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2019-10-23fix typokevin.xu
fix a typo
2019-10-23remove duplicated periodkevin.xu
remove a duplicated period
2019-10-22Merge pull request #1046 from tomlanyon:criogVisor bot
PiperOrigin-RevId: 276172466
2019-10-22netstack/tcp: software segmentation offloadAndrei Vagin
Right now, we send each tcp packet separately, we call one system call per-packet. This patch allows to generate multiple tcp packets and send them by sendmmsg. The arguable part of this CL is a way how to handle multiple headers. This CL adds the next field to the Prepandable buffer. Nginx test results: Server Software: nginx/1.15.9 Server Hostname: 10.138.0.2 Server Port: 8080 Document Path: /10m.txt Document Length: 10485760 bytes w/o gso: Concurrency Level: 5 Time taken for tests: 5.491 seconds Complete requests: 100 Failed requests: 0 Total transferred: 1048600200 bytes HTML transferred: 1048576000 bytes Requests per second: 18.21 [#/sec] (mean) Time per request: 274.525 [ms] (mean) Time per request: 54.905 [ms] (mean, across all concurrent requests) Transfer rate: 186508.03 [Kbytes/sec] received sw-gso: Concurrency Level: 5 Time taken for tests: 3.852 seconds Complete requests: 100 Failed requests: 0 Total transferred: 1048600200 bytes HTML transferred: 1048576000 bytes Requests per second: 25.96 [#/sec] (mean) Time per request: 192.576 [ms] (mean) Time per request: 38.515 [ms] (mean, across all concurrent requests) Transfer rate: 265874.92 [Kbytes/sec] received w/o gso: $ ./tcp_benchmark --client --duration 15 --ideal [SUM] 0.0-15.1 sec 2.20 GBytes 1.25 Gbits/sec software gso: $ tcp_benchmark --client --duration 15 --ideal --gso $((1<<16)) --swgso [SUM] 0.0-15.1 sec 3.99 GBytes 2.26 Gbits/sec PiperOrigin-RevId: 276112677
2019-10-21AF_PACKET support for netstack (aka epsocket).Kevin Krakauer
Like (AF_INET, SOCK_RAW) sockets, AF_PACKET sockets require CAP_NET_RAW. With runsc, you'll need to pass `--net-raw=true` to enable them. Binding isn't supported yet. PiperOrigin-RevId: 275909366
2019-10-20Add runsc OCI annotations to support CRI-O.Tom Lanyon
Obligatory https://xkcd.com/927 Fixes #626
2019-10-18Cleanup host UDS supportMichael Pratt
This change fixes several issues with the fsgofer host UDS support. Notably, it adds support for SOCK_SEQPACKET and SOCK_DGRAM sockets [1]. It also fixes unsafe use of unet.Socket, which could cause a panic if Socket.FD is called when err != nil, and calls to Socket.FD with nothing to prevent the garbage collector from destroying and closing the socket. A set of tests is added to exercise host UDS access. This required extracting most of the syscall test runner into a library that can be used by custom tests. Updates #235 Updates #1003 [1] N.B. SOCK_DGRAM sockets are likely not particularly useful, as a server can only reply to a client that binds first. We don't allow bind, so these are unlikely to be used. PiperOrigin-RevId: 275558502
2019-10-16Fix problem with open FD when copy up is triggered in overlayfsFabricio Voznika
Linux kernel before 4.19 doesn't implement a feature that updates open FD after a file is open for write (and is copied to the upper layer). Already open FD will continue to read the old file content until they are reopened. This is especially problematic for gVisor because it caches open files. Flag was added to force readonly files to be reopenned when the same file is open for write. This is only needed if using kernels prior to 4.19. Closes #1006 It's difficult to really test this because we never run on tests on older kernels. I'm adding a test in GKE which uses kernels with the overlayfs problem for 1.14 and lower. PiperOrigin-RevId: 275115289
2019-10-15Make Attach no longer a special snowflakeMichael Pratt
