golang September 2014

golang@lists.fedoraproject.org

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[Bug 1096293] 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=1096293 Bug ID: 1096293 Summary: `docker start` doesn't fail on started container 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, s(a)shk.io, vbatts(a)redhat.com Depends On: 1090071 +++ This bug was initially created as a clone of Bug #1090071 +++ 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-0.10.0-8.el7.x86_64 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 --- Additional comment from Lukas Doktor on 2014-05-05 03:38:57 EDT --- Upstream Docker version 0.10.0, build dc9c28f/0.10.0 has the same issue (silently passes even thought the container was already running) Referenced Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1090071 [Bug 1090071] `docker start` doesn't fail on started container -- You are receiving this mail because: You are on the CC list for the bug.

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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 1140398] New: Catastrophic failure saving large images
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1140398 Bug ID: 1140398 Summary: Catastrophic failure saving large images Product: Fedora Version: 20 Component: docker-io Severity: medium Assignee: lsm5(a)fedoraproject.org Reporter: briemers(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, hushan.jia(a)gmail.com, jperrin(a)centos.org, lsm5(a)fedoraproject.org, mattdm(a)redhat.com, mgoldman(a)redhat.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: Large docker images are saved written first to temp. As such when one does a "docker save" for a large image the save process will error out with a disk full error. Afterwards, there will be mounting error if attempting to save the image again after resizing tmp. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. Create an image much larger than your /tmp space 2. Attempt to save 3. Actual results: [briemers@briemersw staging]$ docker save -o /data/oracle-xe-prod.dimg oracle-xe-prod 2014/09/10 16:41:23 Error: write /tmp/docker-export-336322967/dd28f4e8cb55517c4a97560a6adc9d2032b9fdfe4fb744857648067f66125a38/layer.tar: no space left on device [briemers@briemersw staging]$ sudo mount -o remount,size=20g /tmp [sudo] password for briemers: [briemers@briemersw staging]$ docker save -o /data/oracle-xe-prod.dimg oracle-xe-prod 2014/09/10 16:43:25 Error: Error mounting '/dev/mapper/docker-253:2-2097434-dd28f4e8cb55517c4a97560a6adc9d2032b9fdfe4fb744857648067f66125a38' on '/var/lib/docker/devicemapper/mnt/dd28f4e8cb55517c4a97560a6adc9d2032b9fdfe4fb744857648067f66125a38': device or resource busy [briemers@briemersw staging]$ sudo service docker restart Redirecting to /bin/systemctl restart docker.service [briemers@briemersw staging]$ docker save -o /data/oracle-xe-prod.dimg oracle-xe-prod 2014/09/10 16:43:52 Error: Error mounting '/dev/mapper/docker-253:2-2097434-dd28f4e8cb55517c4a97560a6adc9d2032b9fdfe4fb744857648067f66125a38' on '/var/lib/docker/devicemapper/mnt/dd28f4e8cb55517c4a97560a6adc9d2032b9fdfe4fb744857648067f66125a38': device or resource busy Expected results: I would not expect the process to need massive amounts of /tmp space, if so it should have an option to specify where the tmp files are written. Also, the process needs to clean-up it's locks so subsiquent commands don't fail. Additional info: -- 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 1140405] New: systemctl start docker fails because systemd continuously restarts the daemon
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1140405 Bug ID: 1140405 Summary: systemctl start docker fails because systemd continuously restarts the daemon Product: Fedora Version: 20 Component: docker-io Assignee: lsm5(a)fedoraproject.org Reporter: a.badger(a)gmail.com QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, hushan.jia(a)gmail.com, jperrin(a)centos.org, lsm5(a)fedoraproject.org, mattdm(a)redhat.com, mgoldman(a)redhat.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: I've installed docker for the first time and tried to start it with "systemctl start docker". The systemctl command returns successfully but then trying to run docker client commands against the daemon timed out. After some poking around I discovered that systemd was starting docker. Docker was taking quite a while to do various initialization tasks including invoking mkfs. systemd decided that docker was unresponsive and terminated it and then restarted it. Because mkfs hadn't finished, docker had to try running mkfs again. This cycle kept continuing and would probably have prevented docker from fully starting up forever. I worked around the problem by telling systemd not to start docker, running the docker daemon manually from a shell, waiting until the mkfs had completed, then shutting down my daemon and rerunning systemctl start docker. After that, the docker service runs fine. Version-Release number of selected component (if applicable): docker-io-1.2.0-2.fc20.x86_64 How reproducible: Everytime for me until after I ran docker as a daemon manually. I don't know how to reproduce once docker has initialized (Probably removing some file or volume but I don't know what it would be). Steps to Reproduce: 1. On a system that hasn't had docker running before 2. yum install docker-io 3. systemctl start docker 4. watch the output of systemctl status docker -l Actual results: systemctl status docker -l will report that docker is in state Activating for several minutes, then show that systemd decided docker wasn't responding, terminate it, and restart. The -l output will also show that docker is running mkfs for most of that time and is still running it when docker is terminated. Expected results: systemctl status docker -l will show that the state has gone to active (running) Additional info: * My filesystem is ext4. The docker initialization is running mkfs.ext4 * I'm using a 4-5 year old laptop with platter HDs. A faster machine or SSD drives might run mkfs quickly enough to not see this issue. * This might be "fixed" by adding some documentation that says to perform certain steps to initialize docker before running systemctl start docker rather than changing docker code to finish initialization sooner. -- You are receiving this mail because: You are on the CC list for the bug.

