refactor: 폴더 구조 변경

gitops/platform/forward-auth/base/deployment.yaml

@@ -0,0 +1,115 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: oauth2-proxy
+spec:
+  replicas: 1
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 600
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 0
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: oauth2-proxy
+      app.kubernetes.io/instance: oauth2-proxy
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: oauth2-proxy
+        app.kubernetes.io/instance: oauth2-proxy
+    spec:
+      serviceAccountName: oauth2-proxy-sa
+      automountServiceAccountToken: false
+      terminationGracePeriodSeconds: 30
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app.kubernetes.io/name: oauth2-proxy
+              app.kubernetes.io/instance: oauth2-proxy
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 65532
+        runAsGroup: 65532
+        fsGroup: 65532
+        fsGroupChangePolicy: OnRootMismatch
+        seccompProfile:
+          type: RuntimeDefault
+      containers:
+        - name: oauth2-proxy
+          image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.2
+          imagePullPolicy: IfNotPresent
+          args:
+            - --config=/etc/oauth2-proxy/oauth2-proxy.cfg
+          ports:
+            - name: http
+              containerPort: 4180
+              protocol: TCP
+            - name: metrics
+              containerPort: 44180
+              protocol: TCP
+          resources:
+            requests:
+              cpu: 100m
+              memory: 128Mi
+            limits:
+              memory: 256Mi
+          startupProbe:
+            httpGet:
+              path: /ping
+              port: http
+            periodSeconds: 5
+            failureThreshold: 12
+            timeoutSeconds: 3
+          readinessProbe:
+            httpGet:
+              path: /ready
+              port: http
+            periodSeconds: 10
+            failureThreshold: 3
+            timeoutSeconds: 3
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            periodSeconds: 15
+            failureThreshold: 3
+            timeoutSeconds: 3
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 65532
+            runAsGroup: 65532
+            allowPrivilegeEscalation: false
+            privileged: false
+            readOnlyRootFilesystem: true
+            capabilities:
+              drop:
+                - ALL
+            seccompProfile:
+              type: RuntimeDefault
+          volumeMounts:
+            - name: config
+              mountPath: /etc/oauth2-proxy
+              readOnly: true
+            - name: secrets
+              mountPath: /etc/oauth2-proxy-secrets
+              readOnly: true
+            - name: tmp
+              mountPath: /tmp
+      volumes:
+        - name: config
+          configMap:
+            name: oauth2-proxy-config
+        - name: secrets
+          secret:
+            secretName: oauth2-proxy-secrets
+            defaultMode: 0400
+        - name: tmp
+          emptyDir:
+            medium: Memory
+            sizeLimit: 64Mi

gitops/platform/forward-auth/base/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - serviceaccount.yaml
+  - service.yaml
+  - deployment.yaml
+
+labels:
+  - pairs:
+      app.kubernetes.io/name: oauth2-proxy
+      app.kubernetes.io/instance: oauth2-proxy
+      app.kubernetes.io/version: "7.15.2"
+      app.kubernetes.io/component: auth-proxy
+      app.kubernetes.io/part-of: auth-platform
+      app.kubernetes.io/managed-by: kustomize
+    includeSelectors: false
+    includeTemplates: true

gitops/platform/forward-auth/base/service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: oauth2-proxy
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+  ports:
+    - name: http
+      port: 4180
+      targetPort: http
+      protocol: TCP
+      appProtocol: http
+    - name: metrics
+      port: 44180
+      targetPort: metrics
+      protocol: TCP
+      appProtocol: http

gitops/platform/forward-auth/base/serviceaccount.yaml

@@ -0,0 +1,5 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: oauth2-proxy-sa
+automountServiceAccountToken: false

gitops/platform/forward-auth/component/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+
+resources:
+  - ../base
+  - oauth2-proxy-config.yaml
+  - oauth2-proxy-ingress.yaml
+  - oauth2-proxy-middleware.yaml
+  - oauth2-proxy-networkpolicy.yaml
+
+patches:
+  - target:
+      kind: Ingress
+      name: auth-server
+    patch: |-
+      - op: replace
+        path: /metadata/annotations/traefik.ingress.kubernetes.io~1router.middlewares
+        value: mnt-oauth2-proxy-errors@kubernetescrd,mnt-oauth2-proxy-auth@kubernetescrd,kube-system-security-headers@kubernetescrd

