initial commit

Author: aWN4Y25pa2EK

.gitignore

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+.terraform/*
+/terraform.tfstate
+terraform.tfstate.backup

README.md

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+# terraform-helm-release-prometheus-operator

inputs.tf

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+# Helm Chart
+variable "helm_chart_version" {
+  description = "Helm chart version"
+  default     = "8.15.6"
+}
+variable "helm_chart_name" {
+  description = "Helm chart name"
+  default     = "prometheus-operator"
+}
+variable "helm_chart_namespace" {
+  description = "Kubernetes namespace to deploy"
+  default     = "monitoring"
+}
+variable "skip_crds" {
+  default = false
+}
+variable "create_namespace" {
+  default = true
+}
+# General values
+variable "defaultRules_general" {
+  default = true
+}
+variable "defaultRules_PrometheusOperator" {
+  default = true
+}
+variable "defaultRules_alertmanager" {
+  default = true
+}
+variable "defaultRules_etcd" {
+  default = false
+}
+variable "defaultRules_k8s" {
+  default = true
+}
+variable "defaultRules_kubeApiserver" {
+  default = true
+}
+variable "defaultRules_kubeApiserverError" {
+  default = true
+}
+variable "defaultRules_kubeApiserverSlos" {
+  default = true
+}
+variable "defaultRules_kubePrometheusNodeAlerting" {
+  default = true
+}
+variable "defaultRules_kubePrometheusNodeRecording" {
+  default = true
+}
+variable "defaultRules_kubeScheduler" {
+  default = true
+}
+variable "defaultRules_kubernetesAbsent" {
+  default = true
+}
+variable "defaultRules_kubernetesApps" {
+  default = true
+}
+variable "defaultRules_kubernetesResources" {
+  default = true
+}
+variable "defaultRules_kubernetesStorage" {
+  default = true
+}
+variable "defaultRules_kubernetesSystem" {
+  default = true
+}
+variable "defaultRules_network" {
+  default = true
+}
+variable "defaultRules_node" {
+  default = true
+}
+variable "defaultRules_prometheus" {
+  default = true
+}
+variable "defaultRules_time" {
+  default = true
+}
+
+# Prometheus-Operator - Values
+variable "prometheusOperator_manageCrds" {
+  default = true
+}
+variable "prometheusOperator_image_tag" {
+  default = "v0.38.1"
+}
+
+# Prometheus - Values
+variable "prometheus_prometheusSpec_image_tag" {
+  description = "Tag of Prometheus container image to be deployed."
+  default     = "v2.18.1"
+}
+variable "prometheus_prometheusSpec_replicas" {
+  description = "Number of instances to deploy for a Prometheus deployment."
+  default     = "1"
+}
+variable "prometheus_prometheusSpec_ruleNamespaceSelector" {
+  description = "Namespaces to be selected for PrometheusRules discovery."
+  default     = true
+}
+variable "prometheus_service_type" {
+  description = "Prometheus Service type"
+  default     = "ClusterIP"
+}
+variable "alertmanagerSpec_image_tag" {
+  description = "Tag of Alertmanager container image to be deployed."
+  default     = "v0.20.0"
+}
+variable "alertmanager_service_type" {
+  description = "Alertmanager Service type"
+  default     = "ClusterIP"
+}
+variable "grafana_adminPassword" {
+  description = "Admin password to log into the grafana UI	"
+  default     = "pa$$w0rd"
+}
+variable "grafana_image_tag" {
+  description = "Image tag. (Must be >= 5.0.0)"
+  default     = "7.0.3"
+}
+variable "grafana_service_type" {
+  description = "Kubernetes service type"
+  default     = "ClusterIP"
+}
+variable "grafana_service_port" {
+  description = "Kubernetes port where service is exposed"
+  default     = "3000"
+}
+
+

