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2021-09-16Merge release-20210906.0-34-g282a4dd52 (automated)gVisor bot
2021-09-16runsc: add global profile collection flagsMichael Pratt
Add global flags -profile-{block,cpu,heap,mutex} and -trace which enable collection of the specified profile for the entire duration of a container execution. This provides a way to definitively start profiling before that application starts, rather than attempting to race with an out-of-band `runsc debug`. Note that only the main boot process is profiled. This exposed a bug in Task.traceExecEvent: a crash when tracing and -race are enabled. traceExecEvent is called off of the task goroutine, but uses the Task as a context, which is a violation of the Task contract. Switching to the AsyncContext fixes the issue. Fixes #220
2021-08-18Merge release-20210806.0-42-g75b5a4f45 (automated)gVisor bot
2021-08-18Add control configsChong Cai
Also plumber the controls through runsc PiperOrigin-RevId: 391594318
2021-08-13Merge release-20210806.0-27-g6eb8596f7 (automated)gVisor bot
2021-08-13Add Event controlsChong Cai
Add Event controls and implement "stream" commands. PiperOrigin-RevId: 390691702
2021-08-13Merge release-20210806.0-22-gddcf884e9 (automated)gVisor bot
2021-08-12Add Usage controlsChong Cai
Add Usage controls and implement "usage/usagefd" commands. PiperOrigin-RevId: 390507423
2021-08-04Merge release-20210726.0-32-gcbb99336c (automated)gVisor bot
2021-08-04Add Fs controlsChong Cai
Add Fs controls and implement "cat" command. PiperOrigin-RevId: 388812540
2021-08-03Merge release-20210726.0-30-g8caf231cb (automated)gVisor bot
2021-08-03Add Lifecycle controlsChong Cai
Also change runsc pause/resume cmd to access Lifecycle instead of containerManager. PiperOrigin-RevId: 388534928
2021-07-14Merge release-20210705.0-21-g85a0a353a (automated)gVisor bot
2021-07-13Replace whitelist with allowlistFabricio Voznika
PiperOrigin-RevId: 384586164
2021-07-13Merge release-20210705.0-14-g275932bf0 (automated)gVisor bot
2021-07-12Fix stdios ownershipFabricio Voznika
Set stdio ownership based on the container's user to ensure the user can open/read/write to/from stdios. 1. stdios in the host are changed to have the owner be the same uid/gid of the process running the sandbox. This ensures that the sandbox has full control over it. 2. stdios owner owner inside the sandbox is changed to match the container's user to give access inside the container and make it behave the same as runc. Fixes #6180 PiperOrigin-RevId: 384347009
2021-07-08Merge release-20210628.0-31-g052eb90dc (automated)gVisor bot
2021-07-08Replace kernel.ExitStatus with linux.WaitStatus.Jamie Liu
PiperOrigin-RevId: 383705129
2021-06-10Merge release-20210601.0-43-gd81fcbf85 (automated)gVisor bot
2021-06-10Set RLimits during `runsc exec`Fabricio Voznika
PiperOrigin-RevId: 378726430
2021-02-24Merge release-20210208.0-88-g8f6274404 (automated)gVisor bot
2021-02-24return root pids with runsc psDaniel Dao
`runsc ps` currently return pid for a task's immediate pid namespace, which is confusing when there're multiple pid namespaces. We should return only pids in the root namespace. Before: ``` 1000 1 0 0 ? 02:24 250ms chrome 1000 1 0 0 ? 02:24 40ms dumb-init 1000 1 0 0 ? 02:24 240ms chrome 1000 2 1 0 ? 02:24 2.78s node ``` After: ``` UID PID PPID C TTY STIME TIME CMD 1000 1 0 0 ? 12:35 0s dumb-init 1000 2 1 7 ? 12:35 240ms node 1000 13 2 21 ? 12:35 2.33s chrome 1000 27 13 3 ? 12:35 260ms chrome ``` Signed-off-by: Daniel Dao <dqminh@cloudflare.com>
2021-02-19Merge release-20210208.0-76-g5e22ab93e (automated)gVisor bot
2021-02-19control.Proc.Exec should default to root pid namespace if none provided.Nicolas Lacasse
PiperOrigin-RevId: 358445320
