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As discussed in #991, this converts the readme from SimpleMarkup to Markdown

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Mike Fiedler 2012-07-09 12:15:40 -04:00
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README.rdoc README.md
lib/**/*.rb lib/**/*.rb
bin/* bin/*

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http://geemus.s3.amazonaws.com/fog.png ![fog](http://geemus.s3.amazonaws.com/fog.png)
fog is the Ruby cloud computing library, top to bottom: fog is the Ruby cloud computing library, top to bottom:
@ -6,104 +6,109 @@ fog is the Ruby cloud computing library, top to bottom:
* Requests allow power users to get the most out of the features of each individual cloud. * Requests allow power users to get the most out of the features of each individual cloud.
* Mocks make testing and integrating a breeze. * Mocks make testing and integrating a breeze.
== Getting Started ## Getting Started
sudo gem install fog sudo gem install fog
Now type 'fog' to try stuff, confident that fog will let you know what to do. Here is an example of wading through server creation for Amazon Elastic Compute Cloud: Now type `fog` to try stuff, confident that fog will let you know what to do.
Here is an example of wading through server creation for Amazon Elastic Compute Cloud:
>> server = Compute[:aws].servers.create >> server = Compute[:aws].servers.create
ArgumentError: image_id is required for this operation ArgumentError: image_id is required for this operation
>> server = Compute[:aws].servers.create(:image_id => 'ami-5ee70037') >> server = Compute[:aws].servers.create(:image_id => 'ami-5ee70037')
<Fog::AWS::EC2::Server [...]> <Fog::AWS::EC2::Server [...]>
>> server.destroy # cleanup after yourself or regret it, trust me >> server.destroy # cleanup after yourself or regret it, trust me
true true
== Collections ## Collections
A high level interface to each cloud is provided through collections, such as `images` and `servers`. A high level interface to each cloud is provided through collections, such as `images` and `servers`.
You can see a list of available collections by calling `collections` on the connection object. You can try it out using the `fog` command: You can see a list of available collections by calling `collections` on the connection object.
You can try it out using the `fog` command:
>> Compute[:aws].collections >> Compute[:aws].collections
[:addresses, :directories, ..., :volumes, :zones] [:addresses, :directories, ..., :volumes, :zones]
Some collections are available across multiple providers: Some collections are available across multiple providers:
* compute providers have +flavors+, +images+ and +servers+ * compute providers have `flavors`, `images` and `servers`
* dns providers have +zones+ and +records+ * dns providers have `zones` and `records`
* storage providers have +directories+ and +files+ * storage providers have `directories` and `files`
Collections share basic CRUD type operations, such as: Collections share basic CRUD type operations, such as:
* +all+ - fetch every object of that type from the provider.
* +create+ - initialize a new record locally and a remote resource with the provider. * `all` - fetch every object of that type from the provider.
* +get+ - fetch a single object by it's identity from the provider. * `create` - initialize a new record locally and a remote resource with the provider.
* +new+ - initialize a new record locally, but do not create a remote resource with the provider. * `get` - fetch a single object by it's identity from the provider.
* `new` - initialize a new record locally, but do not create a remote resource with the provider.
As an example, we'll try initializing and persisting a Rackspace Cloud server: As an example, we'll try initializing and persisting a Rackspace Cloud server:
require 'fog' require 'fog'
compute = Fog::Compute.new( compute = Fog::Compute.new(
:provider => 'Rackspace', :provider => 'Rackspace',
:rackspace_api_key => key, :rackspace_api_key => key,
:rackspace_username => username :rackspace_username => username
) )
# boot a gentoo server (flavor 1 = 256, image 3 = gentoo 2008.0) # boot a gentoo server (flavor 1 = 256, image 3 = gentoo 2008.0)
server = compute.servers.create(:flavor_id => 1, :image_id => 3, :name => 'my_server') server = compute.servers.create(:flavor_id => 1, :image_id => 3, :name => 'my_server')
server.wait_for { ready? } # give server time to boot server.wait_for { ready? } # give server time to boot
# DO STUFF # DO STUFF
server.destroy # cleanup after yourself or regret it, trust me server.destroy # cleanup after yourself or regret it, trust me
== Models ## Models
Many of the collection methods return individual objects, which also provide common methods: Many of the collection methods return individual objects, which also provide common methods:
* +destroy+ - will destroy the persisted object from the provider
* +save+ - persist the object to the provider
* +wait_for+ - takes a block and waits for either the block to return true for the object or for a timeout (defaults to 10 minutes)
== Mocks * `destroy` - will destroy the persisted object from the provider
* `save` - persist the object to the provider
* `wait_for` - takes a block and waits for either the block to return true for the object or for a timeout (defaults to 10 minutes)
## Mocks
As you might imagine, testing code using Fog can be slow and expensive, constantly turning on and and shutting down instances. As you might imagine, testing code using Fog can be slow and expensive, constantly turning on and and shutting down instances.
