I'm trying to find how I can have my fmt.Printf or log.Printf from my go app being tail or logged like we are able to do for .NET or Node apps to the Application logs.
Based on this article (archive link) by enabling the Application logging from the portal all stdout should be logged. But for some reasons my log output are not printed either when using the azure CLI or downloading the log. There's no Application directory in the LogFiles directory of the diagnostics.zip.
azure site log tail sitename or azure site log download sitename
In Node I use the IISNode.yml file to tell to log the console.log to the application log. Is there a similar way of doing this for go app?
loggingEnabled: true
devErrorsEnabled: true
We haven`t implement logging for Go application yet. Here is the pending work item in our repository https://github.com/projectkudu/kudu/issues/1535
Feel free to raise your needs onto our Github issue, and we will triage and address it according to schedule.
As of now, you will need to handle your own logging.
Related
I am working on the ASP.Net MVC 4.8 application. It does have Logs file log4net and it was deployed in on-premises. Now it has been migrated to Azure. Now I am trying to find out some errors and other logs information however I am not able to find where to go and look for the logfile. I have two interest, 1 check the error messages and any log information.
If I need to make some changes what would be the easiest and straightforward way to capture logs and view them in Azure portal. As you can see in the picture below unter Monitoring there are many ways are given to see the logs but I am not sure where to go.
The app service will create an application insights of the same name.
This application Insights will contain all the logs regarding the web app along with performance data and other telemetry data too.
You can view logs live under live metrics tab in application insights of the same name as web app .
Here I have deployed a simple mvc app which logs using Ilogger (typical boilerplate app which visual studio provides ) . IT will log once I refresh the page.
Refer these MS DOCS on application insights
I've set up a linux based azure app service and am unable to see log messages from the application itself in both the "log stream" and "logs" tab of the monitoring options. It is important to note I can see start up messages in the logs for the deployed application and can see outputs when get and post requests are made to the corresponding connection url so i know its running (Also the tasks the application is written to perform are carried out). Additionally, in the "App Service Logs" tab I have "Application Logging" set to "File System" as is standard for what I'm trying to output but this hasn't resulted in any in-application logs being visible.
Lastly about a year ago I managed to set up two other linux based azure app services that work completely as desired and output the in app log messages to the stream and cannot replicate this behaviour with this one. I feel there is just some setting or property somewhere i have overlooked but no matter how many different setting tabs I investigate I cannot spot any significant differences.
Are there any somewhat hidden options or requirements to be aware of in order to get in-application logs to be outputted to a linux based app services "log stream"? Or some other solution at a higher level in the azure resource group, workspace, application insights etc that may solve this issue? Any help and suggestions are greatly appreciated thank you.
I have tested in my environment.
Go to Your App Service --> Select Diagnose and Solve Problems --> Click on Availability and Performance --> Select Application Logs
You should be able to see the Application Logs, Platform Logs and Deployment Logs here.
Log Stream gives you the live logs of your application. The logs displayed in the Application logs should be seen in the Log Stream.
I have created two function Apps with a few Functions in it (Http,Queue triggers etc), one in Consumption and the other in App Service Plan. However, i don't see any logs in the Web Server Logs section of the Log Stream in both my Function Apps.
It always shows the following.
Can someone help me in understanding if this feature available for Function Apps?
Thanks,
Praveen
On Log streaming, Application logs is able to see all Azure Functions logs, including host and functions entries. Web Server logs seems not useful in Azure Function and no log is written there.
Go to kudu(https://functionappname.scm.azurewebsites.net/DebugConsole) and navigate to D:\home\LogFiles to check. Subfolder Application is Application logs and http is Web Server logs.
I have a Node application (Bot Framework bot) hosted on Azure. What's the best way to log information for debugging? For example, as far as i'm aware, using console.log() isn't helpful because there is no console to look at in Azure. I also do not want to call tons of session.send() to the client.
So whats the best way to get some sort of debug logging?
You can leverage the Diagnostic Log extension on Azure Web Apps. Login your web app in Azure portal(https://ms.portal.azure.com/). Click on Diagnostic logs in settings option and Turn On Application logging in Diagnostic Logs Tab.
And then you can login the Kudu console site of your web app(https://<Your_Webapp_name>.scm.azurewebsites.net/DebugConsole) and browse to your Application folder(D:\home\LogFiles\Application folder).
Otherwise, you can click the Diagnostic dump on the top nav bar of the kudu console site to download the log files.
On the other hand, you can use the Log stream tool on the Azure portal(https://ms.portal.azure.com/) for a real time debugging online.
At last, you can integrate a 3rd part node.js log modules, such like winston into your application. And catch the logs into your own log file.
Any further concern, please feel free to let me know.
This guide seems to answer your question: https://azure.microsoft.com/en-us/documentation/articles/web-sites-nodejs-debug. (If not, please provide additional info about what you'd like to achieve.)
How can you give ApplicationPoolIdentity permissions to write to the Application Event Log?
I've read about adding a user to the permissions for HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog but I can't find the user ApplicationPoolIdentity
And how can I have this as part of the deployment for a web site? ... specifically to Azure Web App Service
You cannot modify the registry of an instance in App Service as the sandbox in Azure App Service doesn't allow you to modify registry. More details here
As long as you are not creating a new Event Source, your application logging will continue to work and the events will be written to EventLog.xml (which is a lightweight event log file). You can read more details about this in https://github.com/projectkudu/kudu/wiki/Azure-Web-App-sandbox#access-to-event-log.
You can access the eventlog.xml file directly from KUDU under D:\HOME\LOGFILES folder, or from support portal or by using a website extension which I wrote some time back. More details on this in https://blogs.msdn.microsoft.com/puneetgupta/2014/09/24/azure-website-siteextension-to-view-eventlogs/