main.tf

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+terraform {
+  required_version = ">= 0.12.0"
+}
+
+resource "helm_release" "prometheus-operator" {
+  name             = var.helm_chart_name
+  chart            = "stable/prometheus-operator"
+  version          = var.helm_chart_version
+  namespace        = var.helm_chart_namespace
+  skip_crds        = var.skip_crds
+  create_namespace = var.create_namespace
+
+  values = [
+    templatefile("${path.module}/template/operator_values.tpl", {
+      helm_chart_version                              = var.helm_chart_version
+      helm_chart_name                                 = var.helm_chart_name
+      helm_chart_namespace                            = var.helm_chart_namespace
+      defaultRules_general                            = var.defaultRules_general
+      defaultRules_PrometheusOperator                 = var.defaultRules_PrometheusOperator
+      defaultRules_alertmanager                       = var.defaultRules_alertmanager
+      defaultRules_etcd                               = var.defaultRules_etcd
+      defaultRules_k8s                                = var.defaultRules_k8s
+      defaultRules_kubeApiserver                      = var.defaultRules_kubeApiserver
+      defaultRules_kubeApiserverError                 = var.defaultRules_kubeApiserverError
+      defaultRules_kubeApiserverSlos                  = var.defaultRules_kubeApiserverSlos
+      defaultRules_kubePrometheusNodeAlerting         = var.defaultRules_kubePrometheusNodeAlerting
+      defaultRules_kubePrometheusNodeRecording        = var.defaultRules_kubePrometheusNodeRecording
+      defaultRules_kubeScheduler                      = var.defaultRules_kubeScheduler
+      defaultRules_kubernetesAbsent                   = var.defaultRules_kubernetesAbsent
+      defaultRules_kubernetesApps                     = var.defaultRules_kubernetesApps
+      defaultRules_kubernetesResources                = var.defaultRules_kubernetesResources
+      defaultRules_kubernetesStorage                  = var.defaultRules_kubernetesStorage
+      defaultRules_kubernetesSystem                   = var.defaultRules_kubernetesSystem
+      defaultRules_network                            = var.defaultRules_network
+      defaultRules_node                               = var.defaultRules_node
+      defaultRules_prometheus                         = var.defaultRules_prometheus
+      defaultRules_time                               = var.defaultRules_time
+      prometheusOperator_manageCrds                   = var.prometheusOperator_manageCrds
+      prometheusOperator_image_tag                    = var.prometheusOperator_image_tag
+      prometheus_prometheusSpec_image_tag             = var.prometheus_prometheusSpec_image_tag
+      prometheus_prometheusSpec_replicas              = var.prometheus_prometheusSpec_replicas
+      prometheus_prometheusSpec_ruleNamespaceSelector = var.prometheus_prometheusSpec_ruleNamespaceSelector
+      prometheus_service_type                         = var.prometheus_service_type
+      alertmanagerSpec_image_tag                      = var.alertmanagerSpec_image_tag
+      alertmanager_service_type                       = var.alertmanager_service_type
+      grafana_adminPassword                           = var.grafana_adminPassword
+      grafana_image_tag                               = var.grafana_image_tag
+      grafana_service_type                            = var.grafana_service_type
+      grafana_service_port                            = var.grafana_service_port
+
+    })
+  ]
+}

outputs.tf

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+# General rules
+defaultRules:
+    rules:
+        general: ${defaultRules_general}
+        PrometheusOperator: ${defaultRules_PrometheusOperator}
+        alertmanager: ${defaultRules_alertmanager}
+        etcd: ${defaultRules_etcd}
+        k8s: ${defaultRules_k8s}
+        kubeApiserver: ${defaultRules_kubeApiserver}
+        kubeApiserverError: ${defaultRules_kubeApiserverError}
+        kubeApiserverSlos: ${defaultRules_kubeApiserverSlos}
+        kubePrometheusNodeAlerting: ${defaultRules_kubePrometheusNodeAlerting}
+        kubePrometheusNodeRecording: ${defaultRules_kubePrometheusNodeRecording}
+        kubeScheduler: ${defaultRules_kubeScheduler}
+        kubernetesAbsent: ${defaultRules_kubernetesAbsent}
+        kubernetesApps: ${defaultRules_kubernetesApps}
+        kubernetesResources: ${defaultRules_kubernetesResources}
+        kubernetesStorage: ${defaultRules_kubernetesStorage}
+        kubernetesSystem: ${defaultRules_kubernetesSystem}
+        network: ${defaultRules_network}
+        node: ${defaultRules_node}
+        prometheus: ${defaultRules_prometheus}
+        time: ${defaultRules_time}
+
+# Prometheus-Operator
+prometheusOperator:
+    manageCrds: ${prometheusOperator_manageCrds}
+    image:
+        tag: ${prometheusOperator_image_tag}
+
+# Prometheus
+prometheus:
+    prometheusSpec:
+        image:
+            tag: ${prometheus_prometheusSpec_image_tag}
+        replicas: ${prometheus_prometheusSpec_replicas}
+        rule:
+            NamespaceSelector:
+                any: ${prometheus_prometheusSpec_ruleNamespaceSelector}
+    service:
+        type: ${prometheus_service_type}
+
+# Alertmanager
+alertmanager:
+    alertmanagerSpec:
+        image:
+            tag: ${alertmanagerSpec_image_tag}
+    service:
+        type: ${alertmanager_service_type}
+
+# Grafana
+grafana:
+    service:
+        port: ${grafana_service_port}
+        type: ${grafana_service_type}
+    adminPassword: ${grafana_adminPassword}
+    image:
+        tag: ${grafana_image_tag}