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Posted to issues@mesos.apache.org by "Jie Yu (JIRA)" <ji...@apache.org> on 2018/01/30 21:01:00 UTC
[jira] [Updated] (MESOS-7504) Parent's mount namespace cannot be
determined when launching a nested container.
[ https://issues.apache.org/jira/browse/MESOS-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jie Yu updated MESOS-7504:
--------------------------
Fix Version/s: 1.5.2
> Parent's mount namespace cannot be determined when launching a nested container.
> --------------------------------------------------------------------------------
>
> Key: MESOS-7504
> URL: https://issues.apache.org/jira/browse/MESOS-7504
> Project: Mesos
> Issue Type: Bug
> Components: containerization
> Affects Versions: 1.3.0
> Environment: Ubuntu 16.04
> Reporter: Alexander Rukletsov
> Assignee: Andrei Budnik
> Priority: Major
> Labels: containerizer, flaky-test, mesosphere
> Fix For: 1.4.2, 1.5.0
>
>
> I've observed this failure twice in different Linux environments. Here is an example of such failure:
> {noformat}
> [ RUN ] NestedMesosContainerizerTest.ROOT_CGROUPS_DestroyDebugContainerOnRecover
> I0509 21:53:25.471657 17167 containerizer.cpp:221] Using isolation: cgroups/cpu,filesystem/linux,namespaces/pid,network/cni,volume/image
> I0509 21:53:25.475124 17167 linux_launcher.cpp:150] Using /sys/fs/cgroup/freezer as the freezer hierarchy for the Linux launcher
> I0509 21:53:25.475407 17167 provisioner.cpp:249] Using default backend 'overlay'
> I0509 21:53:25.481232 17186 containerizer.cpp:608] Recovering containerizer
> I0509 21:53:25.482295 17186 provisioner.cpp:410] Provisioner recovery complete
> I0509 21:53:25.482587 17187 containerizer.cpp:1001] Starting container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d for executor 'executor' of framework
> I0509 21:53:25.482918 17189 cgroups.cpp:410] Creating cgroup at '/sys/fs/cgroup/cpu,cpuacct/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753/21bc372c-0f2c-49f5-b8ab-8d32c232b95d' for container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d
> I0509 21:53:25.484103 17190 cpu.cpp:101] Updated 'cpu.shares' to 1024 (cpus 1) for container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d
> I0509 21:53:25.484808 17186 containerizer.cpp:1524] Launching 'mesos-containerizer' with flags '--help="false" --launch_info="{"clone_namespaces":[131072,536870912],"command":{"shell":true,"value":"sleep 1000"},"environment":{"variables":[{"name":"MESOS_SANDBOX","type":"VALUE","value":"\/tmp\/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_zlywyr"}]},"pre_exec_commands":[{"arguments":["mesos-containerizer","mount","--help=false","--operation=make-rslave","--path=\/"],"shell":false,"value":"\/home\/ubuntu\/workspace\/mesos\/Mesos_CI-build\/FLAG\/SSL\/label\/mesos-ec2-ubuntu-16.04\/mesos\/build\/src\/mesos-containerizer"},{"shell":true,"value":"mount -n -t proc proc \/proc -o nosuid,noexec,nodev"}],"working_directory":"\/tmp\/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_zlywyr"}" --pipe_read="29" --pipe_write="32" --runtime_directory="/tmp/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_sKhtj7/containers/21bc372c-0f2c-49f5-b8ab-8d32c232b95d" --unshare_namespace_mnt="false"'
> I0509 21:53:25.484978 17189 linux_launcher.cpp:429] Launching container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d and cloning with namespaces CLONE_NEWNS | CLONE_NEWPID
> I0509 21:53:25.513890 17186 containerizer.cpp:1623] Checkpointing container's forked pid 1873 to '/tmp/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_Rdjw6M/meta/slaves/frameworks/executors/executor/runs/21bc372c-0f2c-49f5-b8ab-8d32c232b95d/pids/forked.pid'
> I0509 21:53:25.515878 17190 fetcher.cpp:353] Starting to fetch URIs for container: 21bc372c-0f2c-49f5-b8ab-8d32c232b95d, directory: /tmp/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_zlywyr
> I0509 21:53:25.517715 17193 containerizer.cpp:1791] Starting nested container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d.ea991d38-e1a5-44fe-a522-622b15142e35
> I0509 21:53:25.518569 17193 switchboard.cpp:545] Launching 'mesos-io-switchboard' with flags '--heartbeat_interval="30secs" --help="false" --socket_address="/tmp/mesos-io-switchboard-ca463cf2-70ba-4121-a5c6-1a170ae40c1b" --stderr_from_fd="36" --stderr_to_fd="2" --stdin_to_fd="32" --stdout_from_fd="33" --stdout_to_fd="1" --tty="false" --wait_for_connection="true"' for container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d.ea991d38-e1a5-44fe-a522-622b15142e35
> I0509 21:53:25.521229 17193 switchboard.cpp:575] Created I/O switchboard server (pid: 1881) listening on socket file '/tmp/mesos-io-switchboard-ca463cf2-70ba-4121-a5c6-1a170ae40c1b' for container 21bc372c-0f2c-49f5-b8ab-8d32c232b95d.ea991d38-e1a5-44fe-a522-622b15142e35
> I0509 21:53:25.522195 17191 containerizer.cpp:1524] Launching 'mesos-containerizer' with flags '--help="false" --launch_info="{"command":{"shell":true,"value":"sleep 1000"},"enter_namespaces":[131072,536870912],"environment":{}}" --pipe_read="32" --pipe_write="33" --runtime_directory="/tmp/NestedMesosContainerizerTest_ROOT_CGROUPS_DestroyDebugContainerOnRecover_sKhtj7/containers/21bc372c-0f2c-49f5-b8ab-8d32c232b95d/containers/ea991d38-e1a5-44fe-a522-622b15142e35" --unshare_namespace_mnt="false"'
> ../../src/tests/containerizer/nested_mesos_containerizer_tests.cpp:543: Failure
> (launch).failure(): Cannot get target mount namespace from process 1873: Cannot get 'mnt' namespace for child process '1885'
> I0509 21:53:25.536957 17191 cgroups.cpp:2692] Freezing cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753/21bc372c-0f2c-49f5-b8ab-8d32c232b95d
> I0509 21:53:25.638844 17192 cgroups.cpp:1405] Successfully froze cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753/21bc372c-0f2c-49f5-b8ab-8d32c232b95d after 101.84192ms
> I0509 21:53:25.639927 17189 cgroups.cpp:2710] Thawing cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753/21bc372c-0f2c-49f5-b8ab-8d32c232b95d
> I0509 21:53:25.640831 17189 cgroups.cpp:1434] Successfully thawed cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753/21bc372c-0f2c-49f5-b8ab-8d32c232b95d after 872960ns
> I0509 21:53:25.642843 17189 cgroups.cpp:2692] Freezing cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753
> I0509 21:53:25.745189 17186 cgroups.cpp:1405] Successfully froze cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753 after 102.276096ms
> I0509 21:53:25.746119 17189 cgroups.cpp:2710] Thawing cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753
> I0509 21:53:25.747002 17189 cgroups.cpp:1434] Successfully thawed cgroup /sys/fs/cgroup/freezer/mesos_test_d989f526-efe0-4553-bf79-936ad66c3753 after 856064ns
> [ FAILED ] NestedMesosContainerizerTest.ROOT_CGROUPS_DestroyDebugContainerOnRecover (325 ms)
> {noformat}
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