disable update center and the doCheckUpdatesServer() completely at start of Jenkins

[Jeroen Wolff]

Hi, on our production openshift cluster we don't have internet access, so i want to disable Jenkins to check for updates.

 

I made this file in init.groovy.d/disable-all-update-sites.groovy

/*
   This script completely disables all update sites in Jenkins, invalidates plugin
   upgrade data, and deletes the cached update data.
   Additionally, it sets a system property to disable all update sites.
*/
import hudson.model.UpdateSite
import jenkins.model.Jenkins
import hudson.util.PersistedList;




script_file = getClass().protectionDomain.codeSource.location.path

def j = Jenkins.instance
PersistedList<UpdateSite> sites = j.getUpdateCenter().getSites();
for(UpdateSite site : sites ) {
    site.neverUpdate = true
    try {
        site.data = null
        site.dataLastReadFromFile = -1
    } catch(Exception e) {}
    site.dataTimestamp = 0
    new File(j.getRootDir(), "updates/${site.id}.json").delete()
    println(" -> removed update-site: " + site.getUrl())
  sites.remove(site)
}
j.getUpdateCenter().save()
j.save()


//https://wiki.jenkins-ci.org/display/JENKINS/Features+controlled+by+system+properties
System.setProperty('hudson.model.UpdateCenter.never', 'true')

But still there is an update check during startup of Jenkins. In de configuration all update sites are gone, but after the execution of this script in the sysout there is this this message:

INFO: The attempt #1 to do the action check updates server failed with an allowed exception:

java.net.SocketTimeoutException: connect timed out

at java.net.PlainSocketImpl.socketConnect(Native Method)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666)

at sun.net.NetworkClient.doConnect(NetworkClient.java:175)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)

at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)

at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)

at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056)

at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1570)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)

at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268)

at hudson.model.DownloadService.loadJSON(DownloadService.java:167)

at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:189)

at hudson.PluginManager.checkUpdatesServer(PluginManager.java:1766)

at hudson.util.Retrier.start(Retrier.java:62)

at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:1737)

at jenkins.model.DownloadSettings$DailyCheck.execute(DownloadSettings.java:130)

at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:101)

at java.lang.Thread.run(Thread.java:748)

Aug 28, 2019 4:06:03 PM hudson.util.Retrier start

INFO: Calling the listener of the allowed exception 'connect timed out' at the attempt #1 to do the action check updates server

Aug 28, 2019 4:06:03 PM hudson.util.Retrier start

INFO: Attempted the action check updates server for 1 time(s) with no success

Aug 28, 2019 4:06:03 PM hudson.PluginManager doCheckUpdatesServer

SEVERE: Error checking update sites for 1 attempt(s). Last exception was: SocketTimeoutException: connect timed out

How can i prevent that?

Thanks,

Jeroen