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[Bug 1123057] New: warning: file /usr/bin/gofmt: remove failed: No such file or directory while removing golang packages
by Red Hat Bugzilla 29 Jun '15

29 Jun '15

https://bugzilla.redhat.com/show_bug.cgi?id=1123057 Bug ID: 1123057 Summary: warning: file /usr/bin/gofmt: remove failed: No such file or directory while removing golang packages Product: Fedora Version: 20 Component: golang Assignee: vbatts(a)redhat.com Reporter: dominik(a)greysector.net QA Contact: extras-qa(a)fedoraproject.org CC: admiller(a)redhat.com, golang(a)lists.fedoraproject.org, lemenkov(a)gmail.com, lsm5(a)fedoraproject.org, renich(a)woralelandia.com, s(a)shk.io, vbatts(a)redhat.com Description of problem: There are two warnings while removing golang-pkg-bin-linux-amd64 package: warning: file /usr/bin/gofmt: remove failed: No such file or directory warning: file /usr/bin/go: remove failed: No such file or directory Version-Release number of selected component (if applicable): 1.2.2-7.fc20 How reproducible: Always Steps to Reproduce: 1. yum install golang 2. yum remove golang\* Actual Results: # yum remove golang\* Loaded plugins: changelog, langpacks Resolving Dependencies --> Running transaction check ---> Package golang.x86_64 0:1.2.2-7.fc20 will be erased ---> Package golang-pkg-bin-linux-amd64.x86_64 0:1.2.2-7.fc20 will be erased ---> Package golang-pkg-linux-amd64.noarch 0:1.2.2-7.fc20 will be erased ---> Package golang-src.noarch 0:1.2.2-7.fc20 will be erased --> Finished Dependency Resolution [...] Running transaction (shutdown inhibited) Erasing : golang-pkg-linux-amd64-1.2.2-7.fc20.noarch 1/4 Erasing : golang-pkg-bin-linux-amd64-1.2.2-7.fc20.x86_64 2/4 warning: file /usr/bin/gofmt: remove failed: No such file or directory warning: file /usr/bin/go: remove failed: No such file or directory Erasing : golang-1.2.2-7.fc20.x86_64 3/4 Erasing : golang-src-1.2.2-7.fc20.noarch 4/4 Verifying : golang-src-1.2.2-7.fc20.noarch 1/4 Verifying : golang-1.2.2-7.fc20.x86_64 2/4 Verifying : golang-pkg-bin-linux-amd64-1.2.2-7.fc20.x86_64 3/4 Verifying : golang-pkg-linux-amd64-1.2.2-7.fc20.noarch 4/4 Removed: golang.x86_64 0:1.2.2-7.fc20 golang-pkg-bin-linux-amd64.x86_64 0:1.2.2-7.fc20 golang-pkg-linux-amd64.noarch 0:1.2.2-7.fc20 golang-src.noarch 0:1.2.2-7.fc20 Expected Results: no warning about missing files Additional Information: It looks like the links maintained by update-alternatives are not marked as %ghost in the spec file: [...] ifarch x86_64 %files pkg-bin-linux-amd64 %{goroot}/bin/linux_amd64/ # binary executables %{_bindir}/go %{_bindir}/gofmt [...] This is required by the Alternatives guideline: https://fedoraproject.org/wiki/Packaging:Alternatives . -- 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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golang September 2014