From 34e3b781234be6eb9c348e63056835e87377eea9 Mon Sep 17 00:00:00 2001
From: Hunter Nield <hunternield@gmail.com>
Date: Thu, 26 Apr 2012 18:14:53 +0800
Subject: [PATCH] [openstack|compute] Added list/get support for /os-hosts

---
 lib/fog/openstack/compute.rb                  |  7 ++
 lib/fog/openstack/models/compute/host.rb      | 28 +++++++
 lib/fog/openstack/models/compute/hosts.rb     | 32 ++++++++
 .../requests/compute/get_host_details.rb      | 74 +++++++++++++++++++
 .../openstack/requests/compute/list_hosts.rb  | 32 ++++++++
 5 files changed, 173 insertions(+)
 create mode 100644 lib/fog/openstack/models/compute/host.rb
 create mode 100644 lib/fog/openstack/models/compute/hosts.rb
 create mode 100644 lib/fog/openstack/requests/compute/get_host_details.rb
 create mode 100644 lib/fog/openstack/requests/compute/list_hosts.rb

diff --git a/lib/fog/openstack/compute.rb b/lib/fog/openstack/compute.rb
index c5eceae5b..7812c31d7 100644
--- a/lib/fog/openstack/compute.rb
+++ b/lib/fog/openstack/compute.rb
@@ -37,6 +37,8 @@ module Fog
       collection  :networks
       model       :snapshot
       collection  :snapshots
+      model       :host
+      collection  :hosts
 
       ## REQUESTS
       #
@@ -148,6 +150,11 @@ module Fog
       request :get_quota_defaults
       request :update_quota
 
+      # Hosts
+      request :list_hosts
+      request :get_host_details
+      
+
       class Mock
 
         def self.data
diff --git a/lib/fog/openstack/models/compute/host.rb b/lib/fog/openstack/models/compute/host.rb
new file mode 100644
index 000000000..aeda3fe0c
--- /dev/null
+++ b/lib/fog/openstack/models/compute/host.rb
@@ -0,0 +1,28 @@
+require 'fog/compute/models/server'
+require 'fog/openstack/models/compute/metadata'
+
+module Fog
+  module Compute
+    class OpenStack
+
+      class Host < Fog::Model
+
+        attribute :host_name
+        attribute :service
+        attribute :details
+
+        def initialize(attributes)
+          @connection = attributes[:connection]
+          super
+        end
+
+        def details
+          connection.get_host_details(self.host_name).body['host']
+        end
+
+      end
+
+    end
+  end
+
+end
diff --git a/lib/fog/openstack/models/compute/hosts.rb b/lib/fog/openstack/models/compute/hosts.rb
new file mode 100644
index 000000000..d56804167
--- /dev/null
+++ b/lib/fog/openstack/models/compute/hosts.rb
@@ -0,0 +1,32 @@
+require 'fog/core/collection'
+require 'fog/openstack/models/compute/host'
+
+module Fog
+  module Compute
+    class OpenStack
+
+      class Hosts < Fog::Collection
+
+        model Fog::Compute::OpenStack::Host
+
+        def all
+          data = connection.list_hosts.body['hosts']
+          load(data)
+        end
+
+        def get(host_name)
+          if host = connection.get_host_details(host_name).body['host']
+            new({
+              'host_name' => host_name,
+              'details' => host}
+            )
+          end
+        rescue Fog::Compute::OpenStack::NotFound
+          nil
+        end
+
+      end
+
+    end
+  end
+end
diff --git a/lib/fog/openstack/requests/compute/get_host_details.rb b/lib/fog/openstack/requests/compute/get_host_details.rb
new file mode 100644
index 000000000..ba8d73166
--- /dev/null
+++ b/lib/fog/openstack/requests/compute/get_host_details.rb
@@ -0,0 +1,74 @@
+module Fog
+  module Compute
+    class OpenStack
+      class Real
+
+        def get_host_details(host)
+          request(
+            :expects  => [200, 203],
+            :method   => 'GET',
+            :path     => "os-hosts/#{host}.json"
+          )
+        end
+
+      end
+
+      class Mock
+
+        def get_host_details(host)
+
+          response = Excon::Response.new
+          response.status = 200
+          response.body = { "host" => [
+              { "resource" => {
+                  "project" => "(total)",
+                  "memory_mb" => 64427,
+                  "host" => "cn28.la-1-3.morphcloud.net",
+                  "cpu" => 12,
+                  "disk_gb" => 1608
+                  }
+              }, 
+              { "resource" => {
+                  "project" => "(used_now)",
+                  "memory_mb" => 1753,
+                  "host" => "cn28.la-1-3.morphcloud.net",
+                  "cpu" => 3,
+                  "disk_gb" => 33
+                }
+              }, 
+              { "resource" => {
+                  "project" => "(used_max)",
+                  "memory_mb" => 7168,
+                  "host" => "cn28.la-1-3.morphcloud.net",
+                  "cpu" => 3,
+                  "disk_gb" => 45
+                }
+              },
+              { "resource" => {
+                  "project" => "bf8301f5164f4790889a1bc2bfb16d99",
+                  "memory_mb" => 5120,
+                  "host" => "cn28.la-1-3.morphcloud.net",
+                  "cpu" => 2,
+                  "disk_gb" => 35
+                }
+              },
+              { "resource" => {
+                  "project" => "3bb4d0301c5f47d5b4d96a361fcf96f4",
+                  "memory_mb" => 2048,
+                  "host" => "cn28.la-1-3.morphcloud.net",
+                  "cpu" => 1,
+                  "disk_gb" => 10
+                }
+              }
+            ]
+          }
+          response
+
+          
+        end
+
+
+      end # mock
+    end # openstack
+  end # compute
+end # fog
diff --git a/lib/fog/openstack/requests/compute/list_hosts.rb b/lib/fog/openstack/requests/compute/list_hosts.rb
new file mode 100644
index 000000000..4b8435455
--- /dev/null
+++ b/lib/fog/openstack/requests/compute/list_hosts.rb
@@ -0,0 +1,32 @@
+module Fog
+  module Compute
+    class OpenStack
+      class Real
+
+        def list_hosts
+          request(
+            :expects  => [200, 203],
+            :method   => 'GET',
+            :path     => 'os-hosts.json'
+          )
+        end
+
+      end
+
+      class Mock
+        
+        def list_hosts
+          response = Excon::Response.new
+          response.status = 200
+          response.body = { "hosts" => [
+              {"host_name" => "host.test.net", "service"=>"compute"}
+            ]
+          }
+          response
+        end
+
+
+      end # mock
+    end # openstack
+  end # compute
+end # fog
\ No newline at end of file