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Azure Application Gateway Monitoring Integration

Azure Application Gateway is a web traffic load balancer that helps you manage web application traffic. Additional attributes of an HTTP request, such as the URI path or host headers, can be used by Application Gateway to make routing decisions.

You can now monitor your Application Gateways with accurate metrics, define thresholds, and auto-resolve issues with Site24x7's integration.

Setup and configuration

Adding an Azure Application Gateway while configuring a new Azure monitor

If you haven't configured an Azure Monitor yet, add one by following the steps below:

  1. Log in to your Site24x7 account.
  2. Choose Cloud from the left navigation pane, select Azure > Add Azure Monitor. You can also follow these steps to add an Azure Monitor.
  3. During Azure monitor configuration, in the Edit Azure Monitor page, select Azure Application Gateway from the Service/Resource Types drop-down.

Adding an Azure Application Gateway to an existing Azure monitor

If you already have an Azure monitor configured for the tenant, you can add the Azure Application Gateway by using the following steps:

  1. Log in to your Site24x7 account.
  2. Navigate to the Infrastructure/Inventory/Management Dashboards from the left pane of the Azure monitor for which you wish to add an Azure application gateway.
  3. Click this  icon and then Edit, which will bring you to the Edit Azure Monitor page.
  4. In the Edit Azure Monitor page, select the corresponding Subscription and Resource Group from the drop-down menu, select Azure Application Gateway from the Service/Resource Types drop-down, and click Save.

After successful configuration, go to Cloud > Azure, select Azure Application Gateway from the Azure monitor drop-down. Now you can view the discovered application gateways.

Note

It will take 15-30 minutes to discover new Azure resources. For immediate discovery of the selected configuration, go to the Infrastructure Dashboard of the Azure monitor and click on Discover Now from this  icon.

Polling frequency

Site24x7's Azure Application Gateway Monitor collects metric data every minute and the statuses from your application gateways every five minutes.

Supported metrics

Azure Application Gateway allows users to choose a tier during the setup process. The tiers are:

Each tier will have its respective metrics. Site24x7 displays the metrics applicable to the tier selected by the user and some of the metrics not applicable to your tier may appear empty.

The following metrics are collected:

Metric nameDescriptionStatisticUnit
Standard V2
Throughput The number of bytes per second the Application Gateway has served. Average Bytes per second
Unhealthy Host Count The number of unhealthy backend hosts. Average Count
Healthy Host Count The number of healthy backend hosts. Average Count
Total Requests The number of successful requests that the Application Gateway has served. Total Count
Requests per minute per Healthy Host The average number of requests per minute per healthy backend host in a pool. Average Count per minute
Failed Requests The number of failed requests that the Application Gateway has served. Average Count
Response Status HTTP response status returned by the Application Gateway. Total Count
Current Connections The number of current connections established with Application Gateway. Average Count
New connections per second New connections per second established with the Application Gateway. Average Count per second
Current Capacity Units Capacity Units consumed. Average Count
Current Capacity Units Capacity Units consumed. Average Count
Fixed Billable Current Capacity Units Fixed Capacity Units consumed. Average Count
Estimated Billed Current Capacity Units Estimated Capacity Units consumed. Average Count
Current Compute Units Compute Units consumed. Average Count
Backend Response Status The number of HTTP response codes generated by the backend members. This does not include any response codes generated by the Application Gateway. Average Count
Client TLS Protocol The number of TLS and non-TLS requests initiated by the client that established connection with the Application Gateway. Total Count
Bytes Sent The total number of bytes sent by the Application Gateway to the clients. Total Count
Bytes Received The total number of bytes received by the Application Gateway from the clients. Total Count
Client RTT Round trip time between clients and the Application Gateway. Average Milliseconds
Application Gateway Total Time Time taken to process a request and send a response. Average Milliseconds
Backend Connect Time Time spent establishing a connection with a backend server. Average Milliseconds
Backend First Byte Response Time Time between the start of connection establishment and the reception of the first byte of data. Average Milliseconds
Backend Last Byte Response Time Time interval between start of establishing a connection to the backend server and receiving the last byte of the response body. Average Milliseconds
WAF V2
Throughput The number of bytes per second the Application Gateway has served. Average Bytes per second
Unhealthy Host Count The number of unhealthy backend hosts. Average Count
Healthy Host Count The number of healthy backend hosts. Average Count
Total Requests Count of successful requests that the Application Gateway has served. Total Count
Requests per minute per Healthy Host The average number of requests per minute per healthy backend host in a pool. Average Count
Failed Requests The number of failed requests that the Application Gateway has served. Average Count
Response Status HTTP response status returned by the Application Gateway. Total Count
Current Connections The number of current connections established with the Application Gateway. Total Count
New connections per second New connections per second established with the Application Gateway. Average Count per second
Current Capacity Units Capacity Units consumed. Average Count
Fixed Billable Current Capacity Units Fixed Capacity Units consumed. Average Count
EstimatedBilledCurrent Capacity Units Estimated Capacity Units consumed. Average Count
Current Compute Units Compute Units consumed. Average Count
Backend Response Status The number of HTTP response codes generated by the backend members. This does not include any response codes generated by the Application Gateway. Average Count
Client TLS Protocol The number of TLS and non-TLS requests initiated by the client that established connection with the Application Gateway. Total Count
Bytes Sent The total number of bytes sent by the Application Gateway to the clients. Total Bytes
Bytes Received The total number of bytes received by the Application Gateway from the clients. Total Bytes
Client RTT Round trip time between clients and Application Gateway. Average Milliseconds
Application Gateway Total Time Time taken to process a request and send a response. Average Milliseconds
Backend Connect Time Time spent establishing a connection with a backend server. Average Milliseconds
Backend First Byte Response Time Time between the start of connection establishment and the reception of the first byte of data. Average Milliseconds
Backend Last Byte Response Time Time interval between start of establishing a connection to the backend server and receiving the last byte of the response body. Average Milliseconds
WAF Total Requests Total number of requests evaluated by WAF. Total Count
WAF Custom Rule Matches Matched Custom Rules. Average Count
WAF Managed Rule Matches Matched Managed Rules. Average Count
WAF Bot Protection Matches Matched Bot Rules. Average Count
Standard
Throughput The number of bytes per second the Application Gateway has served. Average Bytes per second
Unhealthy Host Count The number of unhealthy backend hosts. Average Count
Healthy Host Count The number of healthy backend hosts. Average Count
Total Requests The number of successful requests that the Application Gateway has served. Total Count
Requests per minute per Healthy Host The number of average requests per minute per healthy backend host in a pool. Average Count
Failed Requests The number of failed requests that Application Gateway has served. Total Count
Response Status HTTP response status returned by the Application Gateway. Total Count
Current Connections The number of current connections established with Application Gateway. Total Count
CPU Utilization Current CPU utilization of the Application Gateway. Average Percent
WAF
Throughput The number of bytes per second the Application Gateway has served. Average Bytes per second
Unhealthy Host Count The number of unhealthy backend hosts. Average Count
Healthy Host Count The number of healthy backend hosts. Average Count
Total Requests The number of successful requests that Application Gateway has served. Total Count
Requests per minute per Healthy Host The average number of requests per minute per healthy backend host in a pool. Average Count per minute
Failed Requests Count of failed requests that Application Gateway has served. Total Count
Response Status HTTP response status returned by the Application Gateway. Total Count
Current Connections Count of current connections established with the Application Gateway. Total Count
CPU Utilization Current CPU utilization of the Application Gateway. Average Percent
WAF Total Rule Distribution Web Application Firewall Total Rule Distribution for the incoming traffic. Total Count
WAF Blocked Count Total number of Web Application Firewall requests blocked. Total Count
WAF Blocked Requests Rule Distribution TotalCount

