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Code Issues Projects Releases Packages Wiki Activity Actions 9

nso_config work around ordering issues (#36774)

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Include dependencies when sorting entries to avoid issues with certain
versions of NSO.
This commit is contained in:
Claes Nästén 2018-02-27 16:22:57 +01:00 • committed by John R Barker
commit e75989ec88
2 changed files with 162 additions and 17 deletions
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73
lib/ansible/module_utils/network/nso/nso.py
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@ -273,13 +273,17 @@ class JsonRpc(object):
class ValueBuilder(object):
class Value(object):
__slots__ = ['path', 'state', 'value']
PATH_RE = re.compile('{[^}]*}')
def __init__(self, path, state, value):
class Value(object):
__slots__ = ['path', 'tag_path', 'state', 'value', 'deps']
def __init__(self, path, state, value, deps):
self.path = path
self.tag_path = ValueBuilder.PATH_RE.sub('', path)
self.state = state
self.value = value
self.deps = deps
def __lt__(self, rhs):
l_len = len(self.path.split('/'))
@ -298,7 +302,6 @@ class ValueBuilder(object):
self._module_prefix_map_cache = None
self._values = []
self._values_dirty = False
self._path_re = re.compile('{[^}]*}')
def build(self, parent, maybe_qname, value, schema=None):
qname, name = self._get_prefix_name(maybe_qname)
@ -313,17 +316,18 @@ class ValueBuilder(object):
if self._is_leaf_list(schema) and is_version(self._client, [(4, 5)]):
self._build_leaf_list(path, schema, value)
elif self._is_leaf(schema):
deps = schema.get('deps', [])
if self._is_empty_leaf(schema):
exists = self._client.exists(path)
if exists and value != [None]:
self._add_value(path, State.ABSENT, None)
self._add_value(path, State.ABSENT, None, deps)
elif not exists and value == [None]:
self._add_value(path, State.PRESENT, None)
self._add_value(path, State.PRESENT, None, deps)
else:
if maybe_qname is None:
value_type = self._get_type(path)
else:
value_type = self._get_child_type(parent, maybe_qname)
value_type = self._get_child_type(parent, qname)
if 'identityref' in value_type:
if isinstance(value, list):
@ -331,7 +335,7 @@ class ValueBuilder(object):
in [self._get_prefix_name(v) for v in value]]
else:
value, t_value = self._get_prefix_name(value)
self._add_value(path, State.SET, value)
self._add_value(path, State.SET, value, deps)
elif isinstance(value, dict):
self._build_dict(path, schema, value)
elif isinstance(value, list):
@ -344,11 +348,44 @@ class ValueBuilder(object):
@property
def values(self):
if self._values_dirty:
self._values.sort()
self._values = self._sort_values(sorted(self._values))
self._values_dirty = False
return self._values
def _sort_values(self, values):
class N(object):
def __init__(self, v):
self.tmp_mark = False
self.mark = False
self.v = v
sorted_values = []
nodes = [N(v) for v in values]
def visit(n):
if n.tmp_mark:
return False
if not n.mark:
n.tmp_mark = True
for m in nodes:
if m.v.tag_path in n.v.deps:
if not visit(m):
return False
n.tmp_mark = False
n.mark = True
sorted_values.insert(0, n.v)
return True
while any((not n.mark for n in nodes)):
n = next((node for node in nodes if not node.mark))
visit(n)
return sorted_values[::-1]
def _build_dict(self, path, schema, value):
keys = schema.get('key', [])
for dict_key, dict_value in value.items():
@ -360,18 +397,20 @@ class ValueBuilder(object):
self.build(path, dict_key, dict_value, child_schema)
def _build_leaf_list(self, path, schema, value):
deps = schema.get('deps', [])
entry_type = self._get_type(path, schema)
# remove leaf list if treated as a list and then re-create the
# expected list entries.
self._add_value(path, State.ABSENT, None)
self._add_value(path, State.ABSENT, None, deps)
for entry in value:
if 'identityref' in entry_type:
entry, t_entry = self._get_prefix_name(entry)
entry_path = '{0}{{{1}}}'.format(path, entry)
self._add_value(entry_path, State.PRESENT, None)
self._add_value(entry_path, State.PRESENT, None, deps)
def _build_list(self, path, schema, value):
deps = schema.get('deps', [])
for entry in value:
entry_key = self._build_key(path, entry, schema['key'])
entry_path = '{0}{{{1}}}'.format(path, entry_key)
@ -380,12 +419,12 @@ class ValueBuilder(object):
if entry_state == 'absent':
if entry_exists:
self._add_value(entry_path, State.ABSENT, None)
self._add_value(entry_path, State.ABSENT, None, deps)
else:
if not entry_exists:
self._add_value(entry_path, State.PRESENT, None)
self._add_value(entry_path, State.PRESENT, None, deps)
if entry_state in State.SYNC_STATES:
self._add_value(entry_path, entry_state, None)
self._add_value(entry_path, entry_state, None, deps)
self.build(entry_path, None, entry)
@ -439,8 +478,8 @@ class ValueBuilder(object):
'no child in {0} with name {1}. children {2}'.format(
path, qname, ','.join((c.get('qname', c.get('name', None)) for c in schema['children']))))
def _add_value(self, path, state, value):
self._values.append(ValueBuilder.Value(path, state, value))
def _add_value(self, path, state, value, deps):
self._values.append(ValueBuilder.Value(path, state, value, deps))
self._values_dirty = True
def _get_prefix_name(self, qname):
@ -496,7 +535,7 @@ class ValueBuilder(object):
return None
def _ensure_schema_cached(self, path):
path = self._path_re.sub('', path)
path = ValueBuilder.PATH_RE.sub('', path)
if path not in self._schema_cache:
schema = self._client.get_schema(path=path, levels=1)
self._schema_cache[path] = schema