add json-schema spec for the workflow

Author: andrii-i

json-schema/workflow.schema.json

@@ -0,0 +1,107 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Workflow",
+  "type": "object",
+  "properties": {
+    "tasks": {
+      "type": "array",
+      "items": {
+        "$ref": "#/definitions/Task"
+      },
+      "description": "Worfklow tasks."
+    },
+    "name": {
+      "type": "string",
+      "description": "The name of the workflow."
+    },
+    "parameters": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "string"
+      },
+      "description": "Optional parameters for the workflow."
+    },
+    "schedule": {
+      "type": "string",
+      "description": "Optional schedule in cron format."
+    },
+    "timezone": {
+      "type": "string",
+      "description": "Timezone for the schedule."
+    }
+  },
+  "required": [
+    "tasks",
+    "name"
+  ],
+  "definitions": {
+    "Task": {
+      "type": "object",
+      "properties": {
+        "input_uri": {
+          "type": "string",
+          "description": "The URI of the input file."
+        },
+        "runtime_environment_name": {
+          "type": "string",
+          "description": "Name of the runtime environment."
+        },
+        "runtime_environment_parameters": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "description": "Parameters for the runtime environment."
+        },
+        "output_formats": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "parameters": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "description": "Task-specific parameters."
+        },
+        "tags": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "Tags for categorizing the job."
+        },
+        "name": {
+          "type": "string",
+          "description": "Name of the job."
+        },
+        "compute_type": {
+          "type": "string",
+          "description": "Type of compute resource to use."
+        },
+        "package_input_folder": {
+          "type": "boolean",
+          "description": "Whether to package the input folder."
+        },
+        "depends_on": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "DAG node IDs of tasks this task depends on."
+        },
+        "node_id": {
+          "type": "string",
+          "description": "DAG node ID of this task."
+        }
+      },
+      "required": [
+        "input_uri",
+        "name",
+        "node_id"
+      ]
+    }
+  }
+}