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Add instructions for configuring nvidia-container-runtime with containerd.

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The only way to get containerd to use runsc shim correctly alongside
nvidia-container-runtime right now is to manually modify
/etc/containerd/config.toml after running `nvidia-ctk runtime configure`.

See https://github.com/google/gvisor/issues/10997#issuecomment-2423231931
and https://github.com/google/gvisor/issues/10997#issuecomment-2427611588.

Fixes #10997

PiperOrigin-RevId: 688264375
This commit is contained in:
Ayush Ranjan
2024-10-21 14:05:01 -07:00
committed by gVisor bot
parent d3b95fae44
commit 4cf25cc44e
1 changed files with 46 additions and 0 deletions
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g3doc/user_guide/containerd/configuration.md
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@@ -100,3 +100,49 @@ log_level = "debug"
debug-log = "/var/log/runsc/%ID%/gvisor.%COMMAND%.log"
EOF
```
## NVIDIA Container Runtime
If you want to use
[`nvidia-container-runtime`](https://developer.nvidia.com/container-runtime)
with runsc through containerd, you might need to configure `nvidia` runtime in
containerd via `sudo nvidia-ctk runtime configure --runtime=containerd` command.
This will update `/etc/containerd/config.toml` with a new runtime named
`nvidia`. However, this runtime's configuration is not compatible with runsc:
- Its `runtime_type` is set to runc. You will need to manually update this
field to specify runsc so that containerd tries to invoke
`containerd-shim-runsc-v1` when using `nvidia` runtime.
- Its `options` attempts to specify `BinaryName =
"/usr/bin/nvidia-container-runtime"`. However, runsc shim takes
configuration via `ConfigPath` as shown above. So the `options` needs to be
updated to specify `ConfigPath` and in the config.toml file needs to specify
the `BinaryName`.
The `/etc/containerd/config.toml` file should look like:
```
...
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.nvidia]
runtime_type = "io.containerd.runsc.v1"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.nvidia.options]
TypeUrl = "io.containerd.runsc.v1.options"
ConfigPath = "/etc/containerd/runsc.toml"
...
```
And `/etc/containerd/runsc.toml` should look something like:
```
log_path = "/var/log/runsc/%ID%/shim.log"
log_level = "debug"
binary_name = "/usr/bin/nvidia-container-runtime"
[runsc_config]
debug = "true"
debug-log = "/var/log/runsc/%ID%/gvisor.%COMMAND%.log"
nvproxy = "true"
```
See [this section](../gpu.md#nvidia-container-runtime) for information about
configuring `nvidia-container-runtime` to use `runsc` as its low-level runtime.