datatracker/ietf/checks.py

385 lines
15 KiB
Python

# Copyright The IETF Trust 2015-2021, All Rights Reserved
# -*- coding: utf-8 -*-
import os
import time
from textwrap import dedent
from typing import List, Tuple # pyflakes:ignore
import debug # pyflakes:ignore
debug.debug = True
from django.conf import settings
from django.core import checks
from django.utils.module_loading import import_string
from django.utils.encoding import force_str
import ietf.utils.patch as patch
checks_run = [] # type: List[str]
def already_ran():
import inspect
outerframe = inspect.currentframe().f_back
name = outerframe.f_code.co_name
if name in checks_run:
return True
else:
checks_run.append(name)
return False
@checks.register('directories')
def check_cdn_directory_exists(app_configs, **kwargs):
"""This checks that the path from which the CDN will serve static files for
this version of the datatracker actually exists. In development and test
mode STATIC_ROOT will normally be just static/, but in production it will be
set to a different part of the file system which is served via CDN, and the
path will contain the datatracker release version.
"""
if already_ran():
return []
#
errors = []
if settings.SERVER_MODE == 'production' and not os.path.exists(settings.STATIC_ROOT):
errors.append(checks.Error(
"The static files directory has not been set up.",
hint="Please run 'ietf/manage.py collectstatic'.",
obj=None,
id='datatracker.E001',
))
return errors
@checks.register('files')
def check_group_email_aliases_exists(app_configs, **kwargs):
from ietf.group.views import check_group_email_aliases
#
if already_ran():
return []
#
errors = []
try:
ok = check_group_email_aliases()
if not ok:
errors.append(checks.Error(
"Found no aliases in the group email aliases file\n'%s'."%settings.GROUP_ALIASES_PATH,
hint="Please run the generate_group_aliases management command to generate them.",
obj=None,
id="datatracker.E0002",
))
except IOError as e:
errors.append(checks.Error(
"Could not read group email aliases:\n %s" % e,
hint="Please run the generate_group_aliases management command to generate them.",
obj=None,
id="datatracker.E0003",
))
return errors
@checks.register('files')
def check_doc_email_aliases_exists(app_configs, **kwargs):
from ietf.doc.views_doc import check_doc_email_aliases
#
if already_ran():
return []
#
errors = []
try:
ok = check_doc_email_aliases()
if not ok:
errors.append(checks.Error(
"Found no aliases in the document email aliases file\n'%s'."%settings.DRAFT_VIRTUAL_PATH,
hint="Please run the generate_draft_aliases management command to generate them.",
obj=None,
id="datatracker.E0004",
))
except IOError as e:
errors.append(checks.Error(
"Could not read document email aliases:\n %s" % e,
hint="Please run the generate_draft_aliases management command to generate them.",
obj=None,
id="datatracker.E0005",
))
return errors
@checks.register('directories')
def check_id_submission_directories(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for s in ("IDSUBMIT_STAGING_PATH", "IDSUBMIT_REPOSITORY_PATH", "INTERNET_DRAFT_ARCHIVE_DIR", ):
p = getattr(settings, s)
if not os.path.exists(p):
errors.append(checks.Critical(
"A directory used by the ID submission tool does not\n"
"exist at the path given in the settings file. The setting is:\n"
" %s = %s" % (s, p),
hint = ("Please either update the local settings to point at the correct\n"
"\tdirectory, or if the setting is correct, create the indicated directory.\n"),
id = "datatracker.E0006",
))
return errors
@checks.register('files')
def check_id_submission_files(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for s in ("IDSUBMIT_IDNITS_BINARY", ):
p = getattr(settings, s)
if not os.path.exists(p):
errors.append(checks.Critical(
"A file used by the ID submission tool does not exist\n"
"at the path given in the settings file. The setting is:\n"
" %s = %s" % (s, p),
hint = ("Please either update the local settings to point at the correct\n"
