Allow top-level fields in node declaration

binaries/cli/src/attach.rs

@@ -23,7 +23,7 @@ pub fn attach_dataflow(
     // Generate path hashmap
     let mut node_path_lookup = HashMap::new();
 
-    let nodes = dataflow.resolve_aliases_and_set_defaults();
+    let nodes = dataflow.resolve_aliases_and_set_defaults()?;
 
     let working_dir = dataflow_path
         .canonicalize()

binaries/cli/src/build.rs

@@ -16,8 +16,13 @@ pub fn build(dataflow: &Path) -> eyre::Result<()> {
 
     let default_op_id = OperatorId::from(SINGLE_OPERATOR_DEFAULT_ID.to_string());
 
-    for node in &descriptor.nodes {
-        match &node.kind {
+    for node in descriptor.nodes {
+        match node.kind()? {
+            dora_core::descriptor::NodeKind::Standard(_) => {
+                run_build_command(node.build.as_deref(), working_dir).with_context(|| {
+                    format!("build command failed for standard node `{}`", node.id)
+                })?
+            }
             dora_core::descriptor::NodeKind::Runtime(runtime_node) => {
                 for operator in &runtime_node.operators {
                     run_build_command(operator.config.build.as_deref(), working_dir).with_context(

binaries/coordinator/src/run/mod.rs

@@ -26,7 +26,7 @@ pub(super) async fn spawn_dataflow(
 ) -> eyre::Result<SpawnedDataflow> {
     dataflow.check(&working_dir)?;
 
-    let nodes = dataflow.resolve_aliases_and_set_defaults();
+    let nodes = dataflow.resolve_aliases_and_set_defaults()?;
     let uuid = Uuid::new_v7(Timestamp::now(NoContext));
 
     let machines: BTreeSet<_> = nodes.iter().map(|n| n.deploy.machine.clone()).collect();

binaries/daemon/src/lib.rs

@@ -132,7 +132,7 @@ impl Daemon {
 
         let descriptor = Descriptor::read(dataflow_path).await?;
         descriptor.check(&working_dir)?;
-        let nodes = descriptor.resolve_aliases_and_set_defaults();
+        let nodes = descriptor.resolve_aliases_and_set_defaults()?;
 
         let spawn_command = SpawnDataflowNodes {
             dataflow_id: Uuid::new_v7(Timestamp::now(NoContext)),

binaries/daemon/src/spawn.rs

@@ -131,7 +131,13 @@ pub async fn spawn_node(
             );
             // Injecting the env variable defined in the `yaml` into
             // the node runtime.
+            if let Some(envs) = node.env {
+                for (key, value) in envs {
+                    command.env(key, value.to_string());
+                }
+            }
             if let Some(envs) = n.envs {
+                // node has some inner env variables -> add them too
                 for (key, value) in envs {
                     command.env(key, value.to_string());
                 }

examples/rust-dataflow/dataflow.yml

@@ -1,31 +1,28 @@
 nodes:
   - id: rust-node
+    build: cargo build -p rust-dataflow-example-node
+    path: ../../target/debug/rust-dataflow-example-node
+    inputs:
+      tick: dora/timer/millis/10
+    outputs:
+      - random
+  - id: rust-status-node
     custom:
-      build: cargo build -p rust-dataflow-example-node
-      source: ../../target/debug/rust-dataflow-example-node
+      build: cargo build -p rust-dataflow-example-status-node
+      source: ../../target/debug/rust-dataflow-example-status-node
       inputs:
-        tick: dora/timer/millis/10
+        tick: dora/timer/millis/100
+        random: rust-node/random
       outputs:
-        - random
-  - id: rust-status-node
-    custom:
-        build: cargo build -p rust-dataflow-example-status-node
-        source: ../../target/debug/rust-dataflow-example-status-node
-        inputs:
-          tick: dora/timer/millis/100
-          random: rust-node/random
-        outputs:
-          - status
+        - status
   - id: rust-sink
-    custom:
-      build: cargo build -p rust-dataflow-example-sink
-      source: ../../target/debug/rust-dataflow-example-sink
-      inputs:
-        message: rust-status-node/status
+    build: cargo build -p rust-dataflow-example-sink
+    path: ../../target/debug/rust-dataflow-example-sink
+    inputs:
+      message: rust-status-node/status
   - id: dora-record
-    custom:
-      build: cargo build -p dora-record
-      source: ../../target/debug/dora-record
-      inputs:
-        message: rust-status-node/status
-        random: rust-node/random
+    build: cargo build -p dora-record
+    path: ../../target/debug/dora-record
+    inputs:
+      message: rust-status-node/status
+      random: rust-node/random

