golang May 2014

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[Bug 1090071] New: `docker start` doesn't fail on started container
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1090071 Bug ID: 1090071 Summary: `docker start` doesn't fail on started container Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: On older (0.9) docker, the `docker start $running_container` failed. The new 0.10.2 version just prints the container name and proceeds. Version-Release number of selected component (if applicable): docker-io-0.10.0-2.fc20.x86_64 How reproducible: Always Steps to Reproduce: 1. docker run -i -t -name test fedora bash 2. docker start test Actual results: [root@t530 ~]# docker start test test [root@t530 ~]# echo &? 0 Expected results: [root@t530 ~]# docker start test Error: Cannot start container test: The container 429d709bc86c037b09e9f74dfab40aa33dc19bcf3109daf3f5b2fbbd3c6df297 is already running. 2014/04/22 15:29:28 Error: failed to start one or more containers [root@t530 ~]# echo &? 1 -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1096269] New: lost signals when sending lots of signals using --sig-proxy to docker
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1096269 Bug ID: 1096269 Summary: lost signals when sending lots of signals using --sig-proxy to docker Product: Red Hat Enterprise Linux 7 Version: 7.1 Component: docker Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: virt-bugs(a)redhat.com CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Depends On: 1087700 +++ This bug was initially created as a clone of Bug #1087700 +++ Description of problem: When I send lots of signals to the running docker with --sig-proxy (actual kill signals, not `docker kill`), most of them got lost. Version-Release number of selected component (if applicable): docker-0.10.0-8.el7.x86_64 docker-io-0.9.1-1.fc21.x86_64 How reproducible: always Steps to Reproduce: 1. /usr/bin/docker -D run --tty=false --rm -i --name test_eoly localhost:5000/ldoktor/fedora:latest bash -c 'for NUM in `seq 1 64`; do trap "echo Received $NUM, ignoring..." $NUM; done; while :; do sleep 1; done' 2. ps ax |grep docker 3. for AAA in `seq 1 32`; do [ $AAA -ne 9 ] && [ $AAA -ne 20 ] && [ $AAA -ne 19 ] && kill -s $AAA $PID; done Actual results: Output of the docker is: Received 1, ignoring... Received 2, ignoring... Expected results: Messages for all of the `Received $NUM, ignoring...` printed (order doesn't matter) Additional info: Skipping 9, 19, 20 as they are a bit too special.. --- Additional comment from Lukas Doktor on 2014-05-05 04:10:09 EDT --- The same results with upstream docker dc9c28f/0.10.0: Output: Received 1, ignoring... [debug] stdcopy.go:111 framesize: 24 Received 2, ignoring... Daemon output: 2014/05/05 10:08:45 POST /v1.10/containers/b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5/kill?signal=HUP [/home/medic/Work/Projekty/Docker/root|fa3816b6] +job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, HUP) [/home/medic/Work/Projekty/Docker/root|fa3816b6] -job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, HUP) = OK (0) 2014/05/05 10:08:45 POST /v1.10/containers/b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5/kill?signal=INT [/home/medic/Work/Projekty/Docker/root|fa3816b6] +job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, INT) [/home/medic/Work/Projekty/Docker/root|fa3816b6] -job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, INT) = OK (0) Referenced Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1087700 [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1087697] New: man page inaccuracy about --sig-proxy and --tty
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1087697 Bug ID: 1087697 Summary: man page inaccuracy about --sig-proxy and --tty Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Description of problem: Hi guys, the man page states: --sig-proxy=true: Proxify all received signal to the process (even in non-tty mode) But the real behavior is, that sig-proxy doesn't work when --tty=true. It should be mentioned in there, taht --sig-proxy is incompatible with --tty. Version-Release number of selected component (if applicable): docker-io-0.9.1-1.fc21.x86_64 How reproducible: always Steps to Reproduce: 1. man docker Actual results: man page says it works even in non-tty Expected results: man page warns that --tty can't be used with --sig-proxy How to verify: 1. docker run --tty=true -i --rm fedora bash -c 'for NUM in `seq 1 64`; do trap "echo Received $NUM, ignoring..." $NUM; done; while :; do sleep 1; done' 2. ps -ax | grep docker 3. kill -SIGUSR1 $PID 4. (with --tty=true no signals are received, when you try the same with --tty=false, signals are proxified and messages are displayed) -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1075232] New: 0.9.0 Adds virtual interface, NetworkManager attempts to assign dhcp address to it
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1075232 Bug ID: 1075232 Summary: 0.9.0 Adds virtual interface, NetworkManager attempts to assign dhcp address to it Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: admiller(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Created attachment 873221 --> https://bugzilla.redhat.com/attachment.cgi?id=873221&action=edit snippet from /var/log/messages for my laptop around the virtual interface events Description of problem: When you install docker-io-0.9.0 on Fedora 20, it creates a new virtual interface 13: vethf3e3: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master docker0 state UP group default qlen 1000 link/ether 1a:9c:40:61:1e:8b brd ff:ff:ff:ff:ff:ff inet6 fe80::189c:40ff:fe61:1e8b/64 scope link valid_lft forever preferred_lft forever Something (I'm thinking dbus or udev) causes NetworkManager to launch dhclient for the new interface, and if you're running with a Desktop Environment this causes a visual change to the NM applet which can be confusing. It doesn't ever do anything, NM eventually times out and gives up and this doesn't appear to impact docker's functionality at all (or at least not yet in my tests have I found an issue, networking works fine). Version-Release number of selected component (if applicable): docker-io-0.9.0-2.fc20.x86_64 How reproducible: Always Steps to Reproduce: 1. yum install docker-io #on a machine with a GUI/DE up and running with NetworkManager Actual results: NetworkManager attempts to get a dhcp lease on the new virtual interface. Expected results: NetworkManager probably shouldn't attempt to get a dhcp lease on the new virtual interface, this seems odd. Additional info: -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1033606] New: Failed to connect to network from Docker container
by Red Hat Bugzilla 17 Jun '15

