DNS - Failed to load master file

[Dale-Kurt Murray]

I have Scalr updating the client zones in a DNS chroot environment, however the client zones file is not loaded.

I get the following error message in my log file

30-Nov-2011 13:53:02.967 zone qcozz.com/IN: loading from master file client_zones/qcozz.com.db failed: file not found
30-Nov-2011 13:53:02.967 zone qcozz.com/IN: not loaded due to errors.

I took the log at face value thinking that there was no path for the client_zones/qcozz.com.db file but the path has been symlinked to take care of any missing paths required for Scalr.

My symlinks are setup like this

/etc/bind -> /var/lib/named/etc/bind
/var/named/etc/namedb/client_zones -> /var/lib/named/etc/bind/client_zones

Has anyone setup DNS chroot with scalr?

[Nick Toursky]

Hi Dale-Kurt,

Check Scalr system logs to see if there were errors writing the file.

Regards,
Nick

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[Dale-Kurt Murray]

Hi Nick,

Scalr is writing the file great, I found out that the reason it is not loading the file is that I have chrooted DNS and it requires the full path of the client_zones file.

//qcozz.com-BEGIN
zone "qcozz.com" {
   type master;
   file "client_zones/qcozz.com.db"; # How it is written currently
   allow-transfer { none; };

};
//qcozz.com-END

//qcozz.com-BEGIN
zone "qcozz.com" {
   type master;
   file "/etc/bind/client_zones/qcozz.com.db"; # How I want the zone files written
   allow-transfer { none; };

};
//qcozz.com-END

[Nick Toursky]

I believe you can get bind to accept this type of relative paths by configuring the correct bind home directory.
Anyway, if you need the format to be changed, you can change it in Scalr source code.

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[Dale-Kurt Murray]

How may I configure DNS to accept this relative path and where can I make this change in the source to change the format?

[Dale-Kurt Murray]

Nick,

I had updated the /etc/default/bind9 file with OPTIONS="-u bind -t /var/lib/named" for chroot of the DNS.

Could you advise me on where in the code I can modify for it to add the full path /etc/bind/client_zones/qcozz.com.db