CloudStack EC2 Configuration


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This is a presentation of the Amazon Web Service compatible EC2 interface to CloudStack. AWS EC2 is the de facto standard for compute clouds whether they are private or public. EC2 has a multiple client libraries and tools that can be used to provision virtual machine instances.

In this talk we walk through how to enable an EC2 like service in a CloudStack based cloud, how to register the users and how to use clients to talk to CloudStack the same way you would talk to the AWS EC2 public clouds.

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CloudStack EC2 Configuration

  1. 1. CloudStack EC2 configuration Sebastien Goasguen August 14th
  2. 2. Introduction• CloudStack provides an EC2 compatible interface• In Apache CloudStack 4.0 (soon out), Cloudbridge is now an integral part of the management server and not a separate server.• SOAP and Query interface are supported. SOAP may be dropped soon.• Query interface under heavy development/testing
  3. 3. Steps to use EC2/S3 in CloudStack• Enable the service via global configuration settings• Generate API keys for the user(s)• Register the user and associate a certificate (for SOAP).• Provide compute offering that matches the name of Amazon instance types (e.g m1.small…)• Setup environment variables (e.g $EC2_URL)
  4. 4. Enabling EC2 and S3• Via the GUI• Via API call on integration API port 8096 http://localhost:8096/client/api? command=updateConfiguration&name=enable.s3.api&value=true http://localhost:8096/client/api? command=updateConfiguration&name=enable.ec2.api&value=true
  5. 5. Enabling EC2 and S3• Via an authenticated API call on port 8080 (e.g using a Python client)apiurl = http://localhost:8080/client/api’cloudstack = CloudStack.Client(apiurl,apikey,secretkey)cloudstack.updateConfiguration ({‘name’:’enable.ec2.api’,’value’:’true’})
  6. 6. Generate Keys• Via the GUI
  7. 7. Generate Keys• Via the API: http://localhost:8096/client/api? command=registerUserKeys&id=<id of the user>
  8. 8. Register the user• Get the script from the source at /path/to/source/awsapi- setup/setup/cloudstack-aws-api- registercloud-bridge-register --apikey=<User’s Cloudstack API key> --secretkey=<User’s CloudStack Secret key> --cert=</path/to/cert.pem> --url=http://<cloudstack-server- ip>:8080/awsapi
  9. 9. Provide “Amazon” instance types• You can rename using the API, but the easiest is to go via the GUI
  10. 10. Setup shell environment• export EC2_PRIVATE_KEY=</path/to/userkey.pem>• export EC2_CERT=</path/to/cert.pem>• export EC2_URL=http://<cloudstack-server->:8080/awsapi• export AWS_ACCESS_KEY_ID=J8HFx6wHYl_qTvMcSA3fe3ZugR- gcy3ldZ21wPezwbj9Cy1-bnlhdsBAS0JcYrZ8vw3ra-gsu4-Ke_uH1rKTKQ• export AWS_SECRET_KEY_ID=NzS9akD_8TzYWJsv- x6QXIg6M4pzWlhp6EFMbY34Ue0D9WA64yZ7qmHhbkut5o6GpG8CNZ8LRtNgiL_M Whij3w• Get the ec2 commands binaries for api version 2010-11-15• You are now ready to use the ec2-* commands
  11. 11. EC2 Boto example 1/2• Specify the region: region = boto.ec2.regioninfo.RegionInfo (name="ROOT",endpoint=”<cloudstack-server-ip>")• Establish a connection: conn =boto.connect_ec2(aws_access_key_id=apikey, aws_secret_access_key=secretkey, is_secure=False, region=region, port=8080, path="/awsapi", api_version="2010-11-15")Note the API version, expect to see support for a newer API soon. Contributions welcome 
  12. 12. EC2 Boto example 2/2• Find your image and start it:images = conn.get_all_images()myimage = images[0]Pick an instance type present in your compute offering’vm_type=m1.small reservation = (instance_type=vm_type,security_groups=[default] )
  13. 13. • Join the discussion on the future of the EC2/S3 compatibility of CloudStack #cloudstack on @CloudStack on Twitter
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