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2019-09-25Merge release-20190806.1-184-g129c67d (automated)gVisor bot
2019-09-25Fix runsc log collection in kokoroFabricio Voznika
PiperOrigin-RevId: 271207152
2019-09-16Merge release-20190806.1-146-g010b093 (automated)gVisor bot
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
2019-08-21Merge 573e6e4b (automated)gVisor bot
2019-08-21Use tcpip.Subnet in tcpip.RouteTamir Duberstein
This is the first step in replacing some of the redundant types with the standard library equivalents. PiperOrigin-RevId: 264706552
2019-08-13Merge 8d97b22a (automated)gVisor bot
2019-08-13tests: print stack traces if test failed by timeoutAndrei Vagin
PiperOrigin-RevId: 263184083
2019-08-02Merge 3eff0531 (automated)gVisor bot
2019-08-01Set sandbox oom_score_adjIan Lewis
Set /proc/self/oom_score_adj based on oomScoreAdj specified in the OCI bundle. When new containers are added to the sandbox oom_score_adj for the sandbox and all other gofers are adjusted so that oom_score_adj is equal to the lowest oom_score_adj of all containers in the sandbox. Fixes #512 PiperOrigin-RevId: 261242725
2019-07-31Merge 885e17f8 (automated)gVisor bot
2019-07-30Remove unused const variablesIan Lewis
PiperOrigin-RevId: 260824989
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-07-03Avoid importing platforms from many source filesAndrei Vagin
PiperOrigin-RevId: 256494243
2019-06-26Merge 67e2f227 (automated)gVisor bot
2019-06-26Always set SysProcAttr.Ctty to an FD in the child's FD table.Nicolas Lacasse
Go was going to change the behavior of SysProcAttr.Ctty such that it must be an FD in the *parent* FD table: https://go-review.googlesource.com/c/go/+/178919/ However, after some debate, it was decided that this change was too backwards-incompatible, and so it was reverted. https://github.com/golang/go/issues/29458 The behavior going forward is unchanged: the Ctty FD must be an FD in the *child* FD table. PiperOrigin-RevId: 255228476
2019-06-25Merge a8f148b8 (automated)gVisor bot
2019-06-25Use different Ctty FDs based on the go version.Nicolas Lacasse
An upcoming change in Go 1.13 [1] changes the semantics of the SysProcAttr.Ctty field. Prior to the change, the FD must be an FD in the child process's FD table (aka "post-shuffle"). After the change, the FD must be an FD in the current process's FD table (aka "pre-shuffle"). To be compatible with both versions this CL introduces a new boolean "CttyFdIsPostShuffle" which indicates whether a pre- or post-shuffle FD should be provided. We use build tags to chose the correct one. 1: https://go-review.googlesource.com/c/go/+/178919/ PiperOrigin-RevId: 255015303
2019-06-24Merge b21b1db7 (automated)gVisor bot
2019-06-24Allow to change logging options using 'runsc debug'Fabricio Voznika
New options are: runsc debug --strace=off|all|function1,function2 runsc debug --log-level=warning|info|debug runsc debug --log-packets=true|false Updates #407 PiperOrigin-RevId: 254843128
2019-06-21Merge 335fd987 (automated)gVisor bot
2019-06-21Delete dangling comment line.Nicolas Lacasse
This was from an old comment, which was superseded by the existing comment which is correct. PiperOrigin-RevId: 254434535
2019-06-20Merge b46ec370 (automated)gVisor bot
2019-06-20Drop extra characterMichael Pratt
PiperOrigin-RevId: 254237530
2019-06-18Merge 0e07c94d (automated)gVisor bot
2019-06-18Kill sandbox process when 'runsc do' exitsFabricio Voznika
PiperOrigin-RevId: 253882115
2019-06-18Merge bdb19b82 (automated)gVisor bot
2019-06-18Add Container/Sandbox args struct for creationFabricio Voznika
