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Add network "dns" support

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This patch add 'x-podman.dns' option to the 'network' configuration,
allowing users to set the DNS resolvers for a defined network.

Signed-off-by: Rafael Guterres Jeffman <rjeffman@redhat.com>
This commit is contained in:
Rafael Guterres Jeffman
2025-01-17 13:49:48 -03:00
parent 6e642dca1f
commit 9be3ec985f
4 changed files with 68 additions and 0 deletions
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12
docs/Extensions.md
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@ -32,6 +32,18 @@ For explanations of these extensions, please refer to the [Podman Documentation]
The following extension keys are available under network configuration:
* `x-podman.disable-dns` - Disable the DNS plugin for the network when set to 'true'.
* `x-podman.dns` - Set nameservers for the network using supplied addresses (cannot be used with x-podman.disable-dns`).
For example, the following docker-compose.yml allows all containers on the same network to use the
specified nameservers:
```yml
version: "3"
network:
my_network:
x-podman.dns:
- "10.1.2.3"
- "10.1.2.4"
```
For explanations of these extensions, please refer to the
[Podman network create command Documentation](https://docs.podman.io/en/latest/markdown/podman-network-create.1.html).