pcm-coordinator/api/internal/pkg/scheduler/cloudScheduler.go

package scheduler

import (
	"bytes"
	"encoding/json"
	"gitlink.org.cn/jcce-pcm/pcm-coordinator/api/internal/algo"
	"gitlink.org.cn/jcce-pcm/pcm-coordinator/api/internal/types"
	"gitlink.org.cn/jcce-pcm/pcm-coordinator/model"
	"io"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
	"k8s.io/apimachinery/pkg/runtime"
	syaml "k8s.io/apimachinery/pkg/runtime/serializer/yaml"
	kyaml "k8s.io/apimachinery/pkg/util/yaml"
)

type cloudScheduler struct {
}

func NewCloudScheduler() *cloudScheduler {
	return &cloudScheduler{}
}

func (cs cloudScheduler) pickOptimalStrategy(task *algo.Task, providers ...*algo.Provider) (*algo.Task, error) {
	strategy := algo.NewK8sStrategy(task, providers...)
	taskResult, err := algo.ScheduleWithFullCollaboration(strategy, strategy.ProviderList)
	if err != nil {
		return nil, err
	}
	return taskResult, nil
}

func (cs cloudScheduler) getNewStructForDb(task *types.TaskInfo, participantIds []int64) (interface{}, error) {
	bytes, err := json.Marshal(task.Metadata)
	if err != nil {
		return nil, err
	}
	cloud := cs.UnMarshalK8sStruct(string(bytes), task.TaskId)
	cloud.YamlString = string(bytes)
	if len(participantIds) != 0 {
		cloud.ParticipantId = participantIds[0]
	}
	return cloud, nil
}

func (cs cloudScheduler) UnMarshalK8sStruct(yamlString string, taskId int64) model.Cloud {
	var cloud model.Cloud
	d := kyaml.NewYAMLOrJSONDecoder(bytes.NewBufferString(yamlString), 4096)
	var err error
	for {
		var rawObj runtime.RawExtension
		err = d.Decode(&rawObj)
		if err == io.EOF {
			break
		}
		if err != nil {
		}
		obj := &unstructured.Unstructured{}
		syaml.NewDecodingSerializer(unstructured.UnstructuredJSONScheme).Decode(rawObj.Raw, nil, obj)
		if err != nil {
		}

		unstructuredMap, err := runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
		if err != nil {
		}

		unstructureObj := &unstructured.Unstructured{Object: unstructuredMap}
		cloud = model.Cloud{
			TaskId:     taskId,
			ApiVersion: unstructureObj.GetAPIVersion(),
			Name:       unstructureObj.GetName(),
			Kind:       unstructureObj.GetKind(),
			Namespace:  unstructureObj.GetNamespace(),
			Status:     "Saved",
		}
	}
	return cloud
}