CoreDNS

CoreDNS is a fast DNS server used in a multitude of environments because of its flexibility. If some functionality is not provided out of the box, it can be added with plugins .

The coredns role performs various tasks related to Helm chart deployment, reset, and validation.

Tip

Role deployments are performed at global level, using the Provisioning playbook. Upgrades can be performed at role level — see the instructions detailed below.

Role Tasks

See the related role tasks listed below.

Facts

Ansible facts — see facts.yaml for details.

Main

Main role related tasks — see main.yaml for details.

Post-Install

Post-install related tasks — see postinstall.yaml for details.

Reset

Reset related tasks — see reset.yaml for details.

Tip

A reset is performed at global level only — review the Reset playbook instructions.

Upgrade

Upgrade related tasks — see upgrade.yaml for details. Run the following command to perform a role upgrade:


ansible-playbook --ask-vault-pass --tags=coredns upgrade.yaml

Validation

Validation related tasks — see validation.yaml for details. Run the following command to perform all role related validation tasks:


ansible-playbook --ask-vault-pass --tags=coredns validation.yaml

Role Templates

See the related role templates listed below.

Tip

Perform a role validation to visualize all rendered templates and variables.

Helm Chart

Helm chart values template — see values.j2 for details.

Servers Configuration

Zones configuration template — see config_servers.j2 for details.

Role Variables

Important

A role upgrade is required in order to apply any changes related to role variables.

See the related role variables, defined in the main.yaml defaults file. Review the README.md file for additional details.

Tip

Use Renovate to automate release pull requests and keep dependencies up-to-date.