Add more azure variables for more clarity

contrib/azurerm/group_vars/all

 
-# Due to some Azure limitations, this name must be globally unique
+# Due to some Azure limitations (ex:- Storage Account's name must be unique), 
+# this name must be globally unique - it will be used as a prefix for azure components
 cluster_name: example
 
 # Set this to true if you do not want to have public IPs for your masters and minions. This will provision a bastion
@@ -17,12 +18,29 @@ minions_os_disk_size: 1000
 
 admin_username: devops
 admin_password: changeme
+
+# MAKE SURE TO CHANGE THIS TO YOUR PUBLIC KEY to access your azure machines
 ssh_public_key: "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDLRzcxbsFDdEibiyXCSdIFh7bKbXso1NqlKjEyPTptf3aBXHEhVil0lJRjGpTlpfTy7PHvXFbXIOCdv9tOmeH1uxWDDeZawgPFV6VSZ1QneCL+8bxzhjiCn8133wBSPZkN8rbFKd9eEUUBfx8ipCblYblF9FcidylwtMt5TeEmXk8yRVkPiCuEYuDplhc2H0f4PsK3pFb5aDVdaDT3VeIypnOQZZoUxHWqm6ThyHrzLJd3SrZf+RROFWW1uInIDf/SZlXojczUYoffxgT1lERfOJCHJXsqbZWugbxQBwqsVsX59+KPxFFo6nV88h3UQr63wbFx52/MXkX4WrCkAHzN ablock-vwfs@dell-lappy"
 
-kube_apiserver_port: 6443
+# Disable using ssh using password. Change it to false to allow to connect to ssh by password
+disablePasswordAuthentication: true
 
 # Azure CIDRs
 azure_vnet_cidr: 10.0.0.0/8
 azure_admin_cidr: 10.241.2.0/24
 azure_masters_cidr: 10.0.4.0/24
 azure_minions_cidr: 10.240.0.0/16
+
+# Azure loadbalancer port to use to access your cluster
+kube_apiserver_port: 6443
+
+# Azure Netwoking and storage naming to use with inventory/all.yml
+#azure_virtual_network_name: KubeVNET
+#azure_subnet_admin_name: ad-subnet
+#azure_subnet_masters_name: master-subnet
+#azure_subnet_minions_name: minion-subnet
+#azure_route_table_name: routetable
+#azure_security_group_name: secgroup
+
+# Storage types available are: "Standard_LRS","Premium_LRS"
+#azure_storage_account_type: Standard_LRS

contrib/azurerm/roles/generate-templates/defaults/main.yml

 apiVersion: "2015-06-15"
 
-virtualNetworkName: "KubVNET"
+virtualNetworkName: "{{ azure_virtual_network_name | default('KubeVNET') }}"
 
-subnetAdminName: "ad-subnet"
-subnetMastersName: "master-subnet"
-subnetMinionsName: "minion-subnet"
+subnetAdminName: "{{ azure_subnet_admin_name | default('ad-subnet') }}"
+subnetMastersName: "{{ azure_subnet_masters_name | default('master-subnet') }}"
+subnetMinionsName: "{{ azure_subnet_minions_name | default('minion-subnet') }}"
 
-routeTableName: "routetable"
-securityGroupName: "secgroup"
+routeTableName: "{{ azure_route_table_name | default('routetable') }}"
+securityGroupName: "{{ azure_security_group_name | default('secgroup') }}"
 
-nameSuffix: "{{cluster_name}}"
+nameSuffix: "{{ cluster_name }}"
 
 availabilitySetMasters: "master-avs"
 availabilitySetMinions: "minion-avs"
@@ -33,5 +33,5 @@ imageReference:
 imageReferenceJson: "{{imageReference|to_json}}"
 
 storageAccountName: "sa{{nameSuffix | replace('-', '')}}"
-storageAccountType: "Standard_LRS"
+storageAccountType: "{{ azure_storage_account_type | default('Standard_LRS') }}"