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citadel/poky/meta/lib/oeqa/utils/metadata.py

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# Copyright (C) 2016 Intel Corporation
#
# Released under the MIT license (see COPYING.MIT)
#
# Functions to get metadata from the testing host used
# for analytics of test results.
from collections import OrderedDict
from collections.abc import MutableMapping
from xml.dom.minidom import parseString
from xml.etree.ElementTree import Element, tostring
from oe.lsb import get_os_release
from oeqa.utils.commands import runCmd, get_bb_vars
def metadata_from_bb():
""" Returns test's metadata as OrderedDict.
Data will be gathered using bitbake -e thanks to get_bb_vars.
"""
metadata_config_vars = ('MACHINE', 'BB_NUMBER_THREADS', 'PARALLEL_MAKE')
info_dict = OrderedDict()
hostname = runCmd('hostname')
info_dict['hostname'] = hostname.output
data_dict = get_bb_vars()
# Distro information
info_dict['distro'] = {'id': data_dict['DISTRO'],
'version_id': data_dict['DISTRO_VERSION'],
'pretty_name': '%s %s' % (data_dict['DISTRO'], data_dict['DISTRO_VERSION'])}
# Host distro information
os_release = get_os_release()
if os_release:
info_dict['host_distro'] = OrderedDict()
for key in ('ID', 'VERSION_ID', 'PRETTY_NAME'):
if key in os_release:
info_dict['host_distro'][key.lower()] = os_release[key]
info_dict['layers'] = get_layers(data_dict['BBLAYERS'])
info_dict['bitbake'] = git_rev_info(os.path.dirname(bb.__file__))
info_dict['config'] = OrderedDict()
for var in sorted(metadata_config_vars):
info_dict['config'][var] = data_dict[var]
return info_dict
def metadata_from_data_store(d):
""" Returns test's metadata as OrderedDict.
Data will be collected from the provided data store.
"""
# TODO: Getting metadata from the data store would
# be useful when running within bitbake.
pass
def git_rev_info(path):
"""Get git revision information as a dict"""
from git import Repo, InvalidGitRepositoryError, NoSuchPathError
info = OrderedDict()
try:
repo = Repo(path, search_parent_directories=True)
except (InvalidGitRepositoryError, NoSuchPathError):
return info
info['commit'] = repo.head.commit.hexsha
info['commit_count'] = repo.head.commit.count()
try:
info['branch'] = repo.active_branch.name
except TypeError:
info['branch'] = '(nobranch)'
return info
def get_layers(layers):
"""Returns layer information in dict format"""
layer_dict = OrderedDict()
for layer in layers.split():
layer_name = os.path.basename(layer)
layer_dict[layer_name] = git_rev_info(layer)
return layer_dict
def write_metadata_file(file_path, metadata):
""" Writes metadata to a XML file in directory. """
xml = dict_to_XML('metadata', metadata)
xml_doc = parseString(tostring(xml).decode('UTF-8'))
with open(file_path, 'w') as f:
f.write(xml_doc.toprettyxml())
def dict_to_XML(tag, dictionary, **kwargs):
""" Return XML element converting dicts recursively. """
elem = Element(tag, **kwargs)
for key, val in dictionary.items():
if tag == 'layers':
child = (dict_to_XML('layer', val, name=key))
elif isinstance(val, MutableMapping):
child = (dict_to_XML(key, val))
else:
if tag == 'config':
child = Element('variable', name=key)
else:
child = Element(key)
child.text = str(val)
elem.append(child)
return elem