17 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1033606 Bug ID: 1033606 Summary: Failed to connect to network from Docker container Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: mfojtik(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, vbatts(a)redhat.com Description of problem: Connecting to external network from Docker container fail due to firewalld. I guess you must have masquerade enabled, however this is not mentioned anywhere. I think docker-io should set the firewalld rules automatically, or tell users that they need to enable masquarade in firewalld. Version-Release number of selected component (if applicable): Name : docker-io Arch : x86_64 Version : 0.7 Release : 0.17.rc6.fc20 Steps to Reproduce: 1. $ yum install docker-io 2. $ systemctl enable docker.service 3. $ systemctl start docker.service 4. $ docker pull mattdm/fedora 5. $ docker run -i -t mattdm/fedora:latest /bin/bash 6. $ ping google.com ping: unknown host google.com When I stop firewalld on host (systemctl stop firewalld) and then restart the docker (systemctl restart docker), the ping works like a charm. Actual results: Unable to connect outside the Docker container with firewalld enabled. Expected results: Docker should configure firewalld automatically (during install?), or inform users to do so manually. Additional info: -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1096286] New: "docker top all" doesn't show processes when --tty=false
by Red Hat Bugzilla 02 Jun '15

02 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1096286 Bug ID: 1096286 Summary: "docker top all" doesn't show processes when --tty=false Product: Red Hat Enterprise Linux 7 Version: 7.1 Component: docker Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: virt-bugs(a)redhat.com CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Depends On: 1088259 +++ This bug was initially created as a clone of Bug #1088259 +++ After using the same magic required for the upstream docker 0.10 this behaves the same on RHEL docker-0.10.0-8.el7.x86_64 Description of problem: Hi guys, when I run docker with --tty=false, the `docker top $NAME all` doesn't show any processes (just headers). When using only `docker top $NAME` it shows them... Also the `ps` command inside container works, but `ps all` does not. Version-Release number of selected component (if applicable): docker-0.10.0-8.el7.x86_64 docker-io-0.9.0-3.fc20.x86_64 How reproducible: always Steps to Reproduce: 1. docker run -i --tty=false fedora bash 2. docker logs $NAME Actual results: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND Expected results: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 1 0 24006 23954 20 0 11732 540 - R pts/14 0:00 bash --- Additional comment from Lukas Doktor on 2014-05-05 03:41:35 EDT --- Can't reproduce with the upstream Docker version 0.10.0, build dc9c28f/0.10.0 top doesn't work at all (due of https://bugzilla.redhat.com/show_bug.cgi?id=1088125 ) --- Additional comment from Lukas Doktor on 2014-05-05 03:46:07 EDT --- OK I moved it to the old cgroup location and the results are the same. So booth, fedora docker-io-0.9.0-3.fc20.x86_64 and upstream dc9c28f/0.10.0 are unable to list processes using `all` argument in non-tty mode. Referenced Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1088259 [Bug 1088259] "docker top all" doesn't show processes when --tty=false -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1088259] New: "docker top all" doesn't show processes when --tty=false
by Red Hat Bugzilla 02 Jun '15

02 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1088259 Bug ID: 1088259 Summary: "docker top all" doesn't show processes when --tty=false Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Description of problem: Hi guys, when I run docker with --tty=false, the `docker top $NAME all` doesn't show any processes (just headers). When using only `docker top $NAME` it shows them... Also the `ps` command inside container works, but `ps all` does not. Version-Release number of selected component (if applicable): docker-io-0.9.0-3.fc20.x86_64 How reproducible: always Steps to Reproduce: 1. docker run -i --tty=false fedora bash 2. docker logs $NAME Actual results: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND Expected results: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 1 0 24006 23954 20 0 11732 540 - R pts/14 0:00 bash -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1102751] New: Got "Error running removeDevice" after kill -9 docker
by Red Hat Bugzilla 29 May '15

