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44 Commits

Author SHA1 Message Date
Liu Jiang 95e8049398 shim: distinguish between runtime id and container id 
There's a misuse of runtime id and container id in Shim::new(). Both
runtime id and container id are needed by shim implentions, so add
parameter `container id` to Shim::new().

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-14 13:44:45 +08:00
bin liu c12ac9ee68 shim: update README.md to run shim examples 
The content of README.md is out of date, update it
with the correct steps to run the examples.

Signed-off-by: bin liu <bin@hyper.sh>
 2021-12-14 11:37:00 +08:00
bin liu e5e0ebbe36 shim: pass the correct ID of containers to shim 
The ID passed from shim::run::<Service> is the shim name,
the container ID can get from command-line flags.

Signed-off-by: bin liu <bin@hyper.sh>
 2021-12-13 18:14:51 +08:00
Liu Jiang 72aebb1b39 shim: trivial documentation enhancements 
Trivial documentation enhancements:
1) comments for unsafe code
2) list supported platforms

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:13:05 +08:00
Liu Jiang a2bfeed2ca shim: introduce Shim::wait() 
Introduce Shim::wait() to wait for a shim instance to exit, so the
`Shim` implementor could customize the way to manage exit event.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:20 +08:00
Liu Jiang fdd50661f3 shim: add interface Shim::get_task_service() 
Currently Containerd shimv2 runtime only provides task service, but it
may provide more service in future. So add interface
Shim::get_task_service() to get the task service object instead of
"Shim: Task".

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:19 +08:00
Liu Jiang 7a8fa4413e shim: implement ExitSignal with Condvar 
Implement ExitSignal with Condvar instead of busy looping.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:15 +08:00
Liu Jiang 04af4df73a shim: pass environment variables to spawned process 
Enhanace spawn() to pass envrionment variables to child process.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:15 +08:00
Liu Jiang 1b106ee38d shim: add unit test for start_listener() 
Add unit test for start_listener().

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:14 +08:00
Liu Jiang 0c83d7c04c shim: be more careful when removing stale socket files 
The function start_listener() tries to remove stale socket files when
syscall::bind() retune EADDRINUSE, let's be more careful to only remove
existing sockets instead of other types of files.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:13 +08:00
Liu Jiang 63f62b9c9c shim: avoid raw fd leak in spawn() 
The RawFd for the listener socket will get leaked in error handling
path in start_listener(). Use UnixListener to replace RawFd for clear
ownership and also simplify the code a bit.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:12 +08:00
Liu Jiang 64d57879ce shim: add unit tests for remote publisher 
Add unit tests for remote publisher.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:11 +08:00
Liu Jiang 01e45800dc shim: release fd when error happens in RemotePublisher::connect() 
A RawFd won't be automatically released when going out of scope,
so we need to close the just created RawFd when error happens
in RemotePublisher::connect().

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:11 +08:00
Liu Jiang 0eff017c40 shim: add unit test case for logger 
Add unit test case for logger.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:10 +08:00
Liu Jiang 5197e72f4a shim: do not panic if failed to log to FIFO 
According to Linux FIFO doc, writing to a FIFO without reader may
return errors:
If all file descriptors referring to the read end of a pipe have been
closed, then a write(2) will cause a SIGPIPE signal to be generated
for the calling process. If the calling process is ignoring this
signal, then write(2) fails with the error EPIPE.

When restarting logger servers, there are small race windows that
FifoLogger::log/flush() may encounter IO error and panic. It's not
a good situation to panic due to errors in logging subsystem.

So just ignore those IO errors.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
 2021-12-13 10:08:09 +08:00
Maksym Pavlenko 34ab8a1b6f Bump version to 0.1.1 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 15:33:15 -08:00
Maksym Pavlenko 064387518e Update authors and homepage 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 15:32:26 -08:00
Maksym Pavlenko 87f97f462c Add copyright headers 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 15:14:48 -08:00
Maksym Pavlenko e5fd8c76ae Update docs 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 15:06:55 -08:00
Maksym Pavlenko af24c1421c Add badges 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 11:35:52 -08:00
Maksym Pavlenko 1fc9ce0151 Update repositories 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 11:11:56 -08:00
Maksym Pavlenko 129f4f8608 Fix Cargo.toml for shim crate 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-12-10 11:08:35 -08:00
Maksym Pavlenko 11ad93017f Allow custom error types in Shim trait 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-11-19 16:11:49 -08:00
Maksym Pavlenko 7b0f47b1ba Pass socket fd to child process 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-11-17 12:14:57 -08:00
Maksym Pavlenko 70ae5e537a Rename shim protos crate 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-11-16 11:07:03 -08:00
Maksym Pavlenko 141ba3bac8 Build on MacOS 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-11-16 10:45:29 -08:00
Maksym Pavlenko cab9ec91ea Add keywords 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-28 22:10:42 -07:00
Maksym Pavlenko 9629eac9ec Add shim exit signal 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-28 11:43:22 -07:00
Maksym Pavlenko 8e6bf687b2 Publisher fixes 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-26 18:16:16 -07:00
Maksym Pavlenko 77bfce3a50 Rename client crate 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-26 17:06:06 -07:00
Maksym Pavlenko d3852a5fcd Implement remote publisher 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-26 16:59:21 -07:00
Maksym Pavlenko 3f41003493 Update shim README 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-24 11:04:19 -07:00
Maksym Pavlenko 81a57058b6 Fix shim example 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-22 12:39:08 -07:00
Maksym Pavlenko bcdb1d950f Rename crates 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-22 12:29:58 -07:00
Maksym Pavlenko 3fc0396355 Fix CI 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-22 12:20:58 -07:00
Maksym Pavlenko 8e14872cd7 Add license and repository to Cargo.toml 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-07-22 12:03:45 -07:00
Maksym Pavlenko cce1a7e04c Update repository README 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-08 18:00:51 -07:00
Maksym Pavlenko 26bfc6cbe7 Add default shim start implementation 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-08 17:50:20 -07:00
Maksym Pavlenko 7624bc7608 Add reaper 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 17:14:22 -07:00
Maksym Pavlenko 45c72c34a7 Implement FIFO logger 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 16:59:45 -07:00
Maksym Pavlenko f48d018c32 Add example skeleton 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 16:46:52 -07:00
Maksym Pavlenko e4b51a3b86 Initial shim bootstrapper implementation 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 16:40:17 -07:00
Maksym Pavlenko edf0975ba6 Add shim entry point 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 16:02:19 -07:00
Maksym Pavlenko 544b5d26f5 Add empty shim crate 
Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
 2021-06-01 12:07:51 -07:00