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updated demo4 scale_out

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This commit is contained in:
Sebastian Rieger
2024-05-02 09:35:29 +02:00
parent 6d92f9c755
commit 12db4e6441
4 changed files with 168 additions and 129 deletions
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1
demo2_instance_with_init_script.py
View File

@@ -57,7 +57,6 @@ UBUNTU_IMAGE_NAME = "ubuntu-22.04-jammy-x86_64"
#
# id_rsa.pub should look like this (standard sshd pubkey format):
# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME
KEYPAIR_NAME = 'srieger-pub'
PUB_KEY_FILE = '~/.ssh/id_rsa.pub'

3
demo3_microservice.py
View File

@@ -1,7 +1,7 @@
"""Example for Cloud Computing Course Master AI / GSD"""
# This script demonstrates how to use libcloud to start an instance in an OpenStack environment.
# The script will create start multiple instances splitting up the faafo monolithic application into
# The script will start multiple instances splitting up the faafo monolithic application into
# a (minimalistic but already scalable) microservice architecture.
# Also introduces the concept of different security groups and corresponding frontend/backend
# separation.
@@ -55,7 +55,6 @@ UBUNTU_IMAGE_NAME = "ubuntu-22.04-jammy-x86_64"
#
# id_rsa.pub should look like this (standard sshd pubkey format):
# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME
KEYPAIR_NAME = 'srieger-pub'
PUB_KEY_FILE = '~/.ssh/id_rsa.pub'

166
demo4-scale-out.py → demo4_scale_out.py
View File

@@ -1,55 +1,73 @@
# import getpass
# import os
# import libcloud.security
"""Example for Cloud Computing Course Master AI / GSD"""
# This script demonstrates how to use libcloud to start an instance in an OpenStack environment.
# The script will start multiple instances splitting up the faafo monolithic application into
# a microservice architecture with scalable api (controller) and worker instances using a
# message queue and a database
# Needed if the password should be prompted for:
# import getpass
import os
import sys
import time
from libcloud.compute.providers import get_driver
from libcloud.compute.types import Provider
# reqs:
# services: nova, glance, neutron
# resources: 2 instances (m1.small), 2 floating ips (1 keypair, 2 security groups)
# For our new Charmed OpenStack private cloud, we need to specify the path to the root
# CA certificate
import libcloud.security
libcloud.security.CA_CERTS_PATH = ['./root-ca.crt']
# Disable SSL certificate verification (not recommended for production)
# libcloud.security.VERIFY_SSL_CERT = False
# Please use 1-29 for X in the following variable to specify your group number. (will be used for the username,
# project etc., as coordinated in the lab sessions)
# Please use 1-29 as environment variable GROUP_NUMBER to specify your group number.
# (will be used for the username, project etc., as coordinated in the lab sessions)
group_number = 2
group_number = os.environ.get('GROUP_NUMBER')
if group_number is None:
sys.exit('Please set the GROUP_NUMBER environment variable to your group number,\n'
'e.g., on Windows:\n'
' "$env:GROUP_NUMBER=0" or "set GROUP_NUMBER=0"\n'
'or on Linux/MacOS:\n'
' "export GROUP_NUMBER=0" or "set GROUP_NUMBER=0"')
# web service endpoint of the private cloud infrastructure
auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
# auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
AUTH_URL = 'https://10.32.4.182:5000'
# auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
# your username in OpenStack
auth_username = 'CloudComp' + str(group_number)
