pycloudlib.cloud module

Base class for all other clouds to provide consistent set of functions.

class pycloudlib.cloud.BaseCloud(tag, timestamp_suffix=True, config_file: Union[pathlib.Path, _io.StringIO] = None)

Bases: abc.ABC

Base Cloud Class.

__init__(tag, timestamp_suffix=True, config_file: Union[pathlib.Path, _io.StringIO] = None)

Initialize base cloud class.

Parameters:

• tag – string used to name and tag resources with
• timestamp_suffix – Append a timestamped suffix to the tag string.
• config_file – path to pycloudlib configuration file

create_key_pair()

Create and set a ssh key pair for a cloud instance.

Returns:A tuple containing the public and private key created

daily_image(release, **kwargs)

ID of the latest daily image for a particular release.

Parameters:release – The release to look for Returns:A single string with the latest daily image ID for the specified release.

delete_image(image_id)

Delete an image.

Parameters:image_id – string, id of the image to delete

get_instance(instance_id, **kwargs)

Get an instance by id.

Parameters:instance_id – Returns:An instance object to use to manipulate the instance further.

image_serial(image_id)

Find the image serial of the latest daily image for a particular release.

Parameters:image_id – string, Ubuntu image id Returns:string, serial of latest image

launch(image_id, instance_type=None, user_data=None, wait=True, **kwargs)

Launch an instance.

Parameters:

• image_id – string, image ID to use for the instance
• instance_type – string, type of instance to create
• user_data – used by cloud-init to run custom scripts/configuration
• wait – wait for instance to be live
• **kwargs – dictionary of other arguments to pass to launch

Returns:

An instance object to use to manipulate the instance further.

list_keys()

List ssh key names present on the cloud for accessing instances.

Returns:A list of strings of key pair names accessible to the cloud.

released_image(release, **kwargs)

ID of the latest released image for a particular release.

Parameters:release – The release to look for Returns:A single string with the latest released image ID for the specified release.

snapshot(instance, clean=True, **kwargs)

Snapshot an instance and generate an image from it.

Parameters:

• instance – Instance to snapshot
• clean – run instance clean method before taking snapshot

Returns:

An image id

use_key(public_key_path, private_key_path=None, name=None)

Use an existing key.

Parameters:

• public_key_path – path to the public key to upload
• private_key_path – path to the private key
• name – name to reference key by