feat: implement basic scaffold for avp implementation

avp-authorizer/templates/policies.yaml.tpl

@@ -0,0 +1,26 @@
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: {{ .service_slug }}-{{ .service_id }}-authz
+  namespace: {{ .k8s_namespace }}
+  labels:
+    app.kubernetes.io/name: {{ .service_slug }}
+    nullplatform.com/service-id: "{{ .service_id }}"
+    nullplatform.com/managed-by: endpoint-exposer
+spec:
+  selector:
+    matchLabels:
+      nullplatform: "true"
+  action: CUSTOM
+  provider:
+    name: {{ .provider_name }}
+  rules:
+  - to:
+    - operation:
+        hosts:
+          - {{ .domain }}
+        methods:
+{{ range .methods }}          - {{ . }}
+{{ end }}        paths:
+{{ range .paths }}          - {{ . }}
+{{ end }}

avp-authorizer/workflows/create.yaml

@@ -0,0 +1,9 @@
+steps:
+  - name: generate_cedars
+    type: script
+    file: "$OVERRIDES_PATH/scripts/generate_cedars"
+    before: apply
+  - name: generate_authorization_policy
+    type: script
+    file: "$OVERRIDES_PATH/scripts/generate_authorization_policy"
+    before: apply