feat(executors): add support for preparing Google Cloud workflow file

libs/executors/garf/executors/entrypoints/cli.py

@@ -25,10 +25,11 @@
 import sys
 
 import garf.executors
-from garf.executors import config, exceptions, setup, workflow, workflow_runner
+from garf.executors import config, exceptions, setup
 from garf.executors.entrypoints import utils
 from garf.executors.entrypoints.tracer import initialize_tracer
 from garf.executors.telemetry import tracer
+from garf.executors.workflows import workflow, workflow_runner
 from garf.io import reader
 from opentelemetry import trace
 

libs/executors/garf/executors/entrypoints/server.py

@@ -21,9 +21,10 @@
 import pydantic
 import typer
 import uvicorn
-from garf.executors import exceptions, setup, workflow_runner
+from garf.executors import exceptions, setup
 from garf.executors.entrypoints import utils
 from garf.executors.entrypoints.tracer import initialize_tracer
+from garf.executors.workflows import workflow_runner
 from garf.io import reader
 from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
 from pydantic_settings import BaseSettings, SettingsConfigDict

libs/executors/garf/executors/workflows/gcp_workflow.yaml

@@ -0,0 +1,49 @@
+run:
+  for:
+    value: pair
+    in: ${pairs}
+    steps:
+      - log_source:
+          call: sys.log
+          args:
+            data: ${pair.alias}
+      - execute_queries:
+          parallel:
+            for:
+              value: query
+              in: ${pair.queries}
+              steps:
+                - log_query:
+                    call: sys.log
+                    args:
+                      data: ${pair}
+                - execute_single_query:
+                    try:
+                      call: http.post
+                      args:
+                        url: ${sys.get_env("GARF_ENDPOINT") + "/api/execute"}
+                        auth:
+                          type: OIDC
+                        body:
+                          source: ${pair.fetcher}
+                          # query_path: ${query.path}
+                          title: ${query.query.title}
+                          query: ${query.query.text}
+                          context:
+                            fetcher_parameters: ${pair.fetcher_parameters}
+                            writer: ${pair.writer}
+                            writer_parameters: ${pair.writer_parameters}
+                            query_parameters:
+                              macro: ${pair.query_parameters.macro}
+                              template: ${pair.query_parameters.template}
+                      result: task_resp
+                    except:
+                      as: e
+                      assign:
+                        - task_resp:
+                            status: "failed"
+                            error: ${e.message}
+                - log_result:
+                    call: sys.log
+                    args:
+                      data: ${task_resp}

libs/executors/garf/executors/workflow_runner.py → libs/executors/garf/executors/workflows/workflow_runner.py

@@ -20,15 +20,18 @@
 import re
 from typing import Final
 
-from garf.executors import exceptions, setup, workflow
+import yaml
+from garf.executors import exceptions, setup
 from garf.executors.telemetry import tracer
+from garf.executors.workflows import workflow
 from garf.io import reader
 
 logger = logging.getLogger(__name__)
 
 _REMOTE_FILES_PATTERN: Final[str] = (
   '^(http|gs|s3|aruze|hdfs|webhdfs|ssh|scp|sftp)'
 )
+_SCRIPT_PATH = pathlib.Path(__file__).parent
 
 
 class WorkflowRunner:
@@ -112,3 +115,27 @@ def run(
         )
         execution_results.append(step_name)
     return execution_results
+
+  def compile(self, path: str | pathlib.Path) -> str:
+    """Saves workflow with expanded anchors."""
+    return self.workflow.save(path)
+
+  def deploy(self, path: str | pathlib.Path) -> str:
+    """Prepares workflow for deployment to Google Cloud Workflows."""
+    wf = self.workflow.model_dump(exclude_none=True).get('steps')
+    with open(_SCRIPT_PATH / 'gcp_workflow.yaml', 'r', encoding='utf-8') as f:
+      cloud_workflow_run_template = yaml.safe_load(f)
+    init = {
+      'init': {
+        'assign': [{'pairs': wf}],
+      },
+    }
+    cloud_workflow = {
+      'main': {
+        'params': [],
+        'steps': [init, cloud_workflow_run_template],
+      },
+    }
+    with open(path, 'w', encoding='utf-8') as f:
+      yaml.dump(cloud_workflow, f, sort_keys=False)
+    return f'Workflow is saved to {path}'

