Initial commit

checker/evaluate.go

@@ -0,0 +1,53 @@
+package checker
+
+import (
+	"fmt"
+
+	sdk "git.happydns.org/checker-sdk-go/checker"
+)
+
+// Evaluate folds findings into a single CheckState. The status is the
+// highest severity observed: any Crit makes the whole result Crit, any Warn
+// makes it Warn, otherwise OK.
+func Evaluate(data *DelegationData) sdk.CheckState {
+	status := sdk.StatusOK
+	var crit, warn, info int
+	for _, f := range data.Findings {
+		switch f.Severity {
+		case SeverityCrit:
+			crit++
+			status = sdk.StatusCrit
+		case SeverityWarn:
+			warn++
+			if status != sdk.StatusCrit {
+				status = sdk.StatusWarn
+			}
+		case SeverityInfo:
+			info++
+			if status == sdk.StatusOK {
+				status = sdk.StatusInfo
+			}
+		}
+	}
+
+	var msg string
+	if len(data.Findings) == 0 {
+		msg = fmt.Sprintf("Delegation of %s is healthy", data.DelegatedFQDN)
+	} else {
+		msg = fmt.Sprintf("Delegation of %s: %d critical, %d warning, %d info", data.DelegatedFQDN, crit, warn, info)
+	}
+
+	return sdk.CheckState{
+		Status:  status,
+		Message: msg,
+		Code:    "delegation_result",
+		Meta: map[string]any{
+			"findings":       data.Findings,
+			"delegated_fqdn": data.DelegatedFQDN,
+			"parent_zone":    data.ParentZone,
+			"advertised_ns":  data.AdvertisedNS,
+			"parent_ds":      data.ParentDS,
+			"child_serials":  data.ChildSerials,
+		},
+	}
+}