solar/example-puppet.py
2015-09-01 09:33:52 +02:00

593 lines
24 KiB
Python

#!/usr/bin/env python
import click
import sys
import time
from solar.core import actions
from solar.core import resource
from solar.core import signals
from solar.core import validation
from solar.core.resource import virtual_resource as vr
from solar import errors
from solar.interfaces.db import get_db
GIT_PUPPET_LIBS_URL = 'https://github.com/CGenie/puppet-libs-resource'
# TODO
# Resource for repository OR puppet apt-module in run.pp
# add-apt-repository cloud-archive:juno
# To discuss: install stuff in Docker container
# NOTE
# No copy of manifests, pull from upstream (implemented in the puppet handler)
# Official puppet manifests, not fuel-library
db = get_db()
@click.group()
def main():
pass
def setup_resources():
db.clear()
signals.Connections.clear()
node1, node2 = vr.create('nodes', 'templates/nodes.yml', {})
# MARIADB
mariadb_service1 = vr.create('mariadb_service1', 'resources/mariadb_service', {
'image': 'mariadb',
'port': 3306
})[0]
signals.connect(node1, mariadb_service1)
# RABBIT
rabbitmq_service1 = vr.create('rabbitmq_service1', 'resources/rabbitmq_service/', {
'management_port': 15672,
'port': 5672,
})[0]
openstack_vhost = vr.create('openstack_vhost', 'resources/rabbitmq_vhost/', {
'vhost_name': 'openstack'
})[0]
openstack_rabbitmq_user = vr.create('openstack_rabbitmq_user', 'resources/rabbitmq_user/', {
'user_name': 'openstack',
'password': 'openstack_password'
})[0]
signals.connect(node1, rabbitmq_service1)
signals.connect(rabbitmq_service1, openstack_vhost)
signals.connect(rabbitmq_service1, openstack_rabbitmq_user)
signals.connect(openstack_vhost, openstack_rabbitmq_user, {
'vhost_name',
})
# KEYSTONE
keystone_puppet = vr.create('keystone_puppet', 'resources/keystone_puppet', {})[0]
keystone_db = vr.create('keystone_db', 'resources/mariadb_db/', {
'db_name': 'keystone_db',
'login_user': 'root'
})[0]
keystone_db_user = vr.create('keystone_db_user', 'resources/mariadb_user/', {
'user_name': 'keystone',
'user_password': 'keystone',
})[0]
keystone_service_endpoint = vr.create('keystone_service_endpoint', 'resources/keystone_service_endpoint', {
'endpoint_name': 'keystone',
'adminurl': 'http://{{admin_ip}}:{{admin_port}}/v2.0',
'internalurl': 'http://{{internal_ip}}:{{internal_port}}/v2.0',
'publicurl': 'http://{{public_ip}}:{{public_port}}/v2.0',
'description': 'OpenStack Identity Service',
'type': 'identity'
})[0]
admin_tenant = vr.create('admin_tenant', 'resources/keystone_tenant', {
'tenant_name': 'admin'
})[0]
admin_user = vr.create('admin_user', 'resources/keystone_user', {
'user_name': 'admin',
'user_password': 'admin'
})[0]
admin_role = vr.create('admin_role', 'resources/keystone_role', {
'role_name': 'admin'
})[0]
services_tenant = vr.create('services_tenant', 'resources/keystone_tenant', {
'tenant_name': 'services'
})[0]
signals.connect(node1, keystone_db)
signals.connect(node1, keystone_db_user)
signals.connect(node1, keystone_puppet)
signals.connect(mariadb_service1, keystone_db, {
'port': 'login_port',
'root_user': 'login_user',
'root_password': 'login_password',
'ip' : 'db_host',
})
signals.connect(keystone_db, keystone_db_user, {
'db_name',
'login_port',
'login_user',
'login_password',
'db_host'
})
signals.connect(node1, keystone_service_endpoint)
signals.connect(keystone_puppet, keystone_service_endpoint, {
'admin_token': 'admin_token',
'admin_port': ['admin_port', 'keystone_admin_port'],
'ip': ['keystone_host', 'admin_ip', 'internal_ip', 'public_ip'],
'port': ['internal_port', 'public_port'],
})
signals.connect(keystone_puppet, admin_tenant)
signals.connect(keystone_puppet, admin_tenant, {
'admin_port': 'keystone_port',
'ip': 'keystone_host'
})
signals.connect(admin_tenant, admin_user)
signals.connect(admin_user, admin_role)
signals.connect(keystone_puppet, services_tenant)
signals.connect(keystone_puppet, services_tenant, {
