118 lines
4.4 KiB
Python
Executable File
118 lines
4.4 KiB
Python
Executable File
# Copyright (C) 2020-present MongoDB, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the Server Side Public License, version 1,
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# as published by MongoDB, Inc.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# Server Side Public License for more details.
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#
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# You should have received a copy of the Server Side Public License
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# along with this program. If not, see
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# <http://www.mongodb.com/licensing/server-side-public-license>.
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#
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# As a special exception, the copyright holders give permission to link the
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# code of portions of this program with the OpenSSL library under certain
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# conditions as described in each individual source file and distribute
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# linked combinations including the program with the OpenSSL library. You
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# must comply with the Server Side Public License in all respects for
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# all of the code used other than as permitted herein. If you modify file(s)
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# with this exception, you may extend this exception to your version of the
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# file(s), but you are not obligated to do so. If you do not wish to do so,
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# delete this exception statement from your version. If you delete this
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# exception statement from all source files in the program, then also delete
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# it in the license file.
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"""
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Generate a file containing a list of disabled feature flags.
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Used by resmoke.py to run only feature flag tests.
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"""
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import os
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import sys
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from typing import List
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import typer
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import yaml
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# Permit imports from "buildscripts".
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sys.path.append(os.path.normpath(os.path.join(os.path.abspath(__file__), "../../..")))
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from buildscripts.idl import lib
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from buildscripts.idl.idl import binder, parser
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def get_all_feature_flags(idl_dirs: List[str] = None):
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"""Generate a dict of all feature flags with their default value."""
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default_idl_dirs = ["src", "buildscripts"]
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if not idl_dirs:
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idl_dirs = default_idl_dirs
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all_flags = {}
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for idl_dir in idl_dirs:
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for idl_path in sorted(lib.list_idls(idl_dir)):
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if lib.is_third_party_idl(idl_path):
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continue
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# Most IDL files do not contain feature flags.
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# We can discard these quickly without expensive YAML parsing.
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with open(idl_path) as idl_file:
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if "feature_flags" not in idl_file.read():
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continue
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with open(idl_path) as idl_file:
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doc = parser.parse_file(idl_file, idl_path)
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for feature_flag in doc.spec.feature_flags:
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all_flags[feature_flag.name] = (
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"true" if binder.is_feature_flag_enabled_by_default(feature_flag) else "false"
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)
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return all_flags
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def get_all_feature_flags_turned_on_by_default(idl_dirs: List[str] = None):
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"""Generate a list of all feature flags that default to true."""
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all_flags = get_all_feature_flags(idl_dirs)
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return [flag for flag in all_flags if all_flags[flag] == "true"]
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def get_all_feature_flags_turned_off_by_default(idl_dirs: List[str] = None):
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"""Generate a list of all feature flags that default to false."""
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all_flags = get_all_feature_flags(idl_dirs)
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all_default_false_flags = [flag for flag in all_flags if all_flags[flag] != "true"]
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with open("buildscripts/resmokeconfig/fully_disabled_feature_flags.yml") as fully_disabled_ffs:
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force_disabled_flags = yaml.safe_load(fully_disabled_ffs)
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return list(set(all_default_false_flags) - set(force_disabled_flags))
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def write_feature_flags_to_file(flags: List[str], filename: str):
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"""Helper function to write feature flags to a file."""
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with open(filename, "w") as output_file:
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output_file.write("\n".join(flags))
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print(f"Generated: {os.path.realpath(output_file.name)}")
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cli = typer.Typer()
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@cli.command("turned-off-by-default")
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def turned_off_by_default(filename: str = "all_feature_flags.txt"):
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"""Generate a list of feature flags that default to OFF."""
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flags = get_all_feature_flags_turned_off_by_default()
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write_feature_flags_to_file(flags, filename)
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@cli.command("turned-on-by-default")
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def turned_on_by_default(filename: str = "all_feature_flags.txt"):
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"""Generate a list of feature flags that default to ON."""
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flags = get_all_feature_flags_turned_on_by_default()
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write_feature_flags_to_file(flags, filename)
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if __name__ == "__main__":
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cli()
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