func()

in pkg/appgw/frontend_listeners.go [145:186]

• 35 lines of code
• 3 McCabe index (conditional complexity)

func (c *appGwConfigBuilder) newListener(cbCtx *ConfigBuilderContext, listenerID listenerIdentifier, protocol n.ApplicationGatewayProtocol, portsByNumber map[Port]n.ApplicationGatewayFrontendPort) (*n.ApplicationGatewayHTTPListener, *n.ApplicationGatewayFrontendPort, error) {
	frontIPConfiguration := *LookupIPConfigurationByType(c.appGw.FrontendIPConfigurations, listenerID.FrontendType)
	portNumber := listenerID.FrontendPort
	var frontendPort n.ApplicationGatewayFrontendPort
	var exists bool
	if frontendPort, exists = portsByNumber[portNumber]; !exists {
		portName := generateFrontendPortName(listenerID.FrontendPort)
		frontendPort = n.ApplicationGatewayFrontendPort{
			Etag: to.StringPtr("*"),
			Name: &portName,
			ID:   to.StringPtr(c.appGwIdentifier.frontendPortID(portName)),
			ApplicationGatewayFrontendPortPropertiesFormat: &n.ApplicationGatewayFrontendPortPropertiesFormat{
				Port: to.Int32Ptr(int32(portNumber)),
			},
		}
	}

	listenerName := generateListenerName(listenerID)
	listener := n.ApplicationGatewayHTTPListener{
		Etag: to.StringPtr("*"),
		Name: to.StringPtr(listenerName),
		ID:   to.StringPtr(c.appGwIdentifier.listenerID(listenerName)),
		ApplicationGatewayHTTPListenerPropertiesFormat: &n.ApplicationGatewayHTTPListenerPropertiesFormat{
			// TODO: expose this to external configuration
			FrontendIPConfiguration: resourceRef(*frontIPConfiguration.ID),
			FrontendPort:            resourceRef(*frontendPort.ID),
			Protocol:                protocol,
			HostName:                nil,
			HostNames:               &[]string{},

			// setting to default
			RequireServerNameIndication: to.BoolPtr(false),
		},
	}

	// Use only the 'HostNames' field as application gateway allows either 'HostName' or 'HostNames'
	if hostNames := listenerID.getHostNames(); len(hostNames) != 0 {
		listener.HostNames = &hostNames
	}

	return &listener, &frontendPort, nil
}