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2018-08-06Disable KVM dimension because it's making the test flakyFabricio Voznika
PiperOrigin-RevId: 207642348 Change-Id: Iacec9f097ab93b91c0c8eea61b1347e864f57a8b
2018-08-06Tiny reordering to network codeFabricio Voznika
PiperOrigin-RevId: 207581723 Change-Id: I6e4eb1227b5ed302de5e6c891040b670955f1eea
2018-08-02Isolate image pulling time from container startupFabricio Voznika
mysql image test is timing out sporadically and it's hard to tell where the slow down in coming from. PiperOrigin-RevId: 207147237 Change-Id: I05a4d2c116292695d63cf861f3b89cd1c54b6106
2018-08-01Move stack clock to options structIan Gudger
PiperOrigin-RevId: 207039273 Change-Id: Ib8f55a6dc302052ab4a10ccd70b07f0d73b373df
2018-07-31Use backoff package for retry logicFabricio Voznika
PiperOrigin-RevId: 206834838 Change-Id: I9a44c6fa5f4766a01f86e90810f025cefecdf2d4
2018-07-31Drop dup2 filterMichael Pratt
It is unused. PiperOrigin-RevId: 206798328 Change-Id: I2d7d27c0e4a0ef51264b900f14f1b3fdad17f2c4
2018-07-30Cleans up files created if there is a failure.Brielle Broder
PiperOrigin-RevId: 206674267 Change-Id: Ifc4eb19e0882e8bed566e9c553af910925fe6ae2
2018-07-27Make runsc visibility public.Adin Scannell
(Why not?) PiperOrigin-RevId: 206401282 Change-Id: Iadcb7fb8472de7aef7c4bf5182e9a1d339e4d259
2018-07-27Replace sleeps with waits in tests - part IIFabricio Voznika
PiperOrigin-RevId: 206333130 Change-Id: Ic85874dbd53c5de2164a7bb75769d52d43666c2a
2018-07-25Replace sleeps with waits in tests - part IFabricio Voznika
PiperOrigin-RevId: 206084473 Change-Id: I44e1b64b9cdd2964357799dca27cc0cbc19ce07d
2018-07-25runsc: Fix "exec" command when called without --pid-file.Nicolas Lacasse
When "exec" command is called without the "--detach" flag, we spawn a second "exec" command and wait for that one to start. We use the pid file passed in --pid-file to detect when this second command has started running. However if "exec" is called with no --pid-file flag, this system breaks down, as we don't have a pid file to wait for. This CL ensures that the second instance of the "exec" command always writes a pid-file, so the wait is successful. PiperOrigin-RevId: 206002403 Change-Id: If9f2be31eb6e831734b1b833f25054ec71ab94a6
2018-07-23Created a docker integration test for a tomcat image.Justine Olshan
PiperOrigin-RevId: 205718733 Change-Id: I200b23af064d256f157baf9da5005ab16cc55928
2018-07-23Add KVM and overlay dimensions to container_testFabricio Voznika
PiperOrigin-RevId: 205714667 Change-Id: I317a2ca98ac3bdad97c4790fcc61b004757d99ef
2018-07-20Removed a now incorrect reference to restoreFile.Justine Olshan
PiperOrigin-RevId: 205470108 Change-Id: I226878a887fe1133561005357a9e3b09428b06b6
2018-07-19runsc: copy gateway from the pod network interface.Lantao Liu
PiperOrigin-RevId: 205334841 Change-Id: Ia60d486f9aae70182fdc4af50cf7c915986126d7
2018-07-18Moved restore code out of create and made to be called after create.Justine Olshan
Docker expects containers to be created before they are restored. However, gVisor restoring requires specificactions regarding the kernel and the file system. These actions were originally in booting the sandbox. Now setting up the file system is deferred until a call to a call to runsc start. In the restore case, the kernel is destroyed and a new kernel is created in the same process, as we need the same process for Docker. These changes required careful execution of concurrent processes which required the use of a channel. Full docker integration still needs the ability to restore into the same container. PiperOrigin-RevId: 205161441 Change-Id: Ie1d2304ead7e06855319d5dc310678f701bd099f
