Commit Graph

18 Commits

Author SHA1 Message Date
Adin Scannell 3e8b38d08b Add flag package to limit visibility.
PiperOrigin-RevId: 294297004
2020-02-10 13:57:01 -08:00
Fabricio Voznika bdb19b82ef Add Container/Sandbox args struct for creation
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
2019-06-18 14:46:49 -07:00
Adin Scannell add40fd6ad Update canonical repository.
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
2019-06-13 16:50:15 -07:00
Michael Pratt 4d52a55201 Change copyright notice to "The gVisor Authors"
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
2019-04-29 14:26:23 -07:00
Nicolas Lacasse f4ce43e1f4 Allow and document bug ids in gVisor codebase.
PiperOrigin-RevId: 245818639
Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-29 14:04:14 -07:00
Fabricio Voznika c1be25b78d Scrub runsc error messages
Removed "error" and "failed to" prefix that don't add value
from messages. Adjusted a few other messages.  In particular,
when the container fail to start, the message returned is easier
for humans to read:

$ docker run --rm --runtime=runsc alpine foobar
docker: Error response from daemon: OCI runtime start failed: <path> did not terminate sucessfully: starting container: starting root container [foobar]: starting sandbox: searching for executable "foobar", cwd: "/", $PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin": no such file or directory

Closes #77

PiperOrigin-RevId: 230022798
Change-Id: I83339017c70dae09e4f9f8e0ea2e554c4d5d5cd1
2019-01-18 17:36:02 -08:00
Googler 4d0da37cbb Internal change.
PiperOrigin-RevId: 223231273
Change-Id: I8fb97ea91f7507b4918f7ce6562890611513fc30
2018-11-28 14:01:48 -08:00
Ian Gudger 8fce67af24 Use correct company name in copyright header
PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-19 16:35:11 -07:00
Fabricio Voznika f413e4b117 Add bare bones unsupported syscall logging
This change introduces a new flags to create/run called
--user-log. Logs to this files are visible to users and
are meant to help debugging problems with their images
and containers.

For now only unsupported syscalls are sent to this log,
and only minimum support was added. We can build more
infrastructure around it as needed.

PiperOrigin-RevId: 216735977
Change-Id: I54427ca194604991c407d49943ab3680470de2d0
2018-10-11 11:56:54 -07:00
Fabricio Voznika 7967d8ecd5 Handle children processes better in tests
Reap children more systematically in container tests. Previously,
container_test was taking ~5 mins to run because constainer.Destroy()
would timeout waiting for the sandbox process to exit. Now the test
running in less than a minute.

Also made the contract around Container and Sandbox destroy clearer.

PiperOrigin-RevId: 213527471
Change-Id: Icca84ee1212bbdcb62bdfc9cc7b71b12c6d1688d
2018-09-18 15:21:28 -07:00
Lantao Liu bde2a91433 runsc: Support container signal/wait.
This CL:
1) Fix `runsc wait`, it now also works after the container exits;
2) Generate correct container state in Load;
2) Make sure `Destory` cleanup everything before successfully return.

PiperOrigin-RevId: 212900107
Change-Id: Ie129cbb9d74f8151a18364f1fc0b2603eac4109a
2018-09-13 16:38:03 -07:00
Justine Olshan c05660373e Moved restore code out of create and made to be called after create.
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
2018-07-18 16:58:30 -07:00
Justine Olshan 80bdf8a406 Sets the restore environment for restoring a container.
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
2018-06-29 14:47:40 -07:00
Brielle Broder 25e315c2e1 Added leave-running flag for checkpoint.
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
2018-06-29 13:09:33 -07:00
Brielle Broder f93043615f Added MkdirAll capabilities for Checkpoint's image-path.
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
2018-06-27 13:32:53 -07:00
Brielle Broder e1aee51d09 Modified Checkpoint/Restore flags to improve compatibility with Docker.
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
2018-06-22 09:41:26 -07:00
Brielle Broder 711a9869e5 Runsc checkpoint works.
This is the first iteration of checkpoint that actually saves to a file.
Tests for checkpoint are included.

Ran into an issue when private unix sockets are enabled. An error message
was added for this case and the mutex state was set.

PiperOrigin-RevId: 200269470
Change-Id: I28d29a9f92c44bf73dc4a4b12ae0509ee4070e93
2018-06-12 13:25:23 -07:00
Googler 0c34b460f2 Add runsc checkpoint command.
Checkpoint command is plumbed through container and sandbox.
Restore has also been added but it is only a stub. None of this
works yet. More changes to come.

PiperOrigin-RevId: 199510105
Change-Id: Ibd08d57f4737847eb25ca20b114518e487320185
2018-06-06 12:31:53 -07:00