fsgofer.attachPoint.Attach has a bunch of funky special logic to create a RW file or connect a socket rather than creating a standard control file like localFile.Walk. This is unecessary and error-prone, as the attach point still has to go through Open or Connect which will properly convert the control file to something usable. As such, switch the logic to be equivalent to a simple Walk. Updates #235 PiperOrigin-RevId: 274827872
2019-10-14Merge pull request #997 from dvrkps:patch-1gVisor bot
PiperOrigin-RevId: 274675428
2019-10-11Set base to rootDavor Kapsa
2019-10-10Update TODO for OCI seccomp support.Ian Lewis
PiperOrigin-RevId: 274042343
2019-10-10Remove unnecessary assignment to pathDavor Kapsa
2019-10-10Allow rt_sigreturn in runsc goferMichael Pratt
rt_sigreturn is required for signal handling (e.g., SIGSEGV for nil-pointer dereference). Before this, nil-pointer dereferences cause a syscall violation instead of a panic. PiperOrigin-RevId: 274028767
2019-10-08Remove stale TODOFabricio Voznika
PiperOrigin-RevId: 273630282
2019-10-08Ignore mount options that are not supported in shared mountsFabricio Voznika
Options that do not change mount behavior inside the Sentry are irrelevant and should not be used when looking for possible incompatibilities between master and slave mounts. PiperOrigin-RevId: 273593486
2019-10-07Implement IP_TTL.Ian Gudger
Also change the default TTL to 64 to match Linux. PiperOrigin-RevId: 273430341
2019-10-07Add tests for $HOMEIan Lewis
Adds two tests. One to make sure that $HOME is set when starting a container via 'docker run' and one to make sure that $HOME is set for each container in a multi-container sandbox. Issue #701 PiperOrigin-RevId: 273395763
2019-10-07Rename epsocket to netstack.Kevin Krakauer
PiperOrigin-RevId: 273365058
2019-10-01runsc: remove todo from the build fileAndrei Vagin
b/135475885 was fixed by cl/271434565. PiperOrigin-RevId: 272320178
2019-10-01Merge pull request #917 from KentaTada:fix-clone-flagsgVisor bot
PiperOrigin-RevId: 272262368
2019-10-01Prevent CAP_NET_RAW from appearing in execFabricio Voznika
'docker exec' was getting CAP_NET_RAW even when --net-raw=false because it was not filtered out from when copying container's capabilities. PiperOrigin-RevId: 272260451
2019-09-27bazel: use rules_pkg from https://github.com/bazelbuild/Andrei Vagin
BUILD:85:1: in _pkg_deb rule //runsc:runsc-debian: target '//runsc:runsc-debian' depends on deprecated target '@bazel_tools//tools/build_defs/pkg:make_deb': The internal version of make_deb is deprecated. Please use the replacement for pkg_deb from https://github.com/bazelbuild/rules_pkg/blob/master/pkg. PiperOrigin-RevId: 271590386
2019-09-26Disallow opening of sockets if --fsgofer-host-uds=falseFabricio Voznika
Updates #235 PiperOrigin-RevId: 271475319
2019-09-26runsc: add the clone flag of cgroup namespaceKenta Tada
Signed-off-by: Kenta Tada <Kenta.Tada@sony.com>
2019-09-25Merge pull request #765 from trailofbits:uds_supportgVisor bot
PiperOrigin-RevId: 271235134
2019-09-25Fix runsc log collection in kokoroFabricio Voznika
PiperOrigin-RevId: 271207152
2019-09-25Remove centralized registration of protocols.Kevin Krakauer
Also removes the need for protocol names. PiperOrigin-RevId: 271186030
2019-09-24Remove unecessary seccomp permission.Robert Tonic
This removes the F_DUPFD_CLOEXEC support for the gofer, previously required when depending on the STL net package.
2019-09-24Refactor command line options and remove the allowed terminology for udsRobert Tonic
2019-09-24Merge pull request #812 from lubinszARM:pr_dup3_armgVisor bot
PiperOrigin-RevId: 270957224
2019-09-23Always set HOME env var with `runsc exec`.Nicolas Lacasse
We already do this for `runsc run`, but need to do the same for `runsc exec`. PiperOrigin-RevId: 270793459
2019-09-19Update InstallUDSFilters documentation to be accurate to functionality.Robert Tonic
2019-09-19Fix documentation, clean up seccomp filter installation, rename helpers.Robert Tonic
Filter installation has been streamlined and functions renamed. Documentation has been fixed to be standards compliant, and missing documentation added. gofmt has also been applied to modified files.