2018-07-18runsc: Fixes to CheckpointRestoreTest.Nicolas Lacasse
We must delete the output file at the beginning of the test, otherwise the test fails immediately. Also some minor cleanups in readOutputFile. PiperOrigin-RevId: 205150525 Change-Id: I6bae1acd5b315320a2c6e25a59afcfc06267fb17
2018-07-13runsc: Fix map access race in boot.Loader.waitContainer.Nicolas Lacasse
PiperOrigin-RevId: 204522004 Change-Id: I4819dc025f0a1df03ceaaba7951b1902d44562b3
2018-07-13Bump the timeout when waiting for python HTTP server.Nicolas Lacasse
PiperOrigin-RevId: 204511630 Change-Id: Ib841a7144f3833321b0e69b8585b03c4ed55a265
2018-07-12runsc: Don't close the control server in a defer.Nicolas Lacasse
Closing the control server will block until all open requests have completed. If a control server method panics, we end up stuck because the defer'd Destroy function will never return. PiperOrigin-RevId: 204354676 Change-Id: I6bb1d84b31242d7c3f20d5334b1c966bd6a61dbf
2018-07-11Automated rollback of changelist 203157739Bhasker Hariharan
PiperOrigin-RevId: 204196916 Change-Id: If632750fc6368acb835e22cfcee0ae55c8a04d16
2018-07-11Created runsc and docker integration tests.Justine Olshan
Moved some of the docker image functions to testutil.go. Test runsc commands create, start, stop, pause, and resume. PiperOrigin-RevId: 204138452 Change-Id: Id00bc58d2ad230db5e9e905eed942187e68e7c7b
2018-07-10Modified error message for clarity.Brielle Broder
Previously, error message only showed "<nil>" when child and pid were the same (since no error is returned by the Wait4 syscall in this case) which occurs when the process has incorrectly terminated. A new error message was added to improve clarity for such a case. Tests for this function were modified to reflect the improved distinction between process termination and error. PiperOrigin-RevId: 204018107 Change-Id: Ib38481c9590405e5bafcb6efe27fd49b3948910c
2018-07-06Tests pause and resume functionality on a Python container.Justine Olshan
PiperOrigin-RevId: 203488336 Change-Id: I55e1b646f1fae73c27a49e064875d55f5605b200
2018-07-03Fix runsc VDSO mappingMichael Pratt
80bdf8a4068de3ac4a73b6b61a0cdcfe3e3571af accidentally moved vdso into an inner scope, never assigning the vdso variable passed to the Kernel and thus skipping VDSO mappings. Fix this and remove the ability for loadVDSO to skip VDSO mappings, since tests that do so are gone. PiperOrigin-RevId: 203169135 Change-Id: Ifd8cadcbaf82f959223c501edcc4d83d05327eba
2018-07-03Skip overlay on root when its readonlyFabricio Voznika
PiperOrigin-RevId: 203161098 Change-Id: Ia1904420cb3ee830899d24a4fe418bba6533be64
2018-07-03runsc: `runsc wait` print wait status.Lantao Liu
PiperOrigin-RevId: 203160639 Change-Id: I8fb2787ba0efb7eacd9d4c934238a26eb5ae79d5
2018-07-03Resend packets back to netstack if destined to itselfFabricio Voznika
Add option to redirect packet back to netstack if it's destined to itself. This fixes the problem where connecting to the local NIC address would not work, e.g.: echo bar | nc -l -p 8080 & echo foo | nc 192.168.0.2 8080 PiperOrigin-RevId: 203157739 Change-Id: I31c9f7c501e3f55007f25e1852c27893a16ac6c4
2018-07-03Fix flaky image_testFabricio Voznika
