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Extract multiple network handling in get_net_args_from_networks()

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Modified-by: Povilas Kanapickas <povilas@radix.lt>
Signed-off-by: Songmin Li <lisongmin@protonmail.com>
This commit is contained in:
Songmin Li 2024-12-18 19:59:27 +02:00 committed by Povilas Kanapickas
parent a34d1d1a31
commit 2dfbb59097
1 changed files with 28 additions and 26 deletions
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54
podman_compose.py
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@ -946,6 +946,34 @@ def get_net_args_from_networks(compose, cnt):
ip6 = None
if cnt.get("_aliases"):
aliases.extend(cnt.get("_aliases"))
# TODO: add support for per-interface aliases
# See https://docs.docker.com/compose/compose-file/compose-file-v3/#aliases
# Even though podman accepts network-specific aliases (e.g., --network=bridge:alias=foo,
# podman currently ignores this if a per-container network-alias is set; as pdoman-compose
# always sets a network-alias to the container name, is currently doesn't make sense to
# implement this.
multiple_nets = cnt.get("networks", {})
# networks can be specified as a dict with config per network or as a plain list without
# config. Support both cases by converting the plain list to a dict with empty config.
if is_list(multiple_nets):
multiple_nets = {net: {} for net in multiple_nets}
else:
multiple_nets = {net: net_config or {} for net, net_config in multiple_nets.items()}
# if a mac_address was specified on the container level, we need to check that it is not
# specified on the network level as well
if mac_address is not None:
for net_config in multiple_nets.values():
network_mac = net_config.get("x-podman.mac_address")
if network_mac is not None:
raise RuntimeError(
f"conflicting mac addresses {mac_address} and {network_mac}:"
"specifying mac_address on both container and network level "
"is not supported"
)
if cnt_nets and isinstance(cnt_nets, dict):
prioritized_cnt_nets = []
# cnt_nets is {net_key: net_value, ...}
@ -976,33 +1004,7 @@ def get_net_args_from_networks(compose, cnt):
net_names.append(net_name)
net_names_str = ",".join(net_names)
# TODO: add support for per-interface aliases
# See https://docs.docker.com/compose/compose-file/compose-file-v3/#aliases
# Even though podman accepts network-specific aliases (e.g., --network=bridge:alias=foo,
# podman currently ignores this if a per-container network-alias is set; as pdoman-compose
# always sets a network-alias to the container name, is currently doesn't make sense to
# implement this.
multiple_nets = cnt.get("networks")
if multiple_nets and len(multiple_nets) > 1:
# networks can be specified as a dict with config per network or as a plain list without
# config. Support both cases by converting the plain list to a dict with empty config.
if is_list(multiple_nets):
multiple_nets = {net: {} for net in multiple_nets}
else:
multiple_nets = {net: net_config or {} for net, net_config in multiple_nets.items()}
# if a mac_address was specified on the container level, we need to check that it is not
# specified on the network level as well
if mac_address is not None:
for net_config_ in multiple_nets.values():
network_mac = net_config_.get("x-podman.mac_address")
if network_mac is not None:
raise RuntimeError(
f"conflicting mac addresses {mac_address} and {network_mac}:"
"specifying mac_address on both container and network level "
"is not supported"
)
for net_, net_config_ in multiple_nets.items():
net_desc = compose.networks[net_] or {}
is_ext = net_desc.get("external")