def diff(self,
steps,
section,
name,
device,
pre,
post,
alias=None,
continue_=True,
fail_different=False,
command=None,
exclude=None,
processor='',
health_uids=None,
health_groups=None,
health_sections=None,
feature=None,
mode=None,
**kwargs):
msg = kwargs.pop('custom_substep_message',
"Perform Diff for '{device}'".format(device=device.name))
with steps.start(msg, continue_=continue_) as step:
exclude_items = _get_exclude(command, device)
# if feature is given, get exclude from the Ops
if feature:
try:
exclude_items.extend(get_ops_exclude(feature, device))
except LookupError:
log.warning(
"No Ops for {feature} was found. Couldn't retrieve exclude list."
.format(feature=feature))
# check given mode
if mode and mode not in ['add', 'remove', 'modified']:
log.warning(
"Wrong mode '{mode}' was given. Ignored.".format(mode=mode))
if exclude and isinstance(exclude, list):
exclude_items.extend(exclude)
log.debug('exclude: {exclude}'.format(exclude=exclude_items))
try:
diff = Diff(pre, post, exclude=exclude_items, mode=mode)
except Exception as e:
step.failed(str(e))
diff.findDiff()
# check content of diff
if str(diff):
log.info(diff)
if fail_different:
step.failed('{pre} and {post} are not '
'identical'.format(pre=pre, post=post))
else:
step.passed('{pre} and {post} are identical'.format(pre=pre,
post=post))
def _get_exclude(command, device):
exclude = None
if command:
try:
# Try parser
return get_parser_exclude(command, device)
except Exception:
pass
try:
# Try ops
return get_ops_exclude(command, device)
except Exception:
pass
return []