"""
import re
+import requests
import logging
-from os import rename
+from os import rename, mkdir
from os.path import join
-from shutil import move
from zipfile import ZipFile, is_zipfile, BadZipfile
from httplib import responses
-from requests import get, codes, RequestException, Timeout, TooManyRedirects, \
+from requests.adapters import HTTPAdapter
+from requests.packages.urllib3.util.retry import Retry
+from requests import codes, RequestException, Timeout, TooManyRedirects, \
HTTPError, ConnectionError
from errors import PresentationError
-from utils import execute_command
+
# Chunk size used for file download
CHUNK_SIZE = 512
REGEX_RELEASE = re.compile(r'(\D*)(\d{4}|master)(\D*)')
-def _download_file(url, file_name):
+def _download_file(url, file_name, log, arch=False):
"""Download a file with input data.
:param url: URL to the file to download.
:param file_name: Name of file to download.
+ :param log: List of log messages.
+ :param arch: If True, also .gz file is downloaded
:type url: str
:type file_name: str
+ :type log: list of tuples (severity, msg)
+ :type arch: bool
: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('http://', adapter)
+ session.mount('https://', adapter)
+ return session
+
success = False
try:
- logging.info(" Connecting to '{0}' ...".format(url))
-
- response = get(url, stream=True)
+ log.append(("INFO", " Connecting to '{0}' ...".format(url)))
+ session = requests_retry_session()
+ response = session.get(url, stream=True)
code = response.status_code
-
- logging.info(" {0}: {1}".format(code, responses[code]))
+ log.append(("INFO", " {0}: {1}".format(code, responses[code])))
if code != codes["OK"]:
- return False
+ if session:
+ session.close()
+ url = url.replace("_info", "")
+ log.append(("INFO", " Connecting to '{0}' ...".format(url)))
+ session = requests_retry_session()
+ response = session.get(url, stream=True)
+ code = response.status_code
+ log.append(("INFO", " {0}: {1}".format(code, responses[code])))
+ if code != codes["OK"]:
+ return False, file_name
+ file_name = file_name.replace("_info", "")
- logging.info(" Downloading the file '{0}' to '{1}' ...".
- format(url, file_name))
+ dst_file_name = file_name.replace(".gz", "")
+ log.append(("INFO", " Downloading the file '{0}' to '{1}' ...".
+ format(url, dst_file_name)))
+ with open(dst_file_name, "wb") as file_handle:
+ for chunk in response.iter_content(chunk_size=CHUNK_SIZE):
+ if chunk:
+ file_handle.write(chunk)
+
+ if arch and ".gz" in file_name:
+ if session:
+ session.close()
+ log.append(("INFO", " Downloading the file '{0}' to '{1}' ...".
+ format(url, file_name)))
+ session = requests_retry_session()
+ response = session.get(url, stream=True)
+ if response.status_code == codes["OK"]:
+ with open(file_name, "wb") as file_handle:
+ file_handle.write(response.raw.read())
+ else:
+ log.append(("ERROR", "Not possible to download the file '{0}' "
+ "to '{1}' ...".format(url, file_name)))
- file_handle = open(file_name, "wb")
- for chunk in response.iter_content(chunk_size=CHUNK_SIZE):
- if chunk:
- file_handle.write(chunk)
- file_handle.close()
success = True
except ConnectionError as err:
- logging.error("Not possible to connect to '{0}'.".format(url))
- logging.debug(str(err))
+ log.append(("ERROR", "Not possible to connect to '{0}'.".format(url)))
+ log.append(("DEBUG", repr(err)))
except HTTPError as err:
- logging.error("Invalid HTTP response from '{0}'.".format(url))
- logging.debug(str(err))
+ log.append(("ERROR", "Invalid HTTP response from '{0}'.".format(url)))
+ log.append(("DEBUG", repr(err)))
except TooManyRedirects as err:
- logging.error("Request exceeded the configured number "
- "of maximum re-directions.")
- logging.debug(str(err))
+ log.append(("ERROR", "Request exceeded the configured number "
+ "of maximum re-directions."))
+ log.append(("DEBUG", repr(err)))
except Timeout as err:
- logging.error("Request timed out.")
- logging.debug(str(err))
+ log.append(("ERROR", "Request timed out."))
+ log.append(("DEBUG", repr(err)))
except RequestException as err:
- logging.error("Unexpected HTTP request exception.")
- logging.debug(str(err))
+ log.append(("ERROR", "Unexpected HTTP request exception."))
+ log.append(("DEBUG", repr(err)))
except (IOError, ValueError, KeyError) as err:
- logging.error("Download failed.")
- logging.debug(str(err))
+ log.append(("ERROR", "Download failed."))