Mocking allows skipping this overhead by providing an in memory representation resources as you make requests. Mocking allows skipping this overhead by providing an in memory representation resources as you make requests.
Enabling mocking easy to use, before you run other commands, simply run: Enabling mocking easy to use, before you run other commands, simply run:
Fog.mock! Fog.mock!
Then proceed as usual, if you run into unimplemented mocks fog will raise an error and as always contributions are welcome! Then proceed as usual, if you run into unimplemented mocks, fog will raise an error and as always contributions are welcome!
== Requests ## Requests
Requests allow you to dive deeper when the models just can't cut it. Requests allow you to dive deeper when the models just can't cut it.
You can see a list of available requests by calling #requests on the connection object. You can see a list of available requests by calling `#requests` on the connection object.
For instance, ec2 provides methods related to reserved instances that don't have any models (yet). Here is how you can lookup your reserved instances: For instance, ec2 provides methods related to reserved instances that don't have any models (yet). Here is how you can lookup your reserved instances:
$ fog $ fog
>> Compute[:aws].describe_reserved_instances >> Compute[:aws].describe_reserved_instances
#<Excon::Response [...]> #<Excon::Response [...]>
It will return an {excon}[http://github.com/geemus/excon] response, which has `body`, `headers` and `status`. Both return nice hashes. It will return an [excon](http://github.com/geemus/excon) response, which has `body`, `headers` and `status`. Both return nice hashes.
== Go forth and conquer ## Go forth and conquer
Play around and use the console to explore or check out {fog.io}[http://fog.io] for more details and examples. Once you are ready to start scripting fog, here is a quick hint on how to make connections without the command line thing to help you. Play around and use the console to explore or check out [fog.io](http://fog.io) for more details and examples.
Once you are ready to start scripting fog, here is a quick hint on how to make connections without the command line thing to help you.
# create a compute connection # create a compute connection
compute = Fog::Compute.new(:provider => 'AWS', :aws_access_key_id => ACCESS_KEY_ID, :aws_secret_access_key => SECRET_ACCESS_KEY) compute = Fog::Compute.new(:provider => 'AWS', :aws_access_key_id => ACCESS_KEY_ID, :aws_secret_access_key => SECRET_ACCESS_KEY)
# compute operations go here # compute operations go here
# create a storage connection # create a storage connection
storage = Fog::Storage.new(:provider => 'AWS', :aws_access_key_id => ACCESS_KEY_ID, :aws_secret_access_key => SECRET_ACCESS_KEY) storage = Fog::Storage.new(:provider => 'AWS', :aws_access_key_id => ACCESS_KEY_ID, :aws_secret_access_key => SECRET_ACCESS_KEY)
# storage operations go here # storage operations go here
geemus says: "That should give you everything you need to get started, but let me know if there is anything I can do to help!" geemus says: "That should give you everything you need to get started, but let me know if there is anything I can do to help!"
== Contributing ## Contributing
* Find something you would like to work on. For suggestions look for the `easy`, `medium` and `hard` tags in the {issues}[http://github.com/fog/fog/issues] * Find something you would like to work on. For suggestions look for the `easy`, `medium` and `hard` tags in the {issues}[http://github.com/fog/fog/issues]
* Fork the project and do your work in a topic branch. * Fork the project and do your work in a topic branch.
@ -111,21 +116,21 @@ geemus says: "That should give you everything you need to get started, but let m
* Rebase your branch against fog/fog to make sure everything is up to date. * Rebase your branch against fog/fog to make sure everything is up to date.
* Commit your changes and send a pull request. * Commit your changes and send a pull request.
== Additional Resources ## Additional Resources
{fog.io}[http://fog.io] [fog.io](http://fog.io)
== Sponsorship ## Sponsorship
http://www.engineyard.com/images/logo.png ![Engine Yard](http://www.engineyard.com/images/logo.png)
All new work on fog is sponsored by {Engine Yard}[http://engineyard.com] All new work on fog is sponsored by [Engine Yard](http://engineyard.com)
== Copyright ## Copyright
(The MIT License) (The MIT License)
Copyright (c) 2010 {geemus (Wesley Beary)}[http://github.com/geemus] Copyright (c) 2010 [geemus (Wesley Beary)](http://github.com/geemus)
Permission is hereby granted, free of charge, to any person obtaining Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the a copy of this software and associated documentation files (the

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fog.gemspec
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@ -37,7 +37,7 @@ Gem::Specification.new do |s|
## Specify any RDoc options here. You'll want to add your README and ## Specify any RDoc options here. You'll want to add your README and
## LICENSE files to the extra_rdoc_files list. ## LICENSE files to the extra_rdoc_files list.
s.rdoc_options = ["--charset=UTF-8"] s.rdoc_options = ["--charset=UTF-8"]
s.extra_rdoc_files = %w[README.rdoc] s.extra_rdoc_files = %w[README.md]
## List your runtime dependencies here. Runtime dependencies are those ## List your runtime dependencies here. Runtime dependencies are those
## that are needed for an end user to actually USE your code. ## that are needed for an end user to actually USE your code.