I have a Docker container with an ASP.NET (.NET 4.7) web application. The Docker image works perfectly using our local docker deployment, but will not start on Azure and I cannot find any information or diagnostics on why that might be.
From the log stream I get
31/05/2019 11:05:34.487 INFO - Site: ip-app-develop-1 - Creating container for image: 3tcsoftwaredockerdevelop.azurecr.io/irs-plus-app:latest-develop.
31/05/2019 11:05:34.516 INFO - Site: ip-app-develop-1 - Create container for image: 3tcsoftwaredockerdevelop.azurecr.io/irs-plus-app:latest-develop succeeded. Container Id 1ea16ee9f5f128f14246fefcd936705bb8a655dc6cdbce184fb11970ef7b1cc9
31/05/2019 11:05:40.151 INFO - Site: ip-app-develop-1 - Start container succeeded. Container: 1ea16ee9f5f128f14246fefcd936705bb8a655dc6cdbce184fb11970ef7b1cc9
31/05/2019 11:05:43.745 INFO - Site: ip-app-develop-1 - Application Logging (Filesystem): On
31/05/2019 11:05:44.919 INFO - Site: ip-app-develop-1 - Container ready
31/05/2019 11:05:44.919 INFO - Site: ip-app-develop-1 - Configuring container
31/05/2019 11:05:57.448 ERROR - Site: ip-app-develop-1 - Error configuring container
31/05/2019 11:06:02.455 INFO - Site: ip-app-develop-1 - Container has exited
31/05/2019 11:06:02.456 ERROR - Site: ip-app-develop-1 - Container customization failed
31/05/2019 11:06:02.470 INFO - Site: ip-app-develop-1 - Purging pending logs after stopping container
31/05/2019 11:06:02.456 INFO - Site: ip-app-develop-1 - Attempting to stop container: 1ea16ee9f5f128f14246fefcd936705bb8a655dc6cdbce184fb11970ef7b1cc9
31/05/2019 11:06:02.470 INFO - Site: ip-app-develop-1 - Container stopped successfully. Container Id: 1ea16ee9f5f128f14246fefcd936705bb8a655dc6cdbce184fb11970ef7b1cc9
31/05/2019 11:06:02.484 INFO - Site: ip-app-develop-1 - Purging after container failed to start
After several restart attempts (manual or as a result of re-configuration) I will simply get:
2019-05-31T10:33:46 The application was terminated.
The application then refuses to even attempt to start regardless of whether I use the az cli or the portal.
My current logging configuration is:
{
"applicationLogs": {
"azureBlobStorage": {
"level": "Off",
"retentionInDays": null,
"sasUrl": null
},
"azureTableStorage": {
"level": "Off",
"sasUrl": null
},
"fileSystem": {
"level": "Verbose"
}
},
"detailedErrorMessages": {
"enabled": true
},
"failedRequestsTracing": {
"enabled": false
},
"httpLogs": {
"azureBlobStorage": {
"enabled": false,
"retentionInDays": 2,
"sasUrl": null
},
"fileSystem": {
"enabled": true,
"retentionInDays": 2,
"retentionInMb": 35
}
},
"id": "/subscriptions/XXX/resourceGroups/XXX/providers/Microsoft.Web/sites/XXX/config/logs",
"kind": null,
"location": "North Europe",
"name": "logs",
"resourceGroup": "XXX",
"type": "Microsoft.Web/sites/config"
}
Further info on the app: - deployed using a docker container - docker base image mcr.microsoft.com/dotnet/framework/aspnet:4.7.2 - image entrypoint c:\ServiceMonitor.exe w3svc - app developed in ASP.NET 4.7 - using IIS as a web server
Questions:
How can I get some diagnostics on what is going on to enable me to determine why the app is not starting?
Why does the app refuse to even attempt to restart after a few failed attempts?
答案 0 :(得分：1)
我们遇到了同样的问题，最后我们看到 Appservice 正在挂载一个带有“特殊熟化”版本的 servicemonitor.exe 这个版本从 appservice 的后端读取事件。如果您更改 docker 映像以使用此版本的服务监视器将起作用。我们创建了一个小的 powershell 并从这里更改了入口点：
#WORKDIR /LogMonitor
SHELL ["C:\\LogMonitor\\LogMonitor.exe", "powershell.exe"]
# Start IIS Remote Management and monitor IIS
ENTRYPOINT Start-Service WMSVC; C:/ServiceMonitor.exe w3svc;
为此：
ENTRYPOINT ["C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe","-File","C:\\start-iis-environment.ps1"]
我们已经创建了这个 powershell，例如：
if (Test-Path -Path 'C:\AppService\Util\ServiceMonitor.exe' -PathType Leaf) {
& C:\AppService\Util\ServiceMonitor.exe w3svc
}
else{
& C:\ServiceMonitor.exe w3svc
}