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Do not set the default network to `host` (#55) 

In [nektos/act/pull/1739](https://github.com/nektos/act/pull/1739), the container network mode defaults to `host` if the network option isn't specified in `options`.  When calling `ConnectToNetwork`, the `host` network mode may cause the error:
`Error response from daemon: container sharing network namespace with another container or host cannot be connected to any other network`
see the code: a94a01bff2/pkg/container/docker_run.go (L51-L68)

To avoid the error, this logic needs to be removed to keep the default network mode as `bridge`.

Reviewed-on: https://gitea.com/gitea/act/pulls/55
Reviewed-by: Jason Song <i@wolfogre.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>
This commit is contained in:
Zettat123 2023-05-09 16:41:31 +08:00 committed by Jason Song
parent a94a01bff2
commit ed9b6643ca
1 changed files with 9 additions and 5 deletions
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14
pkg/container/docker_run.go
View File

@ -366,11 +366,15 @@ func (cr *containerReference) mergeContainerConfigs(ctx context.Context, config
return nil, nil, fmt.Errorf("Cannot parse container options: '%s': '%w'", input.Options, err)
}
if len(copts.netMode.Value()) == 0 {
if err = copts.netMode.Set("host"); err != nil {
return nil, nil, fmt.Errorf("Cannot parse networkmode=host. This is an internal error and should not happen: '%w'", err)
}
}
// If a service container's network is set to `host`, the container will not be able to
// connect to the specified network created for the job container and the service containers.
// So comment out the following code.
// if len(copts.netMode.Value()) == 0 {
// if err = copts.netMode.Set("host"); err != nil {
// return nil, nil, fmt.Errorf("Cannot parse networkmode=host. This is an internal error and should not happen: '%w'", err)
// }
// }
containerConfig, err := parse(flags, copts, "")
if err != nil {