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Support multiple subnets/gatways in containers.podman.podman_network #605

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koalaeagle opened this issue Jul 18, 2023 · 2 comments · May be fixed by #709
Open

Support multiple subnets/gatways in containers.podman.podman_network #605

koalaeagle opened this issue Jul 18, 2023 · 2 comments · May be fixed by #709
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enhancement New feature or request

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@koalaeagle
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Is this a BUG REPORT or FEATURE REQUEST? (leave only one on its own line)

/kind feature

Description

Is it possible to support defining multiple subnets and gateways? This can be useful for certain dualstack scenarios.

As far as I can tell, this is not currently supported. However, I am still learning ansible and it is possible I missed something.

An example of this would be:

podman network create -d macvlan --subnet=10.10.0.0/24 --gateway=10.10.0.1 --ip-range=10.10.0.248/29 --subnet= 2001: db8:abcd:10::/64 --gateway= 2001: db8:abcd:10::1 --ipv6 -o parent=eth0.10 dmz

Describe the results you received:

I have tried defining multiple subnet values, but when inspecting the created network only one subnet and gateway is defined. After a quick look at the code, it does not appear that there is logic to handle more than one subnet/gateway.
@sshnaidm sshnaidm added the enhancement New feature or request label Jul 30, 2023
@nishipy
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nishipy commented Aug 13, 2023

I'm not sure, but is this a question on Podman itself?

@DasSkelett
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I'm not sure, but is this a question on Podman itself?

Podman already supports this since several releases, but this Ansible collection doesn't yet.

--subnet=subnet

The subnet in CIDR notation. Can be specified multiple times to allocate more than one subnet for this network. The argument order of the --subnet, --gateway and --ip-range options must match. This is useful to set a static ipv4 and ipv6 subnet.

https://docs.podman.io/en/latest/markdown/podman-network-create.1.html#subnet-subnet

I would also be very interested in this feature, my current workaround is copying the network JSON files to /etc/containers/networks/ instead.

@freundTech freundTech linked a pull request Feb 10, 2024 that will close this issue
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@sshnaidm @koalaeagle @DasSkelett @nishipy