chore: add scrape config health

pkg/health/health.go

@@ -397,11 +397,12 @@ func GetHealthCheckFunc(gvk schema.GroupVersionKind) func(obj *unstructured.Unst
 			// case "Component":
 			// case "Topology":
 		}
-	// case "configs.flanksource.com":
-	// 	switch gvk.Kind {
-	// 	case "ScrapeConfig":
-	// 	case "ScrapePlugin":
-	// 	}
+	case "configs.flanksource.com":
+		switch gvk.Kind {
+		case "ScrapeConfig":
+			return getScrapeConfigHealth
+			// 	case "ScrapePlugin":
+		}
 	// case "mission-control.flanksource.com":
 	// 	switch gvk.Kind {
 	// 	case "Notification":

pkg/health/health_flanksource.go

@@ -3,6 +3,7 @@ package health
 import (
 	"regexp"
 	"strconv"
+	"strings"
 
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 )
@@ -66,3 +67,44 @@ func parseCanaryUptime(uptime string) *float64 {
 
 	return &v
 }
+
+func getScrapeConfigHealth(obj *unstructured.Unstructured) (*HealthStatus, error) {
+	errorCount, _, err := unstructured.NestedInt64(obj.Object, "status", "lastRun", "error")
+	if err != nil {
+		return nil, err
+	}
+
+	successCount, _, err := unstructured.NestedInt64(obj.Object, "status", "lastRun", "success")
+	if err != nil {
+		return nil, err
+	}
+
+	var h Health
+	switch {
+	case errorCount == 0 && successCount == 0:
+		h = HealthUnknown
+	case errorCount == 0 && successCount > 0:
+		h = HealthHealthy
+	case errorCount > 0 && successCount == 0:
+		h = HealthUnhealthy
+	case errorCount > 0 && successCount > 0:
+		h = HealthWarning
+	default:
+		h = HealthUnknown
+	}
+
+	status := &HealthStatus{Health: h}
+
+	if errorCount > 0 {
+		errorMsgs, _, err := unstructured.NestedStringSlice(obj.Object, "status", "lastRun", "errors")
+		if err != nil {
+			return nil, err
+		}
+
+		if len(errorMsgs) > 0 {
+			status.Message = strings.Join(errorMsgs, ",")
+		}
+	}
+
+	return status, nil
+}