AUTH_USERNAME = 'CloudComp' + str(group_number)
print(f'Using username: {AUTH_USERNAME}\n')
# your project in OpenStack
project_name = 'CloudComp' + str(group_number)
PROJECT_NAME = 'CloudComp' + str(group_number)
# A network in the project the started instance will be attached to
project_network = 'CloudComp' + str(group_number) + '-net'
PROJECT_NETWORK = 'CloudComp' + str(group_number) + '-net'
# The image to look for and use for the started instance
#ubuntu_image_name = "Ubuntu 20.04 - Focal Fossa - 64-bit - Cloud Based Image"
# ubuntu_image_name = "Ubuntu 18.04 - Bionic Beaver - 64-bit - Cloud Based Image"
#UBUNTU_IMAGE_NAME = "auto-sync/ubuntu-jammy-22.04-amd64-server-20240319-disk1.img"
UBUNTU_IMAGE_NAME = "ubuntu-22.04-jammy-x86_64"
# The public key to be used for SSH connection, please make sure, that you have the corresponding private key
# The public key to be used for SSH connection, please make sure, that you have the
# corresponding private key
#
# id_rsa.pub should look like this (standard sshd pubkey format):
# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME
KEYPAIR_NAME = 'srieger-pub'
PUB_KEY_FILE = '~/.ssh/id_rsa.pub'
#keypair_name = 'CloudComp30-keypair'
keypair_name = "srieger-pub"
pub_key_file = '~/.ssh/id_rsa.pub'
flavor_name = 'm1.small'
FLAVOR_NAME = 'm1.small'
# default region
region_name = 'RegionOne'
# domain to use, "default" for local accounts, "hsfulda" for RZ LDAP, e.g., using fdaiXXXX as auth_username
domain_name = "default"
REGION_NAME = 'RegionOne'
# domain to use, "default" for local accounts, formerly "hsfulda" for LDAP accounts etc.
# domain_name = "default"
def main():
def main(): # noqa: C901 pylint: disable=too-many-branches,too-many-statements,too-many-locals,missing-function-docstring
###########################################################################
#
# get credentials
@@ -68,16 +86,14 @@ def main():
#
###########################################################################
# libcloud.security.VERIFY_SSL_CERT = False
provider = get_driver(Provider.OPENSTACK)
conn = provider(auth_username,
conn = provider(AUTH_USERNAME,
auth_password,
ex_force_auth_url=auth_url,
ex_force_auth_url=AUTH_URL,
ex_force_auth_version='3.x_password',
ex_tenant_name=project_name,
ex_force_service_region=region_name,
ex_domain_name=domain_name)
ex_tenant_name=PROJECT_NAME,
ex_force_service_region=REGION_NAME)
# ex_domain_name=domain_name)
###########################################################################
#
@@ -88,19 +104,19 @@ def main():
images = conn.list_images()
image = ''
for img in images:
if img.name == ubuntu_image_name:
if img.name == UBUNTU_IMAGE_NAME:
image = img
flavors = conn.list_sizes()
flavor = ''
for flav in flavors:
if flav.name == flavor_name:
if flav.name == FLAVOR_NAME:
flavor = conn.ex_get_size(flav.id)
networks = conn.ex_list_networks()
network = ''
for net in networks:
if net.name == project_network:
if net.name == PROJECT_NETWORK:
network = net
###########################################################################
@@ -112,14 +128,14 @@ def main():
print('Checking for existing SSH key pair...')
keypair_exists = False
for keypair in conn.list_key_pairs():
if keypair.name == keypair_name:
if keypair.name == KEYPAIR_NAME:
keypair_exists = True
if keypair_exists:
print(('Keypair ' + keypair_name + ' already exists. Skipping import.'))
print(('Keypair ' + KEYPAIR_NAME + ' already exists. Skipping import.'))
else:
print('adding keypair...')
