mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
482 lines
16 KiB
Python
482 lines
16 KiB
Python
#!/usr/bin/env python
|
|
|
|
from __future__ import print_function
|
|
|
|
import os
|
|
import re
|
|
import abc
|
|
import ast
|
|
import sys
|
|
import yaml
|
|
import argparse
|
|
import traceback
|
|
|
|
from fnmatch import fnmatch
|
|
from distutils.version import StrictVersion
|
|
|
|
from utils import find_globals
|
|
|
|
from ansible.executor.module_common import REPLACER_WINDOWS
|
|
from ansible.utils.module_docs import get_docstring, BLACKLIST_MODULES
|
|
|
|
from ansible import __version__ as ansible_version
|
|
from ansible.module_utils import basic as module_utils_basic
|
|
|
|
# We only use StringIO, since we cannot setattr on cStringIO
|
|
from StringIO import StringIO
|
|
|
|
|
|
BLACKLIST_DIRS = frozenset(('.git',))
|
|
INDENT_REGEX = re.compile(r'(^[ \t]*)')
|
|
BASIC_RESERVED = frozenset((r for r in dir(module_utils_basic) if r[0] != '_'))
|
|
|
|
|
|
class Validator(object):
|
|
"""Validator instances are intended to be run on a single object. if you
|
|
are scanning multiple objects for problems, you'll want to have a separate
|
|
Validator for each one."""
|
|
__metaclass__ = abc.ABCMeta
|
|
|
|
def __init__(self):
|
|
self.reset()
|
|
|
|
def reset(self):
|
|
"""Reset the test results"""
|
|
self.errors = []
|
|
self.warnings = []
|
|
self.traces = []
|
|
|
|
@abc.abstractproperty
|
|
def object_name(self):
|
|
"""Name of the object we validated"""
|
|
pass
|
|
|
|
@abc.abstractproperty
|
|
def object_path(self):
|
|
"""Path of the object we validated"""
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def validate(self, reset=True):
|
|
"""Run this method to generate the test results"""
|
|
if reset:
|
|
self.reset()
|
|
|
|
def report(self, warnings=False):
|
|
"""Print out the test results"""
|
|
if self.errors or (warnings and self.warnings):
|
|
print('=' * 76)
|
|
print(self.object_path)
|
|
print('=' * 76)
|
|
|
|
ret = []
|
|
|
|
for trace in self.traces:
|
|
print(trace)
|
|
for error in self.errors:
|
|
print('ERROR: %s' % error)
|
|
ret.append(1)
|
|
if warnings:
|
|
for warning in self.warnings:
|
|
print('WARNING: %s' % warning)
|
|
# ret.append(1) # Don't incrememt exit status for warnings
|
|
|
|
if self.errors or (warnings and self.warnings):
|
|
print()
|
|
|
|
return len(ret)
|
|
|
|
|
|
class ModuleValidator(Validator):
|
|
BLACKLIST_PATTERNS = ('.git*', '*.pyc', '*.pyo', '.*', '*.md')
|
|
BLACKLIST_FILES = frozenset(('.git', '.gitignore', '.travis.yml',
|
|
'.gitattributes', '.gitmodules', 'COPYING',
|
|
'__init__.py', 'VERSION', 'test-docs.sh'))
|
|
BLACKLIST = BLACKLIST_FILES.union(BLACKLIST_MODULES)
|
|
|
|
BOTTOM_IMPORTS = frozenset((
|
|
'ansible.module_utils.basic',
|
|
'ansible.module_utils.urls',
|
|
'ansible.module_utils.facts',
|
|
'ansible.module_utils.splitter',
|
|
'ansible.module_utils.known_hosts',
|
|
))
|
|
BOTTOM_IMPORTS_BLACKLIST = frozenset((
|
|
'command.py',
|
|
))
|
|
|
|
PS_DOC_BLACKLIST = frozenset((
|
|
'slurp.ps1',
|
|
'setup.ps1'
|
|
))
|
|
|
|
def __init__(self, path):
|
|
super(ModuleValidator, self).__init__()
|
|
|
|
self.path = path
|
|
self.basename = os.path.basename(self.path)
|
|
self.name, _ = os.path.splitext(self.basename)
|
|
|
|
with open(path) as f:
|
|
self.text = f.read()
|
|
self.length = len(self.text.splitlines())
|
|
try:
|
|
self.ast = ast.parse(self.text)
|
|
except:
|
|
self.ast = None
|
|
|
