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addons: ethtool: add support for "ethtool_ignore_errors" policy

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The goal of this policy is to ignore ethtool related errors, this is
useful for specific scenario like VMs.
This policy is off by default. To turn it on simply set:

"module_globals" : {
    "ethtool_ignore_errors": true
}

under the ethtool top object.

Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>
This commit is contained in:
Julien Fortin
2020-01-21 09:20:41 +01:00
parent 22c85b2da9
commit c1b6ffc78c
1 changed files with 14 additions and 6 deletions
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8
ifupdown2/addons/ethtool.py
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@ -143,6 +143,11 @@ class ethtool(moduleBase,utilsBase):
except Exception, e:
self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj)
self.ethtool_ignore_errors = policymanager.policymanager_api.get_module_globals(
module_name=self.__class__.__name__,
attr='ethtool_ignore_errors'
)
def do_fec_settings(self, ifaceobj):
feccmd = ''
@ -192,6 +197,7 @@ class ethtool(moduleBase,utilsBase):
(utils.ethtool_cmd, ifaceobj.name, feccmd))
utils.exec_command(feccmd)
except Exception, e:
if not self.ethtool_ignore_errors:
self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj)
else:
pass
@ -286,6 +292,7 @@ class ethtool(moduleBase,utilsBase):
cmd = ('%s -s %s %s' % (utils.ethtool_cmd, ifaceobj.name, cmd))
utils.exec_command(cmd)
except Exception, e:
if not self.ethtool_ignore_errors:
self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj)
def _pre_up(self, ifaceobj, operation='post_up'):
@ -460,6 +467,7 @@ class ethtool(moduleBase,utilsBase):
running_attr = self.read_file_oneline('/sys/class/net/%s/%s' % \
(ifaceobj.name, attr))
except Exception as e:
if not self.ethtool_ignore_errors:
# for nonexistent interfaces, we get an error (rc = 256 or 19200)
self.logger.debug('ethtool: problems calling ethtool or reading'
' /sys/class on iface %s for attr %s: %s' %