conn.import_key_pair_from_file(keypair_name, pub_key_file)
conn.import_key_pair_from_file(KEYPAIR_NAME, PUB_KEY_FILE)
for keypair in conn.list_key_pairs():
print(keypair)
@@ -132,9 +148,10 @@ def main():
# destroy running demo instances
for instance in conn.list_nodes():
if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3', 'app-controller',
if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2',
'app-worker-3', 'app-controller',
'app-services', 'app-api-1', 'app-api-2']:
print(('Destroying Instance: %s' % instance.name))
print(f'Destroying Instance: ${instance.name}')
conn.destroy_node(instance)
# wait until all nodes are destroyed to be able to remove depended security groups
@@ -152,7 +169,7 @@ def main():
# delete security groups
for group in conn.ex_list_security_groups():
if group.name in ['control', 'worker', 'api', 'services']:
print(('Deleting security group: %s' % group.name))
print(f'Deleting security group: ${group.name}')
conn.ex_delete_security_group(group)
###########################################################################
@@ -166,7 +183,8 @@ def main():
print(('Checking for existing ' + security_group_name + ' security group...'))
for security_grp in connection.ex_list_security_groups():
if security_grp.name == security_group_name:
print(('Security Group ' + security_group_name + ' already exists. Skipping creation.'))
print(('Security Group ' + security_group_name +
' already exists. Skipping creation.'))
return worker_security_group
return False
@@ -178,20 +196,23 @@ def main():
api_security_group = get_security_group(conn, "api")
if not get_security_group(conn, "worker"):
worker_security_group = conn.ex_create_security_group('worker', 'for services that run on a worker node')
worker_security_group = conn.ex_create_security_group(
'worker', 'for services that run on a worker node')
conn.ex_create_security_group_rule(worker_security_group, 'TCP', 22, 22)
else:
worker_security_group = get_security_group(conn, "worker")
if not get_security_group(conn, "control"):
controller_security_group = conn.ex_create_security_group('control', 'for services that run on a control node')
controller_security_group = conn.ex_create_security_group(
'control', 'for services that run on a control node')
conn.ex_create_security_group_rule(controller_security_group, 'TCP', 22, 22)
conn.ex_create_security_group_rule(controller_security_group, 'TCP', 80, 80)
conn.ex_create_security_group_rule(controller_security_group, 'TCP', 5672, 5672,
source_security_group=worker_security_group)
if not get_security_group(conn, "services"):
services_security_group = conn.ex_create_security_group('services', 'for DB and AMQP services only')
services_security_group = conn.ex_create_security_group(
'services', 'for DB and AMQP services only')
conn.ex_create_security_group_rule(services_security_group, 'TCP', 22, 22)
conn.ex_create_security_group_rule(services_security_group, 'TCP', 3306, 3306,
source_security_group=api_security_group)
@@ -229,24 +250,18 @@ def main():
#
###########################################################################
#hsfd_faafo_cloud_init_script = 'https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh'
# testing / faafo dev branch:
hsfd_faafo_cloud_init_script = 'https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/branch/dev_faafo/faafo/contrib/install.sh'
userdata_service = '''#!/usr/bin/env bash
curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
-i database -i messaging
rabbitmqctl add_user faafo guest
rabbitmqctl set_user_tags faafo administrator
rabbitmqctl set_permissions -p / faafo ".*" ".*" ".*"
'''
userdata_service = '#!/usr/bin/env bash\n' \
'curl -L -s https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-' \
'examples/raw/master/faafo/contrib/install.sh | bash -s -- ' \
'-i database -i messaging\n'
print('\nUsing cloud-init userdata for service:\n"' + userdata_service + '"\n')
print('Starting new app-services instance and wait until it is running...')
instance_services = conn.create_node(name='app-services',
image=image,
size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_service,
ex_security_groups=[services_security_group])
instance_services = conn.wait_until_running(nodes=[instance_services], timeout=120,
@@ -259,18 +274,20 @@ def main():
#
###########################################################################
userdata_api = '''#!/usr/bin/env bash
curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
-i faafo -r api -m 'amqp://faafo:guest@%(services_ip)s:5672/' \
-d 'mysql+pymysql://faafo:password@%(services_ip)s:3306/faafo'
''' % {'services_ip': services_ip}
userdata_api = '#!/usr/bin/env bash\n' \
'curl -L -s https://gogs.informatik.hs-fulda.de/srieger/' \
'cloud-computing-msc-ai-examples/raw/master/faafo/contrib/' \
'install.sh | bash -s -- ' \
f'-i faafo -r api -m "amqp://faafo:guest@{services_ip}:5672/" ' \
f'-d "mysql+pymysql://faafo:password@{services_ip}:3306/faafo"'
print('\nUsing cloud-init userdata for api:\n"' + userdata_api + '"\n')
print('Starting new app-api-1 instance and wait until it is running...')