'admin_port': 'keystone_port',
'ip': 'keystone_host'
})
signals.connect(keystone_db, keystone_puppet, {
'db_name',
})
signals.connect(keystone_db_user, keystone_puppet, {
'user_name': 'db_user',
'user_password': 'db_password',
'db_host' : 'db_host'
})
# OPENRC
openrc = vr.create('openrc_file', 'resources/openrc_file', {})[0]
signals.connect(node1, openrc)
signals.connect(keystone_puppet, openrc, {'ip': 'keystone_host', 'admin_port':'keystone_port'})
signals.connect(admin_user, openrc, {'user_name': 'user_name','user_password':'password', 'tenant_name': 'tenant'})
# NEUTRON
# TODO: vhost cannot be specified in neutron Puppet manifests so this user has to be admin anyways
neutron_puppet = vr.create('neutron_puppet', 'resources/neutron_puppet', {})[0]
neutron_keystone_user = vr.create('neutron_keystone_user', 'resources/keystone_user', {
'user_name': 'neutron',
'user_password': 'neutron'
})[0]
neutron_keystone_role = vr.create('neutron_keystone_role', 'resources/keystone_role', {
'role_name': 'admin'
})[0]
neutron_keystone_service_endpoint = vr.create('neutron_keystone_service_endpoint', 'resources/keystone_service_endpoint', {
'endpoint_name': 'neutron',
'adminurl': 'http://{{admin_ip}}:{{admin_port}}',
'internalurl': 'http://{{internal_ip}}:{{internal_port}}',
'publicurl': 'http://{{public_ip}}:{{public_port}}',
'description': 'OpenStack Network Service',
'type': 'network'
})[0]
signals.connect(node1, neutron_puppet)
signals.connect(rabbitmq_service1, neutron_puppet, {
'ip': 'rabbitmq_host',
'port': 'rabbitmq_port'
})
signals.connect(openstack_rabbitmq_user, neutron_puppet, {
'user_name': 'rabbitmq_user',
'password': 'rabbitmq_password'})
signals.connect(openstack_vhost, neutron_puppet, {
'vhost_name': 'rabbitmq_virtual_host'})
signals.connect(admin_user, neutron_puppet, {
'user_name': 'keystone_user',
'user_password': 'keystone_password',
'tenant_name': 'keystone_tenant'
})
signals.connect(keystone_puppet, neutron_puppet, {
'ip': 'keystone_host',
'port': 'keystone_port'
})
signals.connect(services_tenant, neutron_keystone_user)
signals.connect(neutron_keystone_user, neutron_keystone_role)
signals.connect(keystone_puppet, neutron_keystone_service_endpoint, {
'ip': ['ip', 'keystone_host'],
'ssh_key': 'ssh_key',
'ssh_user': 'ssh_user',
'admin_port': 'keystone_admin_port',
'admin_token': 'admin_token',
})
signals.connect(neutron_puppet, neutron_keystone_service_endpoint, {
'ip': ['admin_ip', 'internal_ip', 'public_ip'],
'port': ['admin_port', 'internal_port', 'public_port'],
})
# CINDER
cinder_puppet = vr.create('cinder_puppet', 'resources/cinder_puppet', {})[0]
cinder_db = vr.create('cinder_db', 'resources/mariadb_db/', {
'db_name': 'cinder_db', 'login_user': 'root'})[0]
cinder_db_user = vr.create('cinder_db_user', 'resources/mariadb_user/', {
'user_name': 'cinder', 'user_password': 'cinder', 'login_user': 'root'})[0]
cinder_keystone_user = vr.create('cinder_keystone_user', 'resources/keystone_user', {
'user_name': 'cinder', 'user_password': 'cinder'})[0]
cinder_keystone_role = vr.create('cinder_keystone_role', 'resources/keystone_role', {
'role_name': 'admin'})[0]
cinder_keystone_service_endpoint = vr.create(
'cinder_keystone_service_endpoint',
'resources/keystone_service_endpoint', {
'endpoint_name': 'cinder',
'adminurl': 'http://{{admin_ip}}:{{admin_port}}/v2/%(tenant_id)s',
'internalurl': 'http://{{internal_ip}}:{{internal_port}}/v2/%(tenant_id)s',
'publicurl': 'http://{{public_ip}}:{{public_port}}/v2/%(tenant_id)s',
'description': 'OpenStack Block Storage Service', 'type': 'volume'})[0]
signals.connect(node1, cinder_puppet)
signals.connect(node1, cinder_db)
signals.connect(node1, cinder_db_user)
signals.connect(rabbitmq_service1, cinder_puppet, {'ip': 'rabbit_host', 'port': 'rabbit_port'})
signals.connect(admin_user, cinder_puppet, {'user_name': 'keystone_user', 'user_password': 'keystone_password', 'tenant_name': 'keystone_tenant'}) #?
