[JENKINS-74515] [hetzner-cloud] Migrate legacy checkUrl attribute in cloud/dnation/jenkins/plugins/hetzner/HetznerCloud/config.jelly

Problem

```
== Legacy checkUrl
Line: 19
----
checkUrl="'${rootURL}/descriptorByName/cloud.dnation.jenkins.plugins.hetzner.HetznerCloud/checkCloudName?name='+escape(this.value)"
----

```

Solution

https://www.jenkins.io/doc/developer/security/csp/#legacy-javascript-checkurl-validation

---
Originally reported by basil, imported from: [hetzner-cloud] Migrate legacy checkUrl attribute in cloud/dnation/jenkins/plugins/hetzner/HetznerCloud/config.jelly

• status: Open
  
• priority: Minor
  
• component(s): _unsorted
  
• label(s): CSP
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 1
  
• imported: 2025-12-08
  

Raw content of original issue

Problem




== Legacy checkUrl

Line: 19

----

checkUrl="'${rootURL}/descriptorByName/cloud.dnation.jenkins.plugins.hetzner.HetznerCloud/checkCloudName?name='+escape(this.value)"

----





Solution


https://www.jenkins.io/doc/developer/security/csp/#legacy-javascript-checkurl-validation

Open cloud/dnation/jenkins/plugins/hetzner/HetznerCloud/config.jelly at line 19 and read the linked Jenkins CSP guidance for legacy checkUrl validation. Migrate this checkUrl usage as described, then verify that the HetznerCloud configuration still performs the cloud-name validation without the legacy attribute.

Written by the indexing model from the issue text.