-# Copyright (c) 2018 Cisco and/or its affiliates.
+# Copyright (c) 2020 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:
"""
import re
+import logging
+import gzip
from os import rename, mkdir
from os.path import join
+from http.client import responses
from zipfile import ZipFile, is_zipfile, BadZipfile
-from httplib import responses
-from requests import get, codes, RequestException, Timeout, TooManyRedirects, \
- HTTPError, ConnectionError
-from errors import PresentationError
-from utils import execute_command
+import requests
+
+from requests.adapters import HTTPAdapter, Retry
+from requests.exceptions import RequestException
+from requests import codes
+
+from pal_errors import PresentationError
+
# Chunk size used for file download
CHUNK_SIZE = 512
# Separator used in file names
-SEPARATOR = "__"
+SEPARATOR = u"__"
REGEX_RELEASE = re.compile(r'(\D*)(\d{4}|master)(\D*)')
-def _download_file(url, file_name, log):
+def _download_file(url, file_name, 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(u"http://", adapter)
+ session.mount(u"https://", adapter)
+ return session
+
success = False
+ session = None
try:
- log.append(("INFO", " Connecting to '{0}' ...".format(url)))
- response = get(url, stream=True)
+ logging.info(f" Connecting to {url} ...")
+ session = requests_retry_session()
+ response = session.get(url, stream=True)
code = response.status_code
- log.append(("INFO", " {0}: {1}".format(code, responses[code])))
+ logging.info(f" {code}: {responses[code]}")
- if code != codes["OK"]:
- url = url.replace("_info", "")
- log.append(("INFO", " Connecting to '{0}' ...".format(url)))
- response = get(url, stream=True)
+ if code != codes[u"OK"]:
+ if session:
+ session.close()
+ url = url.replace(u"_info", u"")
+ logging.info(f" Connecting to {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"]:
+ logging.info(f" {code}: {responses[code]}")
+ if code != codes[u"OK"]:
return False, file_name
- file_name = file_name.replace("_info", "")
-
- log.append(("INFO", " Downloading the file '{0}' to '{1}' ...".
- format(url, file_name)))
+ file_name = file_name.replace(u"_info", u"")
- with open(file_name, "wb") as file_handle:
+ 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)
+ 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 {url} to {file_name}"
+ )
+
success = True
- except ConnectionError as err:
- log.append(("ERROR", "Not possible to connect to '{0}'.".format(url)))
- log.append(("DEBUG", repr(err)))
- except HTTPError as err:
- log.append(("ERROR", "Invalid HTTP response from '{0}'.".format(url)))
- log.append(("DEBUG", repr(err)))
- except TooManyRedirects as err:
- log.append(("ERROR", "Request exceeded the configured number "
- "of maximum re-directions."))
- log.append(("DEBUG", repr(err)))
- except Timeout as err:
- log.append(("ERROR", "Request timed out."))
- log.append(("DEBUG", repr(err)))
except RequestException as err:
- log.append(("ERROR", "Unexpected HTTP request exception."))
- log.append(("DEBUG", repr(err)))
+ logging.error(f"HTTP Request exception:\n{repr(err)}")
except (IOError, ValueError, KeyError) as err:
- log.append(("ERROR", "Download failed."))
- log.append(("DEBUG", repr(err)))
+ logging.error(f"Download failed.\n{repr(err)}")
+ finally:
+ if session:
+ session.close()
- log.append(("INFO", " Download finished."))
+ logging.info(u" Download finished.")
return success, file_name
-def _unzip_file(spec, build, pid, log):
+def _unzip_file(spec, build, pid):
"""Unzip downloaded source file.
:param spec: Specification read form the specification file.
:param build: Information about the build.
- :param log: List of log messages.
:type spec: Specification
: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"]
- directory = spec.environment["paths"]["DIR[WORKING,DATA]"]
+ file_name = build[u"file-name"]
+ if u".zip" in file_name:
+ data_file = spec.input[u"zip-extract"]
+ else:
+ data_file = spec.input[u"extract"]
+
+ directory = spec.environment[u"paths"][u"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])
+ new_name = \
+ f"{file_name.rsplit(u'.')[-2]}{SEPARATOR}{data_file.split(u'/')[-1]}"
- log.append(("INFO", " Unzipping: '{0}' from '{1}'.".
- format(data_file, file_name)))
+ logging.info(f" Unzipping: {data_file} from {file_name}.")
try:
- with ZipFile(file_name, 'r') as zip_file:
+ with ZipFile(file_name, u'r') as zip_file:
zip_file.extract(data_file, tmp_dir)
- log.append(("INFO", " Renaming the file '{0}' to '{1}'".
- format(join(tmp_dir, data_file), new_name)))
+ logging.info(
+ f" Renaming the file {join(tmp_dir, data_file)} to {new_name}"
+ )
rename(join(tmp_dir, data_file), new_name)
- build["file-name"] = new_name
+ build[u"file-name"] = new_name
return True
except (BadZipfile, RuntimeError) as err:
- log.append(("ERROR", "Failed to unzip the file '{0}': {1}.".
- format(file_name, str(err))))
+ logging.error(f"Failed to unzip the file {file_name}: {repr(err)}.")
return False
except OSError as err:
- log.append(("ERROR", "Failed to rename the file '{0}': {1}.".
- format(data_file, str(err))))
+ logging.error(f"Failed to rename the file {data_file}: {repr(err)}.")
return False
-def download_and_unzip_data_file(spec, job, build, pid, log):
+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.
- :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:
- log.append(("ERROR", "Not supported file format."))