signals.connect(openstack_vhost, cinder_puppet, {'vhost_name': 'rabbit_virtual_host'})
signals.connect(openstack_rabbitmq_user, cinder_puppet, {'user_name': 'rabbit_userid', 'password': 'rabbit_password'})
signals.connect(mariadb_service1, cinder_db, {
'port': 'login_port',
'root_password': 'login_password',
'root_user': 'login_user',
'ip' : 'db_host'})
signals.connect(mariadb_service1, cinder_db_user, {'port': 'login_port', 'root_password': 'login_password'})
signals.connect(cinder_db, cinder_db_user, {'db_name', 'db_host'})
signals.connect(cinder_db_user, cinder_puppet, {
'user_name':'db_user',
'db_name':'db_name',
'user_password':'db_password',
'db_host' : 'db_host'})
signals.connect(keystone_puppet, cinder_puppet, {'ip': 'keystone_host', 'admin_port': 'keystone_port'}) #or non admin port?
signals.connect(services_tenant, cinder_keystone_user)
signals.connect(cinder_keystone_user, cinder_keystone_role)
signals.connect(cinder_keystone_user, cinder_puppet, {'user_name': 'keystone_user', 'tenant_name': 'keystone_tenant', 'user_password': 'keystone_password'})
signals.connect(mariadb_service1, cinder_puppet, {'ip':'ip'})
signals.connect(cinder_puppet, cinder_keystone_service_endpoint, {
'ssh_key': 'ssh_key', 'ssh_user': 'ssh_user',
'ip': ['ip', 'keystone_host', 'admin_ip', 'internal_ip', 'public_ip'],
'port': ['admin_port', 'internal_port', 'public_port'],})
signals.connect(keystone_puppet, cinder_keystone_service_endpoint, {
'admin_port': 'keystone_admin_port', 'admin_token': 'admin_token'})
# CINDER GLANCE
# Deploy chain: cinder_puppet -> cinder_glance -> ( cinder_api, cinder_scheduler, cinder_volume )
cinder_glance_puppet = vr.create('cinder_glance_puppet', 'resources/cinder_glance_puppet', {})[0]
signals.connect(node1, cinder_glance_puppet)
# CINDER API
cinder_api_puppet = vr.create('cinder_api_puppet', 'resources/cinder_api_puppet', {})[0]
signals.connect(node1, cinder_api_puppet)
signals.connect(cinder_puppet, cinder_api_puppet, {
'keystone_password', 'keystone_tenant', 'keystone_user'})
signals.connect(cinder_puppet, cinder_api_puppet, {
'keystone_host': 'keystone_auth_host',
'keystone_port': 'keystone_auth_port'})
# CINDER SCHEDULER
cinder_scheduler_puppet = vr.create('cinder_scheduler_puppet', 'resources/cinder_scheduler_puppet', {})[0]
signals.connect(node1, cinder_scheduler_puppet)
signals.connect(cinder_puppet, cinder_scheduler_puppet)
# CINDER VOLUME
cinder_volume_puppet = vr.create('cinder_volume_puppet', 'resources/cinder_volume_puppet', {})[0]
signals.connect(node1, cinder_volume_puppet)
signals.connect(cinder_puppet, cinder_volume_puppet)
# NOVA
nova_puppet = vr.create('nova_puppet', 'resources/nova_puppet', {})[0]
nova_db = vr.create('nova_db', 'resources/mariadb_db/', {
'db_name': 'nova_db',
'login_user': 'root'})[0]
nova_db_user = vr.create('nova_db_user', 'resources/mariadb_user/', {
'user_name': 'nova',
'user_password': 'nova',
'login_user': 'root'})[0]
nova_keystone_user = vr.create('nova_keystone_user', 'resources/keystone_user', {
'user_name': 'nova',
'user_password': 'nova'})[0]
nova_keystone_role = vr.create('nova_keystone_role', 'resources/keystone_role', {
'role_name': 'admin'})[0]