instance_api_1 = conn.create_node(name='app-api-1',
image=image,
size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_api,
ex_security_groups=[api_security_group])
@@ -279,7 +296,7 @@ def main():
image=image,
size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_api,
ex_security_groups=[api_security_group])
@@ -293,7 +310,8 @@ def main():
for instance in [instance_api_1, instance_api_2]:
floating_ip = get_floating_ip(conn)
conn.ex_attach_floating_ip_to_node(instance, floating_ip)
print(('allocated %(ip)s to %(host)s' % {'ip': floating_ip.ip_address, 'host': instance.name}))
print(('allocated %(ip)s to %(host)s' % {'ip': floating_ip.ip_address,
'host': instance.name}))
###########################################################################
#
@@ -301,10 +319,14 @@ def main():
#
###########################################################################
userdata_worker = '''#!/usr/bin/env bash
curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
-i faafo -r worker -e 'http://%(api_1_ip)s' -m 'amqp://faafo:guest@%(services_ip)s:5672/'
''' % {'api_1_ip': api_1_ip, 'services_ip': services_ip}
userdata_worker = '#!/usr/bin/env bash\n' \
'curl -L -s https://gogs.informatik.hs-fulda.de/srieger/' \
'cloud-computing-msc-ai-examples/raw/master/faafo/contrib/' \
'install.sh | bash -s -- ' \
f'-i faafo -r worker -e "http://{api_1_ip}" '\
f'-m "amqp://faafo:guest@{services_ip}:5672/"'
print('\nUsing cloud-init userdata for worker:\n"' + userdata_worker + '"\n')
# userdata_api-api-2 = '''#!/usr/bin/env bash
# curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
@@ -315,7 +337,7 @@ def main():
instance_worker_1 = conn.create_node(name='app-worker-1',
image=image, size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_worker,
ex_security_groups=[worker_security_group])
@@ -323,12 +345,12 @@ def main():
instance_worker_2 = conn.create_node(name='app-worker-2',
image=image, size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_worker,
ex_security_groups=[worker_security_group])
# do not start worker 3 initially, can be started using scale-out-add-worker.py demo
#print('Starting new app-worker-3 instance and wait until it is running...')
#instance_worker_3 = conn.create_node(name='app-worker-3',
# image=image, size=flavor,

127
demo4-scale-out-add-worker.py → demo4_scale_out_add_worker.py
View File

@@ -1,54 +1,71 @@
# import getpass
# import os
# import libcloud.security
"""Example for Cloud Computing Course Master AI / GSD"""
# This script demonstrates how to use libcloud to start an instance in an OpenStack environment.
# The script will add an additional worker to a running faafo example application
# Needed if the password should be prompted for:
# import getpass
import os
import sys
# import time
import time
from libcloud.compute.providers import get_driver
from libcloud.compute.types import Provider
# reqs:
# services: nova, glance, neutron
# resources: 2 instances (m1.small), 2 floating ips (1 keypair, 2 security groups)
# For our new Charmed OpenStack private cloud, we need to specify the path to the root
# CA certificate
import libcloud.security
libcloud.security.CA_CERTS_PATH = ['./root-ca.crt']
