+
+
+def read_meminfo(ssh_client):
+ """Read "/proc/meminfo" file and parse all keys and values"""
+
+ cpuinfo = six.BytesIO()
+ ssh_client.get_file_obj('/proc/meminfo', cpuinfo)
+ lines = cpuinfo.getvalue().decode('utf-8')
+ matches = re.findall(r"([\w\(\)]+):\s+(\d+)( kB)*", lines)
+ output = {}
+ for match in matches:
+ output[match[0]] = match[1]
+
+ return output
+
+
+def find_relative_file(path, task_path):
+ """
+ Find file in one of places: in abs of path or relative to a directory path,
+ in this order.
+
+ :param path:
+ :param task_path:
+ :return str: full path to file
+ """
+ # fixme: create schema to validate all fields have been provided
+ for lookup in [os.path.abspath(path), os.path.join(task_path, path)]:
+ try:
+ with open(lookup):
+ return lookup
+ except IOError:
+ pass
+ raise IOError(errno.ENOENT, 'Unable to find {} file'.format(path))
+
+
+def open_relative_file(path, task_path):
+ try:
+ return open(path)
+ except IOError as e:
+ if e.errno == errno.ENOENT:
+ return open(os.path.join(task_path, path))
+ raise