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PiperOrigin-RevId: 201995800
Change-Id: I770190d135e14ec7da4b3155009fe10121b2a502
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It prints sandbox stacks to the log to help debug stuckness. I expect
that many more options will be added in the future.
PiperOrigin-RevId: 201405931
Change-Id: I87e560800cd5a5a7b210dc25a5661363c8c3a16e
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Resume checks the status of the container and unpauses the kernel
if its status is paused. Otherwise nothing happens.
Tests were added to ensure that the process is in the correct state
after various commands.
PiperOrigin-RevId: 201251234
Change-Id: Ifd11b336c33b654fea6238738f864fcf2bf81e19
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This is a necessary prerequisite for supporting multiple containers in a single
sandbox.
All the commands (in cmd package) now call operations on Containers (container
package). When a Container first starts, it will create a Sandbox with the same
ID.
The Sandbox class is now simpler, as it only knows how to create boot/gofer
processes, and how to forward commands into the running boot process.
There are TODOs sprinkled around for additional support for multiple
containers. Most notably, we need to detect when a container is intended to run
in an existing sandbox (by reading the metadata), and then have some way to
signal to the sandbox to start a new container. Other urpc calls into the
sandbox need to pass the container ID, so the sandbox can run the operation on
the given container. These are only half-plummed through right now.
PiperOrigin-RevId: 196688269
Change-Id: I1ecf4abbb9dd8987a53ae509df19341aaf42b5b0
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Change-Id: I9737cc680968033ba82c95bb04cc482fcaa12642
PiperOrigin-RevId: 196192683
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Two changes in this CL:
First, make the "boot" process sleep when it encounters an error to give the
controller time to send the error back to the "start" process. Otherwise the
"boot" process exits immediately and the control connection errors with EOF.
Secondly, open the log file with O_APPEND, not O_TRUNC. Docker uses the same
log file for all runtime commands, and setting O_TRUNC causes them to get
destroyed. Furthermore, containerd parses these log files in the event of an
error, and it does not like the file being truncated out from underneath it.
Now, when trying to run a binary that does not exist in the image, the error
message is more reasonable:
$ docker run alpine /not/found
docker: Error response from daemon: OCI runtime start failed: /usr/local/google/docker/runtimes/runscd did not terminate sucessfully: error starting sandbox: error starting application [/not/found]: failed to create init process: no such file or directory
Fixes #32
PiperOrigin-RevId: 196027084
Change-Id: Iabc24c0bdd8fc327237acc051a1655515f445e68
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PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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