# Disable SSL certificate verification (not recommended for production)
# libcloud.security.VERIFY_SSL_CERT = False
# Please use 1-29 for X in the following variable to specify your group number. (will be used for the username,
# project etc., as coordinated in the lab sessions)
# Please use 1-29 as environment variable GROUP_NUMBER to specify your group number.
# (will be used for the username, project etc., as coordinated in the lab sessions)
group_number = X
group_number = os.environ.get('GROUP_NUMBER')
if group_number is None:
sys.exit('Please set the GROUP_NUMBER environment variable to your group number,\n'
'e.g., on Windows:\n'
' "$env:GROUP_NUMBER=0" or "set GROUP_NUMBER=0"\n'
'or on Linux/MacOS:\n'
' "export GROUP_NUMBER=0" or "set GROUP_NUMBER=0"')
# web service endpoint of the private cloud infrastructure
auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
# auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
AUTH_URL = 'https://10.32.4.182:5000'
# auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
# your username in OpenStack
auth_username = 'CloudComp' + str(group_number)
AUTH_USERNAME = 'CloudComp' + str(group_number)
print(f'Using username: {AUTH_USERNAME}\n')
# your project in OpenStack
project_name = 'CloudComp' + str(group_number)
PROJECT_NAME = 'CloudComp' + str(group_number)
# A network in the project the started instance will be attached to
project_network = 'CloudComp' + str(group_number) + '-net'
PROJECT_NETWORK = 'CloudComp' + str(group_number) + '-net'
# The image to look for and use for the started instance
#ubuntu_image_name = "Ubuntu 20.04 - Focal Fossa - 64-bit - Cloud Based Image"
# ubuntu_image_name = "Ubuntu 18.04 - Bionic Beaver - 64-bit - Cloud Based Image"
#UBUNTU_IMAGE_NAME = "auto-sync/ubuntu-jammy-22.04-amd64-server-20240319-disk1.img"
UBUNTU_IMAGE_NAME = "ubuntu-22.04-jammy-x86_64"
# The public key to be used for SSH connection, please make sure, that you have the corresponding private key
# The public key to be used for SSH connection, please make sure, that you have the
# corresponding private key
#
# id_rsa.pub should look like this (standard sshd pubkey format):
# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME
KEYPAIR_NAME = 'srieger-pub'
PUB_KEY_FILE = '~/.ssh/id_rsa.pub'
#keypair_name = 'CloudComp30-keypair'
keypair_name = "srieger-pub"
pub_key_file = '~/.ssh/id_rsa.pub'
flavor_name = 'm1.small'
FLAVOR_NAME = 'm1.small'
# default region
region_name = 'RegionOne'
# domain to use, "default" for local accounts, "hsfulda" for RZ LDAP, e.g., using fdaiXXXX as auth_username
domain_name = "default"
REGION_NAME = 'RegionOne'
# domain to use, "default" for local accounts, formerly "hsfulda" for LDAP accounts etc.
# domain_name = "default"
def main():
def main(): # noqa: C901 pylint: disable=too-many-branches,too-many-statements,too-many-locals,missing-function-docstring
###########################################################################
#
# get credentials
@@ -67,16 +84,14 @@ def main():
#
###########################################################################
# libcloud.security.VERIFY_SSL_CERT = False
provider = get_driver(Provider.OPENSTACK)
conn = provider(auth_username,
conn = provider(AUTH_USERNAME,
auth_password,
ex_force_auth_url=auth_url,
ex_force_auth_url=AUTH_URL,
ex_force_auth_version='3.x_password',
ex_tenant_name=project_name,
ex_force_service_region=region_name,
ex_domain_name=domain_name)
ex_tenant_name=PROJECT_NAME,
ex_force_service_region=REGION_NAME)
# ex_domain_name=domain_name)
###########################################################################
#
@@ -87,25 +102,25 @@ def main():
images = conn.list_images()
image = ''
for img in images:
if img.name == ubuntu_image_name:
if img.name == UBUNTU_IMAGE_NAME:
image = img
flavors = conn.list_sizes()
flavor = ''
for flav in flavors:
if flav.name == flavor_name:
if flav.name == FLAVOR_NAME:
flavor = conn.ex_get_size(flav.id)
networks = conn.ex_list_networks()
network = ''
for net in networks:
if net.name == project_network:
if net.name == PROJECT_NETWORK:
