diff --git a/demo2_instance_with_init_script.py b/demo2_instance_with_init_script.py index 745b140..0e317d1 100644 --- a/demo2_instance_with_init_script.py +++ b/demo2_instance_with_init_script.py @@ -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' diff --git a/demo3_microservice.py b/demo3_microservice.py index a00c514..f4765d6 100644 --- a/demo3_microservice.py +++ b/demo3_microservice.py @@ -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' diff --git a/demo4-scale-out.py b/demo4_scale_out.py similarity index 70% rename from demo4-scale-out.py rename to demo4_scale_out.py index b8b87af..b119652 100644 --- a/demo4-scale-out.py +++ b/demo4_scale_out.py @@ -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, diff --git a/demo4-scale-out-add-worker.py b/demo4_scale_out_add_worker.py similarity index 60% rename from demo4-scale-out-add-worker.py rename to demo4_scale_out_add_worker.py index 9e182b4..249e5ff 100644 --- a/demo4-scale-out-add-worker.py +++ b/demo4_scale_out_add_worker.py @@ -1,54 +1,71 @@ +"""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 libcloud.security +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])