Threshold configuration

Global configuration

  1. Go to the Admin section on the left navigation pane.
  2. Select Configuration Profiles from the left pane and choose the Threshold and Availability (+) tab from the drop-down menu.
  3. Choose the monitor type as Azure Application Gateway.

You can also set the threshold values for all the metrics mentioned above.

Monitor-level configuration

  1. Go to Cloud > Azure and select Azure Application Gateway from the drop-down menu.
  2. Choose a resource for which you would like to set a threshold and then click this  icon on the top. Choose the Edit option, which directs you to the Edit Azure Application Gateway Monitor page.

You can set the threshold values for the metrics by selecting the Threshold and Availability option. You can also configure IT automation at the attribute level.

IT Automation

Site24x7's IT automation tools help auto-resolve performance degradation. The alarm engine continually evaluates the system events for which thresholds are set, and executes the mapped automation when there is a breach.

How to configure IT automation for a monitor.

Configuration Rules

Configure Threshold Profile, Notification Profile, Tags, Monitor Group, and other parameters for multiple monitors with Site24x7's Configuration Rules. You can run a scan and associate any of the previously generated rules that suit the monitor configurations while adding new monitors.

How to add a configuration rule.

Summary

The Summary tab will give you the performance data organized by time for the above mentioned metrics.

  1. To view the summary, go to Cloud > Azure and click the Azure monitor > Azure Application Gateway.
  2. Click a resource and select the Summary tab.

By doing so, you can view the Healthy Host count, Throughput, Total Requests, and much more.

Configuration Details

The Configuration Details of an application instance are provided under this tab. Here, you'll find the Pricing Tier, Operational State, IP Configurations, HTTP Port Configurations and so on.

  1. To get the configuration details, go to Cloud > Azure and click the Azure monitor > Azure Application Gateway.
  2. Click a resource and select the Configuration Details tab.

Reports

Gain in-depth data about the various parameters of your monitored resources and accentuate your service performance using our insightful reports.

To view reports for Azure Application Gateways:

  1. Navigate to the Reports section on the left navigation pane.
  2. Select Azure Application Gateway from the menu on the left.

You can find the Availability Summary Report and the Performance Report for one selected monitor, or you can get the Inventory Report, Summary Report, Availability Summary Report, Health Trend Report, and the Performance Report for all the application gateway monitors.

You can also get reports from the Summary tab of the Azure Application Gateway Monitor.

  • Go to the Summary tab of the Azure Application Gateway Monitor, and get the Availability Summary Report of the monitor by clicking on Availability or Downtime.

You can also find the Performance Report of the monitor by clicking on any chart title.

Related links

How to add an Azure monitor.
How to integrate Azure Virtual Machine monitor.
How to integrate Azure Network Interface monitor.
How to integrate an Azure App Service monitor.
How to configure IT automations for a monitor.

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