2021-02-02Merge release-20210125.0-62-g5f7bf3152 (automated)gVisor bot
2021-02-02Stub out basic `runsc events --stat` CPU functionalityKevin Krakauer
Because we lack gVisor-internal cgroups, we take the CPU usage of the entire pod and divide it proportionally according to sentry-internal usage stats. This fixes `kubectl top pods`, which gets a pod's CPU usage by summing the usage of its containers. Addresses #172. PiperOrigin-RevId: 355229833
2021-01-05Merge release-20201208.0-109-gb06e5bc5b (automated)gVisor bot
2021-01-05Add benchmarks targets to BuildKite.Adin Scannell
This includes minor fix-ups: * Handle SIGTERM in runsc debug, to exit gracefully. * Fix cmd.debug.go opening all profiles as RDONLY. * Fix the test name in fio_test.go, and encode the block size in the test. PiperOrigin-RevId: 350205718
2020-12-30Merge release-20201208.0-91-g85c1c3ed4 (automated)gVisor bot
2020-12-29Make profiling commands synchronous.Adin Scannell
This allows for a model of profiling when you can start collection, and it will terminate when the sandbox terminates. Without this synchronous call, it is effectively impossible to collect length blocking and mutex profiles. PiperOrigin-RevId: 349483418
2020-12-14Merge release-20201208.0-42-g65e4ed8fb (automated)gVisor bot
2020-12-14Do not check for reference leaks after saving.Dean Deng
We should not assert that all resources are dropped after saving. PiperOrigin-RevId: 347420131
2020-12-11Merge release-20201208.0-31-g4cba3904f (automated)gVisor bot
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
2020-10-24Merge release-20201019.0-51-g9f87400f0 (automated)gVisor bot
2020-10-23Support VFS2 save/restore.Jamie Liu
Inode number consistency checks are now skipped in save/restore tests for reasons described in greatest detail in StatTest.StateDoesntChangeAfterRename. They pass in VFS1 due to the bug described in new test case SimpleStatTest.DifferentFilesHaveDifferentDeviceInodeNumberPairs. Fixes #1663 PiperOrigin-RevId: 338776148
2020-10-13Merge release-20200928.0-102-g432963dd2 (automated)gVisor bot
2020-10-13[vfs2] Don't take reference in Task.MountNamespaceVFS2 and MountNamespace.Root.Dean Deng
This fixes reference leaks related to accidentally forgetting to DecRef() after calling one or the other. PiperOrigin-RevId: 336918922
2020-09-04Merge release-20200818.0-124-g2202812e0 (automated)gVisor bot
2020-09-04Simplify FD handling for container start/execFabricio Voznika
VFS1 and VFS2 host FDs have different dupping behavior, making error prone to code for both. Change the contract so that FDs are released as they are used, so the caller can simple defer a block that closes all remaining files. This also addresses handling of partial failures. With this fix, more VFS2 tests can be enabled. Updates #1487 PiperOrigin-RevId: 330112266
2020-08-05Merge release-20200804.0-19-g190b1e6bd (automated)gVisor bot
2020-08-05Stop profiling when the sentry exitsFabricio Voznika
Also removes `--profile-goroutine` because it's equivalent to `debug --stacks`. PiperOrigin-RevId: 325061502
2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-06-17Merge release-20200608.0-75-ga5f4deeca (automated)gVisor bot
2020-06-17Internal change.gVisor bot
PiperOrigin-RevId: 316973783
2020-06-09Merge release-20200522.0-99-g4e96b9491 (automated)gVisor bot
2020-06-08Combine executable lookup codeFabricio Voznika
Run vs. exec, VFS1 vs. VFS2 were executable lookup were slightly different from each other. Combine them all into the same logic. PiperOrigin-RevId: 315426443
2020-05-29Merge release-20200522.0-43-g93edb36c (automated)gVisor bot
2020-05-29Refactor the ResolveExecutablePath logic.Nicolas Lacasse
PiperOrigin-RevId: 313871804
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