- return False
- elif job.startswith("hc2vpp-"):
- url = spec.environment["urls"]["URL[JENKINS,HC]"]
- elif job.startswith("intel-dnv-"):
- url = spec.environment["urls"]["URL[VIRL,DNV]"].format(release=job[-4:])
- else:
- raise PresentationError("No url defined for the job '{}'.".format(job))
- file_name = spec.input["file-name"]
- full_name = spec.input["download-path"]. \
- format(job=job, build=build["build"], filename=file_name)
- if not job.startswith("intel-dnv-"):
- 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))
-
- # Download the file from the defined source (Jenkins, logs.fd.io):
- success, downloaded_name = _download_file(url, new_name, log)
- if success:
- new_name = downloaded_name
+ # Try to download .gz from s3_storage
+ file_name = spec.input[u"file-name"]
+ url = u"{0}/{1}".format(
+ spec.environment[u'urls'][u'URL[S3_STORAGE,LOG]'],
+ spec.input[u'download-path'].format(
+ job=job, build=build[u'build'], filename=file_name
+ )
+ )
+ new_name = join(
+ spec.environment[u"paths"][u"DIR[WORKING,DATA]"],
+ f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
+ )
- if success and new_name.endswith(".zip"):
- if not is_zipfile(new_name):
- success = False
+ logging.info(f"Trying to download {url}")
+
+ arch = bool(spec.configuration.get(u"archive-inputs", True))
+ success, downloaded_name = _download_file(url, new_name, arch=arch)
+
+ if not success:
+ # Try to download .gz from logs.fd.io
+ file_name = spec.input[u"file-name"]
+ url = u"{0}/{1}".format(
+ spec.environment[u'urls'][u'URL[NEXUS,LOG]'],
+ spec.input[u'download-path'].format(
+ job=job, build=build[u'build'], filename=file_name
+ )
+ )
+ new_name = join(
+ spec.environment[u"paths"][u"DIR[WORKING,DATA]"],
+ f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
+ )
+
+ logging.info(f"Trying to download {url}")
+
+ arch = bool(spec.configuration.get(u"archive-inputs", True))
+ success, downloaded_name = _download_file(url, new_name, arch=arch)
- # If not successful, download from docs.fd.io:
if not success:
- log.append(("INFO", " Trying to download from https://docs.fd.io:"))
+
+ # Try to download .gz or .zip from docs.fd.io
+ file_name = (spec.input[u"file-name"], spec.input[u"zip-file-name"])
release = re.search(REGEX_RELEASE, job).group(2)
- for rls in (release, "master"):
- nexus_file_name = "{job}{sep}{build}{sep}{name}". \
- format(job=job, sep=SEPARATOR, build=build["build"],
- name=file_name)
+ for idx, rls in enumerate((release, u"master", )):
try:
- rls = "rls{0}".format(int(rls))
+ rls = f"rls{int(rls)}"
except ValueError:
+ # It is master
pass
- url = "{url}/{release}/{dir}/{file}". \
- format(url=spec.environment["urls"]["URL[NEXUS]"],
- release=rls,
- dir=spec.environment["urls"]["DIR[NEXUS]"],
- file=nexus_file_name)
- success, new_name = _download_file(url, new_name, log)
+ url = (
+ f"{spec.environment[u'urls'][u'URL[NEXUS,DOC]']}/"
+ f"{rls}/"
+ f"{spec.environment[u'urls'][u'DIR[NEXUS,DOC]']}/"
+ f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name[idx]}"
+ )
+
+ logging.info(f"Downloading {url}")
+
+ new_name = join(
+ spec.environment[u"paths"][u"DIR[WORKING,DATA]"],
+ f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name[idx]}"
+ )
+ success, downloaded_name = _download_file(url, new_name, arch=arch)
if success:
+ file_name = file_name[idx]
+ 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
- if success:
- build["file-name"] = new_name
- else:
- return False
+ if not success:
- if spec.input["file-name"].endswith(".gz"):
- if "docs.fd.io" in url:
- execute_command("gzip --decompress --keep --force {0}".
- format(new_name))
+ # Try to download .zip from jenkins.fd.io
+ file_name = spec.input[u"zip-file-name"]
+ download_path = spec.input[u"zip-download-path"]
+ if job.startswith(u"csit-"):
+ url = spec.environment[u"urls"][u"URL[JENKINS,CSIT]"]
else:
- rename(new_name, new_name[:-3])
- execute_command("gzip --keep {0}".format(new_name[:-3]))
- build["file-name"] = new_name[:-3]
+ raise PresentationError(f"No url defined for the job {job}.")
- if new_name.endswith(".zip"):
- if is_zipfile(new_name):
- return _unzip_file(spec, build, pid, log)
- else:
- log.append(("ERROR",
- "Zip file '{0}' is corrupted.".format(new_name)))
- return False
- else:
- return True
+ full_name = download_path.format(
+ job=job, build=build[u"build"], filename=file_name
+ )
+ url = u"{0}/{1}".format(url, full_name)
+ new_name = join(
+ spec.environment[u"paths"][u"DIR[WORKING,DATA]"],
+ f"{job}{SEPARATOR}{build[u'build']}{SEPARATOR}{file_name}"
+ )
+
+ logging.info(f"Downloading {url}")
+
+ success, downloaded_name = _download_file(url, new_name)
+
+ if success and downloaded_name.endswith(u".zip"):
+ if not is_zipfile(downloaded_name):
+ logging.error(f"Zip file {new_name} is corrupted.")
+ success = False
+
+ if success:
+ build[u"file-name"] = downloaded_name
+
+ if file_name.endswith(u".gz"):
+ build[u"file-name"] = downloaded_name[:-3]
+
+ if downloaded_name.endswith(u".zip"):
+ success = _unzip_file(spec, build, pid)
+
+ return success
Code Review / csit.git / blobdiff