.NET Core has changed it’s IIS server installation model compared to .NET Full Framework. Full Framework updates were installable in offline installers, but they were also available through Windows Update/SCCM. However, with .NET Core the installer the IIS server installer, the “Hosting Bundle”, is only an offline installer that can be found by following these steps: (example for 2.2.7)
- Watching the github AspNetCore/releases page for new stable releases.
- Following the Download and Install link to the appropriate download.md.
- Finding the Downloads section and within the ASP.NET Core Runtime column, downloading the Hosting Bundle.
Even though this process is really quick, it can feel repetitive and feel like something you shouldn’t need to do. This feeling can be compounded if you missed that a new release was created weeks or months before and someone else points outs the update to you.
So, a small solution to these two minor inconveniences is to setup a watcher script which will monitor the AspNetCore teams github repository for new releases, and upon finding a new one will download the Hosting Bundle and notify you of the update. This solution could run on a nightly basis.
In this example script those previously mentioned pieces of functionality are provided by:
- PowerShellForGithub\Get-GitHubRelease
This function can be used to pull back all the releases for a github repository and the results can be filtered to find the latest stable release.
In order to know if the latest release is newer than the release you currently have on your servers, you could simply check the date stamp for that release was the current day. However, for this sample script, it’s going to assume you can query an external system to find out the latest installed version.
- Selenium \ SeleniumUcsb
Selenium is used to navigate through the github release pages and find links to the download. It then downloads the Hosting Bundle installer by parsing through the pages to find the appropriate link. The parsing is actually a bit difficult to figure out sometimes, so an XPath Helper/tester for your browser can be really handy.
- Emailing
Send-MailMessage … yeah, that’s pretty straight forward.
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