diff options
Diffstat (limited to 'cloudinit')
| -rw-r--r-- | cloudinit/net/sysconfig.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cloudinit/net/sysconfig.py b/cloudinit/net/sysconfig.py index a550f97c..f5727969 100644 --- a/cloudinit/net/sysconfig.py +++ b/cloudinit/net/sysconfig.py @@ -484,7 +484,11 @@ class Renderer(renderer.Renderer): content.add_nameserver(nameserver) for searchdomain in network_state.dns_searchdomains: content.add_search_domain(searchdomain) - return "\n".join([_make_header(';'), str(content)]) + header = _make_header(';') + content_str = str(content) + if not content_str.startswith(header): + content_str = header + '\n' + content_str + return content_str @staticmethod def _render_networkmanager_conf(network_state): |