Adds neptune plugin for experiment tracking

.github/workflows/pythonbuild.yml

@@ -342,6 +342,7 @@ jobs:
           - flytekit-mlflow
           - flytekit-mmcloud
           - flytekit-modin
+          - flytekit-neptune
           - flytekit-onnx-pytorch
           - flytekit-onnx-scikitlearn
           # onnx-tensorflow needs a version of tensorflow that does not work with protobuf>4.

plugins/flytekit-neptune/README.md

@@ -0,0 +1,36 @@
+# Flytekit Neptune Plugin
+
+Neptune is the MLOps stack component for experiment tracking. It offers a single place to log, compare, store, and collaborate on experiments and models. This plugin integrates Flyte with Neptune by configuring links between the two platforms.
+
+To install the plugin, run:
+
+```bash
+pip install flytekitplugins-neptune
+```
+
+Neptune requires an API key to authenticate with their platform. This Flyte plugin requires a `flytekit` `Secret` to be configured using [Flyte's Secrets manager](https://docs.flyte.org/en/latest/user_guide/productionizing/secrets.html).
+
+```python
+from flytekit import Secret, current_context
+
+neptune_api_token = Secret(key="neptune_api_token", group="neptune_group")
+
+@task
+@neptune_init_run(project="flytekit/project", secret=neptune_api_token)
+def neptune_task() -> bool:
+    ctx = current_context()
+    run = ctx.neptune_run
+    run["algorithm"] = "my_algorithm"
+    ...
+```
+
+To enable linking from the Flyte side panel to Neptune, add the following to Flyte's configuration:
+
+```yaml
+plugins:
+  logs:
+    dynamic-log-links:
+      - neptune-run-id:
+          displayName: Neptune
+          templateUris: "{{ .taskConfig.host }}/{{ .taskConfig.project }}?query=(%60flyte%2Fexecution_id%60%3Astring%20%3D%20%22{{ .executionName }}-{{ .nodeId }}-{{ .taskRetryAttempt }}%22)&lbViewUnpacked=true"
+```

plugins/flytekit-neptune/flytekitplugins/neptune/__init__.py

@@ -0,0 +1,3 @@
+from .tracking import neptune_init_run
+
+__all__ = ["neptune_init_run"]

