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Diffstat (limited to 'lib/project_sdk.py')
| -rw-r--r-- | lib/project_sdk.py | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/lib/project_sdk.py b/lib/project_sdk.py deleted file mode 100644 index e547a5fa6..000000000 --- a/lib/project_sdk.py +++ /dev/null @@ -1,160 +0,0 @@ -# Copyright 2015 The Chromium OS Authors. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. - -"""Common utilities for working with Project SDK.""" - -from __future__ import print_function - -import os -import re -import stat - -from chromite.cbuildbot import constants -from chromite.lib import cros_build_lib -from chromite.lib import cros_logging as logging -from chromite.lib import osutils -from chromite.lib import workspace_lib - - -def FindRepoRoot(sdk_dir=None): - """Locate the SDK root directly by looking for .repo dir. - - This is very similar to constants.SOURCE_ROOT, except that it can operate - against repo checkouts outside our current code base. - - CAUTION! Using SDKs from directories other than the default is likely to - break assumptions that our tools are built upon. As a rule of thumb, do not - expose this argument externally unless you know what you're doing. - - Args: - sdk_dir: Path of the SDK, or any dir inside it. None defaults to - constants.SOURCE_ROOT. - - Returns: - Root dir of SDK, or None. - """ - if sdk_dir is None: - return constants.SOURCE_ROOT - - # Make sure we're looking at an actual directory. - if not os.path.isdir(sdk_dir): - return None - - # Find the .repo directory and return the path leading up to it, if found. - repo_dir = osutils.FindInPathParents('.repo', os.path.abspath(sdk_dir), - test_func=os.path.isdir) - return os.path.dirname(repo_dir) if repo_dir else None - - -def VersionFile(sdk_dir): - return os.path.join(sdk_dir, 'SDK_VERSION') - - -def FindVersion(sdk_dir=None): - """Find the version of a given SDK. - - If the SDK was fetched by any means other than "brillo sdk" then it will - always appear to be 'non-official', even if an official manifest was used. - - Args: - sdk_dir: path to the SDK, or any of its sub directories. - - Returns: - The version of your SDK as a string. '6500.0.0' - None if the directory doesn't appear to be an SDK. - """ - sdk_root = FindRepoRoot(sdk_dir) - if sdk_root is None: - return None - - v_file = VersionFile(sdk_root) - return osutils.ReadFile(v_file) if os.path.exists(v_file) else None - - -def _GetExecutableVersion(cmd, version_arg='--version'): - """Gets an executable version string using |version_flag|. - - Args: - cmd: Executable to check (for example, '/bin/bash'). - version_arg: Argument to get |cmd| to print its version. - - Returns: - Output string or None if the program doesn't exist or gave a - non-zero exit code. - """ - try: - return cros_build_lib.RunCommand( - [cmd, version_arg], print_cmd=False, capture_output=True).output - except cros_build_lib.RunCommandError: - return None - - -def VerifyEnvironment(workspace_path=None): - """Verify the environment we are installed to. - - Disk permissions are only verified if a workspace path is provided. - - Args: - workspace_path: Root directory of the workspace or None. - - Returns: - boolean: True if the environment looks friendly. - """ - result = True - - # Verify Python: - # We assume the python environment is acceptable, because we got here. - # However, we can add imports here to check for any required external - # packages. - - # Verify executables that just need to exist. - for cmd in ('/bin/bash', 'curl'): - if _GetExecutableVersion(cmd) is None: - logging.error('%s is required to use the SDK.', cmd) - result = False - - # Verify Git version. - git_requirement_message = 'git 1.8 or greater is required to use the SDK.' - git_version = _GetExecutableVersion('git') - if git_version is None: - logging.error(git_requirement_message) - result = False - - # Example version string: 'git version 2.2.0.rc0.207.ga3a616c'. - m = re.match(r'git version (\d+)\.(\d+)', git_version) - if not m: - logging.error(git_requirement_message) - logging.error("git version not recognized from: '%s'.", git_version) - result = False - else: - gv_int_list = [int(d) for d in m.groups()] # Something like [2, 3] - if gv_int_list < [1, 8]: - logging.error(git_requirement_message) - logging.error("Current version: '%s'.", git_version) - result = False - - # If a workspace path is provided, validate chroot requirements. - if workspace_path: - chroot_dir = workspace_lib.ChrootPath(workspace_path) - - # Create a file with the suid bit set. - suid_file = os.path.join(chroot_dir, 'suid_test') - try: - # Create a file with the SUID set for the owner. - osutils.Touch(suid_file, makedirs=True, mode=stat.S_ISUID) - - # See if the SUID bit will be respected, or ignored. - st = os.statvfs(suid_file) - - # The os.ST_NOSUID constant wasn't added until python-3.2. - if st.f_flag & 0x2: - logging.error( - 'Your current chroot directory (%s) does not support the SUID bit,' - ' which is required. You can move the chroot to a new location' - ' using "brillo chroot --move <new_dir>"', chroot_dir) - result = False - finally: - osutils.SafeUnlink(suid_file) - - return result |