Publicdasboards: Add annotations support (#56413)

adds annotations support for public dashboards

pkg/coremodel/dashboard/coremodel.cue

@@ -84,6 +84,13 @@ seqs: [
 				///////////////////////////////////////
 				// Definitions (referenced above) are declared below
 
+				#AnnotationTarget: {
+					limit: int64
+					matchAny: bool
+					tags: [...string]
+					type: string
+				}
+
 				// TODO docs
 				// FROM: AnnotationQuery in grafana-data/src/types/annotations.ts
 				#AnnotationQuery: {
@@ -106,7 +113,7 @@ seqs: [
 					// Query for annotation data.
 					rawQuery?: string     @grafanamaturity(NeedsExpertReview)
 					showIn:    uint8 | *0 @grafanamaturity(NeedsExpertReview)
-					target?:   #Target    @grafanamaturity(NeedsExpertReview) // TODO currently a generic in AnnotationQuery
+					target?:   #AnnotationTarget    @grafanamaturity(NeedsExpertReview)
 				} @cuetsy(kind="interface")
 
 				// FROM: packages/grafana-data/src/types/templateVars.ts

pkg/coremodel/dashboard/dashboard_gen.go

@@ -343,18 +343,21 @@ type AnnotationQuery struct {
 	Name *string `json:"name,omitempty"`
 
 	// Query for annotation data.
-	RawQuery *string `json:"rawQuery,omitempty"`
-	ShowIn   int     `json:"showIn"`
+	RawQuery *string           `json:"rawQuery,omitempty"`
+	ShowIn   int               `json:"showIn"`
+	Target   *AnnotationTarget `json:"target,omitempty"`
+	Type     string            `json:"type"`
+}
 
-	// Schema for panel targets is specified by datasource
-	// plugins. We use a placeholder definition, which the Go
-	// schema loader either left open/as-is with the Base
-	// variant of the Model and Panel families, or filled
-	// with types derived from plugins in the Instance variant.
-	// When working directly from CUE, importers can extend this
-	// type directly to achieve the same effect.
-	Target *Target `json:"target,omitempty"`
-	Type   string  `json:"type"`
+// AnnotationTarget is the Go representation of a dashboard.AnnotationTarget.
+//
+// THIS TYPE IS INTENDED FOR INTERNAL USE BY THE GRAFANA BACKEND, AND IS SUBJECT TO BREAKING CHANGES.
+// Equivalent Go types at stable import paths are provided in https://github.com/grafana/grok.
+type AnnotationTarget struct {
+	Limit    int64    `json:"limit"`
+	MatchAny bool     `json:"matchAny"`
+	Tags     []string `json:"tags"`
+	Type     string   `json:"type"`
 }
 
 // 0 for no shared crosshair or tooltip (default).