Easy provisioning and control of Amazon ec2 Images, Instances and snapshots
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#Sprout ##EC2 made stupid simple.


sproutr is a thor based EC2 instance management library which abstracts the Amazon EC2 API and provides an interactive interface for designing, launching, and managing running instances.

sproutr is based around the idea of helping you define an instance, launch it, then create as many copies of that as you need. Currently sproutr supports the following tasks: sproutr clone --instance=one two three # Clone N number of running instance sproutr create_ami --ami=AMI --desc=DESC --name=NAME # Create an EBS Ami from a running or stopped instance sproutr define # define a new instance sproutr delete_snapshot --snapshot=one two three # Deletes the given snapshot(s) use --snapshot= sproutr describe --ami=one two three # Describe a specific instance sproutr destroy --ami=one two three # Alias to terminate sproutr help [TASK] # Describe available tasks or one specific task sproutr launch --config-file=CONFIG_FILE # launch an instance from the specified config directory sproutr list # list all the instances and ami's in your ec2 account sproutr list_amis # list all the ami's in your ec2 account sproutr list_instances # list all the instances in your ec2 account sproutr list_snapshots # Alias to list_snapshots sproutr list_snapshots # Lists all the snapshots available and their status sproutr restart --ami=one two three # Restart the specified instance(s), requires --ami= sproutr snapshot --ami=one two three # Create snapshot sproutr start --ami=one two three # Start the specified instance(s), requires --ami= sproutr stop --ami=one two three # Stop the specified instance(s), requires --ami= sproutr terminate --ami=one two three # Terminate the specified instance, requires --ami=


sproutr relies on the Swirl library, which needs to be passed your AWS credentials to do its magic. sproutr therefore requires that you provide a .swirlrc file in your home directory (~/) that contains: ~/.swirl: --- :default: :aws_access_key_id: my_access_key :aws_secret_access_key: my_secret_key


You can use sproutr to manage your instances from the commandline. You should create an instance which will serve as your "sproutr" and be converted into an AMI. Once you have tested this instance, create a snapshot of the instance, then use it by AMI-Id to launch new instances with their own individual configuration.

Here's a simple example from the command line. Begin by invoking the define task.

$ bin/sproutr define

sproutr's define task will walk you through the process of determining the name, instance size, starting AMI etc. Key to the sproutr experience is the way handles two key features: Chef and Volumes: sproutr builds the instance with knowledge of, and the ability to execute arbitrary chef cookbooks/recipes. While defining an instance you're given the opportunity to specify additional packages, cookbooks and recipes to have installed Currently only Debian (ubuntu, mint, etc.) based distributions are supported. Additionally, be aware that any volumes you specify will be aggregated together using mdadm and lvm into one logical volume.

Once defined, you can launch the instance via

$ sproutr launch --definition=filename.json

You can monitor the instance's fabrication process via

$ sproutr list

The instance you created will boot, install your selected packages on top of the stock AMI you selected, then download and cook all the cookbooks and recipes you selected.

##Inspiration and Thanks

sproutr is a rewrite and extension of the stem gem, a product (so far as I can tell) a gift of the Heroku development / operations team.