feat(keycloak): install keycloak with official operator

keycloak/.gitignore

@@ -1 +1 @@
-keycloak-values.yaml
+keycloak-cr.yaml

keycloak/justfile

@@ -1,10 +1,10 @@
 set fallback := true
 
-# Keycloak Helm chart info:
-# helm show chart oci://registry-1.docker.io/bitnamicharts/keycloak
+# Keycloak Operator info:
+# https://www.keycloak.org/operator/installation
 
 export KEYCLOAK_NAMESPACE := env("KEYCLOAK_NAMESPACE", "keycloak")
-export KEYCLOAK_CHART_VERSION := env("KEYCLOAK_CHART_VERSION", "25.0.2")
+export KEYCLOAK_OPERATOR_VERSION := env("KEYCLOAK_OPERATOR_VERSION", "26.3.4")
 export KEYCLOAK_REALM := env("KEYCLOAK_REALM", "")
 export KEYCLOAK_HOST := env("KEYCLOAK_HOST", "")
 export K8S_OIDC_CLIENT_ID := env('K8S_OIDC_CLIENT_ID', "k8s")
@@ -52,23 +52,37 @@ create-credentials:
         echo "Waiting for ExternalSecret to sync..."
         kubectl wait --for=condition=Ready externalsecret/keycloak-credentials \
             -n ${KEYCLOAK_NAMESPACE} --timeout=60s
+
+        # Create bootstrap admin secret for Keycloak Operator (username/password format)
+        kubectl delete secret keycloak-bootstrap-admin -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
+        kubectl create secret generic keycloak-bootstrap-admin -n ${KEYCLOAK_NAMESPACE} \
+            --from-literal=username="${admin_user}" \
+            --from-literal=password="${password}"
     else
-        echo "External Secrets Operator not found. Creating secret directly..."
-        if kubectl get secret keycloak-credentials -n ${KEYCLOAK_NAMESPACE} &>/dev/null; then
-            kubectl delete --ignore-not-found secret keycloak-credentials -n ${KEYCLOAK_NAMESPACE}
-        fi
+        echo "External Secrets Operator not found. Creating secrets directly..."
+        # Delete existing secrets
+        kubectl delete secret keycloak-credentials -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
+        kubectl delete secret keycloak-bootstrap-admin -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
+
+        # Create keycloak-credentials secret (admin-user/password format for legacy scripts)
         kubectl create secret generic keycloak-credentials -n ${KEYCLOAK_NAMESPACE} \
             --from-literal=admin-user="${admin_user}" \
             --from-literal=password="${password}"
 
+        # Create bootstrap admin secret for Keycloak Operator (username/password format)
+        kubectl create secret generic keycloak-bootstrap-admin -n ${KEYCLOAK_NAMESPACE} \
+            --from-literal=username="${admin_user}" \
+            --from-literal=password="${password}"
+
         if helm status vault -n ${K8S_VAULT_NAMESPACE} &>/dev/null; then
             just put-admin-credentials-to-vault "${admin_user}" "${password}"
         fi
     fi
 
-# Delete Keycloak secret
+# Delete Keycloak secrets
 delete-credentials:
     @kubectl delete secret keycloak-credentials -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
+    @kubectl delete secret keycloak-bootstrap-admin -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
     @kubectl delete externalsecret keycloak-credentials -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
 
 # Create Keycloak database secret
@@ -89,31 +103,51 @@ create-database-secret:
 delete-database-secret:
     @kubectl delete secret database-config -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
 
-# Install Keycloak
+# Install Keycloak Operator
+install-operator:
+    #!/bin/bash
+    set -euo pipefail
+    just create-namespace
+    echo "Installing Keycloak Operator CRDs..."
+    kubectl apply -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/keycloaks.k8s.keycloak.org-v1.yml
+    kubectl apply -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/keycloakrealmimports.k8s.keycloak.org-v1.yml
+    echo "Installing Keycloak Operator in ${KEYCLOAK_NAMESPACE} namespace..."
+    kubectl apply -n ${KEYCLOAK_NAMESPACE} -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/kubernetes.yml
+    kubectl wait --for=condition=available deployment/keycloak-operator -n ${KEYCLOAK_NAMESPACE} --timeout=300s
+
+# Install Keycloak instance
 install:
     #!/bin/bash
     set -euo pipefail
-    # Setup vault environment once at the beginning if vault is enabled
+    just install-operator
     just create-credentials
     just postgres::create-db keycloak
     just create-database-secret
+    just create-namespace
     KEYCLOAK_ADMIN_USER=$(just admin-username) \
-        gomplate -f keycloak-values.gomplate.yaml -o keycloak-values.yaml
-    helm upgrade --cleanup-on-fail --install \
-        keycloak oci://registry-1.docker.io/bitnamicharts/keycloak \
-        --version ${KEYCLOAK_CHART_VERSION} -n ${KEYCLOAK_NAMESPACE} --wait \
-        -f keycloak-values.yaml
+        gomplate -f keycloak-cr.gomplate.yaml -o keycloak-cr.yaml
+    kubectl apply -f keycloak-cr.yaml
+    kubectl wait --for=condition=Ready keycloak/keycloak -n ${KEYCLOAK_NAMESPACE} --timeout=600s
 