network = net
###########################################################################
#
# get fixed a ip for service and api instance
# (better would be shared IP for the cluster etc.)
# (better would be shared IP for the cluster etc.)
#
###########################################################################
@@ -113,10 +128,11 @@ def main():
for instance in conn.list_nodes():
if instance.name == 'app-services':
services_ip = instance.private_ips[0]
print(('Found app-services fixed IP to be: ', services_ip))
print(('Found app-services fixed IP to be: ', services_ip))
if instance.name == 'app-api-1':
api_1_ip = instance.private_ips[0]
print(('Found app-api-1 fixed IP to be: ', api_1_ip))
print(('Found app-api-1 fixed IP to be: ', api_1_ip))
###########################################################################
#
@@ -127,18 +143,19 @@ def main():
print('Checking for existing SSH key pair...')
keypair_exists = False
for keypair in conn.list_key_pairs():
if keypair.name == keypair_name:
if keypair.name == KEYPAIR_NAME:
keypair_exists = True
if keypair_exists:
print(('Keypair ' + keypair_name + ' already exists. Skipping import.'))
print(('Keypair ' + KEYPAIR_NAME + ' already exists. Skipping import.'))
else:
print('adding keypair...')
conn.import_key_pair_from_file(keypair_name, pub_key_file)
conn.import_key_pair_from_file(KEYPAIR_NAME, PUB_KEY_FILE)
for keypair in conn.list_key_pairs():
print(keypair)
###########################################################################
#
# create security group dependency
@@ -150,33 +167,35 @@ def main():
print(('Checking for existing ' + security_group_name + ' security group...'))
for security_grp in connection.ex_list_security_groups():
if security_grp.name == security_group_name:
print(('Security Group ' + security_group_name + ' already exists. Skipping creation.'))
print(('Security Group ' + security_group_name +
' already exists. Skipping creation.'))
return security_grp
return False
if not get_security_group(conn, "worker"):
worker_security_group = conn.ex_create_security_group('worker', 'for services that run on a worker node')
worker_security_group = conn.ex_create_security_group(
'worker', 'for services that run on a worker node')
conn.ex_create_security_group_rule(worker_security_group, 'TCP', 22, 22)
else:
worker_security_group = get_security_group(conn, "worker")
for security_group in conn.ex_list_security_groups():
print(security_group)
###########################################################################
#
# create worker instances
#
###########################################################################
#hsfd_faafo_cloud_init_script = 'https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh'
# testing / faafo dev branch:
hsfd_faafo_cloud_init_script = 'https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/branch/dev_faafo/faafo/contrib/install.sh'
userdata_worker = '''#!/usr/bin/env bash
curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
-i faafo -r worker -e 'http://%(api_1_ip)s' -m 'amqp://faafo:guest@%(services_ip)s:5672/'
''' % {'api_1_ip': api_1_ip, 'services_ip': services_ip}
userdata_worker = '#!/usr/bin/env bash\n' \
'curl -L -s https://gogs.informatik.hs-fulda.de/srieger/' \
'cloud-computing-msc-ai-examples/raw/master/faafo/contrib/' \
'install.sh | bash -s -- ' \
f'-i faafo -r worker -e "http://{api_1_ip}" '\
f'-m "amqp://faafo:guest@{services_ip}:5672/"'
print('\nUsing cloud-init userdata for worker:\n"' + userdata_worker + '"\n')
# userdata-api-2 = '''#!/usr/bin/env bash
# curl -L -s ''' + hsfd_faafo_cloud_init_script + ''' | bash -s -- \
@@ -187,7 +206,7 @@ def main():
instance_worker_3 = conn.create_node(name='app-worker-3',
image=image, size=flavor,
networks=[network],
ex_keyname=keypair_name,
ex_keyname=KEYPAIR_NAME,
ex_userdata=userdata_worker,
ex_security_groups=[worker_security_group])