OpenVPN Infrastructure SOP

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{{shortcut|ISOP:OPENVPN}}
 
{{shortcut|ISOP:OPENVPN}}
  
OpenVPN is our server->server VPN solution.  It is deployed in a routeless manner and uses puppet managed keys for authentication.  All hosts should be given static IP's and a hostname.vpn.fedoraproject.org DNS address.
 
  
== Contact Information ==
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This SOP has moved to the fedora Infrastructure SOP git repo. Please see the current document at: http://infrastructure.fedoraproject.org/infra/docs/openvpn.txt
Owner: Fedora Infrastructure Team
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Contact: #fedora-admin, sysadmin-main
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For changes, questions or comments, please contact anyone in the Fedora Infrastructure team.
  
Location: Phoenix
 
 
Servers: bastion (vpn.fedoraproject.org)
 
 
Purpose: Provides vpn solution for our infrastructure.
 
 
== Add a new host ==
 
 
=== Create the keys ===
 
From puppet1 check out the private repo:
 
 
<pre>
 
git clone /git/private
 
chmod 700 private
 
cd private/vpn/openvpn
 
</pre>
 
 
Next prepare your environment and run the build-key script.  This example is for host "proxy4.fedora.phx.redhat.com"
 
 
<pre>
 
. ./vars
 
./build-key $FQDN
 
git add .
 
git commit -a
 
git push
 
</pre>
 
 
=== Create Static IP ===
 
 
Giving static IP's out in openvpn is mostly painless.  Take a look at other examples but each host gets a file and 2 IP's.  Also make sure to restart puppet on bastion *before* pushing changes out to hour new node.
 
 
<pre>
 
git clone /git/puppet
 
vi puppet/modules/openvpn/files/ccd/$FQDN
 
</pre>
 
 
The file format should look like this:
 
 
<pre>
 
ifconfig-push 192.168.1.314 192.168.0.314
 
</pre>
 
 
Basically the first IP is the IP that is contactable over the vpn and should always take the format "192.168.1.x" and the PtPIP is the same ip on a different network: "192.168.0.x"
 
 
Commit and install:
 
 
<pre>
 
git add .
 
git commit -m "What have you done?"
 
git push
 
</pre>
 
 
=== Create DNS entry ===
 
After you have your static IP ready, just add the entry to DNS:
 
 
From your puppet checkout, run:
 
 
<pre>
 
vi modules/bind/files/master/vpn.fedoraproject.org
 
git commit -m "What have you done?"
 
git push
 
</pre>
 
 
Wait for bastion and ns1/2 to get updated, then restart /sbin/service openvpn on the new machine.
 
 
== TODO ==
 
 
Deploy an additional VPN server outside of PHX.  OpenVPN does support failover automatically so if configured properly, when the primary VPN server goes down all hosts should connect to the next host in the list.
 
  
 
[[Category:Infrastructure SOPs]]
 
[[Category:Infrastructure SOPs]]

Latest revision as of 18:38, 19 December 2011

Infrastructure InfrastructureTeamN1.png
Shortcut:
ISOP:OPENVPN


This SOP has moved to the fedora Infrastructure SOP git repo. Please see the current document at: http://infrastructure.fedoraproject.org/infra/docs/openvpn.txt

For changes, questions or comments, please contact anyone in the Fedora Infrastructure team.