2019-09-19Place the host UDS mounting behind --fsgofer-host-uds-allowed.Robert Tonic
This commit allows the use of the `--fsgofer-host-uds-allowed` flag to enable mounting sockets and add the appropriate seccomp filters.
2019-09-18Shard the runtime tests.Nicolas Lacasse
Default of 20 shards was arbitrary and will need fine-tuning in later CLs. PiperOrigin-RevId: 269922871
2019-09-16Bring back to life features lost in recent refactorFabricio Voznika
- Sandbox logs are generated when running tests - Kokoro uploads the sandbox logs - Supports multiple parallel runs - Revive script to install locally built runsc with docker PiperOrigin-RevId: 269337274
2019-09-12Update p9 to support flipcall.Adin Scannell
PiperOrigin-RevId: 268845090
2019-09-12Merge pull request #843 from nlacasse:versiongVisor bot
PiperOrigin-RevId: 268772451
2019-09-10Fix `runsc --version` and add a test.Nicolas Lacasse
We need to include the `--stamp` flag in `tools/workspace_status.sh` for the version to be picked up by the linker. Not sure why. Also changes the VERSION string to STABLE_VERSION, which will cause the program to be re-linked if the string changes. Fixes #830
2019-09-06Remove reundant global tcpip.LinkEndpointID.Ian Gudger
PiperOrigin-RevId: 267709597
2019-09-05Ignore the root container when calculating oom_score_adj for the sandbox.Ian Lewis
This is done because the root container for CRI is the infrastructure (pause) container and always gets a low oom_score_adj. We do this to ensure that only the oom_score_adj of user containers is used to calculated the sandbox oom_score_adj. Implemented in runsc rather than the containerd shim as it's a bit cleaner to implement here (in the shim it would require overwriting the oomScoreAdj and re-writing out the config.json again). This processing is Kubernetes(CRI) specific but we are currently only supporting CRI for multi-container support anyway. PiperOrigin-RevId: 267507706
2019-09-05Apply go fmt to the fsgofer changes.Robert Tonic
2019-09-05Remove seccomp permissions, and clean up the Attach logic.Robert Tonic
2019-09-05Change syscall.Dup2 to syscall.Dup3Bin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2019-09-04Resolve flakes with TestMultiContainerDestroyFabricio Voznika
Some processes are reparented to the root container depending on the kill order and the root container would not reap in time. So some zombie processes were still present when the test checked. Fix it by running the second container inside a PID namespace. PiperOrigin-RevId: 267278591
2019-09-03Impose order on test scripts.Adin Scannell
The simple test script has gotten out of control. Shard this script into different pieces and attempt to impose order on overall test structure. This change helps lay some of the foundations for future improvements. * The runsc/test directories are moved into just test/. * The runsc/test/testutil package is split into logical pieces. * The scripts/ directory contains new top-level targets. * Each test is now responsible for building targets it requires. * The install functionality is moved into `runsc` itself for simplicity. * The existing kokoro run_tests.sh file now just calls all (can be split). After this change is merged, I will create multiple distinct workflows for Kokoro, one for each of the scripts currently targeted by `run_tests.sh` today, which should dramatically reduce the time-to-run for the Kokoro tests, and provides a better foundation for further improvements to the infrastructure. PiperOrigin-RevId: 267081397
2019-08-29Merge pull request #655 from praveensastry:feature/runsc-ref-chk-leakgVisor bot
PiperOrigin-RevId: 266226714
2019-08-29Don't log an error when stopping the container if it is not running.Nicolas Lacasse
This removes a lot of confusing messages from the test logs. PiperOrigin-RevId: 266164001
2019-08-27Mount volumes as super userFabricio Voznika
This used to be the case, but regressed after a recent change. Also made a few fixes around it and clean up the code a bit. Closes #720 PiperOrigin-RevId: 265717496
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