|
@property
|
|
def object_name(self):
|
|
return self.basename
|
|
|
|
@property
|
|
def object_path(self):
|
|
return self.path
|
|
|
|
def _python_module(self):
|
|
if self.path.endswith('.py'):
|
|
return True
|
|
return False
|
|
|
|
def _powershell_module(self):
|
|
if self.path.endswith('.ps1'):
|
|
return True
|
|
return False
|
|
|
|
def _just_docs(self):
|
|
try:
|
|
for child in self.ast.body:
|
|
if not isinstance(child, ast.Assign):
|
|
return False
|
|
return True
|
|
except AttributeError:
|
|
return False
|
|
|
|
def _is_bottom_import_blacklisted(self):
|
|
return self.object_name in self.BOTTOM_IMPORTS_BLACKLIST
|
|
|
|
def _check_interpreter(self, powershell=False):
|
|
if powershell:
|
|
if not self.text.startswith('#!powershell\n'):
|
|
self.errors.append('Interpreter line is not "#!powershell"')
|
|
return
|
|
|
|
if not self.text.startswith('#!/usr/bin/python'):
|
|
self.errors.append('Interpreter line is not "#!/usr/bin/python"')
|
|
|
|
def _check_for_sys_exit(self):
|
|
if 'sys.exit(' in self.text:
|
|
self.errors.append('sys.exit() call found')
|
|
|
|
def _check_for_gpl3_header(self):
|
|
if ('GNU General Public License' not in self.text and
|
|
'version 3' not in self.text):
|
|
self.errors.append('GPLv3 license header not found')
|
|
|
|
def _check_for_tabs(self):
|
|
for line_no, line in enumerate(self.text.splitlines()):
|
|
indent = INDENT_REGEX.search(line)
|
|
for i in indent.groups():
|
|
if '\t' in i:
|
|
index = line.index('\t')
|
|
self.errors.append('indentation contains tabs. line %d '
|
|
'column %d' % (line_no + 1, index))
|
|
|
|
def _find_json_import(self):
|
|
for child in self.ast.body:
|
|
if isinstance(child, ast.Import):
|
|
for name in child.names:
|
|
if name.name == 'json':
|
|
self.warnings.append('JSON import found, '
|
|
'already provided by '
|
|
'ansible.module_utils.basic')
|
|
|
|
def _find_module_utils(self, main):
|
|
linenos = []
|
|
for child in self.ast.body:
|
|
found_module_utils_import = False
|
|
if isinstance(child, ast.ImportFrom):
|
|
if child.module.startswith('ansible.module_utils.'):
|
|
found_module_utils_import = True
|
|
|
|
if child.module in self.BOTTOM_IMPORTS:
|
|
if (child.lineno < main - 10 and
|
|
not self._is_bottom_import_blacklisted()):
|
|
self.errors.append('%s import not near main()' %
|
|
child.module)
|
|
else:
|
|
self.warnings.append('%s import not near main()' %
|
|
child.module)
|
|
|
|
linenos.append(child.lineno)
|
|
|
|
if not child.names:
|
|
self.errors.append('%s: not a "from" import"' %
|
|
child.module)
|
|
|
|
found_alias = False
|
|
for name in child.names:
|
|
if isinstance(name, ast.alias):
|
|
found_alias = True
|
|
if name.asname or name.name != '*':
|
|
self.errors.append('%s: did not import "*"' %
|
|
child.module)
|
|
|
|
if found_module_utils_import and not found_alias:
|
|
self.errors.append('%s: did not import "*"' % child.module)
|
|
|
|
if not linenos:
|
|
self.errors.append('Did not find a module_utils import')
|
|
|
|
return linenos
|
|
|
|
def _find_main_call(self):
|
|
lineno = False
|
|
if_bodies = []
|
|
for child in self.ast.body:
|
|
if isinstance(child, ast.If):
|
|
try:
|
|
if child.test.left.id == '__name__':
|
|
if_bodies.extend(child.body)
|
|
except AttributeError:
|
|
pass
|
|
|
|
bodies = self.ast.body
|
|
bodies.extend(if_bodies)
|
|
|
|
for child in bodies:
|
|
if isinstance(child, ast.Expr):
|
|
if isinstance(child.value, ast.Call):
|
|
