Active - passive Puppetserver setup with puppet5.1

[Mathew Jose]

I want to setup 2 centos servers to act as puppetservers with active-passive mode.

I am not sure  the below plan is good to go , can any of you have a look in to it and suggest me ?

• One puppet server is the CA master  (Uses the Name :puppet )
• A second Puppet master  ( Name :Puppet-passive ) using the CA master  (Name:puppet) for SSL

 

• Each puppet master has a cron to regularly do a 'git pull' of the puppet environment git repos to /etc/puppetlabs/code/environments so all agents use the same code.

 On the first puppetmaster (puppet)  that will also be the CA master

a)Install puppetserver

b) In its /etc/puppetlabs/puppet/puppet.conf [main] section:

• server = <its FQDN>
• ca_server = <its FQDN>
• Startup puppetserver on it
• Put  code into /etc/puppetlabs/code/environments
• Configure it to be an agent to itself and ensure it successfully runs before proceeding

On other master ( puppet-passive ):

• Install puppetserver
• Setup the git repos into /etc/puppetlabs/code/environments as you did for the CA master
• In its /etc/puppetlabs/puppet/puppet.conf [main] section:
• server = <its FQDN>
• ca_server = <FQDN of CA master>
• In its [agent] section, make its 'server' be the CA master and set the correct environment
• Run the agent successfully (against the CA master), then make 'server' be its own FQDN, then run it successfully again

But I am not sure how to failover from the active master server to passive one in case of a requirement.

[Poil]

Hey,

Puppet is scalable don't do this !

Use DNS SRV records to balance around your Puppet Servers

Use a version control software like GIT for managing and deploying your code between your Puppet Servers. You can search for R10K

This documentation haven't been rewrited for Puppet4 but is still valid.

https://docs.puppet.com/puppet/3/scaling_multiple_masters.html

Best regards

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[Mathew Jose]

Thanks Poli, let me try this method and update you

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Warm Regards

Mathew Jose