There were 3 string arguments that could be easily misplaced and it makes it easier to add new arguments, especially for Container that has dozens of callers. PiperOrigin-RevId: 253872074
2019-06-13Merge add40fd6 (automated)gVisor bot
2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-06-12Merge 356d1be1 (automated)gVisor bot
2019-06-12Allow 'runsc do' to run without rootFabricio Voznika
'--rootless' flag lets a non-root user execute 'runsc do'. The drawback is that the sandbox and gofer processes will run as root inside a user namespace that is mapped to the caller's user, intead of nobody. And network is defaulted to '--network=host' inside the root network namespace. On the bright side, it's very convenient for testing: runsc --rootless do ls runsc --rootless do curl www.google.com PiperOrigin-RevId: 252840970
2019-06-11Merge 847c4b97 (automated)gVisor bot
2019-06-11Use net.HardwareAddr for FDBasedLink.LinkAddressFabricio Voznika
It prints formatted to the log. PiperOrigin-RevId: 252699551
2019-06-10Merge a00157cc (automated)gVisor bot
2019-06-06Add multi-fd support to fdbased endpoint.Bhasker Hariharan
This allows an fdbased endpoint to have multiple underlying fd's from which packets can be read and dispatched/written to. This should allow for higher throughput as well as better scalability of the network stack as number of connections increases. Updates #231 PiperOrigin-RevId: 251852825
2019-06-04Merge f520d0d5 (automated)gVisor bot
2019-06-03Remove 'clearStatus' option from container.Wait*PID()Fabricio Voznika
clearStatus was added to allow detached execution to wait on the exec'd process and retrieve its exit status. However, it's not currently used. Both docker and gvisor-containerd-shim wait on the "shim" process and retrieve the exit status from there. We could change gvisor-containerd-shim to use waits, but it will end up also consuming a process for the wait, which is similar to having the shim process. Closes #234 PiperOrigin-RevId: 251349490
2019-06-02Merge 216da0b7 (automated)gVisor bot
2019-05-30Add support for collecting execution trace to runsc.Bhasker Hariharan
Updates #220 PiperOrigin-RevId: 250532302
2019-05-15gvisor/runsc: use a veth link address instead of generating a new oneAndrei Vagin
PiperOrigin-RevId: 248367340 Change-Id: Id792afcfff9c9d2cfd62cae21048316267b4a924
2019-05-02runsc: don't create an empty network namespace if NetworkHost is setAndrei Vagin
With this change, we will be able to run runsc do in a host network namespace. PiperOrigin-RevId: 246436660 Change-Id: I8ea18b1053c88fe2feed74239b915fe7a151ce34
2019-05-02Add [simple] network support to 'runsc do'Fabricio Voznika
Sandbox always runsc with IP 192.168.10.2 and the peer network adds 1 to the address (192.168.10.3). Sandbox IP can be changed using --ip flag. Here a few examples: sudo runsc do curl www.google.com sudo runsc do --ip=10.10.10.2 bash -c "echo 123 | netcat -l -p 8080" PiperOrigin-RevId: 246421277 Change-Id: I7b3dce4af46a57300350dab41cb27e04e4b6e9da
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-26Bump the AF_PACKET socket rcv buf size to 4MB by default.Bhasker Hariharan
