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Support the containers.conf container_name_as_hostname option

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When containers.conf has the "container_name_as_hostname" option set,
use that value, with values that don't fit `[A-Za-z0-9][A-Za-z0-9.-]+`
stripped out.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Nalin Dahyabhai
2025-01-24 15:41:31 -05:00
parent 5dc3c23a3e
commit 72e2bf4c69
5 changed files with 94 additions and 2 deletions
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12
run_freebsd.go
View File

@@ -586,7 +586,17 @@ func (b *Builder) configureNamespaces(g *generate.Generator, options *RunOptions
} else if b.Hostname() != "" {
g.SetHostname(b.Hostname())
} else {
g.SetHostname(stringid.TruncateID(b.ContainerID))
hostname := stringid.TruncateID(b.ContainerID)
defConfig, err := config.Default()
if err != nil {
return false, "", fmt.Errorf("failed to get container config: %w", err)
}
if defConfig.Containers.ContainerNameAsHostName {
if mapped := mapContainerNameToHostname(b.Container); mapped != "" {
hostname = mapped
}
}
g.SetHostname(hostname)
}
} else {
g.SetHostname("")