Adds event schema based in Event Structure document (#124)

data/kafka-event-schema.json

@@ -0,0 +1,79 @@
+{
+  "title": "Inventory Event Structure",
+  "description": "The event schema will be compatible with CloudEvents, a specification for describing event data in a common way. The following describes how the fabric will align with the CloudEvent schema.",
+  "type": "object",
+  "properties": {
+    "specversion": {
+      "description": "Specifies the version of the CloudEvents spec targeted.",
+      "type": "string",
+      "enum": [
+        "1.0"
+      ]
+    },
+    "type": {
+      "description": "We use a string comprised of redhat.inventory.(resources|resources_relationship).{resource_type}.(created|updated|deleted)",
+      "type": "string",
+      "pattern": "^redhat\\.inventory\\.(resources|resources_relationship)\\.[a-zA-Z0-9_-]+\\.(created|updated|deleted)$",
+      "examples": [
+        "redhat.inventory.resources.k8s_cluster.created",
+        "redhat.inventory.resources.k8s_cluster.updated",
+        "redhat.inventory.resources.k8s_cluster.deleted",
+        "redhat.inventory.resources_relationship.k8spolicy_ispropagatedto_k8scluster.created",
+        "redhat.inventory.resources_relationship.k8spolicy_ispropagatedto_k8scluster.updated",
+        "redhat.inventory.resources_relationship.k8spolicy_ispropagatedto_k8scluster.deleted"
+      ]
+    },
+    "source": {
+      "description": "Describes the source (or app) that generated the event.",
+      "type": "string",
+      "format": "uri",
+      "examples": [
+        "https://redhat.com"
+      ]
+    },
+    "id": {
+      "description": "Identifies the event. Unique for this source.",
+      "type": "string",
+      "format": "uuid",
+      "examples": [
+        "afebabe-cafe-babe-cafe-babecafebabe"
+      ]
+    },
+    "time": {
+      "description": "Last reported from inventory-api",
+      "type": "string",
+      "format": "date-time",
+      "examples": [
+        "2018-11-13T20:20:39+00:00"
+      ]
+    },
+    "datacontenttype": {
+      "description": "Content type of data value",
+      "type": "string",
+      "pattern": "^application\\/json$"
+    },
+    "data": {
+      "type": "object"
+    },
+
+    "subject": {
+      "description": "Represents the updated resource: (resource|resources-relation)/{resource_type}/{resource_id}",
+      "type": "string",
+      "pattern": "^\\/(resources|resources-relationships)\\/[a-zA-Z0-9\\_-]+\\/[a-zA-Z0-9\\-]+$",
+      "examples": [
+        "/resources/k8s_cluster/A234-1234-1234",
+        "/resources-relationships/k8spolicy_ispropagatedto_k8scluster/A234-1234-1234"
+      ]
+    }
+  },
+  "required": [
+    "specversion",
+    "type",
+    "source",
+    "id",
+    "time",
+    "datacontenttype",
+    "data",
+    "subject"
+  ]
+}