libs/executors/tests/end-to-end/test_workflow.yaml

@@ -1,3 +1,13 @@
+writer_section: &writer_defaults
+  writer: console
+  writer_parameters:
+    format: json
+common_context: &empty_context
+  context:
+    query_parameters:
+      macro: {}
+      template: {}
+
 steps:
   - alias: test
     fetcher: fake
@@ -11,9 +21,7 @@ steps:
               dimensions.name AS name,
               metrics.clicks AS clicks
             FROM resource
-    writer: console
-    writer_parameters:
-      format: json
+    <<: [*empty_context, *writer_defaults]
     fetcher_parameters:
       data:
         - resource: Campaign A

libs/executors/tests/unit/test_workflow.py → libs/executors/tests/unit/workflows/test_workflow.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import yaml
-from garf.executors.workflow import Workflow
+from garf.executors.workflows.workflow import Workflow
 
 
 class TestWorkflow:

libs/executors/tests/unit/workflows/test_workflow.yaml

@@ -0,0 +1,53 @@
+writer_section: &writer_defaults
+  writer: console
+  writer_parameters:
+    format: json
+common_context: &empty_context
+  context:
+    query_parameters:
+      macro: {}
+      template: {}
+
+steps:
+  - alias: test
+    fetcher: fake
+    queries:
+      - query:
+          title: test_query
+          text:  |
+            SELECT
+              resource,
+              dimensions.name AS name,
+              metrics.clicks AS clicks
+            FROM resource
+    <<: [*empty_context, *writer_defaults]
+    fetcher_parameters:
+      data:
+        - resource: Campaign A
+          dimensions:
+            name: Ad Group 1
+            id: 101
+          metrics:
+            clicks: 1500
+            cost: 250.75
+        - resource: Campaign B
+          dimensions:
+            name: Ad Group 2
+            id: 102
+          metrics:
+            clicks: 2300
+            cost: 410.20
+        - resource: Campaign C
+          dimensions:
+            name: Ad Group 3
+            id: 103
+          metrics:
+            clicks: 800
+            cost: 120.50
+        - resource: Campaign A
+          dimensions:
+            name: Ad Group 4
+            id: 104
+          metrics:
+            clicks: 3200
+            cost: 600.00

libs/executors/tests/unit/test_workflow_runner.py → libs/executors/tests/unit/workflows/test_workflow_runner.py

@@ -13,15 +13,27 @@
 # limitations under the License.
 import pathlib
 
-from garf.executors import workflow_runner
+from garf.executors.workflows import workflow_runner
 
 _SCRIPT_PATH = pathlib.Path(__file__).parent
 
+_TEST_WORKFLOW_PATH = _SCRIPT_PATH / 'test_workflow.yaml'
+
 
 class TestWorkflowRunner:
   def test_run_returns_executed_step_names(self):
-    runner = workflow_runner.WorkflowRunner.from_file(
-      _SCRIPT_PATH / '../end-to-end/test_workflow.yaml'
-    )
+    runner = workflow_runner.WorkflowRunner.from_file(_TEST_WORKFLOW_PATH)
     results = runner.run()
     assert results == ['1-fake-test']
+
+  def test_compile_saves_file(self, tmp_path):
+    tmp_workflow_path = tmp_path / 'workflow.yaml'
+    runner = workflow_runner.WorkflowRunner.from_file(_TEST_WORKFLOW_PATH)
+    result = runner.compile(tmp_workflow_path)
+    assert result == f'Workflow is saved to {tmp_workflow_path}'
+
+  def test_deploy_saves_file(self, tmp_path):
+    tmp_workflow_path = tmp_path / 'workflow.yaml'
+    runner = workflow_runner.WorkflowRunner.from_file(_TEST_WORKFLOW_PATH)
+    result = runner.deploy(tmp_workflow_path)
+    assert result == f'Workflow is saved to {tmp_workflow_path}'