Update install-on-azure.md

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@ -5,7 +5,7 @@ keywords: Universal Control Plane, UCP, install, Docker EE, Azure, Kubernetes
---
Docker UCP closely integrates into Microsoft Azure for its Kubernetes Networking
and Persistent Storage feature set. UCP deploys the Calico CNI provider, in Azure
and Persistent Storage feature set. UCP deploys the Calico CNI provider. In Azure
the Calico CNI leverages the Azure networking infrastructure for data path
networking and the Azure IPAM for IP address management. There are
infrastructure prerequisites that are required prior to UCP installation for the
@ -20,24 +20,23 @@ IP addresses.
You have two options for provisoning IPs for the Kubernetes cluster on Azure:
- Docker UCP provides an automated mechanism to configure and maintain IP pools
for stand-alone Azure VMs. This service runs within the calico-node daemonset
for standalone Azure VMs. This service runs within the calico-node daemonset
and by default will provision 128 IP address for each node. This value can be
configured via the `azure_ip_count`in the UCP
configured through the `azure_ip_count`in the UCP
[configuration file](../configure/ucp-configuration-file) before or after the
UCP installation. Note that if this value is reduced post installation, existing
VMs will not be reconciled, and the user will have to manually edit the IP count
UCP installation. Note that if this value is reduced post-installation, existing
VMs will not be reconciled, and you will have to manually edit the IP count
in Azure.
- Manually provision additional IP address for each Azure VM. This could be done
as part of an Azure Virtual Machine Scale Set via an ARM template, an example
can be found [here](#set-up-ip-configurations-on-an-azure-virtual-machine-scale-set).
Note the `azure_ip_count` value in the UCP
as part of an Azure Virtual Machine Scale Set through an ARM template. You can find an example [here](#set-up-ip-configurations-on-an-azure-virtual-machine-scale-set).
Note that the `azure_ip_count` value in the UCP
[configuration file](../configure/ucp-configuration-file) will need to be set
to 0. If not UCP's IP Allocator service will provision IP Address on top of
to 0, otherwise UCP's IP Allocator service will provision the IP Address on top of
those you have already provisioned.
## Azure Prerequisites
The following list of infrastructure prerequisites need to be met in order
You must meet these infrastructure prerequisites in order
to successfully deploy Docker UCP on Azure.
- All UCP Nodes (Managers and Workers) need to be deployed into the same
@ -58,7 +57,7 @@ Group hosting the UCP Nodes. Note, if using a separate networking Resource
Group the same Service Principal will need `Network Contributor` access to this
Resource Group.
The following information will be required for the installation:
UCP requires the following information for the installation:
- `subscriptionId` - The Azure Subscription ID in which the UCP
objects are being deployed.
@ -69,9 +68,8 @@ objects are being deployed.
### Azure Configuration File
For Docker UCP to integrate in to Microsoft Azure, an Azure configuration file
will need to be placed within each UCP node in your cluster. This file
will need to be placed at `/etc/kubernetes/azure.json`.
For Docker UCP to integrate into Microsoft Azure, you need to place an Azure configuration file
within each UCP node in your cluster, at `/etc/kubernetes/azure.json`.
See the template below. Note entries that do not contain `****` should not be
changed.