scripts/services/service.py, thanks Ross
This commit is contained in:
Massimo Di Pierro
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#!/usr/bin/env python
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import sys, os, time, subprocess
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class Base:
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def run_command(self, *args):
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"""
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Returns the output of a command as a tuple (output, error).
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"""
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p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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return p.communicate()
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class ServiceBase(Base):
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def __init__(self, name, label, stdout=None, stderr=None):
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self.name = name
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self.label = label
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self.stdout = stdout
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self.stderr = stderr
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self.config_file = None
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def load_configuration(self):
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"""
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Loads the configuration required to build the command-line string
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for running web2py. Returns a tuple (command_args, config_dict).
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"""
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s = os.path.sep
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default = dict(
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python = 'python',
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web2py = os.path.join(s.join(__file__.split(s)[:-3]), 'web2py.py'),
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http_enabled = True,
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http_ip = '0.0.0.0',
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http_port = 8000,
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https_enabled = True,
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https_ip = '0.0.0.0',
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https_port = 8001,
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https_key = '',
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https_cert = '',
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password = '<recycle>',
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)
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config = default
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if self.config_file:
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try:
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f = open(self.config_file, 'r')
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lines = f.readlines()
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f.close()
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for line in lines:
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fields = line.split('=', 1)
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if len(fields) == 2:
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key, value = fields
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key = key.strip()
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value = value.strip()
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config[key] = value
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except:
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pass
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web2py_path = os.path.dirname(config['web2py'])
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os.chdir(web2py_path)
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args = [config['python'], config['web2py']]
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interfaces = []
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ports = []
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if config['http_enabled']:
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ip = config['http_ip']
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port = config['http_port']
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interfaces.append('%s:%s' % (ip, port))
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ports.append(port)
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if config['https_enabled']:
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ip = config['https_ip']
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port = config['https_port']
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key = config['https_key']
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cert = config['https_cert']
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if key != '' and cert != '':
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interfaces.append('%s:%s:%s:%s' % (ip, port, cert, key))
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ports.append(ports)
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if len(interfaces) == 0:
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sys.exit('Configuration error. Must have settings for http and/or https')
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password = config['password']
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if not password == '<recycle>':
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from gluon import main
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for port in ports:
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main.save_password(password, port)
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password = '<recycle>'
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args.append('-a "%s"' % password)
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interfaces = ';'.join(interfaces)
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args.append('--interfaces=%s' % interfaces)
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if 'log_filename' in config.key():
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log_filename = config['log_filename']
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args.append('--log_filename=%s' % log_filename)
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return (args, config)
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def start(self):
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pass
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def stop(self):
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pass
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def restart(self):
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pass
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def status(self):
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pass
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def run(self):
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pass
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def install(self):
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pass
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def uninstall(self):
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pass
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def check_permissions(self):
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"""
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Does the script have permissions to install, uninstall, start, and stop services?
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Return value must be a tuple (True/False, error_message_if_False).
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"""
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return (False, 'Permissions check not implemented')
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class WebServerBase(Base):
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def install(self):
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pass
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def uninstall(self):
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pass
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def get_service():
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service_name = 'web2py'
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service_label = 'web2py Service'
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if sys.platform == 'linux2':
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from linux import LinuxService as Service
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elif sys.platform == 'darwin':
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# from mac import MacService as Service
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sys.exit('Mac OS X is not yet supported.\n')
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elif sys.platform == 'win32':
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# from windows import WindowsService as Service
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sys.exit('Windows is not yet supported.\n')
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else:
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sys.exit('The following platform is not supported: %s.\n' % sys.platform)
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service = Service(service_name, service_label)
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return service
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if __name__ == '__main__':
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service = get_service()
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is_root, error_message = service.check_permissions()
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if not is_root:
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sys.exit(error_message)
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if len(sys.argv) >= 2:
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command = sys.argv[1]
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if command == 'start':
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service.start()
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elif command == 'stop':
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service.stop()
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elif command == 'restart':
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service.restart()
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elif command == 'status':
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print service.status() + '\n'
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elif command == 'run':
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service.run()
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elif command == 'install':
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service.install()
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elif command == 'uninstall':
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service.uninstall()
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elif command == 'install-apache':
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# from apache import Apache
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# server = Apache()
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# server.install()
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sys.exit('Configuring Apache is not yet supported.\n')
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elif command == 'uninstall-apache':
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# from apache import Apache
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# server = Apache()
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# server.uninstall()
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sys.exit('Configuring Apache is not yet supported.\n')
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else:
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sys.exit('Unknown command: %s' % command)
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else:
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print 'Usage: %s [command] \n' % sys.argv[0] + \
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'\tCommands:\n' + \
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'\t\tstart Starts the service\n' + \
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'\t\tstop Stop the service\n' + \
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'\t\trestart Restart the service\n' + \
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'\t\tstatus Check if the service is running\n' + \
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'\t\trun Run service is blocking mode\n' + \
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'\t\t (Press Ctrl + C to exit)\n' + \
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'\t\tinstall Install the service\n' + \
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'\t\tuninstall Uninstall the service\n' + \
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'\t\tinstall-apache Install as an Apache site\n' + \
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'\t\tuninstall-apache Uninstall from Apache\n'
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