[openstack|compute] Added key pair models

lib/fog/openstack/compute.rb

@@ -20,6 +20,9 @@ module Fog
       collection  :servers
       model       :meta
       collection  :metadata
+      model       :key_pair
+      collection  :key_pairs
+
 
       request_path 'fog/openstack/requests/compute'
       request :create_server

lib/fog/openstack/models/compute/key_pair.rb

@@ -0,0 +1,59 @@
+require 'fog/core/model'
+
+module Fog
+  module Compute
+    class Openstack
+
+      class KeyPair < Fog::Model
+
+        identity  :name
+
+        attribute :fingerprint
+        attribute :public_key
+        attribute :private_key
+        attribute :user_id
+
+        attr_accessor :public_key
+
+        def destroy
+          requires :name
+
+          connection.delete_key_pair(name)
+          true
+        end
+
+        def save
+          requires :name
+
+          data = if public_key
+            connection.create_key_pair(name, public_key).body['keypair']
+          else
+            connection.create_key_pair(name).body['keypair']
+          end
+          new_attributes = data.reject {|key,value| !['fingerprint', 'public_key', 'name', 'private_key', 'user_id'].include?(key)}
+          merge_attributes(new_attributes)
+          true
+        end
+
+        def write(path="#{ENV['HOME']}/.ssh/fog_#{Fog.credential.to_s}_#{name}.pem")
+
+          if writable?
+            split_private_key = private_key.split(/\n/)
+            File.open(path, "w") do |f|
+              split_private_key.each {|line| f.puts line}
+              f.chmod 0600
+            end
+            "Key file built: #{path}"
+          else
+            "Invalid private key"
+          end
+        end
+
+        def writable?
+          !!(private_key && ENV.has_key?('HOME'))
+        end
+
+      end
+    end
+  end
+end

lib/fog/openstack/models/compute/key_pairs.rb

@@ -0,0 +1,31 @@
+require 'fog/core/collection'
+require 'fog/openstack/models/compute/key_pair'
+
+module Fog
+  module Compute
+    class HP
+
+      class KeyPairs < Fog::Collection
+
+        model Fog::Compute::Openstack::KeyPair
+
+        def all
+          items = []
+          connection.list_key_pairs.body['keypairs'].each do |kp|
+            items = items + kp.map { |key, value| value }
+          end
+          load(items)
+        end
+
+        def get(key_pair_name)
+          if key_pair_name
+            self.all.select {|kp| kp.name == key_pair_name}.first
+          end
+        rescue Fog::Compute::Openstack::NotFound
+          nil
+        end
+
+      end
+    end
+  end
+end