Implement to set a domain name

Signed-off-by: utam0k <k0ma@utam0k.jp>
opencontainers · Sep 11, 2022 · e0221c8 · e0221c8
1 parent 3b550db
commit e0221c8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/libcontainer/standard_init_linux.go b/libcontainer/standard_init_linux.go
@@ -126,6 +126,11 @@ func (l *linuxStandardInit) Init() error {
 			return &os.SyscallError{Syscall: "sethostname", Err: err}
 		}
 	}
+	if domainname := l.config.Config.Domainname; domainname != "" {
+		if err := unix.Setdomainname([]byte(domainname)); err != nil {
+			return &os.SyscallError{Syscall: "setdomainname", Err: err}
+		}
+	}
 	if err := apparmor.ApplyProfile(l.config.AppArmorProfile); err != nil {
 		return fmt.Errorf("unable to apply apparmor profile: %w", err)
 	}