3 changed files with 520 additions and 0 deletions
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5example-projects/demo3-microservice-in-aws.py
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133example-projects/demo4-scale-out-lb-in-aws-destroy.py
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382example-projects/demo4-scale-out-lb-in-aws.py
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# import getpass |
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# import os |
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# import libcloud.security |
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import time |
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from libcloud.compute.base import NodeImage |
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from libcloud.compute.base import NodeState |
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from libcloud.compute.providers import get_driver as compute_get_driver |
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from libcloud.compute.types import Provider as compute_Provider |
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from libcloud.loadbalancer.base import Member, Algorithm |
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from libcloud.loadbalancer.types import Provider as loadbalancer_Provider |
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from libcloud.loadbalancer.providers import get_driver as loadbalancer_get_driver |
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# reqs: |
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# services: EC2 (nova, glance, neutron) |
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# resources: 2 instances, 2 elastic ips (1 keypair, 2 security groups) |
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# The image to look for and use for the started instance |
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# ubuntu_image_name = 'ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20200408' |
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ubuntu_image_id = "ami-085925f297f89fce1" # local ami id for resent ubuntu 18.04 20200408 in us-west-1 |
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# The public key to be used for SSH connection, please make sure, that you have the corresponding private key |
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# |
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# id_rsa.pub should look like this (standard sshd pubkey format): |
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# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME |
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keypair_name = 'srieger-pub' |
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pub_key_file = '~/.ssh/id_rsa.pub' |
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flavor_name = 't2.nano' |
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# default region |
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# region_name = 'eu-central-1' |
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# region_name = 'ap-south-1' |
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# AWS Educate only allows us-east-1 see our AWS classroom at https://www.awseducate.com |
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# e.g., https://www.awseducate.com/student/s/launch-classroom?classroomId=a1v3m000005mNm6AAE |
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region_name = 'us-east-1' |
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def main(): |
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########################################################################### |
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# |
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# get credentials |
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# |
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########################################################################### |
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# see AWS Educate classroom, Account Details |
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# access_id = getpass.win_getpass("Enter your access_id:") |
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# secret_key = getpass.win_getpass("Enter your secret_key:") |
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# session_token = getpass.win_getpass("Enter your session_token:") |
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# access_id = "ASIAU..." |
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# secret_key = "7lafW..." |
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# session_token = "IQoJb3JpZ...EMb//..." |
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access_id = "ASIA5ML7..." |
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secret_key = "76lAjn..." |
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session_token = "IQoJb3JpZ2luX2VjEBc..." |
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########################################################################### |
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# |
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# delete load balancer (Amazon AWS ELB) |
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# |
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########################################################################### |
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elb_provider = loadbalancer_get_driver(loadbalancer_Provider.ELB) |
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elb_conn = elb_provider(access_id, |
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secret_key, |
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token=session_token, |
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region=region_name) |
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print("Deleting previously created load balancers in: " + str(elb_conn.list_balancers())) |
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for loadbalancer in elb_conn.list_balancers(): |
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if loadbalancer.name == "lb1": |
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elb_conn.destroy_balancer(loadbalancer) |
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########################################################################### |
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# |
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# create EC2 connection |
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# |
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########################################################################### |
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provider = compute_get_driver(compute_Provider.EC2) |
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conn = provider(key=access_id, |
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secret=secret_key, |
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token=session_token, |
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region=region_name) |
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########################################################################### |
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# |
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# clean up resources from previous demos |
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# |
