Application Gateway

View Logs

1. Navigate to your Log Analytics Workspace in the Azure portal .
   You can find workspace in the resource group: rg-<environment>-<short company name>-<workload name>-aks e.g. ' rg-prod-tls-cmaas-aks'
2. In the navigation panel on the left, click on logs to open the query editor
3. Run a query to get log data

Example queries:

# List all Application Gateway Access logs without any filter

AzureDiagnostics
| where Category == "ApplicationGatewayAccessLog"
| sort by TimeGenerated


# Create an access view for all hosts based on 30 minutes intervals. 

AzureDiagnostics
| where Category == "ApplicationGatewayAccessLog"
//| where host_s == "your-hostname.com"
| summarize count() by host_s, bin(TimeGenerated, 30m)
| render timechart


# Create an access view for a dedicated API or URI of a host based on 30 minutes intervals. 

AzureDiagnostics
| where Category == "ApplicationGatewayAccessLog"
| where requestUri_s == "/your-uri"
| summarize count() by requestUri_s, bin(TimeGenerated, 30m)
| render timechart


# Get HTTP status codes for a dedicated host. 

AzureDiagnostics
| where Category == "ApplicationGatewayAccessLog"
| where host_s == "your-hostname.com"
| summarize count() by httpStatus_d


# Search for a dedicated status code on a dedicated host. 

AzureDiagnostics
| where Category == "ApplicationGatewayAccessLog"
| where host_s == "your-hostname.com"
| where httpStatus_d == ""
| sort by TimeGenerated