111 lines
5.2 KiB
Python
111 lines
5.2 KiB
Python
# step-1
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for instance in conn.list_nodes():
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if instance.name in ['all-in-one','app-worker-1', 'app-worker-2', 'app-controller']:
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print('Destroying Instance: %s' % instance.name)
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conn.destroy_node(instance)
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for group in conn.ex_list_security_groups():
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if group.name in ['control', 'worker', 'api', 'services']:
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print('Deleting security group: %s' % group.name)
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conn.ex_delete_security_group(group)
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# step-2
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api_group = conn.ex_create_security_group('api', 'for API services only')
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conn.ex_create_security_group_rule(api_group, 'TCP', 80, 80)
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conn.ex_create_security_group_rule(api_group, 'TCP', 22, 22)
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worker_group = conn.ex_create_security_group('worker', 'for services that run on a worker node')
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conn.ex_create_security_group_rule(worker_group, 'TCP', 22, 22)
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controller_group = conn.ex_create_security_group('control', 'for services that run on a control node')
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conn.ex_create_security_group_rule(controller_group, 'TCP', 22, 22)
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conn.ex_create_security_group_rule(controller_group, 'TCP', 80, 80)
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conn.ex_create_security_group_rule(controller_group, 'TCP', 5672, 5672, source_security_group=worker_group)
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services_group = conn.ex_create_security_group('services', 'for DB and AMQP services only')
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conn.ex_create_security_group_rule(services_group, 'TCP', 22, 22)
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conn.ex_create_security_group_rule(services_group, 'TCP', 3306, 3306, source_security_group=api_group)
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conn.ex_create_security_group_rule(services_group, 'TCP', 5672, 5672, source_security_group=worker_group)
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conn.ex_create_security_group_rule(services_group, 'TCP', 5672, 5672, source_security_group=api_group)
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# step-3
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def get_floating_ip(conn):
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'''A helper function to re-use available Floating IPs'''
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unused_floating_ip = None
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for floating_ip in conn.ex_list_floating_ips():
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if not floating_ip.node_id:
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unused_floating_ip = floating_ip
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break
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if not unused_floating_ip:
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pool = conn.ex_list_floating_ip_pools()[0]
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unused_floating_ip = pool.create_floating_ip()
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return unused_floating_ip
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# step-4
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://opendev.org/openstack/faafo/raw/contrib/install.sh | bash -s -- \
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-i database -i messaging
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'''
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instance_services = conn.create_node(name='app-services',
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image=image,
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size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[services_group])
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instance_services = conn.wait_until_running([instance_services])[0][0]
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services_ip = instance_services.private_ips[0]
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# step-5
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://opendev.org/openstack/faafo/raw/contrib/install.sh | bash -s -- \
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-i faafo -r api -m 'amqp://guest:guest@%(services_ip)s:5672/' \
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-d 'mysql+pymysql://faafo:password@%(services_ip)s:3306/faafo'
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''' % { 'services_ip': services_ip }
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instance_api_1 = conn.create_node(name='app-api-1',
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image=image,
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size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[api_group])
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instance_api_2 = conn.create_node(name='app-api-2',
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image=image,
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size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[api_group])
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instance_api_1 = conn.wait_until_running([instance_api_1])[0][0]
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api_1_ip = instance_api_1.private_ips[0]
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instance_api_2 = conn.wait_until_running([instance_api_2])[0][0]
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api_2_ip = instance_api_2.private_ips[0]
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for instance in [instance_api_1, instance_api_2]:
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floating_ip = get_floating_ip(conn)
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conn.ex_attach_floating_ip_to_node(instance, floating_ip)
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print('allocated %(ip)s to %(host)s' % {'ip': floating_ip.ip_address, 'host': instance.name})
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# step-6
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://opendev.org/openstack/faafo/raw/contrib/install.sh | bash -s -- \
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-i faafo -r worker -e 'http://%(api_1_ip)s' -m 'amqp://guest:guest@%(services_ip)s:5672/'
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''' % {'api_1_ip': api_1_ip, 'services_ip': services_ip}
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instance_worker_1 = conn.create_node(name='app-worker-1',
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image=image, size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[worker_group])
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instance_worker_2 = conn.create_node(name='app-worker-2',
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image=image, size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[worker_group])
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instance_worker_3 = conn.create_node(name='app-worker-3',
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image=image, size=flavor,
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ex_keyname='demokey',
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ex_userdata=userdata,
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ex_security_groups=[worker_group])
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# step-7
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