Browse Source
removed superfluous demo2 startup file, added app_context to prevent flask from crashing, changed group_number to default again, added default pubkey
pull/3/head
removed superfluous demo2 startup file, added app_context to prevent flask from crashing, changed group_number to default again, added default pubkey
pull/3/head
10 changed files with 31 additions and 250 deletions
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2demo1-getting-started.py
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5demo2-instance-with-init-script.py
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5demo3-microservice.py
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5demo4-scale-out-add-worker.py
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5demo4-scale-out.py
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2destroy-all-demo-instances.py
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230faafo/demo2-instance-with-init-script.py
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10faafo/faafo/api/service.py
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6faafo/requirements.txt
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3faafo/setup.cfg
@ -1,230 +0,0 @@ |
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# import getpass |
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# import os |
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from libcloud.compute.providers import get_driver |
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from libcloud.compute.types import Provider |
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# Please use 1-29 for X in the following variable to specify your group number. (will be used for the username, |
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# project etc., as coordinated in the lab sessions) |
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group_number = 30 |
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# web service endpoint of the private cloud infrastructure |
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auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000' |
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# your username in OpenStack |
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auth_username = 'CloudComp' + str(group_number) |
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# your project in OpenStack |
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project_name = 'CloudComp' + str(group_number) |
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# A network in the project the started instance will be attached to |
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project_network = 'CloudComp' + str(group_number) + '-net' |
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# The image to look for and use for the started instance |
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ubuntu_image_name = "Ubuntu 18.04 - Bionic Beaver - 64-bit - Cloud Based Image" |
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# TODO: Ubuntu >18.04 would require major updates to faafo example again/better option: complete rewrite of example? |
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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 = 'CloudComp30-keypair' |
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pub_key_file = '~/.ssh/id_rsa.pub' |
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flavor_name = 'm1.small' |
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# default region |
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region_name = 'RegionOne' |
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# domain to use, "default" for local accounts, "hsfulda" for RZ LDAP, e.g., using fdaiXXXX as auth_username |
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# domain_name = "default" |
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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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# if "OS_PASSWORD" in os.environ: |
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# auth_password = os.environ["OS_PASSWORD"] |
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# else: |
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# auth_password = getpass.getpass("Enter your OpenStack password:") |
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auth_password = "demo" |
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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 = get_driver(Provider.OPENSTACK) |
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conn = provider(auth_username, |
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auth_password, |
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ex_force_auth_url=auth_url, |
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ex_force_auth_version='3.x_password', |
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ex_tenant_name=project_name, |
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ex_force_service_region=region_name) |
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# ex_domain_name=domain_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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images = conn.list_images() |
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image = '' |
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for img in images: |
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if img.name == ubuntu_image_name: |
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image = img |
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flavors = conn.list_sizes() |
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flavor = '' |
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for flav in flavors: |
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if flav.name == flavor_name: |
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flavor = conn.ex_get_size(flav.id) |
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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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# create security group dependency |
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# |
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########################################################################### |
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print('Checking for existing security group...') |
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security_group_name = 'all-in-one' |
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security_group_exists = False |
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all_in_one_security_group = '' |
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for security_group in conn.ex_list_security_groups(): |
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if security_group.name == security_group_name: |
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all_in_one_security_group = security_group |
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security_group_exists = True |
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if security_group_exists: |
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print(('Security Group ' + all_in_one_security_group.name + ' already exists. Skipping creation.')) |
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else: |
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all_in_one_security_group = conn.ex_create_security_group(security_group_name, |
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'network access for all-in-one application.') |
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conn.ex_create_security_group_rule(all_in_one_security_group, 'TCP', 80, 80) |
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conn.ex_create_security_group_rule(all_in_one_security_group, 'TCP', 22, 22) |
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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 all-in-one instance |
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# |
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########################################################################### |
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userdata = '''#!/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 faafo -i messaging -r api -r worker -r demo |
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''' |
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print('Checking for existing instance...') |
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instance_name = 'all-in-one' |
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instance_exists = False |
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testing_instance = '' |
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for instance in conn.list_nodes(): |
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if instance.name == instance_name: |
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testing_instance = instance |
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instance_exists = True |
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if instance_exists: |
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print(('Instance ' + testing_instance.name + ' already exists. Skipping creation.')) |
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exit() |
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else: |
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print('Starting new all-in-one instance and wait until it is running...') |
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testing_instance = conn.create_node(name=instance_name, |
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image=image, |
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size=flavor, |
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networks=[network], |
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ex_keyname=keypair_name, |
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ex_userdata=userdata, |
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ex_security_groups=[all_in_one_security_group]) |
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conn.wait_until_running(nodes=[testing_instance], timeout=120, ssh_interface='private_ips') |
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########################################################################### |
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# |
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# assign all-in-one instance floating ip |
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# |
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########################################################################### |
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private_ip = None |
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if len(testing_instance.private_ips): |
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private_ip = testing_instance.private_ips[0] |
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print(('Private IP found: {}'.format(private_ip))) |
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public_ip = None |
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if len(testing_instance.public_ips): |
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public_ip = testing_instance.public_ips[0] |
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print(('Public IP found: {}'.format(public_ip))) |
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print('Checking for unused Floating IP...') |
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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 and len(conn.ex_list_floating_ip_pools()): |
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pool = conn.ex_list_floating_ip_pools()[0] |
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print(('Allocating new Floating IP from pool: {}'.format(pool))) |
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unused_floating_ip = pool.create_floating_ip() |
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if public_ip: |
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print(('Instance ' + testing_instance.name + ' already has a public ip. Skipping attachment.')) |
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elif unused_floating_ip: |
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conn.ex_attach_floating_ip_to_node(testing_instance, unused_floating_ip) |
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actual_ip_address = None |
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if public_ip: |
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actual_ip_address = public_ip |
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elif unused_floating_ip: |
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actual_ip_address = unused_floating_ip.ip_address |
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elif private_ip: |
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actual_ip_address = private_ip |
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print('\n') |
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print(('The Fractals app will be deployed to http://{}\n'.format(actual_ip_address))) |
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print('You can use ssh to login to the instance using your private key. Default user name for official Ubuntu\n' |
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'Cloud Images is: ubuntu, so you can use, e.g.: "ssh -i ~/.ssh/id_rsa ubuntu@<floating-ip>" if your private\n' |
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'key is in the default location.\n\n' |
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'After login, you can list or "ssh ubuntu@<floating-ip>" available fractals using "faafo list". To request\n' |
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'the generation of new fractals, you can use "faafo create".\n\n' |
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'You can also see other options to use the faafo example cloud service using "faafo -h".\n\n' |
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'If you cannot start faafo command and/or do not see the webpage, you can check the Instance Console Log of\n' |
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'the instance, e.g., in OpenStack web interface.') |
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if __name__ == '__main__': |
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main() |
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