- Some failures were being ignored in run_tests.sh - Give more time for mysql to setup - Fix typo with network=host tests - Change httpd test to wait on http server being available, not only output PiperOrigin-RevId: 203156896 Change-Id: Ie1801dcd76e9b5fe4722c4d8695c76e40988dd74
2018-07-03runsc: Mount "mandatory" mounts right after mounting the root.Nicolas Lacasse
The /proc and /sys mounts are "mandatory" in the sense that they should be mounted in the sandbox even when they are not included in the spec. Runsc treats /tmp similarly, because it is faster to use the internal tmpfs implementation instead of proxying to the host. However, the spec may contain submounts of these mandatory mounts (particularly for /tmp). In those cases, we must mount our mandatory mounts before the submount, otherwise the submount will be masked. Since the mandatory mounts are all top-level directories, we can mount them right after the root. PiperOrigin-RevId: 203145635 Change-Id: Id69bae771d32c1a5b67e08c8131b73d9b42b2fbf
2018-07-02runsc/boot/filter: permit SYS_TIME for raceDmitry Vyukov
glibc's malloc also uses SYS_TIME. Permit it. #0 0x0000000000de6267 in time () #1 0x0000000000db19d8 in get_nprocs () #2 0x0000000000d8a31a in arena_get2.part () #3 0x0000000000d8ab4a in malloc () #4 0x0000000000d3c6b5 in __sanitizer::InternalAlloc(unsigned long, __sanitizer::SizeClassAllocatorLocalCache<__sanitizer::SizeClassAllocator32<0ul, 140737488355328ull, 0ul, __sanitizer::SizeClassMap<3ul, 4ul, 8ul, 17ul, 64ul, 14ul>, 20ul, __sanitizer::TwoLevelByteMap<32768ull, 4096ull, __sanitizer::NoOpMapUnmapCallback>, __sanitizer::NoOpMapUnmapCallback> >*, unsigned long) () #5 0x0000000000d4cd70 in __tsan_go_start () #6 0x00000000004617a3 in racecall () #7 0x00000000010f4ea0 in runtime.findfunctab () #8 0x000000000043f193 in runtime.racegostart () Signed-off-by: Dmitry Vyukov <dvyukov@google.com> [mpratt@google.com: updated comments and commit message] Signed-off-by: Michael Pratt <mpratt@google.com> Change-Id: Ibe2d0dc3035bf5052d5fb802cfaa37c5e0e7a09a PiperOrigin-RevId: 203042627
2018-07-02runsc: fix panic for `runsc wait` on stopped container.Lantao Liu
PiperOrigin-RevId: 203016694 Change-Id: Ic51ef754aa6d7d1b3b35491aff96a63d7992e122
2018-07-02Make default limits the same as with runcFabricio Voznika
Closes #2 PiperOrigin-RevId: 202997196 Change-Id: I0c9f6f5a8a1abe1ae427bca5f590bdf9f82a6675
2018-06-29Fix typo.Brielle Broder
PiperOrigin-RevId: 202720658 Change-Id: Iff42fd23f831ee7f29ddd6eb867020b76ed1eb23
2018-06-29Sets the restore environment for restoring a container.Justine Olshan
Updated how restoring occurs through boot.go with a separate Restore function. This prevents a new process and new mounts from being created. Added tests to ensure the container is restored. Registered checkpoint and restore commands so they can be used. Docker support for these commands is still limited. Working on #80. PiperOrigin-RevId: 202710950 Change-Id: I2b893ceaef6b9442b1ce3743bd112383cb92af0c
2018-06-29Added leave-running flag for checkpoint.Brielle Broder
The leave-running flag allows the container to continue running after a checkpoint has occurred by doing an immediate restore into a new container with the same container ID after the old container is destroyed. Updates #80. PiperOrigin-RevId: 202695426 Change-Id: Iac50437f5afda018dc18b24bb8ddb935983cf336
2018-06-28runsc: Add the "wait" subcommand.Kevin Krakauer
