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-rw-r--r--resources/tools/presentation/input_data_files.py312
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diff --git a/resources/tools/presentation/input_data_files.py b/resources/tools/presentation/input_data_files.py
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-# Copyright (c) 2023 Cisco and/or its affiliates.
-# 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.
-
-"""Inputs
-Download all data.
-"""
-
-import re
-import logging
-import gzip
-
-from os import rename, mkdir
-from os.path import join
-from http.client import responses, HTTPException
-from zipfile import ZipFile, is_zipfile, BadZipfile
-
-import requests
-
-from requests.adapters import HTTPAdapter, Retry
-from requests.exceptions import RequestException
-from requests import codes
-
-from urllib3.exceptions import HTTPError
-
-
-# Chunk size used for file download
-CHUNK_SIZE = 512
-
-# Separator used in file names
-SEPARATOR = u"__"
-
-REGEX_RELEASE = re.compile(r'(\D*)(\d{4}|master)(\D*)')
-
-
-def _download_file(url, file_name, arch=False, verify=True, repeat=1):
- """Download a file with input data.
-
- :param url: URL to the file to download.
- :param file_name: Name of file to download.
- :param arch: If True, also .gz file is downloaded.
- :param verify: If true, verify the certificate.
- :param repeat: The number of attempts to download the file.
- :type url: str
- :type file_name: str
- :type arch: bool
- :type verify: bool
- :type repeat: int
- :returns: True if the download was successful, otherwise False.
- :rtype: bool
- """
-
- def requests_retry_session(retries=3,
- backoff_factor=0.3,
- status_forcelist=(500, 502, 504)):
- """
-
- :param retries: Total number of retries to allow.
- :param backoff_factor: A backoff factor to apply between attempts after
- the second try.
- :param status_forcelist: A set of integer HTTP status codes that are
- forced to retry.
- :type retries: int
- :type backoff_factor: float
- :type status_forcelist: iterable
- :returns: Session object.
- :rtype: requests.Session
- """
-
- retry = Retry(
- total=retries,
- read=retries,
- connect=retries,
- backoff_factor=backoff_factor,
- status_forcelist=status_forcelist,
- )
- adapter = HTTPAdapter(max_retries=retry)
- session = requests.Session()
- session.mount(u"http://", adapter)
- session.mount(u"https://", adapter)
- return session
-
- success = False
- while repeat:
- repeat -= 1
- session = None
- try:
- logging.info(f" Connecting to {url} ...")
- session = requests_retry_session()
- response = session.get(url, stream=True, verify=verify)
- code = response.status_code
- logging.info(f" {code}: {responses[code]}")
-
- if code != codes[u"OK"]:
- if session:
- session.close()
- return False, file_name
-
- dst_file_name = file_name.replace(u".gz", u"")
- logging.info(f" Downloading the file {url} to {dst_file_name}")
- with open(dst_file_name, u"wb") as file_handle:
- for chunk in response.iter_content(chunk_size=CHUNK_SIZE):
- if chunk:
- file_handle.write(chunk)
-
- if arch and u".gz" in file_name:
- if session:
- session.close()
- logging.info(f" Downloading the file {url} to {file_name}")
- session = requests_retry_session()
- response = session.get(url, stream=True, verify=verify)
- if response.status_code == codes[u"OK"]:
- with open(file_name, u"wb") as file_handle:
- file_handle.write(response.raw.read())
- else:
- logging.error(
- f"Not possible to download the file "
- f"{url} to {file_name}"
- )
-
- success = True
- repeat = 0
- except (HTTPException, HTTPError) as err:
- logging.error(f"Connection broken:\n{repr(err)}")
- except RequestException as err:
- logging.error(f"HTTP Request exception:\n{repr(err)}")
- except (IOError, ValueError, KeyError) as err:
- logging.error(f"Download failed.\n{repr(err)}")
- finally:
- if session:
- session.close()
- return success, file_name
-
-
-def _unzip_file(spec, build, pid):
- """Unzip downloaded source file.
-
- :param spec: Specification read form the specification file.
- :param build: Information about the build.
- :type spec: Specification
- :type build: dict
- :returns: True if the download was successful, otherwise False.
