feat(kumacp): mesh access log - proto + validation

docs/madr/decisions/008-mesh-logging.md

@@ -187,6 +187,8 @@ spec:
   name: file
   type: file
   conf:
+    format:
+      plain: '{"start_time": "%START_TIME%"}'
     path: /tmp/access.log
 ---
 type: MeshAccessLog
@@ -196,19 +198,19 @@ spec:
   targetRef:
     kind: MeshService
     name: web-backend
-    tags:
-      kuma.io/zone: us-east
   from:
     - targetRef:
         kind: MeshService
         name: web-frontend
       default:
         backends:
-          - type: tcp
-            conf:
+          - tcp:
+              format:
+                json:
+                  - key: "start_time"
+                    value: "%START_TIME%"
               address: 127.0.0.1:5000
-          - type: reference
-            conf: 
+          - reference:
               kind: MeshAccessLogBackend
               name: file-backend
 ```
@@ -411,8 +413,7 @@ New definition will look like this:
 backends:
   - name: logstash
     format:
-      type: string
-      value: '{"start_time": "%START_TIME%"}'
+      plain: '{"start_time": "%START_TIME%"}'
 ```
 
 And the new format type could be specified by a `type` parameter with a value of `json`:
@@ -421,8 +422,7 @@ And the new format type could be specified by a `type` parameter with a value of
 backends:
   - name: logstash
     format:
-      type: json
-      value:
+      json:
         - key: "start_time"
           value: "%START_TIME%"
 ```
@@ -565,17 +565,15 @@ name: logstash-backend
 mesh: default
 spec:
   name: logstash
-  type: tcp
-  conf:
+  tcp:
     address: 127.0.0.1:5000
 ---
 type: MeshAccessLogBackend
 name: file-backend
 mesh: default
 spec:
   name: file
-  type: file
-  conf:
+  file:
     path: /tmp/access.log
 ---
 type: MeshAccessLog
@@ -591,8 +589,7 @@ spec:
         name: default
       default:
         backends:
-          - type: reference
-            conf:
+          - reference:
               kind: MeshAccessLogBackend
               name: logstash-backend
   to:
@@ -601,8 +598,7 @@ spec:
         name: default
       default:
         backends:
-          - type: reference
-            conf:
+          - reference:
               kind: MeshAccessLogBackend
               name: logstash-backend
 ---
@@ -619,8 +615,7 @@ spec:
         name: web-backend
       default:
         backends:
-          - type: reference
-            conf:
+          - reference:
               kind: MeshAccessLogBackend
               name: file-backend
 ```
@@ -652,8 +647,7 @@ spec:
         kind: Mesh
       default:
         backends:
-          - type: tcp
-            conf:
+          - tcp:
               address: 127.0.0.1:5000
 ```
 
@@ -670,17 +664,15 @@ name: logstash-backend
 mesh: default
 spec:
   name: logstash-zone-a
-  type: tcp
-  conf:
+  tcp:
     address: 127.0.0.1:5000
 ---
 type: MeshAccessLogBackend
 name: file-backend
 mesh: default
 spec:
   name: logstash-zone-b
-  type: tcp
-  conf:
+  tcp:
     address: 127.0.0.2:5000
 ---
 type: MeshAccessLog
@@ -697,8 +689,7 @@ spec:
         name: default
       default:
         backends:
-          - type: reference
-            conf:
+          - reference:
               kind: MeshAccessLogBackend
               name: logstash-zone-a
 ---
@@ -716,8 +707,7 @@ spec:
         name: default
       default:
         backends:
-          - type: reference
-            conf:
+          - reference:
               kind: MeshAccessLogBackend
               name: logstash-zone-b
 ```

mk/generate.mk

@@ -33,7 +33,7 @@ protoc/plugins:
 
 POLICIES_DIR := pkg/plugins/policies
 
-policies = $(foreach dir,$(shell find pkg/plugins/policies -maxdepth 1 -mindepth 1 -type d | grep -v core | grep -v matchers),$(notdir $(dir)))
+policies = $(foreach dir,$(shell find pkg/plugins/policies -maxdepth 1 -mindepth 1 -type d | grep -v core | grep -v matchers | sort),$(notdir $(dir)))
 generate_policy_targets = $(addprefix generate/policy/,$(policies))
 cleanup_policy_targets = $(addprefix cleanup/policy/,$(policies))