if (isinstance(child.value.func, ast.Name) and
|
|
child.value.func.id == 'main'):
|
|
lineno = child.lineno
|
|
if lineno < self.length - 1:
|
|
self.errors.append('Call to main() not the last '
|
|
'line')
|
|
|
|
if not lineno:
|
|
self.errors.append('Did not find a call to main')
|
|
|
|
return lineno or 0
|
|
|
|
def _find_has_import(self):
|
|
for child in self.ast.body:
|
|
found_try_except_import = False
|
|
found_has = False
|
|
if isinstance(child, ast.TryExcept):
|
|
bodies = child.body
|
|
for handler in child.handlers:
|
|
bodies.extend(handler.body)
|
|
for grandchild in bodies:
|
|
if isinstance(grandchild, ast.Import):
|
|
found_try_except_import = True
|
|
if isinstance(grandchild, ast.Assign):
|
|
for target in grandchild.targets:
|
|
if target.id.lower().startswith('has_'):
|
|
found_has = True
|
|
if found_try_except_import and not found_has:
|
|
self.warnings.append('Found Try/Except block without HAS_ '
|
|
'assginment')
|
|
|
|
def _find_ps_replacers(self):
|
|
if 'WANT_JSON' not in self.text:
|
|
self.errors.append('WANT_JSON not found in module')
|
|
|
|
if REPLACER_WINDOWS not in self.text:
|
|
self.errors.append('"%s" not found in module' % REPLACER_WINDOWS)
|
|
|
|
def _find_ps_docs_py_file(self):
|
|
if self.object_name in self.PS_DOC_BLACKLIST:
|
|
return
|
|
py_path = self.path.replace('.ps1', '.py')
|
|
if not os.path.isfile(py_path):
|
|
self.errors.append('Missing python documentation file')
|
|
|
|
def _find_redeclarations(self):
|
|
g = set()
|
|
find_globals(g, self.ast.body)
|
|
redeclared = BASIC_RESERVED.intersection(g)
|
|
if redeclared:
|
|
self.warnings.append('Redeclared basic.py variable or '
|
|
'function: %s' % ', '.join(redeclared))
|
|
|
|
def _check_version_added(self, doc):
|
|
try:
|
|
version_added = StrictVersion(doc.get('version_added', 0))
|
|
except ValueError:
|
|
self.errors.append('version_added is not a valid version '
|
|
'number: %s' % version_added)
|
|
return
|
|
|
|
strict_ansible_version = StrictVersion(ansible_version)
|
|
should_be = '.'.join(ansible_version.split('.')[:2])
|
|
|
|
if (version_added < strict_ansible_version or
|
|
strict_ansible_version < version_added):
|
|
self.errors.append('version_added should be %s. Currently %s' %
|
|
(should_be, version_added))
|
|
|
|
def validate(self):
|
|
super(ModuleValidator, self).validate()
|
|
|
|
# Blacklists -- these files are not checked
|
|
if not frozenset((self.basename,
|
|
self.name)).isdisjoint(self.BLACKLIST):
|
|
return
|
|
for pat in self.BLACKLIST_PATTERNS:
|
|
if fnmatch(self.basename, pat):
|
|
return
|
|
|
|
# if self._powershell_module():
|
|
# self.warnings.append('Cannot check powershell modules at this '
|
|
# 'time. Skipping')
|
|
# return
|
|
if not self._python_module() and not self._powershell_module():
|
|
self.errors.append('Official Ansible modules must have a .py '
|
|
'extension for python modules or a .ps1 '
|
|
'for powershell modules')
|
|
return
|
|
|
|
if self._python_module() and self.ast is None:
|
|
self.errors.append('Python SyntaxError while parsing module')
|
|
return
|
|
|
|
if self._python_module():
|
|
sys_stdout = sys.stdout
|
|
sys_stderr = sys.stderr
|
|
sys.stdout = sys.stderr = StringIO()
|
|
setattr(sys.stdout, 'encoding', sys_stdout.encoding)
|
|
setattr(sys.stderr, 'encoding', sys_stderr.encoding)
|
|
try:
|
|
doc, examples, ret = get_docstring(self.path, verbose=True)
|
|
trace = None
|
|
except:
|
|
doc, examples, ret = get_docstring(self.path)
