mirror of
https://github.com/pgadmin-org/pgadmin4.git
synced 2024-11-23 01:06:31 -06:00
281 lines
10 KiB
Python
281 lines
10 KiB
Python
##########################################################################
|
|
#
|
|
# pgAdmin 4 - PostgreSQL Tools
|
|
#
|
|
# Copyright (C) 2013 - 2022, The pgAdmin Development Team
|
|
# This software is released under the PostgreSQL Licence
|
|
#
|
|
# #########################################################################
|
|
# Updates browser images(selenoid-docker) depending on arguments passed while
|
|
# running this script.
|
|
# e.g. --chrome /usr/bin/google-chrome --firefox /usr/bin/firefox
|
|
# Access details about switches using help
|
|
# e.g. --help
|
|
|
|
import argparse
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import traceback
|
|
import requests
|
|
import json
|
|
|
|
|
|
def read_command_line():
|
|
"""Read the command line arguments.
|
|
Returns:
|
|
ArgumentParser: The parsed arguments object
|
|
|
|
"""
|
|
parser = argparse.ArgumentParser(
|
|
description='Get latest browser images(chrome & firefox) for selenoid.'
|
|
'e.g. - --chrome /usr/bin/google-chrome --firefox '
|
|
'/usr/bin/firefox')
|
|
parser.add_argument("--chrome", metavar="CHROME",
|
|
help="the Chrome executable path")
|
|
parser.add_argument("--firefox", metavar="FIREFOX",
|
|
help="the firefox executable path")
|
|
args_val = parser.parse_args()
|
|
return args_val
|
|
|
|
|
|
def get_browser_version(browser_name, executable_path):
|
|
"""
|
|
Function returns browser version for specified browser using executable
|
|
path passed in arguments.
|
|
:param browser_name:
|
|
:param executable_path: e.g. /usr/bin/firefox
|
|
:return: browser version
|
|
"""
|
|
# On Linux/Mac we run the browser executable with the --version flag,
|
|
# then parse the output.
|
|
browser_version_val = None
|
|
try:
|
|
result = subprocess.Popen([executable_path, '--version'],
|
|
stdout=subprocess.PIPE)
|
|
except FileNotFoundError:
|
|
print('The specified browser executable could not be found.')
|
|
sys.exit(1)
|
|
|
|
version_str = result.stdout.read().decode("utf-8")
|
|
|
|
if browser_name.lower() == "chrome":
|
|
# Check for 'Chrom' not 'Chrome' in case the user is using Chromium.
|
|
if "Chrom" not in version_str:
|
|
print('The specified Chrome executable output an unexpected '
|
|
'version string: {}.'.format(version_str))
|
|
sys.exit(1)
|
|
# On some linux distro `chrome--version` gives output like
|
|
# 'Google Chrome 80.0.3987.132 unknown\n'
|
|
# so we need to check and remove the unknown string from the version
|
|
if version_str.endswith("unknown\n"):
|
|
version_str = version_str.strip("unknown\n").strip()
|
|
|
|
chrome_version = '.'.join(version_str.split()[-1].split('.')[:-2])
|
|
|
|
# Make sure browser version has only 1 decimal point
|
|
if chrome_version.count('.') != 1:
|
|
print('The specified Chrome executable output an unexpected '
|
|
'version string: {}.'.format(version_str))
|
|
sys.exit(1)
|
|
browser_version_val = chrome_version
|
|
elif browser_name.lower() == "firefox":
|
|
if "Firefox" not in version_str:
|
|
print('The specified Firefox executable output an unexpected '
|
|
'version string: {}.'.format(version_str))
|
|
sys.exit(1)
|
|
|
|
# Some time firefox --version gives output like
|
|
# 'Running without a11y support!
|
|
# Mozilla Firefox 68.7.0esr'
|
|
# Other output - [root@localhost local]# /usr/bin/firefox --version
|
|
# Mozilla Firefox 75.0
|
|
if 'esr' in version_str:
|
|
firefox_version = '.'.join(
|
|
version_str.split('esr')[0].split()[-1].split('.')[:-1])
|
|
else:
|
|
firefox_version = '.'.join(
|
|
version_str.split()[-1].split('.')[:-1])
|
|
|
|
if firefox_version.count('.') == 0:
|
|
firefox_version = firefox_version + '.0'
|
|
|
|
# Make sure browser version has only 1 decimal point
|
|
if firefox_version.count('.') != 1:
|
|
print('The specified Firefox executable output an unexpected '
|
|
'version string: {}.'.format(version_str))
|
|
sys.exit(1)
|
|
browser_version_val = firefox_version
|
|
else:
|
|
print("{0} is not recognised ".format(browser_name))
|
|
sys.exit(1)
|
|
return browser_version_val
|
|
|
|
|
|
def check_and_download_vnc_browser_image(browser_name, browser_version):
|
|
"""
|
|
Function checks presence for vnc images for passed browser
|
|
at docker.io/selenoid/ registry
|
|
:param browser_name:
|
|
:param browser_version:
|
|
:return:true if browser image is available & downloaded else false
|
|
"""
|
|
res = requests.get(
|
|
'https://registry.hub.docker.com/v2/repositories/selenoid/vnc_' +
|
|
browser_name + '/tags/')
|
|
res = res.json()
|
|
version_tag = []
|
|
if len(res['results']) > 0:
|
|
for result in res['results']:
|
|
if 'name' in result:
|
|
version_tag.append(result['name'])
|
|
vnc_image_available = False
|
|
image_name = 'vnc_' + browser_name + ':' + browser_version
|
|
|
|
for idx, tag in enumerate(version_tag):
|
|
if browser_version == tag:
|
|
command = 'docker pull selenoid/vnc_' + browser_name + ':' \
|
|
+ browser_version
|
|
print(' VNC image is available & downloading now... {0}'.format(
|
|
command))
|
|
try:
|
|
subprocess.call([command], shell=True, stdout=subprocess.PIPE)
|
|
vnc_image_available = True
|
|
except Exception:
|
|
traceback.print_exc(file=sys.stderr)
|
|
print(
|
|
'{0} Image found but could not be downloaded.'.
