salt/tasks/loader.py

141 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
"""
tasks.loader
~~~~~~~~~~~~
Salt loader checks
"""
import ast
import pathlib
from invoke import task # pylint: disable=3rd-party-module-not-gated
from tasks import utils
CODE_DIR = pathlib.Path(__file__).resolve().parent.parent
SALT_CODE_DIR = CODE_DIR / "salt"
@task(iterable=["files"], positional=["files"])
def check_virtual(ctx, files):
"""
Check Salt loader modules for a defined `__virtualname__` attribute and `__virtual__` function.
This is meant to replace:
https://github.com/saltstack/salt/blob/27ae8260983b11fe6e32a18e777d550be9fe1dc2/tests/unit/test_virtualname.py
"""
# CD into Salt's repo root directory
ctx.cd(CODE_DIR)
# Unfortunately invoke does not support nargs.
# We migth have been passed --files="foo.py bar.py"
# Turn that into a list of paths
_files = []
for path in files:
if not path:
continue
_files.extend(path.split())
if not _files:
_files = SALT_CODE_DIR.rglob("*.py")
else:
_files = [pathlib.Path(fname) for fname in _files]
_files = [path.resolve() for path in _files]
salt_loaders = (
CODE_DIR / "salt" / "modules",
CODE_DIR / "salt" / "metaproxy",
CODE_DIR / "salt" / "matchers",
CODE_DIR / "salt" / "engines",
CODE_DIR / "salt" / "proxy",
CODE_DIR / "salt" / "returners",
CODE_DIR / "salt" / "utils",
CODE_DIR / "salt" / "pillar",
CODE_DIR / "salt" / "tops",
CODE_DIR / "salt" / "wheel",
CODE_DIR / "salt" / "output",
CODE_DIR / "salt" / "serializers",
CODE_DIR / "salt" / "tokens",
CODE_DIR / "salt" / "auth",
CODE_DIR / "salt" / "fileserver",
CODE_DIR / "salt" / "roster",
CODE_DIR / "salt" / "thorium",
CODE_DIR / "salt" / "states",
CODE_DIR / "salt" / "beacons",
CODE_DIR / "salt" / "log" / "handlers",
CODE_DIR / "salt" / "client" / "ssh",
CODE_DIR / "salt" / "renderers",
CODE_DIR / "salt" / "grains",
CODE_DIR / "salt" / "runners",
CODE_DIR / "salt" / "queues",
CODE_DIR / "salt" / "sdb",
CODE_DIR / "salt" / "spm" / "pkgdb",
CODE_DIR / "salt" / "spm" / "pkgfiles",
CODE_DIR / "salt" / "cloud" / "clouds",
CODE_DIR / "salt" / "netapi",
CODE_DIR / "salt" / "executors",
CODE_DIR / "salt" / "cache",
)
# This is just internal task checking
for loader in salt_loaders:
if not pathlib.Path(loader).is_dir():
utils.error("The {} path is not a directory", loader)
errors = 0
exitcode = 0
for path in _files:
strpath = str(path)
if strpath.endswith("__init__.py"):
continue
for loader in salt_loaders:
try:
path.relative_to(loader)
break
except ValueError:
# Path doesn't start with the loader path, carry on
continue
module = ast.parse(path.read_text(), filename=strpath)
found_virtual_func = False
for funcdef in [
node for node in module.body if isinstance(node, ast.FunctionDef)
]:
if funcdef.name == "__virtual__":
found_virtual_func = True
break
if not found_virtual_func:
# If the module does not define a __virtual__() function, we don't require a __virtualname__ attribute
continue
found_virtualname_attr = False
for node in module.body:
if isinstance(node, ast.Assign):
if not found_virtualname_attr:
for target in node.targets:
if not isinstance(target, ast.Name):
continue
if target.id == "__virtualname__":
found_virtualname_attr = True
if node.value.s not in path.name:
errors += 1
exitcode = 1
utils.error(
'The value of the __virtualname__ attribute, "{}" is not part of {}',
node.value.s,
path.name,
)
if found_virtualname_attr:
break
if not found_virtualname_attr:
errors += 1
exitcode = 1
utils.error(
"The salt loader module {} defines a __virtual__() function but does not define a "
"__virtualname__ attribute",
path.relative_to(CODE_DIR),
)
if exitcode:
utils.error("Found {} errors", errors)
utils.exit_invoke(exitcode)