compute.md in fog-azure-rm-0.3.4

- old
+ new

@@ -14,16 +14,16 @@
 
 Next, create a connection to the Compute Service:
 
 ```ruby
     azure_compute_service = Fog::Compute.new(
-        provider: 'AzureRM',
-        tenant_id: '<Tenantid>',                                                          # Tenant id of Azure Active Directory Application
-        client_id:    '<Clientid>',                                                       # Client id of Azure Active Directory Application
-        client_secret: '<ClientSecret>',                                                  # Client Secret of Azure Active Directory Application
-        subscription_id: '<Subscriptionid>',                                              # Subscription id of an Azure Account
-        :environment => '<AzureCloud/AzureChinaCloud/AzureUSGovernment/AzureGermanCloud>' # Azure cloud environment. Default is AzureCloud.
+      provider:         'AzureRM',
+      tenant_id:        '<Tenantid>',                                                      # Tenant id of Azure Active Directory Application
+      client_id:        '<Clientid>',                                                      # Client id of Azure Active Directory Application
+      client_secret:    '<ClientSecret>',                                                  # Client Secret of Azure Active Directory Application
+      subscription_id:  '<Subscriptionid>',                                                # Subscription id of an Azure Account
+      environment:      '<AzureCloud/AzureChinaCloud/AzureUSGovernment/AzureGermanCloud>'  # Azure cloud environment. Default is AzureCloud.
 )
 ```
 
 ## Check Server Existence
 
@@ -59,11 +59,12 @@
         version: 'latest',                         # Not required if custom image is being used
         platform: 'Linux',
         vhd_path: '<Path of VHD>',                 # Optional, if you want to create the VM from a custom image.
         custom_data: 'echo customData',            # Optional, if you want to add custom data in this VM.
         os_disk_caching: Fog::ARM::Compute::Models::CachingTypes::None, # Optional, can be one of None, ReadOnly, ReadWrite
-        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS # Optional, can be StandardLRS or PremiumLRS
+        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS, # Optional, can be StandardLRS or PremiumLRS
+        os_disk_size: <Disk Size>                  # Optional, size of the os disk in GB (upto 1023)
     )
 ```
 
 Create a new windows server
 
@@ -83,12 +84,13 @@
         offer: 'WindowsServerEssentials',                # Not required if custom image is being used  
         sku: 'WindowsServerEssentials',                  # Not required if custom image is being used
         version: 'latest',                               # Not required if custom image is being used
         platform: 'Windows',
         vhd_path: '<Path of VHD>',                       # Optional, if you want to create the VM from a custom image.
-        custom_data: 'echo customData',                   # Optional, if you want to add custom data in this VM.
-        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS # Optional, can be StandardLRS or PremiumLRS
+        custom_data: 'echo customData',                  # Optional, if you want to add custom data in this VM.
+        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS, # Optional, can be StandardLRS or PremiumLRS
+        os_disk_size: <Disk Size>                        # Optional, size of the os disk in GB (upto 1023)
     )
 ```
 
 ## Create Server Asynchronously
 
@@ -112,11 +114,12 @@
         version: 'latest',                         # Not required if custom image is being used
         platform: 'Linux',
         vhd_path: '<Path of VHD>',                 # Optional, if you want to create the VM from a custom image.
         custom_data: 'echo customData',            # Optional, if you want to add custom data in this VM.
         os_disk_caching: Fog::ARM::Compute::Models::CachingTypes::None, # Optional, can be one of None, ReadOnly, ReadWrite
-        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS # Optional, can be StandardLRS or PremiumLRS
+        managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::StandardLRS, # Optional, can be StandardLRS or PremiumLRS
+        os_disk_size: <Disk Size>                  # Optional, size of the os disk in GB (upto 1023)
     )
 ```
 Following methods are available to handle async respoonse:
 - state
 - pending?
@@ -186,10 +189,26 @@
 
 ```ruby
       server.detach_data_disk('<Disk Name>')
 ```
 
+## Attach a Managed Data Disk to Server
+
+Get the server object and attach a Data Disk to it.
+
+```ruby
+      server.attach_managed_disk('<Disk Name>', '<Disk Resource Group Name>')
+```
+
+## Detach a Managed Data Disk from Server
+
+Get the server object and detach a Data Disk from it.
+
+```ruby
+      server.detach_managed_disk('<Disk Name>')
+```
+
 ## Get a Server's status
 
 Check the status of a Server
 
 ```ruby 
@@ -318,17 +337,32 @@
 ```
 
 
 ## Create Managed Disk
 
-Create a new Managed Disk
+Create a new Premium Managed Disk
 
 ```ruby
     azure_compute_service.managed_disks.create(
         name: 'disk_name',
         location: 'east us',
         resource_group_name: 'resource_group_name',
         account_type: 'Premium_LRS',
+        disk_size_gb: 1023,
+        creation_data: {
+          create_option: 'Empty'
+        }
+    )
+```
+
+Create a new Standard Managed Disk
+
+```ruby
+    azure_compute_service.managed_disks.create(
+        name: 'disk_name',
+        location: 'east us',
+        resource_group_name: 'resource_group_name',
+        account_type: 'Standard_LRS',
         disk_size_gb: 1023,
         creation_data: {
           create_option: 'Empty'
         }
     )