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Python library for interacting with Saturn Cloud API

Project description

saturn-client

Python library for interacting with Saturn Cloud API.

Connect

This library is intended primarily as a way to interact with Saturn Cloud from outside of the Saturn User Interface.

External

To connect to Saturn you'll need the URL of your Saturn instance. It'll be something like: "https://app.community.saturnenterprise.io/". You'll also need your api token. You can get your token in the browser by logging in to saturn and then going to /api/user/token. So in the case of Saturn Cloud Hosted that'll be "https://app.community.saturnenterprise.io/api/user/token".

Note that this library is new and experimental - we expect to make this process easier in the future.

from saturn_client import SaturnConnection

# From outside of Saturn
conn = SaturnConnection(
    url="https://app.community.saturnenterprise.io/",
    api_token="fake_token_use_your_own"
)

Internal

From inside of saturn on the other hand you can just run:

from saturn_client import SaturnConnection

# From inside of Saturn
conn = SaturnConnection()

Create a Project

Once you have your connection object (conn) you can create a project.

The minimal acceptable input is the name of the project:

project = conn.create_project(name="my-project")

But all the other settings that are available in the UI can also be passed in:

project = conn.create_project(
    name="my-project",
    description="My new project - created from outside of Saturn programatically!",
    image_uri="saturncloud/saturn-gpu:2020.11.30",
    start_script="pip install git+https://github.com/saturncloud/dask-saturn.git@main",
    environment_variables={"DATA_URL": "s3://my-bucket/data"},
    working_dir="/home/jovyan/project",
    jupyter_size="large",
    jupyter_disk_space="50Gi",
    jupyter_auto_shutoff="Never",
    jupyter_start_ssh=False,
)

Other project methods

List all projects

Get a list of all the projects that you have access to.

conn.list_projects()

Get a project

Get the details of a particular project by ID.

project = conn.get_project("18ad47c81c5943ad9ae641b11367d1b1")

Update a project

Update a particular project by ID. Any field that can be used in create_project can also be used in update_project except for name.

project = conn.update_project("18ad47c81c5943ad9ae641b11367d1b1", image="saturncloud/saturn:2020.12.11")

Use the update_jupyter_server option to keep the jupyter_server uptodate with the project - this is set to True by default:

NOTE: If the jupyter server is running for this project it will be stopped and so will the dask cluster associated with that jupyter. You can start these back up using the start_jupyter_server method and the start_dask_cluster method.

Delete a project

Delete a particular project by ID.

conn.delete_project("18ad47c81c5943ad9ae641b11367d1b1")

Jupyter server methods

Jupyter server methods act directly on the jupyter server and require the jupyter_server_id. This can be found on the response from any of the project methods.

Get a jupyter server

Get the details of a particular jupyter server by ID.

jupyter_server = conn.get_jupyter_server("acb4588d062d4d0ba0680a4d49c72cf8")

Start a jupyter server

Start a particular jupyter server by ID. This method will return as soon as the start process has been triggered. It'll take longer for the jupyter server to be up, but you can check the status using get_jupyter_server.

conn.start_jupyter_server("acb4588d062d4d0ba0680a4d49c72cf8")

Stop a jupyter server

Stop a particular jupyter server by ID. This method will return as soon as the stop process has been triggered. It'll take longer for the jupyter server to actually shut down, but you can check the status using get_jupyter_server.

conn.stop_jupyter_server("acb4588d062d4d0ba0680a4d49c72cf8")

Dask cluster methods

Dask cluster methods act directly on the dask cluster and require the dask_cluster_id. This can be found on the response from get_jupyter_server.

Start a dask cluster

Start a dask cluster by ID. This method will return as soon as the start process has been triggered. It'll take longer for the dask cluster to be up. This is primarily useful when the dask cluster has been stopped as a side-effect of stopping a jupyter server or updating a project. For more fine-grain control over the dask cluster see dask-saturn.

conn.start_dask_cluster("e59862cbde6647e09ec1202c21b8947a")

Stop a dask cluster

Stop a particular dask cluster by ID. This method will return as soon as the stop process has been triggered. It'll take longer for the dask cluster to actually shut down.

conn.stop_dask_cluster("e59862cbde6647e09ec1202c21b8947a")

Miscelaneous

Some convenience properties are included on SaturnConnection. These include conn.options which describes the options available for workspace settings.

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