Update azure cloud config (#7208)

* Allow configureable vni and port for flannel overlay

* additional options for azure cloud config

docs/azure.md

@@ -42,6 +42,10 @@ The type of the vm. Supported values are `standard` or `vmss`. If vm is type of
 
 The name of the virtual network your instances are in, can be retrieved via `az network vnet list`
 
+### azure\_vnet\_resource\_group
+
+The name of the resource group that contains the vnet.
+
 ### azure\_subnet\_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`
@@ -50,6 +54,18 @@ The name of the subnet your instances are in, can be retrieved via `az network v
 
 The name of the network security group your instances are in, can be retrieved via `az network nsg list`
 
+### azure\_security\_group\_resource\_group
+
+The name of the resource group that contains the network security group.  Defaults to `azure_vnet_resource_group`
+
+### azure\_route\_table\_name
+
+The name of the route table used with your instances.
+
+### azure\_route\_table\_resource\_group
+
+The name of the resource group that contains the route table.  Defaults to `azure_vnet_resource_group`
+
 ### azure\_aad\_client\_id + azure\_aad\_client\_secret
 
 These will have to be generated first:

inventory/sample/group_vars/all/azure.yml

@@ -10,9 +10,11 @@
 # azure_location:
 # azure_subnet_name:
 # azure_security_group_name:
+# azure_security_group_resource_group:
 # azure_vnet_name:
 # azure_vnet_resource_group:
 # azure_route_table_name:
+# azure_route_table_resource_group:
 # supported values are 'standard' or 'vmss'
 # azure_vmtype: standard
 

roles/kubernetes/node/templates/cloud-configs/azure-cloud-config.j2

@@ -8,17 +8,19 @@
   "location": "{{ azure_location }}",
   "subnetName": "{{ azure_subnet_name }}",
   "securityGroupName": "{{ azure_security_group_name }}",
+  "securityGroupResourceGroup": "{{ azure_security_group_resource_group | default(azure_vnet_resource_group) }}",
   "vnetName": "{{ azure_vnet_name }}",
   "vnetResourceGroup": "{{ azure_vnet_resource_group }}",
   "routeTableName": "{{ azure_route_table_name }}",
+  "routeTableResourceGroup": "{{ azure_route_table_resource_group | default(azure_vnet_resource_group) }}",
   "vmType": "{{ azure_vmtype }}",
 {% if azure_primary_availability_set_name is defined %}
   "primaryAvailabilitySetName": "{{ azure_primary_availability_set_name }}",
 {%endif%}
-  "useInstanceMetadata": {{azure_use_instance_metadata }},
+  "useInstanceMetadata": {{azure_use_instance_metadata | lower }},
 {% if azure_loadbalancer_sku == "standard" %}
-  "excludeMasterFromStandardLB": {{ azure_exclude_master_from_standard_lb }},
+  "excludeMasterFromStandardLB": {{ azure_exclude_master_from_standard_lb | lower }},
-  "disableOutboundSNAT": {{ azure_disable_outbound_snat }},
+  "disableOutboundSNAT": {{ azure_disable_outbound_snat | lower }},
 {% endif%}
   "loadBalancerSku": "{{ azure_loadbalancer_sku }}"
 }