26 add grafana chart to monitoring stack (#27)

* add grafana helm chart

* add grafana helm chart

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.3.0] - 2022-12-02
+
+### Added
+- grafana helm chart
+
 ## [4.2.1] - 2022-11-16
 
 ### Fixed 

README.md

@@ -12,6 +12,7 @@ Terraform module which creates EKS Cluster and dependent resources on AWS.
 - [Loki Distributed Helm Chart](https://github.com/grafana/helm-charts/tree/main/charts/loki-distributed)
 - [Fluent Bit Helm Chart](https://github.com/fluent/helm-charts/tree/main/charts/fluent-bit)
 - [Tempo Distributed Helm Chart](https://github.com/grafana/helm-charts/tree/main/charts/tempo-distributed)
+- [Grafana Helm Chart](https://github.com/grafana/helm-charts/tree/main/charts/grafana)
 
 
 ## Usage
@@ -173,6 +174,12 @@ module "eks_main" {
 # open-telemetry
   k8s_opentelemetry_enabled = true
 
+# =================== grafana ================== #
+  helm_grafana_enabled    = true
+  grafana_ingress_enabled = true
+  grafana_ingress_host    = "grafana.example.com"
+
+
 }
 
 ```
@@ -330,6 +337,12 @@ module "eks_main" {
 | tempo\_gateway\_ingress\_path | Path for ingress rule | `string` | `/` | no |
 | tempo\_ingress\_path\_type | Path type for ingress rule | `string` | `Prefix` | no |
 | tempo\_ingress\_class\_name | ingress className | `string` | `nginx` | no |
+| helm\_grafana\_enabled | install grafana helm chart | `bool` | `false` | no |
+| grafana\_ingress\_enabled | Enable ingress for grafana | `bool` | `false` | no |
+| grafana\_ingress\_host | Host for ingress rule | `string` | `""` | no |
+| grafana\_ingress\_path | Path for ingress rule | `string` | `/` | no |
+| grafana\_ingress\_path\_type | Path type for ingress rule | `string` | `Prefix` | no |
+| grafana\_ingress\_class\_name | ingress className | `string` | `nginx` | no 
 
 ## Outputs
 

helm.tf

@@ -173,11 +173,6 @@ resource "helm_release" "prometheus_stack" {
   dependency_update = true
   timeout           = 600
 
-  set {
-    name = "grafana.enabled"
-    value = false
-  }
-
   set {
     name  = "prometheus.prometheusSpec.replicas"
     value = var.prometheus_replicas
@@ -1076,3 +1071,42 @@ resource "helm_release" "tempo_distributed" {
   }  
 
 }
+
+# ========================= grafana ========================= #
+
+resource "helm_release" "grafana_stack" {
+  count             = var.helm_grafana_enabled ? 1 : 0
+  name              = "grafana"
+  namespace         = "monitoring"
+  create_namespace  = true
+  repository        = "https://grafana.github.io/helm-charts"
+  chart             = "grafana"
+  version           = "6.45.0"
+  dependency_update = true
+  timeout           = 600
+
+set {
+    name  = "ingress.enabled"
+    value = var.grafana_ingress_enabled
+  }  
+
+  set {
+    name  = "ingress.hosts[0]"
+    value = var.grafana_ingress_host
+  }  
+
+  set {
+    name  = "ingress.path"
+    value = var.grafana_ingress_path
+  }  
+
+  set {
+    name  = "ingress.pathType"
+    value = var.grafana_ingress_path_type
+  }  
+
+  set {
+    name = "ingress.ingressClassName"
+    value = var.grafana_ingress_class_name
+  }
+}

variables.tf

@@ -646,4 +646,29 @@ variable "tempo_ingress_class_name" {
 # open-telemetry
 variable "k8s_opentelemetry_enabled" {
     default = false
+}
+
+# ============================== grafana ============================== #
+variable "helm_grafana_enabled" {
+    default = false
+}
+
+variable "grafana_ingress_enabled" {
+    default = false
+}
+
+variable "grafana_ingress_host" {
+    default = ""
+}
+
+variable "grafana_ingress_path" {
+    default = "/"
+}
+
+variable "grafana_ingress_path_type" {
+    default = "Prefix"
+}
+
+variable "grafana_ingress_class_name" {
+    default = "nginx"
 }