Update azure with az command (#6042)

As the download page[1], the command name is "az", not "azure". This
replaces "azure" command with "az" command for fixing it.
In addition, "az account list-locations" is correct command line to
know available location as [2].

[1]: https://docs.microsoft.com/en-gb/azure/xplat-cli-install
[2]: https://docs.microsoft.com/en-us/cli/azure/account?view=azure-cli-latest#az-account-list-locations

docs/azure.md

@@ -11,21 +11,21 @@ Not all features are supported yet though, for a list of the current status have
 Before creating the instances you must first set the `azure_` variables in the `group_vars/all/all.yml` file.
 
 All of the values can be retrieved using the azure cli tool which can be downloaded here: <https://docs.microsoft.com/en-gb/azure/xplat-cli-install>
-After installation you have to run `azure login` to get access to your account.
+After installation you have to run `az login` to get access to your account.
 
 ### azure\_tenant\_id + azure\_subscription\_id
 
-run `azure account show` to retrieve your subscription id and tenant id:
+run `az account show` to retrieve your subscription id and tenant id:
 `azure_tenant_id` -> Tenant ID field
 `azure_subscription_id` -> ID field
 
 ### azure\_location
 
-The region your instances are located, can be something like `westeurope` or `westcentralus`. A full list of region names can be retrieved via `azure location list`
+The region your instances are located, can be something like `westeurope` or `westcentralus`. A full list of region names can be retrieved via `az account list-locations`
 
 ### azure\_resource\_group
 
-The name of the resource group your instances are in, can be retrieved via `azure group list`
+The name of the resource group your instances are in, can be retrieved via `az group list`
 
 ### azure\_vmtype
 
@@ -33,29 +33,29 @@ The type of the vm. Supported values are `standard` or `vmss`. If vm is type of
 
 ### azure\_vnet\_name
 
-The name of the virtual network your instances are in, can be retrieved via `azure network vnet list`
+The name of the virtual network your instances are in, can be retrieved via `az network vnet list`
 
 ### azure\_subnet\_name
 
-The name of the subnet your instances are in, can be retrieved via `azure network vnet subnet list --resource-group RESOURCE_GROUP --vnet-name VNET_NAME`
+The name of the subnet your instances are in, can be retrieved via `az network vnet subnet list --resource-group RESOURCE_GROUP --vnet-name VNET_NAME`
 
 ### azure\_security\_group\_name
 
-The name of the network security group your instances are in, can be retrieved via `azure network nsg list`
+The name of the network security group your instances are in, can be retrieved via `az network nsg list`
 
 ### azure\_aad\_client\_id + azure\_aad\_client\_secret
 
 These will have to be generated first:
 
 - Create an Azure AD Application with:
-`azure ad app create --display-name kubernetes --identifier-uris http://kubernetes --homepage http://example.com --password CLIENT_SECRET`
+`az ad app create --display-name kubernetes --identifier-uris http://kubernetes --homepage http://example.com --password CLIENT_SECRET`
 display name, identifier-uri, homepage and the password can be chosen
 Note the AppId in the output.
 - Create Service principal for the application with:
-`azure ad sp create --id AppId`
+`az ad sp create --id AppId`
 This is the AppId from the last command
 - Create the role assignment with:
-`azure role assignment create --role "Owner" --assignee http://kubernetes --subscription SUBSCRIPTION_ID`
+`az role assignment create --role "Owner" --assignee http://kubernetes --subscription SUBSCRIPTION_ID`
 
 azure\_aad\_client\_id must be set to the AppId, azure\_aad\_client\_secret is your chosen secret.