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Support and document all podman-specific network_modes

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Signed-off-by: Bas Zoetekouw <bas.zoetekouw@surf.nl>
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Bas Zoetekouw 2024-03-21 19:42:05 +01:00 committed by Povilas Kanapickas
parent 6feff244db
commit 953534a71a
3 changed files with 29 additions and 1 deletions
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20
docs/Extensions.md
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@ -45,3 +45,23 @@ services:
ipv4_address: "192.168.1.10" ipv4_address: "192.168.1.10"
podman.mac_address: "02:bb:bb:bb:bb:bb" podman.mac_address: "02:bb:bb:bb:bb:bb"
``` ```
## Podman-specific network modes
Generic docker-compose supports the following values for `network-mode` for a container:
- `bridge`
- `host`
- `none`
- `service`
- `container`
In addition, podman-compose supports the following podman-specific values for `network-mode`:
- `slirp4netns[:<options>,...]`
- `ns:<options>`
- `pasta[:<options>,...]`
- `private`
The options to the network modes are passed to the `--network` option of the `podman create` command
as-is.

7
podman_compose.py
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@ -789,7 +789,11 @@ def get_net_args(compose, cnt):
net_args.append(f"--network={net}") net_args.append(f"--network={net}")
elif net.startswith("slirp4netns"): # Note: podman-specific network mode elif net.startswith("slirp4netns"): # Note: podman-specific network mode
net_args.append(f"--network={net}") net_args.append(f"--network={net}")
elif net.startswith("ns:"): elif net == "private": # Note: podman-specific network mode
net_args.append("--network=private")
elif net.startswith("pasta"): # Note: podman-specific network mode
net_args.append(f"--network={net}")
elif net.startswith("ns:"): # Note: podman-specific network mode
net_args.append(f"--network={net}") net_args.append(f"--network={net}")
elif net.startswith("service:"): elif net.startswith("service:"):
other_srv = net.split(":", 1)[1].strip() other_srv = net.split(":", 1)[1].strip()
@ -809,6 +813,7 @@ def get_net_args(compose, cnt):
default_net = compose.default_net default_net = compose.default_net
nets = compose.networks nets = compose.networks
cnt_nets = cnt.get("networks", None) cnt_nets = cnt.get("networks", None)
aliases = [service_name] aliases = [service_name]
# NOTE: from podman manpage: # NOTE: from podman manpage:
# NOTE: A container will only have access to aliases on the first network # NOTE: A container will only have access to aliases on the first network

3
pytests/test_get_net_args.py
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@ -261,7 +261,10 @@ class TestGetNetArgs(unittest.TestCase):
("none", []), ("none", []),
("slirp4netns", ["--network=slirp4netns"]), ("slirp4netns", ["--network=slirp4netns"]),
("slirp4netns:cidr=10.42.0.0/24", ["--network=slirp4netns:cidr=10.42.0.0/24"]), ("slirp4netns:cidr=10.42.0.0/24", ["--network=slirp4netns:cidr=10.42.0.0/24"]),
("private", ["--network=private"]),
("pasta", ["--network=pasta"]),
("pasta:--ipv4-only,-a,10.0.2.0", ["--network=pasta:--ipv4-only,-a,10.0.2.0"]), ("pasta:--ipv4-only,-a,10.0.2.0", ["--network=pasta:--ipv4-only,-a,10.0.2.0"]),
("ns:my_namespace", ["--network=ns:my_namespace"]),
("container:my_container", ["--network=container:my_container"]), ("container:my_container", ["--network=container:my_container"]),
]) ])
def test_network_modes(self, network_mode, expected_args): def test_network_modes(self, network_mode, expected_args):