SeleniumBase/seleniumbase/utilities/selenium_grid/grid_node.py

140 lines
5.4 KiB
Python

import codecs
import os
import subprocess
import sys
from seleniumbase import drivers # webdriver storage folder for SeleniumBase
from seleniumbase.fixtures import shared_utils
DRIVER_DIR = os.path.dirname(os.path.realpath(drivers.__file__))
# Make sure that the SeleniumBase DRIVER_DIR is at the top of the System PATH
# (Changes to the System PATH with os.environ only last during the test run)
if not os.environ["PATH"].startswith(DRIVER_DIR):
# Remove existing SeleniumBase DRIVER_DIR from System PATH if present
os.environ["PATH"] = os.environ["PATH"].replace(DRIVER_DIR, "")
# If two path separators are next to each other, replace with just one
os.environ["PATH"] = os.environ["PATH"].replace(
os.pathsep + os.pathsep, os.pathsep
)
# Put the SeleniumBase DRIVER_DIR at the beginning of the System PATH
os.environ["PATH"] = DRIVER_DIR + os.pathsep + os.environ["PATH"]
def is_chromedriver_on_path():
paths = os.environ["PATH"].split(os.pathsep)
for path in paths:
if os.path.exists(path + "/" + "chromedriver"):
return True
return False
def invalid_run_command():
exp = " ** grid-node **\n\n"
exp += " Usage:\n"
exp += " seleniumbase grid-node {start|stop|restart} [OPTIONS]\n"
exp += " Options:\n"
exp += " --hub=[HUB_IP] (The Grid Hub IP Address to connect to.)\n"
exp += " (Default: 127.0.0.1 if not set)\n"
exp += " -v, --verbose (Increase verbosity of logging output.)\n"
exp += " (Default: Quiet logging / not verbose.)\n"
exp += " Example:\n"
exp += " seleniumbase grid-node start --hub=127.0.0.1\n"
exp += " Output:\n"
exp += " Controls the Selenium Grid Node, which serves as a\n"
exp += " worker machine for your Selenium Grid Hub Server.\n"
exp += " You can start, restart, or stop the Grid Node.\n"
raise Exception("INVALID RUN COMMAND!\n\n%s" % exp)
def main():
# Install chromedriver if not installed
if not is_chromedriver_on_path():
from seleniumbase.console_scripts import sb_install
sys_args = sys.argv # Save a copy of current sys args
print("\nWarning: chromedriver not found. Installing now:")
sb_install.main(override="chromedriver")
sys.argv = sys_args # Put back the original sys args
dir_path = os.path.dirname(os.path.realpath(__file__))
num_args = len(sys.argv)
if (
sys.argv[0].split("/")[-1] == "seleniumbase"
or (sys.argv[0].split("\\")[-1] == "seleniumbase")
or (sys.argv[0].split("/")[-1] == "sbase")
or (sys.argv[0].split("\\")[-1] == "sbase")
):
if num_args < 3:
invalid_run_command()
else:
invalid_run_command()
grid_hub_command = sys.argv[2]
if grid_hub_command not in ["start", "stop", "restart"]:
invalid_run_command()
server_ip = "127.0.0.1"
verbose = "False"
if num_args >= 4:
options = sys.argv[3:]
for option in options:
if option.startswith("--hub=") and (
len(option.split("--hub=")[1]) > 0
):
server_ip = option.split("--hub=")[1]
elif option == "-v" or option == "--verbose":
verbose = "True"
else:
invalid_run_command()
data = []
data.append(server_ip)
file_path = os.path.join(dir_path, "ip_of_grid_hub.dat")
file = codecs.open(file_path, "w+", "utf-8")
file.writelines("\r\n".join(data))
file.close()
data = []
data.append(verbose)
file_path = os.path.join(dir_path, "verbose_node_server.dat")
file = codecs.open(file_path, "w+", "utf-8")
file.writelines("\r\n".join(data))
file.close()
from seleniumbase.utilities.selenium_grid import download_selenium_server
download_selenium_server.main(force_download=False) # Only runs if needed
if shared_utils.is_linux() or shared_utils.is_mac():
if grid_hub_command == "start":
subprocess.check_call(dir_path + "/grid-node start", shell=True)
elif grid_hub_command == "restart":
subprocess.check_call(dir_path + "/grid-node stop", shell=True)
subprocess.check_call(dir_path + "/grid-node start", shell=True)
elif grid_hub_command == "stop":
subprocess.check_call(dir_path + "/grid-node stop", shell=True)
else:
invalid_run_command()
else:
if grid_hub_command == "start" or grid_hub_command == "restart":
shell_command = (
"""java -jar %s/selenium-server-standalone.jar -role node"""
""" -hub http://%s:4444/grid/register -browser browser"""
"""Name=chrome,maxInstances=5,version=latest,"""
"""seleniumProtocol=WebDriver -browser browserName=firefox,"""
"""maxInstances=5,version=latest,seleniumProtocol=WebDriver"""
% (dir_path, server_ip)
)
print("\nStarting Selenium-WebDriver Grid node...\n")
print(shell_command)
print("")
subprocess.check_call(shell_command, shell=True)
elif grid_hub_command == "stop":
print("")
print("To stop the Grid node, use CTRL+C inside the server shell!")
print("")
else:
invalid_run_command()
if __name__ == "__main__":
main()