feat(pr: issue-431): add helm with kube-prometheus-stack

deploy/k8s/helm_release_o2bionics_webapp.tf

@@ -1,9 +1,9 @@
-resource "helm_release" "o2bionicswebappdev" {
-  name       = "o2bionics-webapp"
-  repository = "./charts"
-  namespace  = "dev"
-  chart      = "o2bionics-webapp"
-}
+# resource "helm_release" "o2bionicswebappdev" {
+#   name       = "o2bionics-webapp"
+#   repository = "./charts"
+#   namespace  = "dev"
+#   chart      = "o2bionics-webapp"
+# }
 resource "helm_release" "o2bionicswebappprod" {
   name       = "o2bionics-webapp"
   repository = "./charts"

deploy/k8s/helm_release_testapp.tf

@@ -1,9 +1,9 @@
-resource "helm_release" "testapp" {
-  name       = "test-app"
-  repository = "./charts"
-  namespace  = "dev"
-  chart      = "test-app"
-}
+# resource "helm_release" "testapp" {
+#   name       = "test-app"
+#   repository = "./charts"
+#   namespace  = "dev"
+#   chart      = "test-app"
+# }
 
 # resource "helm_release" "example" {
 #   name  = "redis"

deploy/k8s/monitoring.tf

@@ -0,0 +1,82 @@
+
+resource "helm_release" "pod_identity" {
+  name       = "pod-identity"
+  repository = "https://raw.githubusercontent.com/Azure/aad-pod-identity/master/charts"
+  chart      = "aad-pod-identity"
+  namespace  = "kube-system"
+}
+
+# https://github.com/kubernetes/ingress-nginx/tree/main/charts/ingress-nginx
+resource "helm_release" "nginx_ingress_controller" {
+  name             = "nginx-ingress-controller"
+  repository       = "https://kubernetes.github.io/ingress-nginx"
+  chart            = "ingress-nginx"
+  version          = "4.1.3"
+  namespace        = "ingress"
+  create_namespace = "true"
+
+  set {
+    name  = "controller.service.type"
+    value = "LoadBalancer"
+  }
+  set {
+    name  = "controller.autoscaling.enabled"
+    value = "true"
+  }
+  set {
+    name  = "controller.autoscaling.minReplicas"
+    value = "1"
+  }
+  set {
+    name  = "controller.autoscaling.maxReplicas"
+    value = "2"
+  }
+}
+
+# https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-prometheus-stack
+resource "helm_release" "prometheus_stack" {
+  name             = "prometheus-stack"
+  repository       = "https://prometheus-community.github.io/helm-charts"
+  chart            = "kube-prometheus-stack"
+  namespace        = "monitoring"
+  create_namespace = true
+
+  set {
+    name  = "grafana.ingress.enabled"
+    value = "true"
+  }
+  set {
+    name  = "grafana.ingress.ingressClassName"
+    value = "nginx"
+  }
+  set {
+    name  = "grafana.ingress.path"
+    value = "/(.*)" # "/grafana2/?(.*)"
+  }
+  # annotations:
+  #   nginx.ingress.kubernetes.io/ssl-redirect: "false"
+  #   nginx.ingress.kubernetes.io/use-regex: "true"
+  #   nginx.ingress.kubernetes.io/rewrite-target: /$1
+  set {
+    name  = "grafana.ingress.annotations.nginx\\.ingress\\.kubernetes\\.io/ssl-redirect"
+    value = "false"
+    type  = "string"
+  }
+  set {
+    name  = "grafana.ingress.annotations.nginx\\.ingress\\.kubernetes\\.io/use-regex"
+    value = "true"
+    type  = "string"
+  }
+  set {
+    name  = "grafana.ingress.annotations.nginx\\.ingress\\.kubernetes\\.io/rewrite-target"
+    value = "/$1"
+  }
+  set {
+    name  = "grafana.adminUser"
+    value = var.grafana_admin_user
+  }
+  set {
+    name  = "grafana.adminPassword"
+    value = var.grafana_admin_password
+  }
+}

deploy/k8s/terraform.tfvars

@@ -3,4 +3,7 @@ aks_group_name     = "aks-prods"
 aks_group_location = "WestUS3"
 aks_dns_prefix     = "o2ngaks"
 aks_vm_size        = "Standard_D2_v2"
-aks_node_count     = 1
+aks_node_count     = 1
+
+grafana_admin_user     = "grafana"
+grafana_admin_password = "grafana-pass"

deploy/k8s/varribles.tf

@@ -18,6 +18,7 @@ variable "aks_vm_size" {
   description = "Name VM for AKS Cluster"
 }
 
+
 variable "aks_node_count" {
   type        = number
   description = "Node count for AKS Cluster"
@@ -26,3 +27,13 @@ variable "aks_cluster_name" {
   type        = string
   description = "AKS Cluster Name"
 }
+
+variable "grafana_admin_user" {
+  type        = string
+  description = "Admin user to access Grafana dashboard"
+}
+
+variable "grafana_admin_password" {
+  type        = string
+  description = "Admin password to access Grafana dashboard"
+}