Users can now call "runsc wait <container id>" to wait on a particular process inside the container. -pid can also be used to wait on a specific PID. Manually tested the wait subcommand for a single waiter and multiple waiters (simultaneously 2 processes waiting on the container and 2 processes waiting on a PID within the container). PiperOrigin-RevId: 202548978 Change-Id: Idd507c2cdea613c3a14879b51cfb0f7ea3fb3d4c
2018-06-28Add more image testsFabricio Voznika
PiperOrigin-RevId: 202537696 Change-Id: I900fe8fd36cc7a4edb44fe2d03f8ba6768db53cb
2018-06-28Wait for sandbox process when waiting for root containerFabricio Voznika
Closes #71 PiperOrigin-RevId: 202532762 Change-Id: I80a446ff638672ff08e6fd853cd77e28dd05d540
2018-06-28Error out if spec is invalidFabricio Voznika
Closes #66 PiperOrigin-RevId: 202496258 Change-Id: Ib9287c5bf1279ffba1db21ebd9e6b59305cddf34
2018-06-28Add option to configure watchdog actionFabricio Voznika
PiperOrigin-RevId: 202494747 Change-Id: I4d4a18e71468690b785060e580a5f83c616bd90f
2018-06-27Added MkdirAll capabilities for Checkpoint's image-path.Brielle Broder
Now able to save the state file (checkpoint.img) at an image-path that had previously not existed. This is important because there can only be one checkpoint.img file per directory so this will enable users to create as many directories as needed for proper organization. PiperOrigin-RevId: 202360414 Change-Id: If5dd2b72e08ab52834a2b605571186d107b64526
2018-06-26Add KVM, overlay and host network to image testsFabricio Voznika
PiperOrigin-RevId: 202236006 Change-Id: I4ea964a70fc49e8b51c9da27d77301c4eadaae71
2018-06-26runsc: set gofer umask to 0.Lantao Liu
PiperOrigin-RevId: 202185642 Change-Id: I2eefcc0b2ffadc6ef21d177a8a4ab0cda91f3399
2018-06-25runsc: add a `multi-container` flag to enable multi-container support.Lantao Liu
PiperOrigin-RevId: 201995800 Change-Id: I770190d135e14ec7da4b3155009fe10121b2a502
2018-06-25Fix lint errorsFabricio Voznika
PiperOrigin-RevId: 201978212 Change-Id: Ie3df1fd41d5293fff66b546a0c68c3bf98126067
2018-06-22runsc: Enable waiting on individual containers within a sandbox.Kevin Krakauer
PiperOrigin-RevId: 201742160 Change-Id: Ia9fa1442287c5f9e1196fb117c41536a80f6bb31
2018-06-22Modified Checkpoint/Restore flags to improve compatibility with Docker.Brielle Broder
Added a number of unimplemented flags required for using runsc's Checkpoint and Restore with Docker. Modified the "image-path" flag to require a directory instead of a file. PiperOrigin-RevId: 201697486 Change-Id: I55883df2f1bbc3ec3c395e0ca160ce189e5e7eba
2018-06-21Forward SIGUSR2 to the sandbox tooFabricio Voznika
SIGUSR2 was being masked out to be used as a way to dump sentry stacks. This could cause compatibility problems in cases anyone uses SIGUSR2 to communicate with the container init process. PiperOrigin-RevId: 201575374 Change-Id: I312246e828f38ad059139bb45b8addc2ed055d74
2018-06-21Added functionality to create a RestoreEnvironment.Justine Olshan
Before a container can be restored, the mounts must be configured. The root and submounts and their key information is compiled into a RestoreEnvironment. Future code will be added to set this created environment before restoring a container. Tests to ensure the correct environment were added. PiperOrigin-RevId: 201544637 Change-Id: Ia894a8b0f80f31104d1c732e113b1d65a4697087
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