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-rw-r--r--python/vyos/ifconfig/control.py22
1 files changed, 13 insertions, 9 deletions
diff --git a/python/vyos/ifconfig/control.py b/python/vyos/ifconfig/control.py
index 508b4e279..635b626e8 100644
--- a/python/vyos/ifconfig/control.py
+++ b/python/vyos/ifconfig/control.py
@@ -29,12 +29,13 @@ class Control:
def _cmd(self, command):
p = Popen(command, stdout=PIPE, stderr=STDOUT, shell=True)
tmp = p.communicate()[0].strip()
- self._debug_msg("cmd '{}'".format(command))
- if tmp.decode():
- self._debug_msg("returned:\n{}".format(tmp.decode()))
-
- # do we need some error checking code here?
- return tmp.decode()
+ self._debug_msg(f"cmd '{command}'")
+ decoded = tmp.decode()
+ if decoded:
+ self._debug_msg(f"returned:\n{decoded}")
+ if p.returncode != 0:
+ raise RuntimeError(f'{command}\nreturned: {decoded}')
+ return decoded
def _get_command(self, config, name):
"""
@@ -55,14 +56,17 @@ class Control:
validate = self._command_set[name].get('validate', None)
if validate:
- validate(value)
-
- config = {**config, **{'value': value}}
+ try:
+ validate(value)
+ except Exception as e:
+ raise e.__class__(f'Could not set {name}. {e}')
convert = self._command_set[name].get('convert', None)
if convert:
value = convert(value)
+ config = {**config, **{'value': value}}
+
cmd = self._command_set[name]['shellcmd'].format(**config)
return self._cmd(cmd)