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App compatibility checker

Overview
Details
Upgrading a splunk deployment involves checking the compatibility of all installed apps. Doing this manually does cost some time. This app checks the compatibility of your locally installed apps to a user provided splunk version by reaching out to the splunkbase API. It therefore relies on the information proveded there.
You can use this app to check air-gapped deployments aswell by exporting the information an reingest it into a splunk installation with internet access.

GitHub: https://github.com/dglauche/splunk_upgrade_app_compatibility_checker

Splunk upgrade app compatibility checker

Which moving parts are there?

  • | getsplunkversions which reaches out to doc.splunk.com to get a list of available splunk versions.
    Those are used within the "Target Splunk Version" drop down.
  • | checkappcompatibility target_version=x.x.x does the heavy lifting. It depends on a list of
    apps provided by splunks REST API | rest /services/apps/local but it is intentionally kept separated.
    To be able to reach out to the splunkbase API we need the ID's of the apps to check. Therefore
    checkappcompatibility looks for that information within update.homepage. If there is no URL provided
    it tries to retrieve the ID using the app's title field.

How to use it?

  • You can use the provided dashboard which lets you check locally installed apps against a "Target Splunk Version".
  • You can use the CSC checkappcompatibility manually like that: | rest /services/apps/local | checkappcompatibility target_version=8.2.1
    if you have usecases not covered by the dashboard.
  • You can export the results of the REST call and ingest them into another splunk box to let the app check the
    status there. This comes quite handy if you prepare to upgrade an air-gapped splunk deployment.

Are there limitations?

  • If you have a bunch of apps to check, splunk might auto finalize your search. To get around this split your dataset
    into multiple parts/searches.
  • Sometimes splunkbase does not list multiple versions of an app. If your version is not listed, the compatibility
    can't be checked. The checker will therefore recommend to update to the most recent app version which supports your
    target splunk version.
  • Obviously there a couple of apps which are not listed within the splunkbase so they cannot be checked. They will marked
    as "undecided" (see belows screenshot).
  • This app is by no means a substitution of Splunk's python upgrade readiness app
    as it does not analyze any code. It simply reach out to splunkbase to check compatibility information listed there.
  • You technically could check deployment apps but the REST API call mentioned does only contain apps installed locally.

Release Notes

Version 1.0.0
Aug. 12, 2021
5
Installs
36
Downloads
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