Add metering api.

Signed-off-by: yunkunrao <yunkunrao@yunify.com>

pkg/api/metering/v1alpha1/types.go

@@ -0,0 +1,89 @@
+package v1alpha1
+
+import (
+	"time"
+
+	"github.com/emicklei/go-restful"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	model "kubesphere.io/kubesphere/pkg/models/monitoring"
+	"kubesphere.io/kubesphere/pkg/simple/client/monitoring"
+)
+
+const (
+	DefaultStep   = 10 * time.Minute
+	DefaultFilter = ".*"
+	DefaultOrder  = model.OrderDescending
+	DefaultPage   = 1
+	DefaultLimit  = 5
+
+	ErrNoHit             = "'end' or 'time' must be after the namespace creation time."
+	ErrParamConflict     = "'time' and the combination of 'start' and 'end' are mutually exclusive."
+	ErrInvalidStartEnd   = "'start' must be before 'end'."
+	ErrInvalidPage       = "Invalid parameter 'page'."
+	ErrInvalidLimit      = "Invalid parameter 'limit'."
+	ErrParameterNotfound = "Parmameter [%s] not found"
+	ErrResourceNotfound  = "resource not found"
+	ErrScopeNotAllowed   = "scope [%s] not allowed"
+)
+
+type Query struct {
+	Level            monitoring.Level
+	Operation        string
+	LabelSelector    string
+	Time             string
+	Start            string
+	End              string
+	Step             string
+	Target           string
+	Order            string
+	Page             string
+	Limit            string
+	MetricFilter     string
+	ResourceFilter   string
+	NodeName         string
+	WorkspaceName    string
+	NamespaceName    string
+	WorkloadKind     string
+	WorkloadName     string
+	PodName          string
+	Applications     string
+	Services         string
+	StorageClassName string
+	PVCFilter        string
+}
+
+func ParseQueryParameter(req *restful.Request) *Query {
+	var q Query
+
+	q.LabelSelector = req.QueryParameter(query.ParameterLabelSelector)
+
+	q.Level = monitoring.Level(monitoring.MeteringLevelMap[req.QueryParameter("level")])
+	q.Operation = req.QueryParameter("operation")
+	q.Time = req.QueryParameter("time")
+	q.Start = req.QueryParameter("start")
+	q.End = req.QueryParameter("end")
+	q.Step = req.QueryParameter("step")
+	q.Target = req.QueryParameter("sort_metric")
+	q.Order = req.QueryParameter("sort_type")
+	q.Page = req.QueryParameter("page")
+	q.Limit = req.QueryParameter("limit")
+	q.MetricFilter = req.QueryParameter("metrics_filter")
+	q.ResourceFilter = req.QueryParameter("resources_filter")
+	q.WorkspaceName = req.QueryParameter("workspace")
+
+	q.NamespaceName = req.QueryParameter("namespace")
+	if q.NamespaceName == "" {
+		q.NamespaceName = req.PathParameter("namespace")
+	}
+
+	q.NodeName = req.QueryParameter("node")
+	q.WorkloadKind = req.QueryParameter("kind")
+	q.WorkloadName = req.QueryParameter("workload")
+	q.PodName = req.QueryParameter("pod")
+	q.Applications = req.QueryParameter("applications")
+	q.Services = req.QueryParameter("services")
+	q.StorageClassName = req.QueryParameter("storageclass")
+	q.PVCFilter = req.QueryParameter("pvc_filter")
+
+	return &q
+}