[chef] knife prepare results in "Network is unreachable" due to IPv6 lookup


Chronological Thread 
  • From: Stefán Freyr Stefánsson < >
  • To: " " < >
  • Subject: [chef] knife prepare results in "Network is unreachable" due to IPv6 lookup
  • Date: Wed, 14 May 2014 16:55:33 +0000
  • Accept-language: en-US
  • Authentication-results: spf=none (sender IP is ) ;

Hi.

I have a CentOS server that I want to bootstrap with Chef.

If I run the command (from my workstation, 1.2.3.4 is the IP address of the computer I want to prepare):


knife solo prepare  -VV


I end up getting a bunch of errors. The significant one (first one) is this:


DEBUG: Initial command sudo yum -y install rsync
DEBUG: Running processed command sudo -p 'knife sudo password: ' yum -y install rsync
DEBUG: sudo -p 'knife sudo password: ' yum -y install rsync stdout: Loaded plugins: fastestmirror

DEBUG: sudo -p 'knife sudo password: ' yum -y install rsync stdout: Determining fastest mirrors

DEBUG: sudo -p 'knife sudo password: ' yum -y install rsync stdout: Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os error was
14: PYCURL ERROR 7 - "Failed to connect to 2a02:2498:1:3d:5054:ff:fed3:e91a: Network is unreachable"
Error: Cannot find a valid baseurl for repo: base


So it seems clear that the yum command is looking up an IPv6 address for the mirrorlist.

If I log into the server myself and do a "yum install rsync" everything works fine. I've also tried to disable IPv6 on the host being bootstrapped but that doesn't work.

Does anybody know what's going on here and how I can fix it?

I should note that the computer in question is behind a firewall and needs to use a proxy to establish a connection. I have added the proxy config in /etc/profile so my login sessions have http_proxy and https_proxy defined. However, I also tried adding the proxy definition to /etc/yum.conf and it behaved exactly the same (my login sessions could do yum install but knife prepare couldn't).

I'd really appreciate some help here.

-Stefan Freyr.



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