gitops/platform/forward-auth/component/oauth2-proxy-config.yaml

@@ -0,0 +1,46 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: oauth2-proxy-config
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/version: "7.15.2"
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+data:
+  oauth2-proxy.cfg: |
+    provider = "keycloak-oidc"
+    http_address = "0.0.0.0:4180"
+    metrics_address = "0.0.0.0:44180"
+    redirect_url = "http://auth.local.test/oauth2/callback"
+
+    oidc_issuer_url = "http://keycloak.local.test/realms/platform"
+    skip_oidc_discovery = true
+    login_url = "http://keycloak.local.test/realms/platform/protocol/openid-connect/auth"
+    redeem_url = "http://keycloak.mnt.svc.cluster.local/realms/platform/protocol/openid-connect/token"
+    profile_url = "http://keycloak.mnt.svc.cluster.local/realms/platform/protocol/openid-connect/userinfo"
+    validate_url = "http://keycloak.mnt.svc.cluster.local/realms/platform/protocol/openid-connect/userinfo"
+    oidc_jwks_url = "http://keycloak.mnt.svc.cluster.local/realms/platform/protocol/openid-connect/certs"
+
+    client_id = "auth-server-ingress"
+    client_secret_file = "/etc/oauth2-proxy-secrets/client-secret"
+    cookie_secret_file = "/etc/oauth2-proxy-secrets/cookie-secret"
+    reverse_proxy = true
+    upstreams = [ "static://202" ]
+    email_domains = [ "*" ]
+    scope = "openid profile email"
+    insecure_oidc_allow_unverified_email = true
+    skip_provider_button = true
+    cookie_secure = false
+    cookie_samesite = "lax"
+    cookie_csrf_per_request = true
+    cookie_refresh = "4m"
+    set_xauthrequest = true
+    set_authorization_header = true
+    pass_access_token = true
+    pass_authorization_header = true
+    ssl_insecure_skip_verify = false
+    whitelist_domains = [ "auth.local.test" ]
+    trusted_proxy_ips = [ "10.42.0.0/16" ]

gitops/platform/forward-auth/component/oauth2-proxy-ingress.yaml

@@ -0,0 +1,27 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: oauth2-proxy
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/version: "7.15.2"
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+    traefik.ingress.kubernetes.io/router.middlewares: kube-system-security-headers@kubernetescrd
+spec:
+  ingressClassName: traefik
+  rules:
+    - host: auth.local.test
+      http:
+        paths:
+          - path: /oauth2/
+            pathType: Prefix
+            backend:
+              service:
+                name: oauth2-proxy
+                port:
+                  name: http

gitops/platform/forward-auth/component/oauth2-proxy-middleware.yaml

@@ -0,0 +1,45 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: oauth2-proxy-auth
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/version: "7.15.2"
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+spec:
+  forwardAuth:
+    address: http://oauth2-proxy.mnt.svc.cluster.local:4180/oauth2/auth
+    trustForwardHeader: true
+    authResponseHeaders:
+      - Authorization
+      - X-Auth-Request-Access-Token
+      - X-Auth-Request-Email
+      - X-Auth-Request-Preferred-Username
+      - X-Auth-Request-User
+      - X-Forwarded-Email
+      - X-Forwarded-User
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: oauth2-proxy-errors
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/version: "7.15.2"
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+spec:
+  errors:
+    status:
+      - "401"
+    statusRewrites:
+      "401": 302
+    service:
+      name: oauth2-proxy
+      port: 4180
+    query: /oauth2/start?rd={url}

gitops/platform/forward-auth/component/oauth2-proxy-networkpolicy.yaml

@@ -0,0 +1,55 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: oauth2-proxy-ingress-traefik
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: oauth2-proxy
+      app.kubernetes.io/instance: oauth2-proxy
+  policyTypes:
+    - Ingress
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: traefik
+      ports:
+        - protocol: TCP
+          port: 4180
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: oauth2-proxy-egress-keycloak
+  labels:
+    app.kubernetes.io/name: oauth2-proxy
+    app.kubernetes.io/instance: oauth2-proxy
+    app.kubernetes.io/component: auth-proxy
+    app.kubernetes.io/part-of: auth-platform
+    app.kubernetes.io/managed-by: kustomize
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: oauth2-proxy
+      app.kubernetes.io/instance: oauth2-proxy
+  policyTypes:
+    - Egress
+  egress:
+    - to:
+        - podSelector:
+            matchLabels:
+              app.kubernetes.io/instance: keycloak
+              app.kubernetes.io/managed-by: keycloak-operator
+      ports:
+        - protocol: TCP
+          port: 8080

gitops/platform/forward-auth/overlays/lab/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: mnt
+
+components:
+  - ../../component