|
|
trace = traceback.format_exc()
|
|
finally:
|
|
sys.stdout = sys_stdout
|
|
sys.stderr = sys_stderr
|
|
if trace:
|
|
self.traces.append(trace)
|
|
if not bool(doc):
|
|
self.errors.append('Invalid or no DOCUMENTATION provided')
|
|
else:
|
|
self._check_version_added(doc)
|
|
if not bool(examples):
|
|
self.errors.append('No EXAMPLES provided')
|
|
if not bool(ret):
|
|
self.warnings.append('No RETURN provided')
|
|
else:
|
|
try:
|
|
yaml.safe_load(ret)
|
|
except:
|
|
self.errors.append('RETURN is not valid YAML')
|
|
self.traces.append(traceback.format_exc())
|
|
|
|
if self._python_module() and not self._just_docs():
|
|
self._check_for_sys_exit()
|
|
self._find_json_import()
|
|
main = self._find_main_call()
|
|
self._find_module_utils(main)
|
|
self._find_has_import()
|
|
self._check_for_tabs()
|
|
self._find_redeclarations()
|
|
|
|
if self._powershell_module():
|
|
self._find_ps_replacers()
|
|
self._find_ps_docs_py_file()
|
|
|
|
self._check_for_gpl3_header()
|
|
if not self._just_docs():
|
|
self._check_interpreter(powershell=self._powershell_module())
|
|
|
|
|
|
class PythonPackageValidator(Validator):
|
|
def __init__(self, path):
|
|
super(PythonPackageValidator, self).__init__()
|
|
|
|
self.path = path
|
|
self.basename = os.path.basename(path)
|
|
|
|
@property
|
|
def object_name(self):
|
|
return self.basename
|
|
|
|
@property
|
|
def object_path(self):
|
|
return self.path
|
|
|
|
def validate(self):
|
|
super(PythonPackageValidator, self).validate()
|
|
|
|
init_file = os.path.join(self.path, '__init__.py')
|
|
if not os.path.exists(init_file):
|
|
self.errors.append('Ansible module subdirectories must contain an '
|
|
'__init__.py')
|
|
|
|
|
|
def re_compile(value):
|
|
"""
|
|
Argparse expects things to raise TypeError, re.compile raises an re.error
|
|
exception
|
|
|
|
This function is a shorthand to convert the re.error exception to a
|
|
TypeError
|
|
"""
|
|
|
|
try:
|
|
return re.compile(value)
|
|
except re.error as e:
|
|
raise TypeError(e)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('modules', help='Path to module or module directory')
|
|
parser.add_argument('-w', '--warnings', help='Show warnings',
|
|
action='store_true')
|
|
parser.add_argument('--exclude', help='Regex exclusion pattern',
|
|
type=re_compile)
|
|
args = parser.parse_args()
|
|
|
|
args.modules = args.modules.rstrip('/')
|
|
|
|
exit = []
|
|
|
|
# Allow testing against a single file
|
|
if os.path.isfile(args.modules):
|
|
path = args.modules
|
|
if args.exclude and args.exclude.search(path):
|
|
sys.exit(0)
|
|
mv = ModuleValidator(path)
|
|
mv.validate()
|
|
exit.append(mv.report(args.warnings))
|
|
sys.exit(sum(exit))
|
|
|
|
for root, dirs, files in os.walk(args.modules):
|
|
basedir = root[len(args.modules)+1:].split('/', 1)[0]
|
|
if basedir in BLACKLIST_DIRS:
|
|
continue
|
|
for dirname in dirs:
|
|
if root == args.modules and dirname in BLACKLIST_DIRS:
|
|
continue
|
|
path = os.path.join(root, dirname)
|
|
if args.exclude and args.exclude.search(path):
|
|
continue
|
|
pv = PythonPackageValidator(path)
|
|
pv.validate()
|
|
exit.append(pv.report(args.warnings))
|
|
|
|
for filename in files:
|
|
path = os.path.join(root, filename)
|
|
if args.exclude and args.exclude.search(path):
|
|
continue
|
|
mv = ModuleValidator(path)
|
|
mv.validate()
|
|
exit.append(mv.report(args.warnings))
|
|
|
|
sys.exit(sum(exit))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|