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| author | Jernej Jakob <jernej.jakob@gmail.com> | 2020-06-11 08:37:15 +0200 |
|---|---|---|
| committer | Jernej Jakob <jernej.jakob@gmail.com> | 2020-06-11 22:10:47 +0200 |
| commit | d6d72d37606849607979d410db75d1803f18f159 (patch) | |
| tree | 27fa11cdf469f6e9757aa578f83b10f8605cf08b /src/conf_mode/dns_forwarding.py | |
| parent | f02f9622307687282aeca2600953cf6394f09485 (diff) | |
| download | vyos-1x-d6d72d37606849607979d410db75d1803f18f159.tar.gz vyos-1x-d6d72d37606849607979d410db75d1803f18f159.zip | |
dns forwarding: T2486: add warning for no dhcp, system or static nameservers
Add warning that forwarding will operate as a recursor in case there are no
nameservers configured.
Diffstat (limited to 'src/conf_mode/dns_forwarding.py')
| -rwxr-xr-x | src/conf_mode/dns_forwarding.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/conf_mode/dns_forwarding.py b/src/conf_mode/dns_forwarding.py index 556947733..06bdab12b 100755 --- a/src/conf_mode/dns_forwarding.py +++ b/src/conf_mode/dns_forwarding.py @@ -124,6 +124,19 @@ def verify(conf, dns): raise ConfigError(( f'Error: No server configured for domain {domain}')) + no_system_nameservers = False + if dns['system'] and not ( + conf.exists(['system', 'name-server']) or + conf.exists(['system', 'name-servers-dhcp']) ): + no_system_nameservers = True + print(("DNS forwarding warning: No 'system name-server' or " + "'system name-servers-dhcp' set\n")) + + if (no_system_nameservers or not dns['system']) and not ( + dns['name_servers'] or dns['dhcp_interfaces']): + print(("DNS forwarding warning: No 'dhcp', 'name-server' or 'system' " + "nameservers set. Forwarding will operate as a recursor.\n")) + return None def generate(dns): |