"\tfile, or if the setting is correct, make sure the file is in place and\n"
"\thas the right permissions.\n"),
id = "datatracker.E0007",
))
return errors
@checks.register('directories')
def check_yang_model_directories(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for s in ("SUBMIT_YANG_RFC_MODEL_DIR", "SUBMIT_YANG_DRAFT_MODEL_DIR", "SUBMIT_YANG_IANA_MODEL_DIR", "SUBMIT_YANG_CATALOG_MODEL_DIR",):
p = getattr(settings, s)
if not os.path.exists(p):
errors.append(checks.Critical(
"A directory used by the yang validation tools does\n"
"not exist at the path gvien in the settings file. The setting is:\n"
" %s = %s" % (s, p),
hint = ("Please either update your local settings to point at the correct\n"
"\tdirectory, or if the setting is correct, create the indicated directory.\n"),
id = "datatracker.E0017",
))
return errors
@checks.register('submission-checkers')
def check_id_submission_checkers(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for checker_path in settings.IDSUBMIT_CHECKER_CLASSES:
try:
checker_class = import_string(checker_path)
except Exception as e:
errors.append(checks.Critical(
"An exception was raised when trying to import the\n"
"draft submission checker class '%s':\n %s" % (checker_path, e),
hint = "Please check that the class exists and can be imported.\n",
id = "datatracker.E0008",
))
try:
checker = checker_class()
except Exception as e:
errors.append(checks.Critical(
"An exception was raised when trying to instantiate\n"
"the draft submission checker class '%s':\n %s" % (checker_path, e),
hint = "Please check that the class can be instantiated.\n",
id = "datatracker.E0009",
))
continue
for attr in ('name',):
if not hasattr(checker, attr):
errors.append(checks.Critical(
"The draft submission checker\n '%s'\n"
"has no attribute '%s', which is required" % (checker_path, attr),
hint = "Please update the class.\n",
id = "datatracker.E0010",
))
checker_methods = ("check_file_txt", "check_file_xml", "check_fragment_txt", "check_fragment_xml", )
for method in checker_methods:
if hasattr(checker, method):
break
else:
errors.append(checks.Critical(
"The draft submission checker\n '%s'\n"
" has no recognised checker method; "
"should be one or more of %s." % (checker_path, checker_methods),
hint = "Please update the class.\n",
id = "datatracker.E0011",
))
return errors
@checks.register('directories')
def check_media_directories(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for s in ("PHOTOS_DIR", ):
p = getattr(settings, s)
if not os.path.exists(p):
errors.append(checks.Critical(
"A directory used for media uploads and serves does\n"
"not exist at the path given in the settings file. The setting is:\n"
" %s = %s" % (s, p),
hint = ("Please either update the local settings to point at the correct\n"
"\tdirectory, or if the setting is correct, create the indicated directory.\n"),
id = "datatracker.E0012",
))
return errors
@checks.register('directories')
def check_proceedings_directories(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
for s in ("AGENDA_PATH", ):
p = getattr(settings, s)
if not os.path.exists(p):
errors.append(checks.Critical(
"A directory used for meeting materials does not\n"
"exist at the path given in the settings file. The setting is:\n"
" %s = %s" % (s, p),
hint = ("Please either update the local settings to point at the correct\n"
"\tdirectory, or if the setting is correct, create the indicated directory.\n"),
id = "datatracker.E0013",
))
return errors
@checks.register('cache')
def check_cache(app_configs, **kwargs):
#
if already_ran():
return []
#
errors = []
if settings.SERVER_MODE == 'production':
from django.core.cache import cache
def cache_error(msg, errnum):
return checks.Warning(
( "A cache test failed with the message:\n '%s'.\n"
"This indicates that the cache is unavailable or not working as expected.\n"
"It will impact performance, but isn't fatal. The default cache is:\n"
" CACHES['default']['BACKEND'] = %s") % (
msg,
settings.CACHES["default"]["BACKEND"],