+ log.append(("DEBUG", repr(err)))
+ finally:
+ if session:
+ session.close()
- logging.info(" Download finished.")
- return success
+ log.append(("INFO", " Download finished."))
+ return success, file_name
-def _unzip_file(spec, job, build):
+def _unzip_file(spec, build, pid, log):
"""Unzip downloaded source file.
:param spec: Specification read form the specification file.
- :param job: Name of the Jenkins job.
:param build: Information about the build.
+ :param log: List of log messages.
:type spec: Specification
- :type job: str
:type build: dict
+ :type log: list of tuples (severity, msg)
:returns: True if the download was successful, otherwise False.
:rtype: bool
"""
- data_file = spec.input["extract"]
file_name = build["file-name"]
+ if ".zip" in file_name:
+ data_file = spec.input["zip-extract"]
+ else:
+ data_file = spec.input["extract"]
+
directory = spec.environment["paths"]["DIR[WORKING,DATA]"]
+ tmp_dir = join(directory, str(pid))
+ try:
+ mkdir(tmp_dir)
+ except OSError:
+ pass
new_name = "{0}{1}{2}".format(file_name.rsplit('.')[-2],
SEPARATOR,
data_file.split("/")[-1])
- logging.info(" Unzipping: '{0}' from '{1}'.".
- format(data_file, file_name))
+
+ log.append(("INFO", " Unzipping: '{0}' from '{1}'.".
+ format(data_file, file_name)))
try:
with ZipFile(file_name, 'r') as zip_file:
- zip_file.extract(data_file, directory)
- logging.info(" Moving {0} to {1} ...".
- format(join(directory, data_file), directory))
- move(join(directory, data_file), directory)
- logging.info(" Renaming the file '{0}' to '{1}'".
- format(join(directory, data_file.split("/")[-1]),
- new_name))
- rename(join(directory, data_file.split("/")[-1]),
- new_name)
- spec.set_input_file_name(job, build["build"],
- new_name)
+ zip_file.extract(data_file, tmp_dir)
+ log.append(("INFO", " Renaming the file '{0}' to '{1}'".
+ format(join(tmp_dir, data_file), new_name)))
+ rename(join(tmp_dir, data_file), new_name)
+ build["file-name"] = new_name
return True
except (BadZipfile, RuntimeError) as err:
- logging.error("Failed to unzip the file '{0}': {1}.".
- format(file_name, str(err)))
+ log.append(("ERROR", "Failed to unzip the file '{0}': {1}.".
+ format(file_name, str(err))))
return False
except OSError as err:
- logging.error("Failed to rename the file '{0}': {1}.".
- format(data_file, str(err)))
+ log.append(("ERROR", "Failed to rename the file '{0}': {1}.".
+ format(data_file, str(err))))
return False
-def download_and_unzip_data_file(spec, job, build):
+def download_and_unzip_data_file(spec, job, build, pid, log):
"""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.
+ :param log: List of log messages.
:type spec: Specification
:type job: str
:type build: dict
+ :type pid: int
+ :type log: list of tuples (severity, msg)
:returns: True if the download was successful, otherwise False.
:rtype: bool
"""
- if job.startswith("csit-"):
- if spec.input["file-name"].endswith(".zip"):
- url = spec.environment["urls"]["URL[JENKINS,CSIT]"]
- elif spec.input["file-name"].endswith(".gz"):
- url = spec.environment["urls"]["URL[NEXUS,LOG]"]
- else:
- logging.error("Not supported file format.")
- return False
- elif job.startswith("hc2vpp-"):
- url = spec.environment["urls"]["URL[JENKINS,HC]"]
- else:
- raise PresentationError("No url defined for the job '{}'.".
- format(job))
+ # Try to download .gz from logs.fd.io
+
file_name = spec.input["file-name"]
- full_name = spec.input["download-path"]. \
- format(job=job, build=build["build"], filename=file_name)
- url = "{0}/{1}".format(url, full_name)
+ url = "{0}/{1}".format(
+ spec.environment["urls"]["URL[NEXUS,LOG]"],
+ spec.input["download-path"].format(
+ job=job, build=build["build"], filename=file_name))
new_name = join(spec.environment["paths"]["DIR[WORKING,DATA]"],
- "{job}{sep}{build}{sep}{name}".
