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| author | Christian Poessinger <christian@poessinger.com> | 2021-04-05 15:36:44 +0200 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2021-04-05 15:37:04 +0200 |
| commit | 23598fc082fcf0c02e113586bfc615583a05d2f3 (patch) | |
| tree | de2198d7d2ed9d2c9659367a6fd473af060a1f23 /python/vyos | |
| parent | 49cfd4e0c56a8b7a85128bfdb4a4e19157137129 (diff) | |
| download | vyos-1x-23598fc082fcf0c02e113586bfc615583a05d2f3.tar.gz vyos-1x-23598fc082fcf0c02e113586bfc615583a05d2f3.zip | |
vyos.template: T3418: add new is_interface helper function
Diffstat (limited to 'python/vyos')
| -rw-r--r-- | python/vyos/template.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/python/vyos/template.py b/python/vyos/template.py index 85e4d12b3..7810f5edd 100644 --- a/python/vyos/template.py +++ b/python/vyos/template.py @@ -207,6 +207,11 @@ def network_from_ipv4(address): cidr_prefix = ip_interface(f'{address}/{netmask}').network return address_from_cidr(cidr_prefix) +@register_filter('is_interface') +def is_interface(interface): + """ Check if parameter is a valid local interface name """ + return os.path.exists(f'/sys/class/net/{interface}') + @register_filter('is_ip') def is_ip(addr): """ Check addr if it is an IPv4 or IPv6 address """ |