When you have several applications or when you have multiple tiers in an application, creating applications using the public APIs or the user interface becomes a long process. vRealize Network Insight auto-discovers the applications and enables you to add the applications and their tiers automatically, which reduces a lot of manual efforts.
vRealize Network Insight can perform Application Discovery based on:
- Tags (vCenter Server or AWS tags)
- VM Names
- ServiceNow
- Flows
An Example of the Application Discovery Construct
Let's assume,
- you have added vCenter Server as a data source
- you have four VMs in your datacenter - VM1, VM2, VM3, and VM4.
- you have defined tags (key-value) that defines the application names to which each VMs belongs
- you have defined tags (key-value) that defines the tier to which each VMs belongs
For example, see the table:
| VM Name | Key-value tags |
|---|---|
| VM1 |
|
| VM2 |
|
| VM3 |
|
| VM4 |
|
To discover applications based on tags
vRealize Network Insight, you can define a grouping criteria for application discovery for these tags.
In this example, based on the defined tags and grouping criteria,
vRealize Network Insight discovers two applications (MyApplication1 and MyApplication2) with two tiers (App and Web) and its related VMs.
| Application | Tiers and its VMs |
|---|---|
| MyApplication1 |
|
| MyApplication2 |
|
To create an application and tiers based on VM Names
Let's assume, the VM names are defined in a particular format.
ApplicationName : Tier : VMName
MyApplication1 : App : VM1 MyApplication1 : Web : VM2 MyApplication2 : App : VM3 MyApplication2 : Web : VM4
Note: Randomly defined VM names cannot be grouped for application discovery.
When you use the following regex,
vRealize Network Insight discovers two applications.
- App Regex:
(.*)_(.*)_.*-.* - Tier Regex:
(.*)_(.*)_(.*)-.*
| Application | Tiers and its VMs |
|---|---|
| MyApplication1 |
|
| MyApplication2 |
|
