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#
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
from vts.utils.python.common import cmd_utils
def GetGsutilPath():
"""Finds gsutil in PATH.
Instead of a Python library, gsutil binary is used to avoid packaging GCS
PIP package as part of VTS HC (Host Controller).
Returns:
The gsutil file path if found; None otherwise.
"""
sh_stdout, sh_stderr, ret_code = cmd_utils.ExecuteOneShellCommand(
"which gsutil")
if ret_code == 0:
return sh_stdout.strip()
else:
logging.fatal("`gsutil` doesn't exist on the host; "
"please install Google Cloud SDK before retrying.")
return None
def IsGcsFile(gsutil_path, url):
"""Checks whether a given path is for a GCS file.
Args:
gsutil_path: string, the path of a gsutil binary.
url: string, the GCS URL. e.g., gs://<bucket>/<file>.
Returns:
True if url is a file, False otherwise.
"""
check_command = "%s stat %s" % (gsutil_path, url)
_, _, ret_code = cmd_utils.ExecuteOneShellCommand(check_command)
return ret_code == 0
def Copy(gsutil_path, src_urls, dst_url):
"""Copies files between local file system and GCS.
Args:
gsutil_path: string, the path of a gsutil binary.
src_urls: string, the source paths or GCS URLs separated by spaces.
dst_url: string, the destination path or GCS URL.
Returns:
True if the command succeeded, False otherwise.
"""
copy_command = "%s cp %s %s" % (gsutil_path, src_urls, dst_url)
_, _, ret_code = cmd_utils.ExecuteOneShellCommand(copy_command)
return ret_code == 0
def List(gsutil_path, url):
"""Lists a directory or file on GCS.
Args:
gsutil_path: string, the path of a gsutil binary.
url: string, the GCS URL of the directory or file.
Returns:
list of strings, the GCS URLs of the listed files.
"""
ls_command = "%s ls %s" % (gsutil_path, url)
stdout, _, ret_code = cmd_utils.ExecuteOneShellCommand(ls_command)
return stdout.strip("\n").split("\n") if ret_code == 0 else []
def Remove(gsutil_path, url, recursive=False):
"""Removes a directory or file on GCS.
Args:
gsutil_path: string, the path of a gsutil binary.
url: string, the GCS URL of the directory or file.
recursive: boolean, whether to remove the directory recursively.
Returns:
True if the command succeeded, False otherwise.
"""
if "/" not in url.lstrip("gs://").rstrip("/"):
logging.error("Cannot remove bucket %s", url)
return False
rm_command = "%s rm -f%s %s" % (
gsutil_path, ("r" if recursive else ""), url)
ret_code = cmd_utils.ExecuteOneShellCommand(rm_command)
return ret_code == 0
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