update to top-level workflow properties in schema (#255)

Signed-off-by: Tihomir Surdilovic <[email protected]>

Author: Tihomir Surdilovic

schema/events.json

@@ -4,13 +4,22 @@
   "description": "Serverless Workflow specification - events schema",
   "type": "object",
   "events": {
-    "type": "array",
-    "description": "Workflow CloudEvent definitions. Defines CloudEvents that can be consumed or produced",
-    "items": {
-      "type": "object",
-      "$ref": "#/definitions/eventdef"
-    },
-    "minItems": 1
+    "oneOf": [
+      {
+        "type": "string",
+        "format": "uri",
+        "description": "URI to a resource containing event definitions (json or yaml)"
+      },
+      {
+        "type": "array",
+        "description": "Workflow CloudEvent definitions. Defines CloudEvents that can be consumed or produced",
+        "items": {
+          "type": "object",
+          "$ref": "#/definitions/eventdef"
+        },
+        "minItems": 1
+      }
+    ]
   },
   "required": [
     "events"

schema/functions.json

@@ -4,13 +4,22 @@
   "description": "Serverless Workflow specification - functions schema",
   "type": "object",
   "functions": {
-    "type": "array",
-    "description": "Workflow function definitions",
-    "items": {
-      "type": "object",
-      "$ref": "#/definitions/function"
-    },
-    "minItems": 1
+    "oneOf": [
+      {
+        "type": "string",
+        "format": "uri",
+        "description": "URI to a resource containing function definitions (json or yaml)"
+      },
+      {
+        "type": "array",
+        "description": "Workflow function definitions",
+        "items": {
+          "type": "object",
+          "$ref": "#/definitions/function"
+        },
+        "minItems": 1
+      }
+    ]
   },
   "required": [
     "functions"

schema/retries.json

@@ -4,13 +4,22 @@
   "description": "Serverless Workflow specification - retries schema",
   "type": "object",
   "retries": {
-    "type": "array",
-    "description": "Workflow Retry definitions. Define retry strategies that can be referenced in states onError definitions",
-    "items": {
-      "type": "object",
-      "$ref": "#/definitions/retrydef"
-    },
-    "minItems": 1
+    "oneOf": [
+      {
+        "type": "string",
+        "format": "uri",
+        "description": "URI to a resource containing retry definitions (json or yaml)"
+      },
+      {
+        "type": "array",
+        "description": "Workflow Retry definitions. Define retry strategies that can be referenced in states onError definitions",
+        "items": {
+          "type": "object",
+          "$ref": "#/definitions/retrydef"
+        },
+        "minItems": 1
+      }
+    ]
   },
   "required": [
     "retries"
@@ -37,20 +46,29 @@
           "description": "Static value by which the delay increases during each attempt (ISO 8601 time format)"
         },
         "multiplier": {
-          "type": ["number", "string"],
+          "type": [
+            "number",
+            "string"
+          ],
           "minimum": 0,
           "minLength": 1,
           "multipleOf": 0.01,
           "description": "Numeric value, if specified the delay between retries is multiplied by this value."
         },
         "maxAttempts": {
-          "type": ["number","string"],
+          "type": [
+            "number",
+            "string"
+          ],
           "minimum": 1,
           "minLength": 0,
           "description": "Maximum number of retry attempts."
         },
         "jitter": {
-          "type": ["number","string"],
+          "type": [
+            "number",
+            "string"
+          ],
           "minimum": 0,
           "maximum": 1,
           "description": "If float type, maximum amount of random time added or subtracted from the delay between each retry relative to total delay (between 0 and 1). If string type, absolute maximum amount of random time added or subtracted from the delay between each retry (ISO 8601 duration format)"