kit

kitten

Tiny multi-server automation tool

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2mos ago

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2

License

MIT

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Readme

kitten |travis|

.. |travis| image:: https://github.com/hoffa/kitten/workflows/.github/workflows/workflow.yml/badge.svg :target: https://github.com/hoffa/kitten/actions

Tiny multi-server automation tool.

Run command on multiple servers. Designed to be as simple as possible and play nice with Unix tools.

.. image:: https://i.imgur.com/QEQfOiv.png

Installation

::

pip install kitten

Prerequisites

kitten can get IP addresses from AWS resources for you. For that you'll need to have your AWS credentials set up. You can do that using awscli:

::

pip install awscli

Then:

::

aws configure

Examples

Run command on servers


Use ``kitten run``:

::

  $ kitten run uptime ubuntu 18.105.107.20 34.229.135.48
  18.105.107.20 run uptime
  34.229.135.48 run uptime
  18.105.107.20 17:11:48 up 2 days,  6:02,  0 users,  load average: 0.91, 2.99, 3.49
  34.229.135.48 17:11:48 up 5 days, 11:19,  0 users,  load average: 6.34, 5.94, 5.72

- Replace ``ubuntu`` with the user used to log in on the servers
- Use ``-i`` to specify a private key
- Use ``--threads`` to specify the number of concurrent connections (defaults to 10)

Get IP addresses from AWS resources

Use kitten ip with either id, asg or elb:

::

$ kitten ip asg my-tiny-asg 18.135.117.17 24.129.235.48

  • By default only private IP addresses are returned. Use --public if you prefer public IPs
  • You can change region using --region

If you're in a hurry, you can just paste any text that contains instance IDs:

::

$ kitten ip id prod-mongo-0901bc21990109ed4-eu my-hostname-06a2fc734534ef6d9 17.136.127.18 23.119.136.38

Download files from servers


Use ``kitten get``:

::

  kitten ip elb my-load-balancer | xargs kitten get /tmp/system.log ubuntu

Upload file to servers
~~~~~~~~~~~~~~~~~~~~~~

Use ``kitten put``:

::

  kitten ip asg big-prod-asg | xargs kitten put -i ~/.ssh/key.pem cat.jpg /tmp ubuntu

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