/
local.go
87 lines (76 loc) · 1.97 KB
/
local.go
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// Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
package main
import (
"fmt"
"github.com/KamranAlipour/nvidia-docker/src/docker"
"github.com/KamranAlipour/nvidia-docker/src/nvidia"
)
func GenerateLocalArgs(image string, vols []string) ([]string, error) {
cv, err := nvidia.GetCUDAVersion()
if err != nil {
return nil, err
}
if err := cudaSupported(image, cv); err != nil {
return nil, err
}
d, err := devicesArgs()
if err != nil {
return nil, err
}
v, err := volumesArgs(vols)
if err != nil {
return nil, err
}
return append(d, v...), nil
}
func devicesArgs() ([]string, error) {
var args []string
cdevs, err := nvidia.GetControlDevicePaths()
if err != nil {
return nil, err
}
for i := range cdevs {
args = append(args, fmt.Sprintf("--device=%s", cdevs[i]))
}
devs, err := nvidia.LookupDevices(nvidia.LookupMinimal)
if err != nil {
return nil, err
}
if len(GPU) == 0 {
for i := range devs {
args = append(args, fmt.Sprintf("--device=%s", devs[i].Path))
}
} else {
devs, err := nvidia.FilterDevices(devs, GPU)
if err != nil {
return nil, err
}
for i := range devs {
args = append(args, fmt.Sprintf("--device=%s", devs[i].Path))
}
}
return args, nil
}
func volumesArgs(vols []string) ([]string, error) {
args := make([]string, 0, len(vols))
drv, err := nvidia.GetDriverVersion()
if err != nil {
return nil, err
}
for _, vol := range nvidia.Volumes {
for _, v := range vols {
if v == vol.Name {
// Check if the volume exists locally otherwise fallback to using the plugin
n := fmt.Sprintf("%s_%s", vol.Name, drv)
if _, err := docker.VolumeInspect(n); err == nil {
args = append(args, fmt.Sprintf("--volume=%s:%s:%s", n, vol.Mountpoint, vol.MountOptions))
} else {
args = append(args, fmt.Sprintf("--volume-driver=%s", nvidia.DockerPlugin))
args = append(args, fmt.Sprintf("--volume=%s:%s:%s", n, vol.Mountpoint, vol.MountOptions))
}
break
}
}
}
return args, nil
}