libraries/core/dora-schema.json

@@ -36,7 +36,7 @@
           ]
         },
         "envs": {
-          "description": "Environment variables for the custom nodes",
+          "description": "Environment variables for the custom nodes\n\nDeprecated, use outer-level `env` field instead.",
           "type": [
             "object",
             "null"
@@ -46,13 +46,13 @@
           }
         },
         "inputs": {
-          "description": "Inputs for the nodes as a map from input ID to `<node_id>/<output_id>`.\n\ne.g.\n\ninputs:\n\nexample_input: example_node/example_output1",
+          "description": "Inputs for the nodes as a map from input ID to `node_id/output_id`.\n\ne.g.\n\ninputs:\n\nexample_input: example_node/example_output1",
           "default": {},
           "type": "object",
           "additionalProperties": true
         },
         "outputs": {
-          "description": "Outputs as a list of outputs.\n\ne.g.\n\noutputs:\n\n- output_1\n\n- output_2",
+          "description": "List of output IDs.\n\ne.g.\n\noutputs:\n\n- output_1\n\n- output_2",
           "default": [],
           "type": "array",
           "items": {
@@ -169,52 +169,32 @@
     "Node": {
       "description": "Dora Node",
       "type": "object",
-      "oneOf": [
-        {
-          "description": "Dora runtime node",
-          "type": "object",
-          "required": [
-            "operators"
-          ],
-          "properties": {
-            "operators": {
-              "type": "array",
-              "items": {
-                "$ref": "#/definitions/OperatorDefinition"
-              }
-            }
-          },
-          "additionalProperties": true
-        },
-        {
-          "type": "object",
-          "required": [
-            "custom"
-          ],
-          "properties": {
-            "custom": {
-              "$ref": "#/definitions/CustomNode"
-            }
-          },
-          "additionalProperties": true
-        },
-        {
-          "type": "object",
-          "required": [
-            "operator"
-          ],
-          "properties": {
-            "operator": {
-              "$ref": "#/definitions/SingleOperatorDefinition"
-            }
-          },
-          "additionalProperties": true
-        }
-      ],
       "required": [
         "id"
       ],
       "properties": {
+        "args": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "build": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "custom": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/CustomNode"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "description": {
           "description": "Description of the node",
           "type": [
@@ -240,14 +220,59 @@
             }
           ]
         },
+        "inputs": {
+          "default": {},
+          "type": "object",
+          "additionalProperties": true
+        },
         "name": {
           "description": "Node name",
           "type": [
             "string",
             "null"
           ]
+        },
+        "operator": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/SingleOperatorDefinition"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "operators": {
+          "type": [
+            "array",
+            "null"
+          ],
+          "items": {
+            "$ref": "#/definitions/OperatorDefinition"
+          }
+        },
+        "outputs": {
+          "default": [],
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/DataId"
+          },
+          "uniqueItems": true
+        },
+        "path": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "send_stdout_as": {
+          "type": [
+            "string",
+            "null"
+          ]
         }
-      }
+      },
+      "additionalProperties": true
     },
     "NodeId": {
       "type": "string"