-# Uninstall Keycloak
+# Uninstall Keycloak instance
 uninstall delete-db='true':
     #!/bin/bash
     set -euo pipefail
-    helm uninstall keycloak -n ${KEYCLOAK_NAMESPACE} --ignore-not-found --wait
+    kubectl delete keycloak keycloak -n ${KEYCLOAK_NAMESPACE} --ignore-not-found
+    kubectl wait --for=delete keycloak/keycloak -n ${KEYCLOAK_NAMESPACE} --timeout=300s || true
     just delete-namespace
     if [ "{{ delete-db }}" = "true" ]; then
         just postgres::delete-db keycloak
     fi
 
+# Uninstall Keycloak Operator
+uninstall-operator:
+    #!/bin/bash
+    set -euo pipefail
+    kubectl delete -n ${KEYCLOAK_NAMESPACE} -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/kubernetes.yml --ignore-not-found
+    kubectl delete -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/keycloakrealmimports.k8s.keycloak.org-v1.yml --ignore-not-found
+    kubectl delete -f https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${KEYCLOAK_OPERATOR_VERSION}/kubernetes/keycloaks.k8s.keycloak.org-v1.yml --ignore-not-found
+
 # Create Keycloak realm
 create-realm create-client-for-k8s='true' access_token_lifespan='3600' refresh_token_lifespan='14400' sso_session_idle_timeout='7200':
     #!/bin/bash

keycloak/keycloak-cr.gomplate.yaml

@@ -0,0 +1,96 @@
+apiVersion: k8s.keycloak.org/v2alpha1
+kind: Keycloak
+metadata:
+  name: keycloak
+  namespace: {{ .Env.KEYCLOAK_NAMESPACE }}
+spec:
+  instances: 1
+  image: quay.io/keycloak/keycloak:26.3.4
+  startOptimized: false
+
+  # Database configuration for external PostgreSQL
+  db:
+    vendor: postgres
+    host: postgres-cluster-rw.postgres
+    port: 5432
+    database: keycloak
+    usernameSecret:
+      name: database-config
+      key: user
+    passwordSecret:
+      name: database-config
+      key: password
+
+  # Hostname configuration
+  hostname:
+    hostname: {{ .Env.KEYCLOAK_HOST }}
+    strict: false
+    strictBackchannel: false
+
+  # HTTP configuration
+  http:
+    httpEnabled: true
+    httpPort: 8080
+    httpsPort: 8443
+
+  # Proxy configuration for edge proxy
+  proxy:
+    headers: xforwarded
+
+  # Additional options and admin configuration
+  additionalOptions:
+    - name: http-enabled
+      value: "true"
+    - name: hostname-strict
+      value: "false"
+    - name: hostname-strict-https
+      value: "false"
+    - name: proxy
+      value: edge
+
+  # Bootstrap admin configuration
+  bootstrapAdmin:
+    user:
+      secret: keycloak-bootstrap-admin
+
+  # Resources
+  resources:
+    requests:
+      memory: "1.5Gi"
+      cpu: "500m"
+    limits:
+      memory: "2Gi"
+      cpu: "1000m"
+
+  # Ingress configuration (disabled - using separate Ingress resource)
+  ingress:
+    enabled: false
+
+---
+# Separate Ingress resource for custom configuration
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: keycloak-ingress
+  namespace: {{ .Env.KEYCLOAK_NAMESPACE }}
+  annotations:
+    kubernetes.io/ingress.class: traefik
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - {{ .Env.KEYCLOAK_HOST }}
+      secretName: keycloak-tls
+  rules:
+    - host: {{ .Env.KEYCLOAK_HOST }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: keycloak-service
+                port:
+                  number: 8080
+

keycloak/keycloak-values.gomplate.yaml

@@ -1,57 +0,0 @@
-global:
-  security:
-    allowInsecureImages: true
-
-production: true
-
-# Enable HTTP for health checks in production mode
-extraEnvVars:
-  - name: KC_HTTP_ENABLED
-    value: "true"
-
-auth:
-  adminUser: {{ .Env.KEYCLOAK_ADMIN_USER }}
-  existingSecret: keycloak-credentials
-  passwordSecretKey: password
-
-postgresql:
-  enabled: false
-
-externalDatabase:
-  host: postgres-cluster-rw.postgres
-  port: 5432
-  database: keycloak
-  existingSecret: database-config
-  existingSecretUserKey: user
-  existingSecretPasswordKey: password
-
-tls:
-  enabled: true
-  autoGenerated:
-    enabled: true
-    engine: helm
-
-# Keycloak pod may not start with the default memory limits
-resources:
-  limits:
-    memory: 2Gi
-  requests:
-    memory: 1.5Gi
-
-image:
-  registry: docker.io
-  repository: bitnamilegacy/keycloak
-  # tag: 26.0.5-debian-12-r0
-  # debug: true
-
-# logging:
-#   level: DEBUG
-
-ingress:
-  enabled: true
-  ingressClassName: traefik
-  hostname: {{ .Env.KEYCLOAK_HOST }}
-  annotations:
-    kubernetes.io/ingress.class: traefik
-    traefik.ingress.kubernetes.io/router.entrypoints: websecure
-  tls: true