Packet socket receive buffers default to the sysctl value of net.core.rmem_default and are capped by net.core.rmem_max both which are usually set to 208KB on most systems. Since we can't expect every gVisor user to bump these we use SO_RCVBUFFORCE to exceed the limit. This is possible as runsc runs with CAP_NET_ADMIN outside the sandbox and can do this before the FD is passed to the sentry inside the sandbox. Updates #211 iperf output w/ 4MB buffer. iperf3 -c 172.17.0.2 -t 100 Connecting to host 172.17.0.2, port 5201 [ 4] local 172.17.0.1 port 40378 connected to 172.17.0.2 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 1.15 GBytes 9.89 Gbits/sec 0 1.02 MBytes [ 4] 1.00-2.00 sec 1.18 GBytes 10.2 Gbits/sec 0 1.02 MBytes [ 4] 2.00-3.00 sec 965 MBytes 8.09 Gbits/sec 0 1.02 MBytes [ 4] 3.00-4.00 sec 942 MBytes 7.90 Gbits/sec 0 1.02 MBytes [ 4] 4.00-5.00 sec 952 MBytes 7.99 Gbits/sec 0 1.02 MBytes [ 4] 5.00-6.00 sec 1.14 GBytes 9.81 Gbits/sec 0 1.02 MBytes [ 4] 6.00-7.00 sec 1.13 GBytes 9.68 Gbits/sec 0 1.02 MBytes [ 4] 7.00-8.00 sec 930 MBytes 7.80 Gbits/sec 0 1.02 MBytes [ 4] 8.00-9.00 sec 1.15 GBytes 9.91 Gbits/sec 0 1.02 MBytes [ 4] 9.00-10.00 sec 938 MBytes 7.87 Gbits/sec 0 1.02 MBytes [ 4] 10.00-11.00 sec 737 MBytes 6.18 Gbits/sec 0 1.02 MBytes [ 4] 11.00-12.00 sec 1.16 GBytes 9.93 Gbits/sec 0 1.02 MBytes [ 4] 12.00-13.00 sec 917 MBytes 7.69 Gbits/sec 0 1.02 MBytes [ 4] 13.00-14.00 sec 1.19 GBytes 10.2 Gbits/sec 0 1.02 MBytes [ 4] 14.00-15.00 sec 1.01 GBytes 8.70 Gbits/sec 0 1.02 MBytes [ 4] 15.00-16.00 sec 1.20 GBytes 10.3 Gbits/sec 0 1.02 MBytes [ 4] 16.00-17.00 sec 1.14 GBytes 9.80 Gbits/sec 0 1.02 MBytes ^C[ 4] 17.00-17.60 sec 718 MBytes 10.1 Gbits/sec 0 1.02 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-17.60 sec 18.4 GBytes 8.98 Gbits/sec 0 sender [ 4] 0.00-17.60 sec 0.00 Bytes 0.00 bits/sec receiver PiperOrigin-RevId: 245470590 Change-Id: I1c08c5ee8345de6ac070513656a4703312dc3c00
2019-04-23Replace os.File with fd.FD in fsgoferFabricio Voznika
os.NewFile() accounts for 38% of CPU time in localFile.Walk(). This change switchs to use fd.FD which is much cheaper to create. Now, fd.New() in localFile.Walk() accounts for only 4%. PiperOrigin-RevId: 244944983 Change-Id: Ic892df96cf2633e78ad379227a213cb93ee0ca46
2019-04-11Add 'runsc do' commandFabricio Voznika
It provides an easy way to run commands to quickly test gVisor. By default it maps the host root as the container root with a writable overlay on top (so the host root is not modified). Example: sudo runsc do ls -lh --color sudo runsc do ~/src/test/my-test.sh PiperOrigin-RevId: 243178711 Change-Id: I05f3d6ce253fe4b5f1362f4a07b5387f6ddb5dd9
2019-03-29gvisor/runsc: enable generic segmentation offload (GSO)Andrei Vagin
The linux packet socket can handle GSO packets, so we can segment packets to 64K instead of the MTU which is usually 1500. Here are numbers for the nginx-1m test: runsc: 579330.01 [Kbytes/sec] received runsc-gso: 1794121.66 [Kbytes/sec] received runc: 2122139.06 [Kbytes/sec] received and for tcp_benchmark: $ tcp_benchmark --duration 15 --ideal [ 4] 0.0-15.0 sec 86647 MBytes 48456 Mbits/sec $ tcp_benchmark --client --duration 15 --ideal [ 4] 0.0-15.0 sec 2173 MBytes 1214 Mbits/sec $ tcp_benchmark --client --duration 15 --ideal --gso 65536 [ 4] 0.0-15.0 sec 19357 MBytes 10825 Mbits/sec PiperOrigin-RevId: 241072403 Change-Id: I20b03063a1a6649362b43609cbbc9b59be06e6d5
2019-03-18Add support for mount propagationFabricio Voznika
Properly handle propagation options for root and mounts. Now usage of mount options shared, rshared, and noexec cause error to start. shared/ rshared breaks sandbox=>host isolation. slave however can be supported because changes propagate from host to sandbox. Root FS setup moved inside the gofer. Apart from simplifying the code, it keeps all mounts inside the namespace. And they are torn down when the namespace is destroyed (DestroyFS is no longer needed). PiperOrigin-RevId: 239037661 Change-Id: I8b5ee4d50da33c042ea34fa68e56514ebe20e6e0
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