- :rtype: bool
- """
-
- file_name = build[u"file-name"]
- data_file = "robot-plugin/output.xml"
- directory = spec.environment[u"paths"][u"DIR[WORKING,DATA]"]
- tmp_dir = join(directory, str(pid))
- try:
- mkdir(tmp_dir)
- except OSError:
- pass
- new_name = \
- f"{file_name.rsplit(u'.')[-2]}{SEPARATOR}{data_file.split(u'/')[-1]}"
-
- logging.info(f" Unzipping: {data_file} from {file_name}.")
- try:
- with ZipFile(file_name, u'r') as zip_file:
- zip_file.extract(data_file, tmp_dir)
- logging.info(
- f" Renaming the file {join(tmp_dir, data_file)} to {new_name}"
- )
- rename(join(tmp_dir, data_file), new_name)
- build[u"file-name"] = new_name
- return True
- except (BadZipfile, RuntimeError) as err:
- logging.error(f"Failed to unzip the file {file_name}: {repr(err)}.")
- return False
- except OSError as err:
- logging.error(f"Failed to rename the file {data_file}: {repr(err)}.")
- return False
-
-
-def _download_xml(source, job, build, w_dir, arch):
- """
-
- :param source:
- :param job:
- :param build:
- :param w_dir: Path to working directory
- :param arch:
- :return:
- """
-
- file_name = source.get(u"file-name", u"")
- new_name = join(
- w_dir,
- f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
- )
- url = u"{0}/{1}".format(
- source.get(u"url", u""),
- source.get(u"path", u"").format(
- job=job, build=build[u'build'], filename=file_name
- )
- )
- logging.info(f" Trying to download {url}")
- success, downloaded_name = _download_file(
- url, new_name, arch=arch, verify=(u"nginx" not in url), repeat=3
- )
- return success, downloaded_name
-
-
-def _download_xml_docs(source, job, build, w_dir, arch):
- """
-
- :param source:
- :param job:
- :param build:
- :param w_dir: Path to working directory
- :param arch:
- :return:
- """
-
- file_name = source.get(u"file-name", u"")
- release = re.search(REGEX_RELEASE, job).group(2)
- for rls in (release, u"master"):
- try:
- rls = f"rls{int(rls)}"
- except ValueError:
- pass # It is master
- url = (
- f"{source.get(u'url', u'')}/"
- f"{rls}/"
- f"{source.get(u'path', u'')}/"
- f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
- )
- new_name = join(
- w_dir,
- f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
- )
-
- logging.info(f" Trying to download {url}")
-
- success, downloaded_name = _download_file(url, new_name, arch=arch)
- if success:
- if file_name.endswith(u".gz"):
- with gzip.open(downloaded_name[:-3], u"rb") as gzip_file:
- file_content = gzip_file.read()
- with open(downloaded_name[:-3], u"wb") as xml_file:
- xml_file.write(file_content)
- break
-
- return success, downloaded_name
-
-
-def download_and_unzip_data_file(spec, job, build, pid):
- """Download and unzip a source file.
-
- :param spec: Specification read form the specification file.
- :param job: Name of the Jenkins job.
- :param build: Information about the build.
- :param pid: PID of the process executing this method.
- :type spec: Specification
- :type job: str
- :type build: dict
- :type pid: int
- :returns: True if the download was successful, otherwise False.
- :rtype: bool
- """
-
- download = {
- "xml": _download_xml,
- "xml-docs": _download_xml_docs
- }
-
- success = False
- downloaded_name = u""
- arch = bool(spec.environment.get(u"archive-inputs", True))
-
- for source in spec.environment.get(u"data-sources", tuple()):
- if not source.get(u"enabled", False):
- continue
- download_type = source.get(u"type", None)
- if not download_type:
- continue
- success, downloaded_name = download[download_type](
- source,
- job,
- build,
- spec.environment[u"paths"][u"DIR[WORKING,DATA]"],
- arch
- )
- if success:
- source[u"successful-downloads"] += 1
- build[u"source"] = source[u"type"]
- break
-
- # TODO: Remove when only .gz is used.
- if success and downloaded_name.endswith(u".zip"):
- if not is_zipfile(downloaded_name):
- logging.error(f"Zip file {downloaded_name} is corrupted.")
- success = False
-
- if success:
- if downloaded_name.endswith(u".gz"):
- build[u"file-name"] = downloaded_name[:-3]
- # TODO: Remove when only .gz is used.
- elif downloaded_name.endswith(u".zip"):
- build[u"file-name"] = downloaded_name
- success = _unzip_file(spec, build, pid)
-
- return success