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########################################################################### |
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# destroy running demo instances |
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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-worker-3', 'app-controller', |
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'app-services', 'app-api-1', 'app-api-2']: |
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if instance.state is not NodeState.TERMINATED: |
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print('Destroying Instance: %s' % instance.name) |
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conn.destroy_node(instance) |
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# wait until all nodes are destroyed to be able to remove depended security groups |
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nodes_still_running = True |
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while nodes_still_running: |
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nodes_still_running = False |
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time.sleep(3) |
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instances = conn.list_nodes() |
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for instance in instances: |
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# if we see any demo instances still running continue to wait for them to stop |
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if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-controller', 'app-services']: |
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if instance.state is not NodeState.TERMINATED: |
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nodes_still_running = True |
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print('There are still instances running, waiting for them to be destroyed...') |
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# delete security groups, respecting dependencies (hence deleting 'control' and 'services' first) |
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for group in conn.ex_list_security_groups(): |
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if group in ['control', 'services']: |
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print('Deleting security group: %s' % group) |
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conn.ex_delete_security_group(group) |
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# now we can delete security groups 'api' and 'worker', as 'control' and 'api' depended on them, otherwise AWS will |
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# throw DependencyViolation: resource has a dependent object |
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for group in conn.ex_list_security_groups(): |
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if group in ['api', 'worker']: |
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print('Deleting security group: %s' % group) |
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conn.ex_delete_security_group(group) |
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if __name__ == '__main__': |
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main() |
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@ -0,0 +1,382 @@ |
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# import getpass |
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# import os |
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# import libcloud.security |
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import time |
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from libcloud.compute.base import NodeImage |
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from libcloud.compute.base import NodeState |
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from libcloud.compute.providers import get_driver as compute_get_driver |
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from libcloud.compute.types import Provider as compute_Provider |
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from libcloud.loadbalancer.base import Member, Algorithm |
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from libcloud.loadbalancer.types import Provider as loadbalancer_Provider |
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from libcloud.loadbalancer.providers import get_driver as loadbalancer_get_driver |
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# reqs: |
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# services: EC2 (nova, glance, neutron) |
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# resources: 2 instances, 2 elastic ips (1 keypair, 2 security groups) |
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# The image to look for and use for the started instance |
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# ubuntu_image_name = 'ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20200408' |
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ubuntu_image_id = "ami-085925f297f89fce1" # local ami id for resent ubuntu 18.04 20200408 in us-west-1 |
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# The public key to be used for SSH connection, please make sure, that you have the corresponding private key |
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# |
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# id_rsa.pub should look like this (standard sshd pubkey format): |
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# ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAw+J...F3w2mleybgT1w== user@HOSTNAME |
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keypair_name = 'srieger-pub' |
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pub_key_file = '~/.ssh/id_rsa.pub' |
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flavor_name = 't2.nano' |
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# default region |
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# region_name = 'eu-central-1' |
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# region_name = 'ap-south-1' |
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# AWS Educate only allows us-east-1 see our AWS classroom at https://www.awseducate.com |
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# e.g., https://www.awseducate.com/student/s/launch-classroom?classroomId=a1v3m000005mNm6AAE |
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region_name = 'us-east-1' |
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def main(): |
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########################################################################### |
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# |
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# get credentials |
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# |
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########################################################################### |
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# see AWS Educate classroom, Account Details |
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# access_id = getpass.win_getpass("Enter your access_id:") |
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# secret_key = getpass.win_getpass("Enter your secret_key:") |
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# session_token = getpass.win_getpass("Enter your session_token:") |
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# access_id = "ASIAU..." |
