, standalone mode (no sentinel/cluster).
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redis:
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@@ -123,7 +124,23 @@ server:
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volumes: *caVolumes
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volumeMounts: *caVolumeMounts
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initContainers: *caInitContainers
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env: *caEnv
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env:
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# Merge CA trust env vars
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- name: REQUESTS_CA_BUNDLE
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value: /merged/ca-bundle.crt
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- name: SSL_CERT_FILE
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value: /merged/ca-bundle.crt
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# Override database credentials to use 'app' from ddb-cluster-app
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- name: AUTHENTIK_POSTGRESQL__USER
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valueFrom:
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secretKeyRef:
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name: ddb-cluster-app
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key: username
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- name: AUTHENTIK_POSTGRESQL__PASSWORD
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valueFrom:
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secretKeyRef:
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name: ddb-cluster-app
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key: password
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podAnnotations:
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configmap.reloader.stakater.com/reload: "homelab-ca"
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homelab.io/restart-at: "2026-06-21T13-40"
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@@ -178,7 +195,23 @@ worker:
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volumes: *caVolumes
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volumeMounts: *caVolumeMounts
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initContainers: *caInitContainers
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env: *caEnv
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env:
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# Merge CA trust env vars
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- name: REQUESTS_CA_BUNDLE
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value: /merged/ca-bundle.crt
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- name: SSL_CERT_FILE
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value: /merged/ca-bundle.crt
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# Override database credentials to use 'app' from ddb-cluster-app
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- name: AUTHENTIK_POSTGRESQL__USER
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valueFrom:
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secretKeyRef:
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name: ddb-cluster-app
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key: username
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- name: AUTHENTIK_POSTGRESQL__PASSWORD
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valueFrom:
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secretKeyRef:
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name: ddb-cluster-app
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key: password
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podAnnotations:
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configmap.reloader.stakater.com/reload: "homelab-ca"
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homelab.io/restart-at: "2026-06-21T13-40"
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