plugins/flytekit-neptune/flytekitplugins/neptune/tracking.py

@@ -0,0 +1,119 @@
+import os
+from functools import partial
+from typing import Callable, Union
+
+import neptune
+from flytekit import Secret
+from flytekit.core.context_manager import FlyteContext, FlyteContextManager
+from flytekit.core.utils import ClassDecorator
+
+NEPTUNE_RUN_VALUE = "neptune-run-id"
+
+
+def neptune_init_run(
+    project: str,
+    secret: Union[Secret, Callable],
+    host: str = "https://app.neptune.ai",
+    **init_run_kwargs: dict,
+):
+    """Neptune plugin.
+
+    Args:
+        project (str): Name of the project where the run should go, in the form `workspace-name/project_name`.
+            (Required)
+        secret (Secret or Callable): Secret with your `NEPTUNE_API_KEY` or a callable that returns the API key.
+            The callable takes no arguments and returns a string. (Required)
+        host (str): URL to Neptune. Defaults to "https://app.neptune.ai".
+        **init_run_kwargs (dict):
+    """
+    return partial(
+        _neptune_init_run_class,
+        project=project,
+        secret=secret,
+        host=host,
+        **init_run_kwargs,
+    )
+
+
+class _neptune_init_run_class(ClassDecorator):
+    NEPTUNE_HOST_KEY = "host"
+    NEPTUNE_PROJECT_KEY = "project"
+
+    def __init__(
+        self,
+        task_function: Callable,
+        project: str,
+        secret: Union[Secret, Callable],
+        host: str = "https://app.neptune.ai",
+        **init_run_kwargs: dict,
+    ):
+        """Neptune plugin. See `neptune_init_run` for documentation on the parameters.
+
+        `neptune_init_run` is the public interface to enforce that `project` and `secret`
+        must be passed in.
+        """
+        self.project = project
+        self.secret = secret
+        self.host = host
+        self.init_run_kwargs = init_run_kwargs
+
+        super().__init__(task_function, project=project, secret=secret, host=host, **init_run_kwargs)
+
+    def _is_local_execution(self, ctx: FlyteContext) -> bool:
+        return ctx.execution_state.is_local_execution()
+
+    def _get_secret(self, ctx: FlyteContext) -> str:
+        if isinstance(self.secret, Secret):
+            secrets = ctx.user_space_params.secrets
+            return secrets.get(key=self.secret.key, group=self.secret.group)
+        else:
+            # Callable
+            return self.secret()
+
+    def execute(self, *args, **kwargs):
+        ctx = FlyteContextManager.current_context()
+        is_local_execution = self._is_local_execution(ctx)
+
+        init_run_kwargs = {"project": self.project, **self.init_run_kwargs}
+
+        if not is_local_execution:
+            init_run_kwargs["api_token"] = self._get_secret(ctx)
+
+        run = neptune.init_run(**init_run_kwargs)
+
+        if not is_local_execution:
+            # The HOSTNAME is set to {.executionName}-{.nodeID}-{.taskRetryAttempt}
+            # If HOSTNAME is not defined, use the execution name as a fallback
+            hostname = os.environ.get("HOSTNAME", ctx.user_space_params.execution_id.name)
+            # Execution specific metadata
+            run["flyte/execution_id"] = hostname
+            run["flyte/project"] = ctx.user_space_params.execution_id.project
+            run["flyte/domain"] = ctx.user_space_params.execution_id.domain
+            run["flyte/name"] = ctx.user_space_params.execution_id.name
+            run["flyte/raw_output_prefix"] = ctx.user_space_params.raw_output_prefix
+            run["flyte/output_metadata_prefix"] = ctx.user_space_params.output_metadata_prefix
+            run["flyte/working_directory"] = ctx.user_space_params.working_directory
+
+            # Task specific metadata
+            run["flyte/task/name"] = ctx.user_space_params.task_id.name
+            run["flyte/task/project"] = ctx.user_space_params.task_id.project
+            run["flyte/task/domain"] = ctx.user_space_params.task_id.domain
+            run["flyte/task/version"] = ctx.user_space_params.task_id.version
+
+            if (execution_url := os.getenv("FLYTE_EXECUTION_URL")) is not None:
+                run["flyte/execution_url"] = execution_url
+
+        new_user_params = ctx.user_space_params.builder().add_attr("NEPTUNE_RUN", run).build()
+        with FlyteContextManager.with_context(
+            ctx.with_execution_state(ctx.execution_state.with_params(user_space_params=new_user_params))
+        ):
+            output = self.task_function(*args, **kwargs)
+            run.stop()
+            return output
+
+    def get_extra_config(self):
+        return {
+            self.NEPTUNE_HOST_KEY: self.host,
+            self.NEPTUNE_PROJECT_KEY: self.project,
+            self.LINK_TYPE_KEY: NEPTUNE_RUN_VALUE,
+        }

plugins/flytekit-neptune/setup.py

@@ -0,0 +1,38 @@
+from setuptools import setup
+
+PLUGIN_NAME = "neptune"
+
+
+microlib_name = f"flytekitplugins-{PLUGIN_NAME}"
+
+plugin_requires = ["flytekit>=1.13.3", "neptune>=1.10.4"]
+
+__version__ = "0.0.0+develop"
+
+setup(
+    name=microlib_name,
+    version=__version__,
+    author="flyteorg",
+    author_email="admin@flyte.org",
+    description="This package enables seamless use of Neptune within Flyte",
+    namespace_packages=["flytekitplugins"],
+    packages=[f"flytekitplugins.{PLUGIN_NAME}"],
+    install_requires=plugin_requires,
+    license="apache2",
+    python_requires=">=3.8",
+    classifiers=[
+        "Intended Audience :: Science/Research",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: Apache Software License",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Topic :: Scientific/Engineering",
+        "Topic :: Scientific/Engineering :: Artificial Intelligence",
+        "Topic :: Software Development",
+        "Topic :: Software Development :: Libraries",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+    ],
+)