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# secret_key = "7lafW..." |
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# session_token = "IQoJb3JpZ...EMb//..." |
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access_id = "ASIA..." |
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secret_key = "76lAj..." |
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session_token = "IQoJ..." |
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########################################################################### |
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# |
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# create connection |
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# |
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########################################################################### |
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provider = compute_get_driver(compute_Provider.EC2) |
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conn = provider(key=access_id, |
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secret=secret_key, |
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token=session_token, |
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region=region_name) |
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########################################################################### |
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# |
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# get image, flavor, network for instance creation |
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# |
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########################################################################### |
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# print("Fetching images (AMI) list from AWS region. This will take a lot of seconds (AWS has a very long list of " |
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# "supported operating systems and versions)... please be patient...") |
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# images = conn.list_images() |
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# fetch/select the image referenced with ubuntu_image_name above |
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# image = [i for i in images if i.name == ubuntu_image_name][0] |
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# print(image) |
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# selecting the image based on defined AMI id |
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image = NodeImage(id=ubuntu_image_id, name=None, driver=conn) |
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flavors = conn.list_sizes() |
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flavor = [s for s in flavors if s.id == flavor_name][0] |
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print(flavor) |
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# networks = conn.ex_list_networks() |
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# network = '' |
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# for net in networks: |
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# if net.name == project_network: |
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# network = net |
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########################################################################### |
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# |
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# create keypair dependency |
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# |
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########################################################################### |
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print('Checking for existing SSH key pair...') |
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keypair_exists = False |
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for keypair in conn.list_key_pairs(): |
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if keypair.name == keypair_name: |
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keypair_exists = True |
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if keypair_exists: |
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print('Keypair ' + keypair_name + ' already exists. Skipping import.') |
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else: |
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print('adding keypair...') |
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conn.import_key_pair_from_file(keypair_name, pub_key_file) |
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for keypair in conn.list_key_pairs(): |
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print(keypair) |
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########################################################################### |
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# |
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# clean up resources from previous demos |
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# |
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########################################################################### |
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# destroy running demo instances |
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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-worker-3', 'app-controller', |
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'app-services', 'app-api-1', 'app-api-2']: |
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if instance.state is not NodeState.TERMINATED: |
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print('Destroying Instance: %s' % instance.name) |
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conn.destroy_node(instance) |
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# wait until all nodes are destroyed to be able to remove depended security groups |
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nodes_still_running = True |
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while nodes_still_running: |
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nodes_still_running = False |
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time.sleep(3) |
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instances = conn.list_nodes() |
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for instance in instances: |
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# if we see any demo instances still running continue to wait for them to stop |
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if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-controller', 'app-services']: |
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if instance.state is not NodeState.TERMINATED: |
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nodes_still_running = True |
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print('There are still instances running, waiting for them to be destroyed...') |
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# delete security groups, respecting dependencies (hence deleting 'control' and 'services' first) |
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for group in conn.ex_list_security_groups(): |
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if group in ['control', 'services']: |
