Jenkins overwriting config.xml on startup

[Wendell Beckwith]

I've installed the jenkins 2.94 as both a war file and a docker container with the jenkins_home mapped to a local directory and I can startup jenkins fine.  I then add the suggested plugins, admin user, blue ocean and the docker plugin.  After a restart I add a docker cloud and all is well.  However, if I stop and restart the container/war file then I can see that my config.xml which is approx 2300 bytes is replaced with a 1800 byte file.  Effectively the docker cloud portion is removed and an emply <couds/> element is there.  What config option am I likely missing to get my changes to persist restarts?

[Slide]

Do you mean you are trying to run two instances of Jenkins from the same JENKINS_HOME? That will not work.

On Tue, Dec 12, 2017 at 1:12 PM Wendell Beckwith <wbec...@gmail.com> wrote:

I've installed the jenkins 2.94 as both a war file and a docker container with the jenkins_home mapped to a local directory and I can startup jenkins fine.  I then add the suggested plugins, admin user, blue ocean and the docker plugin.  After a restart I add a docker cloud and all is well.  However, if I stop and restart the container/war file then I can see that my config.xml which is approx 2300 bytes is replaced with a 1800 byte file.  Effectively the docker cloud portion is removed and an emply <couds/> element is there.  What config option am I likely missing to get my changes to persist restarts?

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[niristotle okram]

Can you elaborate the part: "I add a docker cloud" ? 

On Tue, Dec 12, 2017 at 2:10 PM, Wendell Beckwith <wbec...@gmail.com> wrote:

I've installed the jenkins 2.94 as both a war file and a docker container with the jenkins_home mapped to a local directory and I can startup jenkins fine.  I then add the suggested plugins, admin user, blue ocean and the docker plugin.  After a restart I add a docker cloud and all is well.  However, if I stop and restart the container/war file then I can see that my config.xml which is approx 2300 bytes is replaced with a 1800 byte file.  Effectively the docker cloud portion is removed and an emply <couds/> element is there.  What config option am I likely missing to get my changes to persist restarts?

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[Wendell Beckwith]

I added the docker 1.1.1 plugin to jenkins and then I configure jenkins and under the "Add a new Cloud" setting I selected Docker.  I then give the docker host a name and a tcp url (i.e. tcp://ec2.compute-1.amazonaws.com:2376) and select Apply and Save.  I can then see that the config.xml has the following

  <clouds>

    <com.nirima.jenkins.plugins.docker.DockerCloud plugin="docker...@1.1.1">

      <name>docker</name>

      <dockerApi>

        <dockerHost plugin="docker-...@1.10">

          <uri>tcp://ec2.compute-1.amazonaws.com:2376</uri>

          <credentialsId>docker</credentialsId>

        </dockerHost>

        <connectTimeout>60</connectTimeout>

      </dockerApi>

      <containerCap>100</containerCap>

      <exposeDockerHost>false</exposeDockerHost>

    </com.nirima.jenkins.plugins.docker.DockerCloud>

  </clouds>

 

However, once I stop and restart jenkins then my changes are wiped out and replaced with an empty <clouds/> element.

[Daniel Beck]

> On 12. Dec 2017, at 23:13, Wendell Beckwith <wbec...@gmail.com> wrote:
>
> However, once I stop and restart jenkins then my changes are wiped out and replaced with an empty <clouds/> element.

Anything interesting in the jenkins.log during startup?

[Wendell Beckwith]

I just configured the config.xml file to be locked on osx and I get the following:

INFO: Refreshing org.springframework.web.context.support.StaticWebApplicationContext@22eb18b8: display name [Root WebApplicationContext]; startup date [Tue Dec 12 19:50:31 UTC 2017]; root of context hierarchy

Dec 12, 2017 7:50:31 PM org.springframework.context.support.AbstractApplicationContext obtainFreshBeanFactory

INFO: Bean factory for application context [org.springframework.web.context.support.StaticWebApplicationContext@22eb18b8]: org.springframework.beans.factory.support.DefaultListableBeanFactory@6c09328

Dec 12, 2017 7:50:31 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons

INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@6c09328: defining beans [filter,legacy]; root of factory hierarchy

Dec 12, 2017 7:50:32 PM hudson.util.AtomicFileWriter commit

WARNING: Unable to move atomically, falling back to non-atomic move.

java.nio.file.FileSystemException: /var/jenkins_home/atomic1428219556388127924tmp -> /var/jenkins_home/config.xml: Operation not permitted

        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91)

        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)

        at sun.nio.fs.UnixCopyFile.move(UnixCopyFile.java:396)

        at sun.nio.fs.UnixFileSystemProvider.move(UnixFileSystemProvider.java:262)

        at java.nio.file.Files.move(Files.java:1395)

        at hudson.util.AtomicFileWriter.commit(AtomicFileWriter.java:158)

        at hudson.XmlFile.write(XmlFile.java:184)

        at jenkins.model.Jenkins.save(Jenkins.java:3161)

        at jenkins.model.Jenkins.saveQuietly(Jenkins.java:3167)

        at jenkins.model.Jenkins.setSecurityRealm(Jenkins.java:2540)

        at jenkins.model.Jenkins$17.run(Jenkins.java:3131)

        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)

        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)

        at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068)

        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)

        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

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

Dec 12, 2017 7:50:32 PM hudson.util.AtomicFileWriter commit

INFO: The target file /var/jenkins_home/config.xml was already existing

Dec 12, 2017 7:50:32 PM hudson.util.AtomicFileWriter commit

WARNING: Unable to move /var/jenkins_home/atomic1428219556388127924tmp to /var/jenkins_home/config.xml. Attempting to delete /var/jenkins_home/atomic1428219556388127924tmp and abandoning.

Dec 12, 2017 7:50:32 PM jenkins.model.Jenkins saveQuietly

WARNING: null

java.nio.file.FileSystemException: /var/jenkins_home/config.xml: Operation not permitted

        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91)

        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)

        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)

        at sun.nio.fs.UnixCopyFile.move(UnixCopyFile.java:447)

        at sun.nio.fs.UnixFileSystemProvider.move(UnixFileSystemProvider.java:262)

        at java.nio.file.Files.move(Files.java:1395)

        at hudson.util.AtomicFileWriter.commit(AtomicFileWriter.java:173)

        at hudson.XmlFile.write(XmlFile.java:184)

        at jenkins.model.Jenkins.save(Jenkins.java:3161)

        at jenkins.model.Jenkins.saveQuietly(Jenkins.java:3167)

        at jenkins.model.Jenkins.setSecurityRealm(Jenkins.java:2540)

        at jenkins.model.Jenkins$17.run(Jenkins.java:3131)

        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)

        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)

        at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068)

        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)

        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

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

        Suppressed: java.nio.file.FileSystemException: /var/jenkins_home/atomic1428219556388127924tmp -> /var/jenkins_home/config.xml: Operation not permitted

                at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91)

                at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)

                at sun.nio.fs.UnixCopyFile.move(UnixCopyFile.java:396)

                at sun.nio.fs.UnixFileSystemProvider.move(UnixFileSystemProvider.java:262)

                at java.nio.file.Files.move(Files.java:1395)

                at hudson.util.AtomicFileWriter.commit(AtomicFileWriter.java:158)

                ... 13 more

Dec 12, 2017 7:50:33 PM jenkins.InitReactorRunner$1 onAttained

INFO: Completed initialization

Dec 12, 2017 7:50:33 PM hudson.WebAppMain$3 run

INFO: Jenkins is fully up and running