monitor: add tests

Signed-off-by: huanggze <loganhuang@yunify.com>

pkg/simple/client/monitoring/interface.go

@@ -2,40 +2,9 @@ package monitoring
 
 import "time"
 
-const (
-	StatusSuccess    = "success"
-	StatusError      = "error"
-	MetricTypeMatrix = "matrix"
-	MetricTypeVector = "vector"
-)
-
-type Metric struct {
-	MetricName string `json:"metric_name,omitempty" description:"metric name, eg. scheduler_up_sum"`
-	Status     string `json:"status" description:"result status, one of error, success"`
-	MetricData `json:"data" description:"actual metric result"`
-	ErrorType  string `json:"errorType,omitempty"`
-	Error      string `json:"error,omitempty"`
-}
-
-type MetricData struct {
-	MetricType   string        `json:"resultType" description:"result type, one of matrix, vector"`
-	MetricValues []MetricValue `json:"result" description:"metric data including labels, time series and values"`
-}
-
-type Point [2]float64
-
-type MetricValue struct {
-	Metadata map[string]string `json:"metric,omitempty" description:"time series labels"`
-	Sample   Point             `json:"value,omitempty" description:"time series, values of vector type"`
-	Series   []Point           `json:"values,omitempty" description:"time series, values of matrix type"`
-}
-
 type Interface interface {
-	// The `stmts` defines statements, expressions or rules (eg. promql in Prometheus) for querying specific metrics.
-	GetMetrics(stmts []string, time time.Time) ([]Metric, error)
-	GetMetricsOverTime(stmts []string, start, end time.Time, step time.Duration) ([]Metric, error)
-
-	// Get named metrics (eg. node_cpu_usage)
-	GetNamedMetrics(time time.Time, opt QueryOption) ([]Metric, error)
-	GetNamedMetricsOverTime(start, end time.Time, step time.Duration, opt QueryOption) ([]Metric, error)
+	GetMetrics(exprs []string, time time.Time) []Metric
+	GetMetricsOverTime(exprs []string, start, end time.Time, step time.Duration) []Metric
+	GetNamedMetrics(metrics []string, time time.Time, opt QueryOption) []Metric
+	GetNamedMetricsOverTime(metrics []string, start, end time.Time, step time.Duration, opt QueryOption) []Metric
 }