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package mlu
import (
"context"
"fmt"
"github.com/go-kratos/kratos/v2/log"
"github.com/prometheus/common/model"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/labels"
"vgpu/internal/data/prom"
"vgpu/internal/provider/util"
)
type Cambricon struct {
prom *prom.Client
log *log.Helper
labelsSelector string
}
func NewCambricon(prom *prom.Client, log *log.Helper, labelSelector string) *Cambricon {
return &Cambricon{
prom: prom,
log: log,
labelsSelector: labelSelector,
}
}
func (c *Cambricon) GetNodeDevicePluginLabels() (labels.Selector, error) {
return labels.Parse(c.labelsSelector)
}
func (c *Cambricon) GetProvider() string {
return CambriconMLUDevice
}
type DeviceMeta struct {
UUID string
Type string
Driver string
}
func (c *Cambricon) GetDevicesFromPrometheus(node *corev1.Node) map[string]*util.DeviceInfo {
device := make(map[string]*util.DeviceInfo)
queryString := fmt.Sprintf("mlu_health{node=\"%s\"}", node.Name)
vs, err := c.prom.Query(context.Background(), queryString)
if err != nil {
c.log.Warnf("query %s failed", queryString)
} else {
ds, ok := vs.(model.Vector)
if !ok {
c.log.Warnf("vectorValue: %v, failed", vs)
} else {
for _, d := range ds {
id := d.Metric["mlu"]
health := false
if d.Value.Equal(1) {
health = true
}
device[string(id)] = &util.DeviceInfo{
ID: string(d.Metric["uuid"]),
Type: string(d.Metric["model"]),
Driver: string(d.Metric["driver"]),
Health: health,
}
}
}
}
return device
}
func (c *Cambricon) FetchDevices(node *corev1.Node) ([]*util.DeviceInfo, error) {
nodedevices := []*util.DeviceInfo{}
i := 0
cards, _ := node.Status.Capacity.Name(corev1.ResourceName(CambriconDeviceCoreAnnos), resource.DecimalSI).AsInt64()
memoryTotal, _ := node.Status.Capacity.Name(corev1.ResourceName(CambriconDeviceMemAnnos), resource.DecimalSI).AsInt64()
tmpDevice := c.GetDevicesFromPrometheus(node)
for int64(i)*100 < cards {
index := fmt.Sprintf("%d", i)
if _, ok := tmpDevice[index]; !ok {
i++
continue
}
nodedevices = append(nodedevices, &util.DeviceInfo{
Index: uint(i),
ID: tmpDevice[index].ID,
AliasId: node.Name + "-cambricon-mlu-" + fmt.Sprint(i),
Count: 10,
Devmem: int32(memoryTotal * CambriconMemUnit * 100 / cards),
Devcore: 100,
Type: tmpDevice[index].Type,
Numa: 0,
Health: tmpDevice[index].Health,
Driver: tmpDevice[index].Driver,
})
i++
}
return nodedevices, nil
}