Puppet generate SSH keys

Question

I am new to Puppet.

What are the steps to generate a DSA key in Puppet and add the public key to authorized keys?

Basically the equivalent of the below Linux statements

$ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa

$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

you may want to do some research before posting a question.. docs.puppetlabs.com/references/latest/type.html#exec docs.puppetlabs.com/references/latest/… — ptierno
– ptierno, Commented Dec 14, 2015 at 21:41

T0xicCode · Accepted Answer · 2016-01-10 12:59:56Z

1

As @ptierno mentionned, the puppet documentation has all of the information. The first step is to make and exec ressource to generate the key, then either another exec, or an sshauthorizedkey ressource to install it into the authorized_key for the user.

answered Jan 10, 2016 at 12:59

T0xicCode

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Henry · Accepted Answer · 2017-10-17 20:47:56Z

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I know this is an indirect answer, but I think that you should generate your key manually and simply add it to your server like any other file. If your goal is to be able to rebuild the same machine over and over or if you want several load balanced instances then you would probably want the same key, not a new one.

answered Oct 17, 2017 at 20:47

Henry

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16c7x · Accepted Answer · 2019-11-01 15:58:56Z

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There is a module on the forge that will do this for you https://forge.puppet.com/puppet/ssh_keygen

Once you have this installed you can generate an ssh key simple by adding

ssh_keygen { 'john': }

But be careful as it doesn't actually check the users home directory, instead it defaults to /home/john. If you have a different home directory you'll need to pass that in;

ssh_keygen { 'john':
  home => '/var/home'
}

edited Nov 1, 2019 at 15:58

answered Nov 1, 2019 at 9:23

16c7x

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2 Comments

Kaushik Burkule Over a year ago

An answer is a direct response that sincerely attempts to provide the information/analysis requested by the question. Hence remember link is not an answer.

Ioannis Barakos Over a year ago

A link to a solution is welcome, but please ensure your answer is useful without it: add context, some examples and/or code to support your answer and guide someone on how to use the link towards a solution

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