add prometheus and grafana for argocd

Signed-off-by: Carlos Santana <[email protected]>

examples/gitops/argocd-multi-cluster/hub-cluster/grafana-argocd/values.yaml

@@ -0,0 +1,82 @@
+#Enabling IRSA module for extending the data sources to CloudWatch
+serviceAccount:
+  create: false
+
+resources:
+  limits:
+    cpu: 200m
+    memory: 512Mi
+  requests:
+    cpu: 200m
+    memory: 512Mi
+
+autoscaling:
+  enabled: true
+  minReplicas: 1
+  maxReplicas: 10
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      targetAverageUtilization: 60
+  - type: Resource
+    resource:
+      name: memory
+      targetAverageUtilization: 60
+
+nodeSelector:
+  kubernetes.io/os: ${operating_system}
+
+
+adminUser: admin
+# Set this password using set_sensitive values
+#adminPassword:
+
+persistence:
+  type: pvc
+  enabled: true
+  storageClassName: gp2
+  accessModes:
+    - ReadWriteOnce
+  size: 8Gi
+
+datasources:
+  datasources.yaml:
+    apiVersion: 1
+    datasources:
+    - name: Prometheus
+      type: prometheus
+      url: http://prometheus-server.prometheus.svc.cluster.local
+      access: proxy
+      isDefault: true
+
+## Configure grafana dashboard providers
+## ref: http://docs.grafana.org/administration/provisioning/#dashboards
+##
+## `path` must be /var/lib/grafana/dashboards/<provider_name>
+##
+dashboardProviders:
+  dashboardproviders.yaml:
+    apiVersion: 1
+    providers:
+    - name: 'default'
+      orgId: 1
+      folder: ''
+      type: file
+      disableDeletion: false
+      editable: true
+      options:
+        path: /var/lib/grafana/dashboards/default
+
+## Configure grafana dashboard to import
+## NOTE: To use dashboards you must also enable/configure dashboardProviders
+## ref: https://grafana.com/dashboards
+##
+## dashboards per provider, use provider name as key.
+##
+dashboards:
+  default:
+    argocd:
+      gnetId: 14584
+      revision: 1
+      datasource: Prometheus

examples/gitops/argocd-multi-cluster/hub-cluster/main.tf

@@ -158,6 +158,14 @@ module "eks_blueprints_kubernetes_addons" {
                 "eks.amazonaws.com/role-arn" : module.argocd_irsa.irsa_iam_role_arn
               }
             }
+            metrics : {
+              enabled : true
+              service : {
+                annotations : {
+                  "prometheus.io/scrape" : true
+                }
+              }
+            }
           }
           repoServer : {
             autoscaling : {
@@ -174,9 +182,25 @@ module "eks_blueprints_kubernetes_addons" {
                 memory : "256Mi"
               }
             }
+            metrics : {
+              enabled : true
+              service : {
+                annotations : {
+                  "prometheus.io/scrape" : true
+                }
+              }
+            }
           }
           applicationSet : {
             replicaCount : 2 # The controller doesn't scale horizontally, is active-standby replicas
+            metrics : {
+              enabled : true
+              service : {
+                annotations : {
+                  "prometheus.io/scrape" : true
+                }
+              }
+            }
           }
           server : {
             autoscaling : {
@@ -193,6 +217,14 @@ module "eks_blueprints_kubernetes_addons" {
                 memory : "256Mi"
               }
             }
+            metrics : {
+              enabled : true
+              service : {
+                annotations : {
+                  "prometheus.io/scrape" : true
+                }
+              }
+            }
             serviceAccount : {
               annotations : {
                 "eks.amazonaws.com/role-arn" : module.argocd_irsa.irsa_iam_role_arn
@@ -234,7 +266,6 @@ module "eks_blueprints_kubernetes_addons" {
             cm : {
               "application.resourceTrackingMethod" : "annotation+label" #use annotation for tracking but keep labels for compatibility with other tools
             }
-
           }
         }
       ),
@@ -254,6 +285,11 @@ module "eks_blueprints_kubernetes_addons" {
   enable_external_dns                 = true                      # ArgoCD Server and UI use valid https domain name
   external_dns_route53_zone_arns      = [local.argocd_domain_arn] # ArgoCD Server and UI domain name is registered in Route 53
 
+  # Observability for ArgoCD
+  enable_amazon_eks_aws_ebs_csi_driver = true
+  enable_prometheus                    = true
+  enable_amazon_prometheus             = true
+
   enable_crossplane = false
   crossplane_helm_config = {
     version = "1.11.1" # Get the latest version from https://charts.crossplane.io/stable
@@ -408,6 +444,25 @@ resource "aws_iam_policy" "irsa_policy" {
   tags        = local.tags
 }
 
+
+resource "helm_release" "grafana" {
+  name       = "grafana"
+  repository = "https://grafana.github.io/helm-charts"
+  chart      = "grafana"
+  version    = "6.52.1"
+  namespace  = "grafana"
+  create_namespace  = true
+
+
+  values = [templatefile("${path.module}/grafana-argocd/values.yaml", {
+      operating_system = "linux"
+      region           = local.region
+    })]
+
+  depends_on = [module.eks_blueprints_kubernetes_addons]
+}
+
+
 ################################################################################
 # Supporting Resources
 ################################################################################