Plugin: ec2_launch ssh key, instance type, etc. +

* added ssh_key parameter to the manifest to connect with (have to be
  present in AWS)
* added readme
* changed instance type to something what can run outside VPC (m3.medium)

bootstrapvz/plugins/ec2_launch/README.rst

@@ -0,0 +1,22 @@
+ec2-launch
+----------
+This plugin is spinning up **AWS classic instance** from the AMI created with
+the template from which this plugin is invoked.
+
+Settings
+~~~~~~~~
+- ``security_group_ids``: A list of security groups (not VPC) to attach to the
+  instance
+  ``required``
+- ``instance_type``: A string with AWS Classic capable instance to run
+  (default: m3.medium)
+  ``optional``
+- ``ssh_key``: A string with the ssh key name to apply to the instance.
+  ``required``
+- ``print_public_ip``: A string with the path to write instance external IP to
+  ``optional``
+- ``tags``:
+  ``optional``
+- ``deregister_ami``: A boolean value describing if AMI should be kept after
+  sinning up instance or not (default: false)
+  ``optional``

bootstrapvz/plugins/ec2_launch/manifest-schema.yml

@@ -14,6 +14,7 @@ properties:
             items: {type: string}
             uniqueItems: true
           instance_type: {type: string}
+          ssh_key: {type: string}
           print_public_ip: {type: string}
           tags: {type: object}
           deregister_ami: {type: boolean}

bootstrapvz/plugins/ec2_launch/tasks.py

@@ -25,7 +25,9 @@ class LaunchEC2Instance(Task):
         conn = info._ec2['connection']
         r = conn.run_instances(info._ec2['image'],
                                security_group_ids=info.manifest.plugins['ec2_launch'].get('security_group_ids'),
-                               instance_type=info.manifest.plugins['ec2_launch'].get('instance_type', 't2.micro'))
+                               key_name=info.manifest.plugins['ec2_launch'].get('ssh_key'),
+                               instance_type=info.manifest.plugins['ec2_launch'].get('instance_type',
+                                                                                     'm3.medium'))
         info._ec2['instance'] = r.instances[0]
 
         if 'tags' in info.manifest.plugins['ec2_launch']: