[AUTHENTICATION] Restructured keycloak and Oauth2-proxy

Changed keycloak-init to "authentication"
and moved as root chart
Moved oauth2-proxy to onap-authentication and updated
to version 7.5.4
Use TCL proposal for REALM creation.
Update keycloak-config-cli version to 5.12.0.
Ingress AuthorizationPolicy creation for all defined accessRoles
in the configured realms

Issue-ID: OOM-3292
Issue-ID: OOM-3268

Change-Id: I0901cd416ca5da871931d7cf084cd35c55f804f1
Signed-off-by: Andreas Geissler <andreas-geissler@telekom.de>

1 files changed, 90 insertions, 0 deletions

diff --git a/kubernetes/authentication/templates/authorizationpolicy.yaml b/kubernetes/authentication/templates/authorizationpolicy.yaml
new file mode 100644
index 0000000000..f4857bdbac
--- /dev/null
+++ b/kubernetes/authentication/templates/authorizationpolicy.yaml
@@ -0,0 +1,90 @@
+{{/*
+# Copyright © 2024 Tata Communication Limited (TCL), Deutsche Telekom AG
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+{{- if .Values.ingressAuthentication.enabled }}
+---
+{{- $dot := . }}
+{{- range $index, $realm := .Values.realmSettings }}
+{{-   range $key, $accessRole := $realm.accessControl.accessRoles }}
+{{-     range $index, $role := get $realm.accessControl.accessRoles $key }}
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: {{ $key }}-{{ $role.name }}-jwt
+  namespace: istio-ingress
+spec:
+  action: ALLOW
+  rules:
+  - to:
+    - operation:
+        hosts:
+        - {{ include "ingress.config.host" (dict "dot" $dot "baseaddr" $role.servicePrefix) }}
+        methods:
+        {{- range $role.methodsAllowed }}
+        - {{ . }}
+        {{- end }}
+    when:
+    - key: request.auth.claims[onap_roles]
+      values:
+      - {{ $role.name }}
+  selector:
+    matchLabels:
+      istio: ingress
+---
+{{-     end }}
+{{-   end }}
+{{- end }}
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: {{ .Release.Name }}-custom-action
+  namespace: istio-ingress
+spec:
+  action: CUSTOM
+  provider:
+    name: oauth2-proxy
+  rules:
+  - to:
+    - operation:
+        notHosts:
+          {{- if .Values.ingressAuthentication.exceptions }}
+          {{- range $index, $url := .Values.ingressAuthentication.exceptions }}
+          - {{ tpl $url $dot }}
+          {{- end }}
+          {{- end }}
+  selector:
+    matchLabels:
+      istio: ingress
+---
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: {{ .Release.Name }}-allowed-exceptions
+  namespace: istio-ingress
+spec:
+  action: ALLOW
+  rules:
+  - to:
+    - operation:
+        hosts:
+          {{- if .Values.ingressAuthentication.exceptions }}
+          {{- range $index, $url := .Values.ingressAuthentication.exceptions }}
+          - {{ tpl $url $dot }}
+          {{- end }}
+          {{- end }}
+  selector:
+    matchLabels:
+      istio: ingress
+{{- end }}
\ No newline at end of file