29 May '15

https://bugzilla.redhat.com/show_bug.cgi?id=1102751 Bug ID: 1102751 Summary: Got "Error running removeDevice" after kill -9 docker Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: mfojtik(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: While I was playing with Docker today, I found interesting behavior: When you 'kill -9' the 'docker -d' process, then this happens: 1. The 'docker -d' process gets killed ;-) 2. All containers gets killed 3. The 'docker -d' restarts, because of Restart=on-failure Now, while all this is expected and OK, I get this when I tried to 'restart' the container that was killed in 2): May 29 13:24:56 ip-10-146-193-102 systemd[1]: Starting Container origin-db-1... May 29 13:24:56 ip-10-146-193-102 sh[19731]: Reusing b80104263de02f39bbc6d742c977ddadecb0660f5c50386eaf1cf645f3515b9c May 29 13:25:07 ip-10-146-193-102 docker[19739]: Error: Cannot destroy container origin-db-1: Driver devicemapper failed to remove root filesystem e536cf328e0083e2414c750434deb1127517d00399fddac84903825d6f003787: Error running removeDevice May 29 13:25:07 ip-10-146-193-102 docker[19739]: 2014/05/29 13:25:07 Error: failed to remove one or more containers May 29 13:25:07 ip-10-146-193-102 gear[21193]: user: unknown user ctr-origin-db-1 May 29 13:25:09 ip-10-146-193-102 docker[21192]: 2014/05/29 13:25:09 Error: Cannot start container bd1a88a35e84ef6d71fa3e1df0b4e2998318dfed6d60fd3ae381567fff2ac2a3: Cannot find child for /origin-db-1 May 29 13:25:09 ip-10-146-193-102 systemd[1]: ctr-origin-db-1.service: main process exited, code=exited, status=1/FAILURE Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. Start up some containers 2. kill -9 (the 'docker -d' process pid) 3. Try to start the dead container again 4. Get the error above. Actual results: Expected results: Containers should be successfully started back. Additional info: -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1087700] New: lost signals when sending lots of signals using --sig-proxy to docker
by Red Hat Bugzilla 29 May '15

29 May '15

https://bugzilla.redhat.com/show_bug.cgi?id=1087700 Bug ID: 1087700 Summary: lost signals when sending lots of signals using --sig-proxy to docker Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: ldoktor(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, skottler(a)redhat.com, vbatts(a)redhat.com Description of problem: When I send lots of signals to the running docker with --sig-proxy (actual kill signals, not `docker kill`), most of them got lost. Version-Release number of selected component (if applicable): docker-io-0.9.1-1.fc21.x86_64 How reproducible: always Steps to Reproduce: 1. /usr/bin/docker -D run --tty=false --rm -i --name test_eoly localhost:5000/ldoktor/fedora:latest bash -c 'for NUM in `seq 1 64`; do trap "echo Received $NUM, ignoring..." $NUM; done; while :; do sleep 1; done' 2. ps ax |grep docker 3. for AAA in `seq 1 32`; do [ $AAA -ne 9 ] && [ $AAA -ne 20 ] && [ $AAA -ne 19 ] && kill -s $AAA $PID; done Actual results: Output of the docker is: Received 1, ignoring... Received 2, ignoring... Expected results: Messages for all of the `Received $NUM, ignoring...` printed (order doesn't matter) Additional info: Skipping 9, 19, 20 as they are a bit too special.. -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1093000] New: Unable to save an image to a tar archive
by Red Hat Bugzilla 29 May '15

29 May '15

https://bugzilla.redhat.com/show_bug.cgi?id=1093000 Bug ID: 1093000 Summary: Unable to save an image to a tar archive Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)redhat.com Reporter: lslebodn(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lsm5(a)redhat.com, mattdm(a)redhat.com, mgoldman(a)redhat.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: I tried to dump content of docker image to a tarball with command "docker save" It failed with error message "no space left on device" Version-Release number of selected component (if applicable): I was able to reproduce problem with docker-io from stable repository and with docker-io from updates-testing [root@vm-169 docker]# rpm -q docker-io docker-io-0.9.1-1.fc20.x86_64 or docker-io-0.10.0-2.fc20.x86_64 How reproducible: Allways Steps to Reproduce: 1. Create big docker image (e.g. 1.8 GiB) [root@vm-169 docker-freeipa]# docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE big_image latest b366efe500de 57 minutes ago 1.778 GB fedora 20 b7de3133ff98 5 days ago 372.7 MB 2. save docker image to tarball [root@vm-169 docker]# docker save big_image > big_image.tar Actual results: [root@vm-169 docker]# docker save big_image > big_image.tar 2014/04/30 12:39:38 Error: write /docker-export-085323451/934d868afd0a79629df2cad704cbc1ed9344654625569263a630933d2785de57/layer.tar: no space left on device [root@vm-169 docker]# file big_image.tar big_image.tar: empty [root@vm-169 docker]# ls -l big_image.tar -rw-r--r--. 1 root root 0 Apr 30 13:41 big_image.tar Expected results: File big_image.tar should not be empty and should contain data from docker image with name big_image Additional info: Directory /tmp should be used for creating small temporary files, because it is mounted on tmpfs. I think it would be better to use /var/tmp in this case. -- You are receiving this mail because: You are on the CC list for the bug.

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golang May 2014