nova_keystone_service_endpoint = vr.create('nova_keystone_service_endpoint', 'resources/keystone_service_endpoint', {
'endpoint_name': 'nova',
'adminurl': 'http://{{admin_ip}}:{{admin_port}}/v2/%(tenant_id)s',
'internalurl': 'http://{{internal_ip}}:{{internal_port}}/v2/%(tenant_id)s',
'publicurl': 'http://{{public_ip}}:{{public_port}}/v2/%(tenant_id)s',
'description': 'OpenStack Compute Service',
'type': 'compute'})[0]
signals.connect(node1, nova_puppet)
signals.connect(node1, nova_db)
signals.connect(node1, nova_db_user)
signals.connect(mariadb_service1, nova_db, {
'port': 'login_port',
'root_password': 'login_password',
'root_user': 'login_user',
'ip' : 'db_host'})
signals.connect(mariadb_service1, nova_db_user, {
'port': 'login_port',
'root_password': 'login_password'})
signals.connect(admin_user, nova_puppet, {'user_name': 'keystone_user', 'user_password': 'keystone_password', 'tenant_name': 'keystone_tenant'}) #?
signals.connect(openstack_vhost, nova_puppet, {'vhost_name': 'rabbit_virtual_host'})
signals.connect(nova_db, nova_db_user, {'db_name', 'db_host'})
signals.connect(services_tenant, nova_keystone_user)
signals.connect(nova_keystone_user, nova_keystone_role)
signals.connect(keystone_puppet, nova_puppet, {
'ip': 'keystone_host',
'admin_port': 'keystone_port'})
signals.connect(nova_keystone_user, nova_puppet, {
'user_name': 'keystone_user',
'tenant_name': 'keystone_tenant',
'user_password': 'keystone_password'})
signals.connect(rabbitmq_service1, nova_puppet, {
'ip': 'rabbit_host', 'port': 'rabbit_port'})
signals.connect(openstack_rabbitmq_user, nova_puppet, {
'user_name': 'rabbit_userid',
'password': 'rabbit_password'})
signals.connect(keystone_puppet, nova_keystone_service_endpoint, {
'ip': 'keystone_host',
'admin_port': 'keystone_admin_port',
'admin_token': 'admin_token'})
signals.connect(mariadb_service1, nova_puppet, {
'ip':'db_host'})
signals.connect(nova_db_user, nova_puppet, {
'user_name':'db_user',
'db_name':'db_name',
'user_password':'db_password',
'db_host' : 'db_host'})
signals.connect(nova_puppet, nova_keystone_service_endpoint, {
'ip': ['ip', 'keystone_host', 'public_ip', 'internal_ip', 'admin_ip'],
'port': ['admin_port', 'internal_port', 'public_port'],
'ssh_key': 'ssh_key',
'ssh_user': 'ssh_user'})
# NOVA API
nova_api_puppet = vr.create('nova_api_puppet', 'resources/nova_api_puppet', {})[0]
signals.connect(node1, nova_api_puppet)
signals.connect(nova_puppet, nova_api_puppet, {
'keystone_tenant': 'admin_tenant_name',
'keystone_user': 'admin_user',
'keystone_password': 'admin_password',
'keystone_host': 'auth_host',
'keystone_port': 'auth_port'})
# NOVA CONDUCTOR
nova_conductor_puppet = vr.create('nova_conductor_puppet', 'resources/nova_conductor_puppet', {})[0]
signals.connect(node1, nova_conductor_puppet)
signals.connect(nova_puppet, nova_conductor_puppet)
# NOVA COMPUTE
# Deploy chain (nova, node_networking(TODO)) -> (nova_compute_libvirt, nova_neutron) -> nova_compute
nova_compute_puppet = vr.create('nova_compute_puppet', 'resources/nova_compute_puppet', {})[0]
# TODO (bogdando) figure out how to use it for multiple glance api servers
nova_puppet2 = vr.create('nova_puppet2', 'resources/nova_puppet', {
'glance_api_servers': '{{glance_api_servers_host}}:{{glance_api_servers_port}}'
