From ef3e9a1b57026ecc7f693288500d0d8fde31a7c7 Mon Sep 17 00:00:00 2001
From: Clement Erena <clement.erena@smartcontract.com>
Date: Mon, 6 Jan 2025 13:32:13 +0100
Subject: [PATCH] feat(observability-lib): can specify max data points on
 panels

---
 observability-lib/grafana/panels.go | 49 ++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 14 deletions(-)

diff --git a/observability-lib/grafana/panels.go b/observability-lib/grafana/panels.go
index 9869a2317..53522d79d 100644
--- a/observability-lib/grafana/panels.go
+++ b/observability-lib/grafana/panels.go
@@ -89,20 +89,21 @@ func newTransform(options *TransformOptions) dashboard.DataTransformerConfig {
 }
 
 type PanelOptions struct {
-	Datasource  string
-	Title       string
-	Description string
-	Span        uint32
-	Height      uint32
-	Decimals    float64
-	Unit        string
-	NoValue     string
-	Min         *float64
-	Max         *float64
-	Query       []Query
-	Threshold   *ThresholdOptions
-	Transform   *TransformOptions
-	ColorScheme dashboard.FieldColorModeId
+	Datasource    string
+	Title         string
+	Description   string
+	Span          uint32
+	Height        uint32
+	Decimals      float64
+	Unit          string
+	NoValue       string
+	Min           *float64
+	Max           *float64
+	MaxDataPoints *float64
+	Query         []Query
+	Threshold     *ThresholdOptions
+	Transform     *TransformOptions
+	ColorScheme   dashboard.FieldColorModeId
 }
 
 type Panel struct {
@@ -183,6 +184,10 @@ func NewStatPanel(options *StatPanelOptions) *Panel {
 		Mappings(options.Mappings).
 		ReduceOptions(common.NewReduceDataOptionsBuilder().Calcs([]string{"last"}))
 
+	if options.MaxDataPoints != nil {
+		newPanel.MaxDataPoints(*options.MaxDataPoints)
+	}
+
 	if options.Min != nil {
 		newPanel.Min(*options.Min)
 	}
@@ -259,6 +264,10 @@ func NewTimeSeriesPanel(options *TimeSeriesPanelOptions) *Panel {
 			Type(options.ScaleDistribution),
 		)
 
+	if options.MaxDataPoints != nil {
+		newPanel.MaxDataPoints(*options.MaxDataPoints)
+	}
+
 	if options.Min != nil {
 		newPanel.Min(*options.Min)
 	}
@@ -326,6 +335,10 @@ func NewGaugePanel(options *GaugePanelOptions) *Panel {
 				Calcs([]string{"lastNotNull"}).Values(false),
 		)
 
+	if options.MaxDataPoints != nil {
+		newPanel.MaxDataPoints(*options.MaxDataPoints)
+	}
+
 	if options.Min != nil {
 		newPanel.Min(*options.Min)
 	}
@@ -368,6 +381,10 @@ func NewTablePanel(options *TablePanelOptions) *Panel {
 		Unit(options.Unit).
 		NoValue(options.NoValue)
 
+	if options.MaxDataPoints != nil {
+		newPanel.MaxDataPoints(*options.MaxDataPoints)
+	}
+
 	if options.Min != nil {
 		newPanel.Min(*options.Min)
 	}
@@ -414,6 +431,10 @@ func NewLogPanel(options *LogPanelOptions) *Panel {
 		NoValue(options.NoValue).
 		PrettifyLogMessage(options.PrettifyJSON)
 
+	if options.MaxDataPoints != nil {
+		newPanel.MaxDataPoints(*options.MaxDataPoints)
+	}
+
 	if options.Min != nil {
 		newPanel.Min(*options.Min)
 	}