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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 distro_identifier
from oeqa.utils.commands import runCmd, get_bb_var, get_bb_vars
metadata_vars = ['MACHINE', 'DISTRO', 'DISTRO_VERSION']
def metadata_from_bb():
""" Returns test's metadata as OrderedDict.
Data will be gathered using bitbake -e thanks to get_bb_vars.
"""
info_dict = OrderedDict()
hostname = runCmd('hostname')
info_dict['hostname'] = hostname.output
data_dict = get_bb_vars(metadata_vars)
for var in metadata_vars:
info_dict[var.lower()] = data_dict[var]
host_distro= distro_identifier()
host_distro, _, host_distro_release = host_distro.partition('-')
info_dict['host_distro'] = host_distro
info_dict['host_distro_release'] = host_distro_release
info_dict['layers'] = get_layers(get_bb_var('BBLAYERS'))
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 get_layers(layers):
""" Returns layer name, branch, and revision as OrderedDict. """
from git import Repo, InvalidGitRepositoryError, NoSuchPathError
layer_dict = OrderedDict()
for layer in layers.split():
layer_name = os.path.basename(layer)
layer_dict[layer_name] = OrderedDict()
try:
repo = Repo(layer, search_parent_directories=True)
revision, branch = repo.head.object.name_rev.split()
layer_dict[layer_name]['branch'] = branch
layer_dict[layer_name]['revision'] = revision
except (InvalidGitRepositoryError, NoSuchPathError):
layer_dict[layer_name]['branch'] = 'unknown'
layer_dict[layer_name]['revision'] = 'unknown'
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):
""" Return XML element converting dicts recursively. """
elem = Element(tag)
for key, val in dictionary.items():
if isinstance(val, MutableMapping):
child = (dict_to_XML(key, val))
else:
child = Element(key)
child.text = str(val)
elem.append(child)
return elem
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