plugins/flytekit-neptune/tests/test_neptune_init_run.py

@@ -0,0 +1,101 @@
+from unittest.mock import patch, Mock
+
+from flytekit import Secret, task, current_context
+from flytekit.core.context_manager import FlyteContextManager
+from flytekitplugins.neptune import neptune_init_run
+from flytekitplugins.neptune.tracking import _neptune_init_run_class
+
+neptune_api_token = Secret(key="neptune_api_token", group="neptune_group")
+
+
+def test_get_extra_config():
+
+    @neptune_init_run(project="flytekit/project", secret=neptune_api_token, tags=["my-tag"])
+    def my_task() -> bool:
+        ...
+
+    config = my_task.get_extra_config()
+    assert config[my_task.NEPTUNE_HOST_KEY] == "https://app.neptune.ai"
+    assert config[my_task.NEPTUNE_PROJECT_KEY] == "flytekit/project"
+
+
+@task
+@neptune_init_run(project="flytekit/project", secret=neptune_api_token, tags=["my-tag"])
+def neptune_task() -> bool:
+    ctx = current_context()
+    return ctx.neptune_run is not None
+
+
+@patch("flytekitplugins.neptune.tracking.neptune")
+def test_local_project_and_init_run_kwargs(neptune_mock):
+    neptune_exists = neptune_task()
+    assert neptune_exists
+
+    neptune_mock.init_run.assert_called_with(
+        project="flytekit/project", tags=["my-tag"]
+    )
+
+
+class RunObjectMock(dict):
+    def __init__(self):
+        self._stop_called = False
+
+    def stop(self):
+        self._stop_called = True
+
+
+@patch.object(_neptune_init_run_class, "_get_secret")
+@patch.object(_neptune_init_run_class, "_is_local_execution")
+@patch("flytekitplugins.neptune.tracking.neptune")
+def test_remote_project_and_init_run_kwargs(
+    neptune_mock,
+    mock_is_local_execution,
+    mock_get_secret,
+    monkeypatch,
+):
+    # Pretend that the execution is remote
+    mock_is_local_execution.return_value = False
+    api_token = "this-is-my-api-token"
+    mock_get_secret.return_value = api_token
+
+    host_name = "ff59abade1e7f4758baf-mainmytask-0"
+    execution_url = "https://my-host.com/execution_url"
+    monkeypatch.setenv("HOSTNAME", host_name)
+    monkeypatch.setenv("FLYTE_EXECUTION_URL", execution_url)
+
+    run_mock = RunObjectMock()
+    init_run_mock = Mock(return_value=run_mock)
+    neptune_mock.init_run = init_run_mock
+
+    neptune_task()
+
+    init_run_mock.assert_called_with(project="flytekit/project", tags=["my-tag"], api_token=api_token)
+    assert run_mock["Flyte Execution ID"] == host_name
+    assert run_mock["Flyte Execution URL"] == execution_url
+
+
+def test_get_secret_callable():
+    def get_secret():
+        return "abc-123"
+
+    @neptune_init_run(project="flytekit/project", secret=get_secret, tags=["my-tag"])
+    def my_task():
+        pass
+
+    ctx_mock = Mock()
+    assert my_task._get_secret(ctx_mock) == "abc-123"
+
+
+def test_get_secret_object():
+    secret_obj = Secret(key="my_key", group="my_group")
+
+    @neptune_init_run(project="flytekit/project", secret=secret_obj, tags=["my-tag"])
+    def my_task():
+        pass
+
+    get_secret_mock = Mock(return_value="my-secret-value")
+    ctx_mock = Mock()
+    ctx_mock.user_space_params.secrets.get = get_secret_mock
+
+    assert my_task._get_secret(ctx_mock) == "my-secret-value"
+    get_secret_mock.assert_called_with(key="my_key", group="my_group")