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#!/usr/bin/python3
# vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab
import sys
import os
import subprocess
import json
import jinja2
SETTINGS_PATH = "settings.json"
SYSTEMD_TEMPLATE = "systemd/webtemplate.service.jinja2"
FLASK_TEMPLATE = "flask/main.py.jinja2"
REPOSITORY_WEBROOT = "webroot"
def read_settings():
"""Read the SETTINGS_PATH File and return a Dictionary with its Content"""
with open(SETTINGS_PATH, "r") as settings:
settings = settings.read()
settings = json.loads(settings)
return settings
def build_systemd_file(settings):
"""Generate Systemd Unit File with Settings from SETTINGS_PATH"""
with open(SYSTEMD_TEMPLATE, "r") as template:
template = template.read()
template = jinja2.Template(template)
systemd_file = template.render(settings)
subprocess.call("mkdir -p systemd/build", shell=True)
file_path = "systemd/build/{}.service".format(settings["project_name"])
with open(file_path, "w") as _file:
_file.write(systemd_file)
def build_flask(settings):
"""Generate Python Flask File with Settings from SETTINGS_PATH"""
with open(FLASK_TEMPLATE, "r") as template:
template = template.read()
template = jinja2.Template(template)
flask_file = template.render(settings)
subprocess.call("mkdir -p flask/build", shell=True)
file_path = "flask/build/{}".format(settings["project_name"])
with open(file_path, "w") as _file:
_file.write(flask_file)
def install_webroot(settings):
"""Install every File from the Repositories Webroot to the Systems Webroot"""
for directory, subdirs, files in os.walk(REPOSITORY_WEBROOT, topdown=False):
for _file in files:
path_to_file = os.path.join(directory, _file)
relative_path = os.path.relpath(path_to_file, REPOSITORY_WEBROOT)
target_path = os.path.join(settings["webroot"], relative_path)
subprocess.run("install -Dm 644 {} {}".format(path_to_file, target_path), shell=True)
def uninstall_webroot(settings):
"""Uninstalls every File from the Systems Webroot"""
path_to_delete = os.path.join(settings["webroot"], "*")
subprocess.run("rm -rf {}".format(path_to_delete), shell=True)
def install_flask(settings):
"""Install the Executable for the Dynamic Web Server"""
subprocess.call("sudo mkdir -p /opt/{}".format(settings["project_name"]), shell=True)
subprocess.call("sudo install -Dm 744 flask/build/{0} /opt/{0}/{0}".format(settings["project_name"]), shell=True)
order = "sudo find /opt/{0} -exec chown -R {1}:{2}".format(
settings["project_name"],
settings["user"],
settings["group"]
)
order += " {} \;"
subprocess.call(order, shell=True)
def uninstall_flask(settings):
"""Uninstall the Executable for the Dynamic Web Server"""
subprocess.call("sudo rm -rf /opt/{}".format(settings["project_name"]), shell=True)
def install_systemd_file(settings):
"""Install the Systemd Unit for launching the dynamic Web Server"""
subprocess.call("sudo install -Dm 644 systemd/build/{0}.service /etc/systemd/system/{0}.service".format(settings["project_name"]), shell=True)
subprocess.call("sudo systemctl daemon-reload", shell=True)
def uninstall_systemd_file(settings):
"""Uninstall the Systemd Unit for launching the dynamic Web Server"""
subprocess.call("sudo rm /etc/systemd/system/{0}.service".format(settings["project_name"]), shell=True)
def main():
"""The main Function"""
settings = read_settings() # get settings from SETTINGS_PATH
# just one argument is allowed:
if len(sys.argv) != 2:
print("Provide exactly one parameter")
sys.exit(1)
# execute given command
command = sys.argv[1]
if command == "build_systemd_file":
build_systemd_file(settings)
elif command == "build_framework":
if settings["framework"] == "flask":
build_flask(settings)
elif settings["framework"] == "actix-web":
print("actix-web is not yet implemented ...")
sys.exit(1)
elif settings["framework"] == None:
pass
else:
print("Unknown web framework selected")
sys.exit(1)
elif command == "install_webroot":
install_webroot(settings)
elif command == "uninstall_webroot":
uninstall_webroot(settings)
elif command == "install_framework":
if settings["framework"] == "flask":
install_flask(settings)
elif settings["framework"] == "actix-web":
print("actix-web is not yet implemented ...")
sys.exit(1)
elif settings["framework"] == None:
pass
else:
print("Unknown web framework selected")
sys.exit(1)
elif command == "uninstall_framework":
if settings["framework"] == "flask":
uninstall_flask(settings)
elif settings["framework"] == "actix-web":
print("actix-web is not yet implemented ...")
sys.exit(1)
elif settings["framework"] == None:
pass
else:
print("Unknown web framework selected")
sys.exit(1)
elif command == "install_systemd_file":
install_systemd_file(settings)
elif command == "uninstall_systemd_file":
uninstall_systemd_file(settings)
else:
print("Unknown command")
sys.exit(1)
if __name__ == "__main__":
main()
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