),
hint = "Please check that the configured cache backend is available.\n",
id = "datatracker.%s" % errnum,
)
cache_key = "checks:check_cache"
val = os.urandom(32)
wait = 1
cache.set(cache_key, val, wait)
if not cache.get(cache_key) == val:
errors.append(cache_error("Could not get value from cache", "E0014"))
time.sleep(wait+1)
# should have timed out
if cache.get(cache_key) == val:
errors.append(cache_error("Cache value didn't time out", "E0015"))
cache.set(cache_key, val, settings.SESSION_COOKIE_AGE)
if not cache.get(cache_key) == val:
errors.append(cache_error("Cache didn't accept session cookie age", "E0016"))
return errors
@checks.register('files')
def maybe_patch_library(app_configs, **kwargs):
errors = []
# Change path to our copy of django (this assumes we're running in a
# virtualenv, which we should)
import os, django, sys
django_path = os.path.dirname(django.__file__)
library_path = os.path.dirname(django_path)
top_dir = os.path.dirname(settings.BASE_DIR)
# All patches in settings.CHECKS_LIBRARY_PATCHES_TO_APPLY must have a
# relative file path rooted in the django dir, for instance
# 'django/db/models/fields/__init__.py'
for patch_file in settings.CHECKS_LIBRARY_PATCHES_TO_APPLY:
try:
patch_path = os.path.join(top_dir, patch_file)
patch_set = patch.fromfile(patch_path)
if patch_set:
if not patch_set.apply(root=library_path.encode('utf-8')):
errors.append(checks.Warning(
"Could not apply patch from file '%s'"%patch_file,
hint=("Make sure that the patch file contains a unified diff and has valid file paths\n\n"
"\tPatch root: %s\n"
"\tTarget files: %s\n") % (library_path, ', '.join(force_str(i.target) for i in patch_set.items)),
id="datatracker.W0002",
))
else:
# Patch succeeded or was a no-op
if (not patch_set.already_patched
and settings.SERVER_MODE != 'production'
and sys.argv[1] != 'check'):
errors.append(
checks.Error("Found an unpatched file, and applied the patch in %s" % (patch_file),
hint="You will need to re-run the command now that the patch in place.",
id="datatracker.E0022",
)
)
else:
errors.append(checks.Warning(
"Could not parse patch file '%s'"%patch_file,
hint="Make sure that the patch file contains a unified diff",
id="datatracker.W0001",
))
except IOError as e:
errors.append(
checks.Warning("Could not apply patch from %s: %s" % (patch_file, e),
hint="Check file permissions and locations",
id="datatracker.W0003",
)
)
pass
return errors
@checks.register('security')
def check_api_key_in_local_settings(app_configs, **kwargs):
errors = []
import ietf.settings_local
if settings.SERVER_MODE == 'production':
if not ( hasattr(ietf.settings_local, 'API_PUBLIC_KEY_PEM')
and hasattr(ietf.settings_local, 'API_PRIVATE_KEY_PEM')):
errors.append(checks.Critical(
"There are no API key settings in your settings_local.py",
hint = dedent("""
You are running in production mode, and need API key settings that are
different than the default settings. Please add settings for
API_PUBLIC_KEY_PEM and API_PRIVATE_KEY_PEM to your settings local. The
content should be matching public and private keys in PEM format. You
can generate a suitable keypair with 'ssh-keygen -f apikey.pem', and then
extract the public key with 'openssl rsa -in apikey.pem -pubout > apikey.pub'.
""").replace('\n', '\n ').rstrip(),
id = "datatracker.E0020",
))
elif not ( ietf.settings_local.API_PUBLIC_KEY_PEM == settings.API_PUBLIC_KEY_PEM
and ietf.settings_local.API_PRIVATE_KEY_PEM == settings.API_PRIVATE_KEY_PEM ):
errors.append(checks.Critical(
"Your API key settings in your settings_local.py are not picked up in settings.",
hint = dedent("""
You are running in production mode, and need API key settings which are
different than the default settings. You seem to have API key settings
in settings_local.py, but they don't seem to propagate to django.conf.settings.
Please check if you have multiple settings_local.py files.
""").replace('\n', '\n ').rstrip(),
id = "datatracker.E0021",
))
return errors