})[0]
signals.connect(nova_puppet, nova_puppet2, {
'ensure_package', 'rabbit_host',
'rabbit_password', 'rabbit_port', 'rabbit_userid',
'rabbit_virtual_host', 'db_user', 'db_password',
'db_name', 'db_host', 'keystone_password',
'keystone_port', 'keystone_host', 'keystone_tenant',
'keystone_user',
})
# TODO(bogdando): Make a connection for nova_puppet2.glance_api_servers = "glance_api_puppet.ip:glance_api_puppet.bind_port"
signals.connect(node2, nova_puppet2)
signals.connect(node2, nova_compute_puppet)
# NOVA COMPUTE LIBVIRT, NOVA_NEUTRON
# NOTE(bogdando): changes nova config, so should notify nova compute service
nova_compute_libvirt_puppet = vr.create('nova_compute_libvirt_puppet', 'resources/nova_compute_libvirt_puppet', {})[0]
signals.connect(node2, nova_compute_libvirt_puppet)
nova_neutron_puppet = vr.create('nova_neutron_puppet', 'resources/nova_neutron_puppet', {})[0]
signals.connect(node2, nova_neutron_puppet)
# signals.connect(keystone_puppet, nova_network_puppet, {'ip': 'keystone_host', 'port': 'keystone_port'})
# signals.connect(keystone_puppet, nova_keystone_service_endpoint, {'ip': 'keystone_host', 'admin_port': 'keystone_port', 'admin_token': 'admin_token'})
# signals.connect(rabbitmq_service1, nova_network_puppet, {'ip': 'rabbitmq_host', 'port': 'rabbitmq_port'})
# GLANCE (base and API)
glance_api_puppet = vr.create('glance_api_puppet', 'resources/glance_puppet', {})[0]
glance_db_user = vr.create('glance_db_user', 'resources/mariadb_user/', {
'user_name': 'glance', 'user_password': 'glance', 'login_user': 'root'})[0]
glance_db = vr.create('glance_db', 'resources/mariadb_db/', {
'db_name': 'glance', 'login_user': 'root'})[0]
glance_keystone_user = vr.create('glance_keystone_user', 'resources/keystone_user', {
'user_name': 'glance', 'user_password': 'glance123'})[0]
glance_keystone_role = vr.create('glance_keystone_role', 'resources/keystone_role', {
'role_name': 'admin'})[0]
glance_keystone_service_endpoint = vr.create(
'glance_keystone_service_endpoint',
'resources/keystone_service_endpoint', {
'endpoint_name': 'glance',
'adminurl': 'http://{{admin_ip}}:{{admin_port}}',
'internalurl': 'http://{{internal_ip}}:{{internal_port}}',
'publicurl': 'http://{{public_ip}}:{{public_port}}',
'description': 'OpenStack Image Service', 'type': 'volume'})[0]
signals.connect(node1, glance_api_puppet)
signals.connect(node1, glance_db)
signals.connect(node1, glance_db_user)
signals.connect(admin_user, glance_api_puppet, {
'user_name': 'keystone_user', 'user_password': 'keystone_password',
'tenant_name': 'keystone_tenant'}) #?
signals.connect(mariadb_service1, glance_db, {
'port': 'login_port',
'root_password': 'login_password',
'root_user': 'login_user',
'ip' : 'db_host'})
signals.connect(mariadb_service1, glance_db_user, {'port': 'login_port', 'root_password': 'login_password'})
signals.connect(glance_db, glance_db_user, {'db_name', 'db_host'})
signals.connect(glance_db_user, glance_api_puppet, {
'user_name':'db_user',
'db_name':'db_name',
'user_password':'db_password',
'db_host' : 'db_host'})
signals.connect(keystone_puppet, glance_api_puppet, {'ip': 'keystone_host', 'admin_port': 'keystone_port'}) #or non admin port?
