feat(component): Add common component oidc-authservice

kustomize/common/oidc-authservice/base/configmap.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: oidc-authservice-parameters
+  namespace: istio-system
+data:
+  client_secret: 'XXXXXX'
+  client_id: XXXXXX
+  namespace: istio-system
+  oidc_auth_url: https://login.microsoftonline.com/XXXXXX/oauth2/v2.0/authorize
+  oidc_provider: https://login.microsoftonline.com/XXXXXX/v2.0
+  redirect_url: https://kubeflow.example.ca/login/oidc
+  skip_auth_uri: ""
+  userid_header: kubeflow-userid
+  userid_prefix: ""
+  userid_claim: preferred_username
+  oidc_scopes: profile email
+  port: "8080"
+  store_path: /var/lib/authservice/data.db

kustomize/common/oidc-authservice/base/envoy-filter.yaml

@@ -0,0 +1,42 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: EnvoyFilter
+metadata:
+  name: authn-filter
+spec:
+  workloadSelector:
+    labels:
+      istio: ingressgateway-kubeflow
+  configPatches:
+    - applyTo: HTTP_FILTER
+      match:
+        context: GATEWAY
+        listener:
+          filterChain:
+            filter:
+              name: "envoy.http_connection_manager"
+              #subFilter: # not required.
+              #  name: ""
+      patch:
+        # For some reason, INSERT_FIRST doesn't work
+        operation: INSERT_BEFORE
+        value:
+          # See: https://www.envoyproxy.io/docs/envoy/v1.17.0/configuration/http/http_filters/ext_authz_filter#config-http-filters-ext-authz
+          name: "envoy.filters.http.ext_authz"
+          typed_config:
+            '@type': type.googleapis.com/envoy.extensions.filters.http.ext_authz.v3.ExtAuthz
+            http_service:
+              server_uri:
+                uri: http://$(AUTHSERVICE_SERVICE).$(AUTHSERVICE_NAMESPACE).svc.cluster.local
+                cluster: outbound|8080||$(AUTHSERVICE_SERVICE).$(AUTHSERVICE_NAMESPACE).svc.cluster.local
+                timeout: 10s
+              authorization_request:
+                allowed_headers:
+                  patterns:
+                    # XXX: MUST be lowercase!
+                    - exact: "authorization"
+                    - exact: "cookie"
+                    - exact: "x-auth-token"
+              authorization_response:
+                allowed_upstream_headers:
+                  patterns:
+                    - exact: "kubeflow-userid"

kustomize/common/oidc-authservice/base/kustomization.yaml

@@ -3,3 +3,8 @@ kind: Kustomization
 
 resources:
 - github.com/kubeflow/manifests/common/oidc-authservice/base?ref=v1.3.1
+
+patchesStrategicMerge:
+- configmap.yaml
+- envoy-filter.yaml
+- statefulset.yaml

kustomize/common/oidc-authservice/base/statefulset.yaml

@@ -0,0 +1,43 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: authservice
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: authservice
+  serviceName: authservice
+  template:
+    metadata:
+      annotations:
+        sidecar.istio.io/inject: "false"
+      labels:
+        app: authservice
+    spec:
+      containers:
+      - name: authservice
+        image: k8scc01covidacr.azurecr.io/oidc-authservice:latest
+        imagePullPolicy: Always
+        ports:
+        - name: http-api
+          containerPort: 8080
+        envFrom:
+          - configMapRef:
+              name: oidc-authservice-parameters
+        volumeMounts:
+          - name: data
+            mountPath: /var/lib/authservice
+        readinessProbe:
+            httpGet:
+              path: /
+              port: 8081
+      securityContext:
+        fsGroup: 111
+      imagePullSecrets:
+        - name: k8scc01covidacr-registry-connection
+      # this secret must exist in our deployment.
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+              claimName: authservice-pvc