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zacharygraber/shelve_current_instance.py

Created October 29, 2024 19:10
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  1. zacharygraber created this gist Oct 29, 2024.
    20 changes: 20 additions & 0 deletions shelve_current_instance.py
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    #!/bin/python3

    # Requires the openstacksdk pip package - openstacksdk==4.0.0

    import openstack
    from urllib.request import urlopen
    import json

    # Initiate connection to the OpenStack API (get a token)
    # Expects credentials to be available in "OS_"-prefixed env vars
    conn = openstack.connect()

    # Query the OpenStack metadata service to find the UUID of the instance we're currently running on
    # see https://docs.openstack.org/nova/latest/user/metadata.html
    response = urlopen("http://169.254.169.254/openstack/latest/meta_data.json")
    json_data = json.loads(response.read())

    # Here's where you could put other fun stuff, like an email/Slack notification to yourself

    conn.compute.shelve_server(json_data["uuid"])