|
|
format(command))
|
|
sys.exit(1)
|
|
break
|
|
elif idx == len(version_tag):
|
|
print("{0} Image is not available.".format(image_name))
|
|
vnc_image_available = False
|
|
|
|
return vnc_image_available
|
|
|
|
|
|
def reload_selenoid_config():
|
|
"""
|
|
Function runs command to refresh selenoid configuration
|
|
:return: true if command execution for selenoid reload is successful
|
|
else false
|
|
"""
|
|
command = 'docker kill -s HUP selenoid'
|
|
reload_successful = False
|
|
try:
|
|
subprocess.call([command], shell=True, stdout=subprocess.PIPE)
|
|
print(" Selenoid Configuration is reloaded.")
|
|
reload_successful = True
|
|
except Exception:
|
|
traceback.print_exc(file=sys.stderr)
|
|
print('Error while reloading selenoid configuration.')
|
|
sys.exit(1)
|
|
return reload_successful
|
|
|
|
|
|
def edit_browsers_json(browser_name, browser_version):
|
|
"""
|
|
Function edits browsers.json which is used by selenoid to
|
|
load browser configuration.
|
|
Default path for this file is
|
|
"user_home_dir + '/.aerokube/selenoid/browsers.json'"
|
|
Currently this is hardcoded, might need to modify
|
|
if we want to pass customize browsers.json
|
|
:param browser_name:
|
|
:param browser_version:
|
|
:return:
|
|
"""
|
|
file_edited = True
|
|
# Read existing browsers.json
|
|
json_file = open(file_path, 'r')
|
|
existing_data = json.load(json_file)
|
|
updated_data = None
|
|
|
|
# Update data for new browser images
|
|
if browser_name.lower() == 'chrome':
|
|
version_data = existing_data['chrome']['versions']
|
|
if browser_version in version_data.keys():
|
|
print(" {0}:{1} is already updated in browsers.json.".format(
|
|
browser_name, browser_version))
|
|
file_edited = True
|
|
else:
|
|
data_to_insert = dict(
|
|
{browser_version: {
|
|
'image': 'selenoid/vnc_chrome:' + browser_version,
|
|
'port': '4444', 'path': '/'}})
|
|
(existing_data['chrome']['versions']).update(data_to_insert)
|
|
updated_data = existing_data
|
|
print(updated_data)
|
|
|
|
elif browser_name.lower() == 'firefox':
|
|
version_data = existing_data['firefox']['versions']
|
|
if browser_version in version_data.keys():
|
|
print(" {0}:{1} is already updated in browsers.json.".format(
|
|
browser_name, browser_version))
|
|
file_edited = True
|
|
else:
|
|
data_to_insert = dict(
|
|
{browser_version: {
|
|
'image': 'selenoid/vnc_firefox:' + browser_version,
|
|
'port': '4444', 'path': '/wd/hub'}})
|
|
(existing_data['firefox']['versions']).update(data_to_insert)
|
|
updated_data = existing_data
|
|
else:
|
|
print("Browser version not matched")
|
|
file_edited = False
|
|
|
|
# Write updated data in browsers.json
|
|
if updated_data is not None:
|
|
json_file = open(file_path, 'w')
|
|
json.dump(updated_data, json_file)
|
|
print(" 'browsers.json' is updated for {0} {1}".format(
|
|
browser_name, browser_version))
|
|
|
|
file_edited = True
|
|
return file_edited
|
|
|
|
|
|
# Main Program starts here
|
|
# Read command line arguments & get list of browser_name, executable path.
|
|
args = vars(read_command_line())
|
|
|
|
# Get path path for browsers.json
|
|
user_home_dir = os.getenv("HOME")
|
|
file_path = user_home_dir + '/.aerokube/selenoid/browsers.json'
|
|
print("***** Updating '{0}' for new browser versions.*****".format(file_path))
|
|
|
|
# Iterate over arguments passed
|
|
for browser, executable_path in args.items():
|
|
if executable_path is not None:
|
|
# Get browser name
|
|
browser_name = browser
|
|
# Get browser version
|
|
browser_version = get_browser_version(browser, executable_path)
|
|
print(
|
|
" Browser version for {0} is {1} in current executable path ".
|
|
format(browser_name, browser_version))
|
|
|
|
# Download vnc browser image.
|
|
download_new_image = check_and_download_vnc_browser_image(
|
|
browser_name, browser_version)
|
|
|
|
# If browser vnc image is available, then edit browsers.json
|
|
if download_new_image:
|
|
if edit_browsers_json(browser_name, browser_version):
|
|
print(
|
|
" File 'browsers.json' is updated for {0} - {1} \n".format(
|
|
browser_name, browser_version))
|
|
else:
|
|
print(
|
|
" File 'browsers.json' can NOT be updated for {0} - {1} \n"
|
|
.format(browser_name, browser_version))
|
|
else:
|
|
print(" Browser image is not available for {0}, {1}".format(
|
|
browser_name, browser_version))
|
|
|
|
# Reload selenoid configuration
|
|
if reload_selenoid_config():
|
|
print(
|
|
"***** Updated '{0}' for new browser versions.*****".format(file_path))
|