Add ServiceSizingPolicy (#180)

lib/aptible/api/account.rb

@@ -17,6 +17,7 @@ class Account < Resource
       has_many :metric_drains
       has_many :vhosts
       has_many :backup_retention_policies
+      has_many :service_sizing_policies
       embeds_many :log_drains
 
       field :id

lib/aptible/api/resource.rb

@@ -35,6 +35,7 @@ def root_url
 require 'aptible/api/permission'
 require 'aptible/api/release'
 require 'aptible/api/service'
+require 'aptible/api/service_sizing_policy'
 require 'aptible/api/source'
 require 'aptible/api/vhost'
 require 'aptible/api/ssh_portal_connection'

lib/aptible/api/service.rb

@@ -9,6 +9,7 @@ class Service < Resource
       has_many :operations
       has_many :releases
       has_many :disk_attachments
+      has_one :service_sizing_policy
 
       field :id
       field :handle
@@ -21,6 +22,21 @@ class Service < Resource
       field :instance_class
       field :created_at, type: Time
       field :updated_at, type: Time
+
+      def create_service_sizing_policy!(params)
+        params = { token: token }.merge(params)
+
+        # First create a link object so we know where to go
+        link = HyperResource::Link.new(
+          self,
+          'href' => "#{href}/service_sizing_policies"
+        )
+
+        # Now create the policy
+        link.create(
+          self.class.normalize_params(params)
+        )
+      end
     end
   end
 end

lib/aptible/api/service_sizing_policy.rb

@@ -0,0 +1,33 @@
+module Aptible
+  module Api
+    class ServiceSizingPolicy < Resource
+      belongs_to :account
+      has_many :services
+
+      field :id
+      field :created_at, type: Time
+      field :updated_at, type: Time
+
+      field :scaling_enabled
+      field :default_policy
+      field :metric_lookback_seconds
+      field :percentile
+      field :post_scale_up_cooldown_seconds
+      field :post_scale_down_cooldown_seconds
+      field :post_release_cooldown_seconds
+      field :mem_cpu_ratio_r_threshold
+      field :mem_cpu_ratio_c_threshold
+      field :mem_scale_up_threshold
+      field :mem_scale_down_threshold
+      field :minimum_memory
+      field :disable_recommendations
+      field :maximum_memory
+      field :cpu_consideration_threshold
+      field :autoscaling
+      field :min_cpu_threshold
+      field :max_cpu_threshold
+      field :min_containers
+      field :max_containers
+    end
+  end
+end