Internal Dynamic DNS Server for IDC Frontier Runbook
Table of contents
Table of Contents
Overview
This ServerTemplate provides the function of an internal Dynamic DNS server which resolves names of other instances in the same deployment. You have to add the RightScript DNS Set Resolv.conf for IDC Frontier as a boot script and replace DNS Tools install with DNS Tools install for IDC Frontier for each server which uses internal Dynamic DNS server.
Description and Inputs
Boot Scripts
The following Boot scripts are listed in order.
RightScript: DNS BIND Dynamic DNS for IDC Frontier
Description: This script installs a BIND name server from a CentOS repository and configures the instance as a dynamic DNS server. The zone name of this DNS server is “cloud.local”.
Required Inputs and Default Settings: None
RightScript: DNS Set Resolv.conf for IDC Frontier
Description: This script edits /etc/resolv.conf and /etc/sysconfig/network-script/ifcfg-eth0 to use an internal dynamic DNS server when you select DNS_PROVIDER as “NSUpdate”. If you choose DNS_PROVIDER other than NSUpdate, this script executes nothing.
Required Inputs and Default Settings:
DNS Category
| DNS_PROVIDER | DNS provider you choose to use. Default Value: NSUpdate Required. |
| DNS_SERVER_IP_ADDRESS | IP address of internal DNS server. You do not need to change it. Default Value: 127.0.0.1 Required. |
RightScript: DNS Tools install for IDC Frontier
Description: This script installs RightScale’s DNS tools. If you choose NSUpdate as DNS_PROVIDER, the DNS tools created by IDC Frontier will be installed.
Required Inputs and Default Settings:
DNS Category
| DNS_PROVIDER | DNS provider you choose to use. Default Value: NSUpdate Required. |
Operational Scripts
The following script is an optional script that is designed to be executed on-demand for the purpose of backups.
Decommission Scripts
This ServerTemplate does not contain Decommission Scripts.
Requirements and Restrictions
Requirements
You have to add the RightScript DNS Set Resolv.conf for IDC Frontier as a boot script and replace DNS Tools install with DNS Tools install for IDC Frontier for each server which uses internal Dynamic DNS server.
Restrictions
- Internal dynamic DNS service included in this ServerTemplate is only able to resolve “cloud.local” domain.
- You have to change /etc/resolv.conf of all instances which use internal dynamic DNS by executing the RightScript DNS Set Resolv.conf for IDC Frontier.
- DNS records are erased when you relaunch the server. So you have to re-register DNS records of all instances by executing the RightScript DNS External id register - 11H1 or DNS ID register Public/Private IP.
Common Runbook Operations
This Runbook is not meant to provide detailed information about the usage of this ServerTemplate. Further information can be found 3 Tier Setup with IDC Frontier.
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