signals.connect(services_tenant, glance_keystone_user)
signals.connect(glance_keystone_user, glance_keystone_role)
signals.connect(glance_keystone_user, glance_api_puppet, {
'user_name': 'keystone_user', 'tenant_name': 'keystone_tenant',
'user_password': 'keystone_password'})
signals.connect(mariadb_service1, glance_api_puppet, {'ip':'ip'})
signals.connect(glance_api_puppet, glance_keystone_service_endpoint, {
'ssh_key': 'ssh_key', 'ssh_user': 'ssh_user',
'ip': ['ip', 'keystone_host', 'admin_ip', 'internal_ip', 'public_ip'],
'bind_port': ['admin_port', 'internal_port', 'public_port'],})
signals.connect(keystone_puppet, glance_keystone_service_endpoint, {
'admin_port': 'keystone_admin_port', 'admin_token': 'admin_token'})
# GLANCE REGISTRY
glance_registry_puppet = vr.create('glance_registry_puppet', 'resources/glance_registry_puppet', {})[0]
signals.connect(node1, glance_registry_puppet)
signals.connect(glance_api_puppet, glance_registry_puppet)
# API and registry should not listen same ports
# should not use the same log destination and a pipeline,
# so disconnect them and restore the defaults
signals.disconnect_receiver_by_input(glance_registry_puppet, 'bind_port')
signals.disconnect_receiver_by_input(glance_registry_puppet, 'log_file')
signals.disconnect_receiver_by_input(glance_registry_puppet, 'pipeline')
glance_registry_puppet.update({
'bind_port': 9191,
'log_file': '/var/log/glance/registry.log',
'pipeline': 'keystone',
})
# Update glance_api_service for cinder
signals.connect(glance_api_puppet, cinder_glance_puppet, {
'ip': 'glance_api_servers_host',
'bind_port': 'glance_api_servers_port'
})
# Update glance_api_service for nova compute
signals.connect(glance_api_puppet, nova_puppet2, {
'ip': 'glance_api_servers_host',
'bind_port': 'glance_api_servers_port'
})
has_errors = False
for r in locals().values():
if not isinstance(r, resource.Resource):
continue
print 'Validating {}'.format(r.name)
errors = validation.validate_resource(r)
if errors:
has_errors = True
print 'ERROR: %s: %s' % (r.name, errors)
if has_errors:
sys.exit(1)
resources_to_run = [
'rabbitmq_service1',
'openstack_vhost',
'openstack_rabbitmq_user',
'mariadb_service1',
'keystone_db',
'keystone_db_user',
'keystone_puppet',
'openrc_file',
'admin_tenant',
'admin_user',
'admin_role',
'keystone_service_endpoint',
'services_tenant',
'neutron_keystone_user',
'neutron_keystone_role',
'neutron_puppet',
'neutron_keystone_service_endpoint',
'cinder_db',
'cinder_db_user',
'cinder_keystone_user',
'cinder_keystone_role',
'cinder_puppet',
'cinder_keystone_service_endpoint',
'cinder_glance_puppet',
'cinder_api_puppet',
'cinder_scheduler_puppet',
'cinder_volume_puppet',
'nova_db',
'nova_db_user',
'nova_keystone_user',
'nova_keystone_role',
'nova_puppet',
'nova_keystone_service_endpoint',
'nova_api_puppet',
'nova_conductor_puppet',
'nova_puppet2',
'nova_compute_libvirt_puppet',
'nova_neutron_puppet',
'nova_compute_puppet',
'glance_db',
'glance_db_user',
'glance_keystone_user',
'glance_keystone_role',
'glance_keystone_service_endpoint',
'glance_api_puppet',
'glance_registry_puppet',
]
@click.command()
def deploy():
setup_resources()
# run
resources = map(resource.wrap_resource, db.get_list(collection=db.COLLECTIONS.resource))
resources = {r.name: r for r in resources}
for name in resources_to_run:
try:
actions.resource_action(resources[name], 'run')
except errors.SolarError as e:
print 'WARNING: %s' % str(e)
raise
time.sleep(10)
@click.command()
def undeploy():
resources = map(resource.wrap_resource, db.get_list(collection=db.COLLECTIONS.resource))
resources = {r.name: r for r in resources}
for name in reversed(resources_to_run):
try:
actions.resource_action(resources[name], 'remove')
except errors.SolarError as e:
print 'WARNING: %s' % str(e)
db.clear()
signals.Connections.clear()
main.add_command(deploy)
main.add_command(undeploy)
if __name__ == '__main__':
main()