What I should add once more just to clarify is that the slave container does actually get started (and hence why I am able to try manually ssh-ing into it) - it stays running for a few minutes and then exits.
On 20 October 2017 at 13:34, Martin Heg <[email protected]> wrote: > Frustrating thing is that I definitely had this same exact setup working > previously (jenkins master in docker container spawning slaves in sibling > containers), albeit in the context of docker toolbox (boot2docker) running > on windows, whereas I am now running against standard docker on linux. > > On 20 October 2017 at 13:25, Martin Heg <[email protected]> wrote: > >> Yes - jenkins master running in container. >> From the docker host I can manually ssh into the slave container with: >> ssh -p *ephmeral_port* [email protected] >> If I docker exec into the jenkins master I can also ssh into the slave >> container using the docker host ip: >> ssh -p *ephmeral_port* jenkins@*hostip* >> >> hmmmm..... >> >> On 20 October 2017 at 13:05, nicolas de loof <[email protected]> >> wrote: >> >>> Is your jenkins master running in a docker container as well ? >>> >>> stacktrace seems to demonstrate failure to establish a route to >>> 0.0.0.0:32791, even before any SSH authentication attempt >>> >>> 2017-10-20 12:16 GMT+02:00 Martin Heg <[email protected]>: >>> >>>> Thanks for your reply Nicolas. Yes I saw that suggestion in one of your >>>> other posts and have already tried it but still seeing the same issue >>>> unfortunately. >>>> >>>> On 20 October 2017 at 11:11, nicolas de loof <[email protected]> >>>> wrote: >>>> >>>>> to use your own SSH credentials you need to disable the "SSH key >>>>> management" option (title is unclear) >>>>> with this option set the container is configured to rely on jenkins >>>>> master Identity ssh key >>>>> >>>>> I'm working on a UI refactoring to avoid such confusing options >>>>> >>>>> 2017-10-20 11:38 GMT+02:00 <[email protected]>: >>>>> >>>>>> Just to add that the Docker plugin also recognises the slave >>>>>> container as running as shown in this attachment. >>>>>> >>>>>> >>>>>> <https://lh3.googleusercontent.com/-dwvQgB3E6S4/WenD9OpnTbI/AAAAAAAAAAM/zOJHAj-aEuQ32teM26AFPsAELCX8QAVvwCLcBGAs/s1600/screenshot.9.jpg> >>>>>> >>>>>> >>>>>> On Friday, 20 October 2017 10:03:45 UTC+1, [email protected] wrote: >>>>>>> >>>>>>> Hi, >>>>>>> I am getting this error on various versions of Jenkins and the >>>>>>> docker-plugin including latest of both. >>>>>>> My Jenkins master is running in a container. It successfully >>>>>>> launches a docker container for the slave (using the >>>>>>> evarga/jenkins-slave >>>>>>> image) but then fails to connect with the error below. >>>>>>> I can see my slave running with a docker ps and can even >>>>>>> successfully connect to it via ssh on 0.0.0.0:32791 (or whatever >>>>>>> the given ephmeral port is) using the same credentials configured in the >>>>>>> docker agent template section. >>>>>>> Any ideas really welcome as I'm now going round in circles trying to >>>>>>> get this working. >>>>>>> Thanks. >>>>>>> >>>>>>> >>>>>>> [10/20/17 08:13:45] [SSH] Opening SSH connection to 0.0.0.0:32791. >>>>>>> Connection refused (Connection refused) >>>>>>> SSH Connection failed with IOException: "Connection refused (Connection >>>>>>> refused)". >>>>>>> java.io.IOException: There was a problem while connecting to >>>>>>> 0.0.0.0:32791 >>>>>>> at com.trilead.ssh2.Connection.connect(Connection.java:834) >>>>>>> at com.trilead.ssh2.Connection.connect(Connection.java:703) >>>>>>> at com.trilead.ssh2.Connection.connect(Connection.java:617) >>>>>>> at >>>>>>> hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1284) >>>>>>> at >>>>>>> hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:804) >>>>>>> at >>>>>>> hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:793) >>>>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>>>>>> at >>>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >>>>>>> at >>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >>>>>>> at java.lang.Thread.run(Thread.java:748) >>>>>>> Caused by: java.net.ConnectException: Connection refused (Connection >>>>>>> refused) >>>>>>> at java.net.PlainSocketImpl.socketConnect(Native Method) >>>>>>> at >>>>>>> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) >>>>>>> at >>>>>>> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:204) >>>>>>> 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 >>>>>>> com.trilead.ssh2.transport.TransportManager.establishConnection(TransportManager.java:367) >>>>>>> at >>>>>>> com.trilead.ssh2.transport.TransportManager.initialize(TransportManager.java:480) >>>>>>> at com.trilead.ssh2.Connection.connect(Connection.java:774) >>>>>>> ... 9 more >>>>>>> [10/20/17 08:13:45] Launch failed - cleaning up connection >>>>>>> [10/20/17 08:13:45] [SSH] Connection closed. >>>>>>> >>>>>>> >>>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Jenkins Users" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/jenkinsci-users/9359318d-f >>>>>> 78f-432a-bd06-4c10768f2cdc%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/jenkinsci-users/9359318d-f78f-432a-bd06-4c10768f2cdc%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to a topic in the >>>>> Google Groups "Jenkins Users" group. >>>>> To unsubscribe from this topic, visit https://groups.google.com/d/to >>>>> pic/jenkinsci-users/cEKuC4GwP5I/unsubscribe. >>>>> To unsubscribe from this group and all its topics, send an email to >>>>> [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/jenkinsci-users/CANMVJzkXM >>>>> Ljco0tzp_rcZpcyQ-4xFMQNi9%3DKAAEK6-Z8r%3DLYMg%40mail.gmail.com >>>>> <https://groups.google.com/d/msgid/jenkinsci-users/CANMVJzkXMLjco0tzp_rcZpcyQ-4xFMQNi9%3DKAAEK6-Z8r%3DLYMg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Jenkins Users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit https://groups.google.com/d/ms >>>> gid/jenkinsci-users/CAHigaWxJMbmwMoMdXADbmwsYwgwsX8RpixHfqfZ >>>> -nJZbj1rFjA%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/jenkinsci-users/CAHigaWxJMbmwMoMdXADbmwsYwgwsX8RpixHfqfZ-nJZbj1rFjA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "Jenkins Users" group. >>> To unsubscribe from this topic, visit https://groups.google.com/d/to >>> pic/jenkinsci-users/cEKuC4GwP5I/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/jenkinsci-users/CANMVJznY_yeVFHw6GY0kj1Oj6Zrg04N9ws6D%2B >>> EMXdfunYfe6Hg%40mail.gmail.com >>> <https://groups.google.com/d/msgid/jenkinsci-users/CANMVJznY_yeVFHw6GY0kj1Oj6Zrg04N9ws6D%2BEMXdfunYfe6Hg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. 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