- format(job=job, sep=SEPARATOR, build=build["build"],
- name=file_name))
- # Download the file from the defined source (Jenkins, logs.fd.io):
- success = _download_file(url, new_name)
+ "{job}{sep}{build}{sep}{name}".format(
+ job=job, sep=SEPARATOR, build=build["build"],
+ name=file_name))
+
+ logging.info("Trying to download {0}".format(url))
+
+ arch = True if spec.configuration.get("archive-inputs", True) else False
+ success, downloaded_name = _download_file(url, new_name, log, arch=arch)
+
+ if not success:
+
+ # Try to download .gz from docs.fd.io
+
+ file_name = spec.input["file-name"]
+ url = "{0}/{1}".format(
+ spec.environment["urls"]["URL[NEXUS,DOC]"],
+ spec.input["download-path"].format(
+ job=job, build=build["build"], filename=file_name))
+ new_name = join(spec.environment["paths"]["DIR[WORKING,DATA]"],
+ "{job}{sep}{build}{sep}{name}".format(
+ job=job, sep=SEPARATOR, build=build["build"],
+ name=file_name))
+
+ logging.info("Downloading {0}".format(url))
+
+ if spec.configuration.get("archive-inputs", True):
+ arch = True
+ success, downloaded_name = _download_file(url, new_name, log, arch=arch)
- # If not successful, download from docs.fd.io:
if not success:
- logging.info(" Trying to download from https://docs.fd.io:")
+
+ # Try to download .zip from docs.fd.io
+
+ file_name = spec.input["zip-file-name"]
+ new_name = join(spec.environment["paths"]["DIR[WORKING,DATA]"],
+ "{job}{sep}{build}{sep}{name}".format(
+ job=job, sep=SEPARATOR, build=build["build"],
+ name=file_name))
release = re.search(REGEX_RELEASE, job).group(2)
- nexus_file_name = "{job}{sep}{build}{sep}{name}". \
- format(job=job, sep=SEPARATOR, build=build["build"], name=file_name)
- try:
- release = "rls{0}".format(int(release))
- except ValueError:
- pass
- url = "{url}/{release}/{dir}/{file}". \
- format(url=spec.environment["urls"]["URL[NEXUS]"],
- release=release,
- dir=spec.environment["urls"]["DIR[NEXUS]"],
- file=nexus_file_name)
- success = _download_file(url, new_name)
+ for rls in (release, "master"):
+ nexus_file_name = "{job}{sep}{build}{sep}{name}". \
+ format(job=job, sep=SEPARATOR, build=build["build"],
+ name=file_name)
+ try:
+ rls = "rls{0}".format(int(rls))
+ except ValueError:
+ # It is 'master'
+ pass
+ url = "{url}/{release}/{dir}/{file}". \
+ format(url=spec.environment["urls"]["URL[NEXUS,DOC]"],
+ release=rls,
+ dir=spec.environment["urls"]["DIR[NEXUS,DOC]"],
+ file=nexus_file_name)
- if success:
- spec.set_input_file_name(job, build["build"], new_name)
- else:
- return False
+ logging.info("Downloading {0}".format(url))
- if spec.input["file-name"].endswith(".gz"):
- if "docs.fd.io" in url:
- execute_command("gzip --decompress --keep --force {0}".
- format(new_name))
- else:
- rename(new_name, new_name[:-3])
- execute_command("gzip --keep {0}".format(new_name[:-3]))
- spec.set_input_file_name(job, build["build"], new_name[:-3])
+ success, downloaded_name = _download_file(url, new_name, log)
+ if success:
+ break
+
+ if not success:
+
+ # Try to download .zip from jenkins.fd.io
- if spec.input["file-name"].endswith(".zip"):
- if is_zipfile(file_name):
- return _unzip_file(spec, job, build)
+ file_name = spec.input["zip-file-name"]
+ download_path = spec.input["zip-download-path"]
+ if job.startswith("csit-"):
+ url = spec.environment["urls"]["URL[JENKINS,CSIT]"]
+ elif job.startswith("hc2vpp-"):
+ url = spec.environment["urls"]["URL[JENKINS,HC]"]
else:
- return False
- else:
- return True
+ raise PresentationError(
+ "No url defined for the job '{}'.".format(job))
+
+ full_name = download_path.format(
+ job=job, build=build["build"], filename=file_name)
+ url = "{0}/{1}".format(url, full_name)
+ new_name = join(spec.environment["paths"]["DIR[WORKING,DATA]"],
+ "{job}{sep}{build}{sep}{name}".
+ format(job=job, sep=SEPARATOR, build=build["build"],
+ name=file_name))
+
+ logging.info("Downloading {0}".format(url))
+
+ success, downloaded_name = _download_file(url, new_name, log)
+
+ if success and downloaded_name.endswith(".zip"):
+ if not is_zipfile(downloaded_name):
+ log.append(("ERROR",
+ "Zip file '{0}' is corrupted.".format(new_name)))
+ success = False
+
+ if success:
+ build["file-name"] = downloaded_name
+
+ if file_name.endswith(".gz"):
+ build["file-name"] = downloaded_name[:-3]
+
+ if downloaded_name.endswith(".zip"):
+ success = _unzip_file(spec, build, pid, log)
+
+ return success