Added gsutil to depot tools

third_party/gsutil/boto/docs/source/ec2_tut.rst

Index: third_party/gsutil/boto/docs/source/ec2_tut.rst
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+.. _ec2_tut:
+
+=======================================
+An Introduction to boto's EC2 interface
+=======================================
+
+This tutorial focuses on the boto interface to the Elastic Compute Cloud
+from Amazon Web Services.  This tutorial assumes that you have already
+downloaded and installed boto.
+
+Creating a Connection
+---------------------
+
+The first step in accessing EC2 is to create a connection to the service.
+The recommended way of doing this in boto is::
+
+    >>> from boto.ec2
+    >>> conn = boto.ec2.connect_to_region("us-east-1",
+    ...    aws_access_key_id='<aws access key>',
+    ...    aws_secret_access_key='<aws secret key>')
+
+At this point the variable ``conn`` will point to an EC2Connection object.  In
+this example, the AWS access key and AWS secret key are passed in to the method
+explicitly.  Alternatively, you can set the boto config environment variables
+and then simply specify which region you want as follows::
+
+    >>> conn = boto.ec2.connect_to_region("us-east-1")
+
+In either case, conn will point to an EC2Connection object which we will
+use throughout the remainder of this tutorial.
+
+Launching Instances
+-------------------
+
+Possibly, the most important and common task you'll use EC2 for is to launch,
+stop and terminate instances. In its most primitive form, you can launch an
+instance as follows::
+
+    >>> conn.run_instances('<ami-image-id>')
+
+This will launch an instance in the specified region with the default parameters.
+You will not be able to SSH into this machine, as it doesn't have a security
+group set. See :doc:`security_groups` for details on creating one.
+
+Now, let's say that you already have a key pair, want a specific type of
+instance, and you have your :doc:`security group <security_groups>` all setup.
+In this case we can use the keyword arguments to accomplish that::
+
+    >>> conn.run_instances(
+            '<ami-image-id>',
+            key_name='myKey',
+            instance_type='c1.xlarge',
+            security_groups=['your-security-group-here'])
+
+The main caveat with the above call is that it is possible to request an
+instance type that is not compatible with the provided AMI (for example, the
+instance was created for a 64-bit instance and you choose a m1.small instance_type).
+For more details on the plethora of possible keyword parameters, be sure to
+check out boto's :doc:`EC2 API reference <ref/ec2>`.
+
+Stopping Instances
+------------------
+Once you have your instances up and running, you might wish to shut them down
+if they're not in use. Please note that this will only de-allocate virtual
+hardware resources (as well as instance store drives), but won't destroy your
+EBS volumes -- this means you'll pay nominal provisioned EBS storage fees
+even if your instance is stopped. To do this, you can do so as follows::
+
+    >>> conn.stop_instances(instance_ids=['instance-id-1','instance-id-2', ...])
+
+This will request a 'graceful' stop of each of the specified instances. If you
+wish to request the equivalent of unplugging your instance(s), simply add
+``force=True`` keyword argument to the call above. Please note that stop
+instance is not allowed with Spot instances.
+
+Terminating Instances
+---------------------
+Once you are completely done with your instance and wish to surrender both
+virtual hardware, root EBS volume and all other underlying components
+you can request instance termination. To do so you can use the call bellow::
+
+    >>> conn.terminate_instances(instance_ids=['instance-id-1','instance-id-2', ...])
+
+Please use with care since once you request termination for an instance there
+is no turning back.
+