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print('Deleting security group: %s' % group) |
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conn.ex_delete_security_group(group) |
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# now we can delete security groups 'api' and 'worker', as 'control' and 'api' depended on them, otherwise AWS will |
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# throw DependencyViolation: resource has a dependent object |
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for group in conn.ex_list_security_groups(): |
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if group in ['api', 'worker']: |
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print('Deleting security group: %s' % group) |
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conn.ex_delete_security_group(group) |
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########################################################################### |
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# |
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# create security group dependency |
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# |
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########################################################################### |
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def get_security_group(connection, security_group_name): |
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"""A helper function to check if security group already exists""" |
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print('Checking for existing ' + security_group_name + ' security group...') |
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for security_grp in connection.ex_list_security_groups(): |
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if security_grp == security_group_name: |
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print('Security Group ' + security_group_name + ' already exists. Skipping creation.') |
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return security_grp['group_id'] |
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return False |
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if not get_security_group(conn, "api"): |
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api_security_group_result = conn.ex_create_security_group('api', 'for API services only') |
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api_security_group_id = api_security_group_result['group_id'] |
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conn.ex_authorize_security_group_ingress(api_security_group_id, 22, 22, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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conn.ex_authorize_security_group_ingress(api_security_group_id, 80, 80, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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else: |
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api_security_group_id = get_security_group(conn, "api") |
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if not get_security_group(conn, "worker"): |
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worker_security_group_result = conn.ex_create_security_group('worker', 'for services that run on a worker node') |
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worker_security_group_id = worker_security_group_result['group_id'] |
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conn.ex_authorize_security_group_ingress(worker_security_group_id, 22, 22, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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else: |
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worker_security_group_id = get_security_group(conn, "worker") |
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if not get_security_group(conn, "control"): |
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controller_security_group_result = conn.ex_create_security_group('control', |
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'for services that run on a control node') |
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controller_security_group_id = controller_security_group_result['group_id'] |
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conn.ex_authorize_security_group_ingress(controller_security_group_id, 22, 22, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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conn.ex_authorize_security_group_ingress(controller_security_group_id, 80, 80, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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conn.ex_authorize_security_group_ingress(controller_security_group_id, 5672, 5672, |
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group_pairs=[{'group_id': worker_security_group_id}], protocol='tcp') |
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else: |
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controller_security_group_id = get_security_group(conn, "control") |
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if not get_security_group(conn, "services"): |
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services_security_group_result = conn.ex_create_security_group('services', 'for DB and AMQP services only') |
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services_security_group_id = services_security_group_result['group_id'] |
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conn.ex_authorize_security_group_ingress(services_security_group_id, 22, 22, cidr_ips=['0.0.0.0/0'], |
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protocol='tcp') |
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conn.ex_authorize_security_group_ingress(services_security_group_id, 3306, 3306, cidr_ips=['0.0.0.0/0'], |
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group_pairs=[{'group_id': api_security_group_id}], protocol='tcp') |
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conn.ex_authorize_security_group_ingress(services_security_group_id, 5672, 5672, |
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group_pairs=[{'group_id': worker_security_group_id}], protocol='tcp') |
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conn.ex_authorize_security_group_ingress(services_security_group_id, 5672, 5672, |
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group_pairs=[{'group_id': api_security_group_id}], protocol='tcp') |
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else: |
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services_security_group_id = get_security_group(conn, "services") |
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for security_group in conn.ex_list_security_groups(): |
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print(security_group) |
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########################################################################### |
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# |
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# create app-services instance (database & messaging) (Amazon AWS EC2) |
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# |
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########################################################################### |
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# https://git.openstack.org/cgit/openstack/faafo/plain/contrib/install.sh |
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# is currently broken, hence the "rabbitctl" lines were added in the example |
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# below, see also https://bugs.launchpad.net/faafo/+bug/1679710 |
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# |
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# Thanks to Stefan Friedmann for finding this fix ;) |
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userdata_service = '''#!/usr/bin/env bash |
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curl -L -s https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh | bash -s -- \ |
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-i database -i messaging |
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rabbitmqctl add_user faafo guest |
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rabbitmqctl set_user_tags faafo administrator |
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rabbitmqctl set_permissions -p / faafo ".*" ".*" ".*" |
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''' |
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print('Starting new app-services instance and wait until it is running...') |
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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=keypair_name, |
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ex_userdata=userdata_service, |
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ex_security_groups=["services"]) |
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instance_services = conn.wait_until_running(nodes=[instance_services], timeout=120, ssh_interface='public_ips') |
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services_ip = instance_services[0][0].private_ips[0] |
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########################################################################### |
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# |
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# create app-api instances (Amazon AWS EC2) |
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# |
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########################################################################### |
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userdata_api = '''#!/usr/bin/env bash |
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curl -L -s https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh | 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} |
||||
|
|
||||
|
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, |
||||
|
ex_keyname=keypair_name, |
||||
|
ex_userdata=userdata_api, |
||||
|
ex_security_groups=["api"]) |
||||
|
|
||||
|
print('Starting new app-api-2 instance and wait until it is running...') |
||||
|
instance_api_2 = conn.create_node(name='app-api-2', |
||||
|
image=image, |
||||
|
size=flavor, |
||||
|
ex_keyname=keypair_name, |
||||
|
ex_userdata=userdata_api, |
||||
|
ex_security_groups=["api"]) |
||||
|
|
||||
|
instance_api_1 = conn.wait_until_running(nodes=[instance_api_1], timeout=120, ssh_interface='public_ips') |
||||
|
api_1_ip = instance_api_1[0][0].private_ips[0] |
||||
|
instance_api_2 = conn.wait_until_running(nodes=[instance_api_2], timeout=120, ssh_interface='public_ips') |
||||
|
api_2_ip = instance_api_2[0][0].private_ips[0] |
||||
|
|
||||
|
########################################################################### |
||||
|
# |
||||
|
# create worker instances (Amazon AWS EC2) |
||||
|
# |
||||
|
########################################################################### |
||||
|
|
||||
|
userdata_worker = '''#!/usr/bin/env bash |
||||
|
curl -L -s https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh | 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_api-api-2 = '''#!/usr/bin/env bash |
||||
|
# curl -L -s https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/faafo/contrib/install.sh | bash -s -- \ |
||||
|
# -i faafo -r worker -e 'http://%(api_2_ip)s' -m 'amqp://faafo:guest@%(services_ip)s:5672/' |
||||
|
# ''' % {'api_2_ip': api_2_ip, 'services_ip': services_ip} |
||||
|
|
||||
|
print('Starting new app-worker-1 instance and wait until it is running...') |
||||
|
instance_worker_1 = conn.create_node(name='app-worker-1', |
||||
|
image=image, size=flavor, |
||||
|
ex_keyname=keypair_name, |
||||
|
ex_userdata=userdata_worker, |
||||
|
ex_security_groups=["worker"]) |
||||
|
|
||||
|
print('Starting new app-worker-2 instance and wait until it is running...') |
||||
|
instance_worker_2 = conn.create_node(name='app-worker-2', |
||||
|
image=image, size=flavor, |
||||
|
ex_keyname=keypair_name, |
||||
|
ex_userdata=userdata_worker, |
||||
|
ex_security_groups=["worker"]) |
||||
|
|
||||
|
# 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, |
||||
|
# networks=[network], |
||||
|
# ex_keyname=keypair_name, |
||||
|
# ex_userdata=userdata_worker, |
||||
|
# ex_security_groups=[worker_security_group]) |
||||
|
|
||||
|
print(instance_worker_1) |
||||
|
print(instance_worker_2) |
||||
|
# print(instance_worker_3) |
||||
|
|
||||
|
########################################################################### |
||||
|
# |
||||
|
# create load balancer (Amazon AWS ELB) |
||||
|
# |
||||
|
########################################################################### |
||||
|
|
||||
|
elb_provider = loadbalancer_get_driver(loadbalancer_Provider.ELB) |
||||
|
elb_conn = elb_provider(access_id, |
||||
|
secret_key, |
||||
|
token=session_token, |
||||
|
region=region_name) |
||||
|
|
||||
|
print("Deleting previously created load balancers in: " + str(elb_conn.list_balancers())) |
||||
|
for loadbalancer in elb_conn.list_balancers(): |
||||
|
if loadbalancer.name == "lb1": |
||||
|
elb_conn.destroy_balancer(loadbalancer) |
||||
|
|
||||
|
# get suffix (a, b, c, ...) from all availability zones, available in the selected region |
||||
|
all_availability_zones_in_region = [] |
||||
|
for az in conn.ex_list_availability_zones(): |
||||
|
all_availability_zones_in_region.append(az.name[-1]) |
||||
|
|
||||
|
# create new load balancer |
||||
|
# example uses "classic" ELB with default HTTP health. monitor, you can see the result in the EC2 console, after |
||||
|
# running this script |
||||
|
new_load_balancer = elb_conn.create_balancer( |
||||
|
name='lb1', |
||||
|
algorithm=Algorithm.ROUND_ROBIN, |
||||
|
port=80, |
||||
|
protocol='http', |
||||
|
members=[], |
||||
|
ex_members_availability_zones=all_availability_zones_in_region) |
||||
|
|
||||
|
# attach api instances as members to load balancer |
||||
|
elb_conn.balancer_attach_compute_node(balancer=new_load_balancer, node=instance_api_1[0][0]) |
||||
|
elb_conn.balancer_attach_compute_node(balancer=new_load_balancer, node=instance_api_2[0][0]) |
||||
|
|
||||
|
print("Created load balancer: " + str(new_load_balancer)) |
||||
|
|
||||
|
# wait for the load balancer to be ready |
||||
|
while new_load_balancer.state != 2: |
||||
|
time.sleep(3) |
||||
|
new_load_balancer = elb_conn.get_balancer(new_load_balancer.id) |
||||
|
|
||||
|
print("\n\nYou can see the instances created in EC2 in AWS Console. You'll also find the load balancer under ELB " |
||||
|
"there.\n" |
||||
|
" You can access the faafo application deployed to the loadbalancer at: http://" + new_load_balancer.ip + |
||||
|
" as soon as instances are detected to be deployed and healthy by the load balancer.") |
||||
|
|
||||
|
|
||||
|
if __name__ == '__main__': |
||||
|
main() |
||||
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