mirror of https://github.com/portainer/portainer
				
				
				
			
		
			
				
	
	
		
			87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
package containers
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import (
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	"net/http"
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	"strings"
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	containertypes "github.com/docker/docker/api/types/container"
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	httperror "github.com/portainer/libhttp/error"
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	"github.com/portainer/libhttp/request"
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	"github.com/portainer/libhttp/response"
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	portainer "github.com/portainer/portainer/api"
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	"github.com/portainer/portainer/api/http/middlewares"
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	"github.com/portainer/portainer/api/internal/slices"
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)
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type containerGpusResponse struct {
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	Gpus string `json:"gpus"`
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}
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// @id dockerContainerGpusInspect
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// @summary Fetch container gpus data
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// @description
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// @description **Access policy**:
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// @tags docker
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// @security jwt
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// @accept json
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// @produce json
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// @param environmentId path int true "Environment identifier"
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// @param containerId path int true "Container identifier"
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// @success 200 {object} containerGpusResponse "Success"
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// @failure 404 "Environment or container not found"
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// @failure 400 "Bad request"
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// @failure 500 "Internal server error"
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// @router /docker/{environmentId}/containers/{containerId}/gpus [get]
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func (handler *Handler) containerGpusInspect(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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	containerId, err := request.RetrieveRouteVariableValue(r, "containerId")
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	if err != nil {
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		return httperror.BadRequest("Invalid container identifier route variable", err)
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	}
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	endpoint, err := middlewares.FetchEndpoint(r)
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	if err != nil {
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		return httperror.NotFound("Unable to find an environment on request context", err)
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	}
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	agentTargetHeader := r.Header.Get(portainer.PortainerAgentTargetHeader)
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	cli, err := handler.dockerClientFactory.CreateClient(endpoint, agentTargetHeader, nil)
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	if err != nil {
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		return httperror.InternalServerError("Unable to connect to the Docker daemon", err)
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	}
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	container, err := cli.ContainerInspect(r.Context(), containerId)
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	if err != nil {
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		return httperror.NotFound("Unable to find the container", err)
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	}
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	if container.HostConfig == nil {
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		return httperror.NotFound("Unable to find the container host config", err)
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	}
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	gpuOptionsIndex := slices.IndexFunc(container.HostConfig.DeviceRequests, func(opt containertypes.DeviceRequest) bool {
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		if opt.Driver == "nvidia" {
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			return true
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		}
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		if len(opt.Capabilities) == 0 || len(opt.Capabilities[0]) == 0 {
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			return false
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		}
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		return opt.Capabilities[0][0] == "gpu"
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	})
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	if gpuOptionsIndex == -1 {
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		return response.JSON(w, containerGpusResponse{Gpus: "none"})
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	}
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	gpuOptions := container.HostConfig.DeviceRequests[gpuOptionsIndex]
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	gpu := "all"
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	if gpuOptions.Count != -1 {
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		gpu = "id:" + strings.Join(gpuOptions.DeviceIDs, ",")
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	}
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	return response.JSON(w, containerGpusResponse{Gpus: gpu})
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}
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