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DNS for OpenStack infrastructure.

What is everyone doing for DNS for their OpenStack infrastructure nodes?

In the manual installation documentation on OpenStack's website it asks you to edit the /etc/hosts file on each node to configure the hostname for the management IP address. What is the best practice for a production environment? Are you guys adding DNS records for your nodes?

For example if we have an external network, a management network, and a storage network. Are you adding DNS records for each network or just for the management network? Trying to figure out the best practice here to avoid using IPs when possible.

DNS for OpenStack infrastructure.

What is everyone doing for DNS for their OpenStack infrastructure nodes?

In the manual installation documentation on OpenStack's website it asks you to edit the /etc/hosts file on each node to configure the hostname for the management IP address. What is the best practice for a production environment? Are you guys adding DNS records for your nodes?

For example if we have an external network, a management network, and a storage network. Are you adding DNS records for each network or just for the management network? Trying to figure out the best practice here to avoid using IPs when possible.

Edit: Should have mentioned that I already knew about Designate. Just wanted to see what the consensus was about DNS.