Initial skeleton

.gitignore

@@ -25,4 +25,3 @@ override.tf.json
 # Include override files you do wish to add to version control using negated pattern
 #
 # !example_override.tf
-

.pre-commit-config.yaml

@@ -0,0 +1,14 @@
+repos:
+- repo: git://github.com/antonbabenko/pre-commit-terraform
+  rev: v1.17.0
+  hooks:
+    - id: terraform_fmt
+    - id: terraform_docs
+- repo: git://github.com/pre-commit/pre-commit-hooks
+  rev: v2.1.0
+  hooks:
+    - id: check-merge-conflict
+    - id: trailing-whitespace
+    - id: end-of-file-fixer
+    - id: check-added-large-files
+    - id: detect-private-key

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) <year> <copyright holders>
+Copyright (c) 2019 FXinnovation Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,3 +1,7 @@
 # terraform-module-kubernetes-alertmanager-webhook-servicenow
 
-Terraform module to deploy alertmanager webhook servicenow on kubernetes.
+Terraform module to deploy alertmanager webhook servicenow on kubernetes.
+
+<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

main.tf

@@ -0,0 +1,213 @@
+#####
+# Locals
+#####
+
+locals {
+  application_version = ""
+  labels = {
+    "app.kubernetes.io/name"       = "alertmanager-webhook-servicenow"
+    "app.kubernetes.io/component"  = "exporter"
+    "app.kubernetes.io/part-of"    = "monitoring"
+    "app.kubernetes.io/managed-by" = "terraform"
+    "app.kubernetes.io/version"    = local.application_version
+  }
+}
+
+#####
+# Randoms
+#####
+
+resource "random_string" "selector" {
+  special = false
+  upper   = false
+  number  = false
+  length  = 8
+}
+
+#####
+# Deployment
+#####
+
+resource "kubernetes_deployment" "this" {
+  count = var.enabled ? 1 : 0
+
+  metadata {
+    name      = var.deployment_name
+    namespace = var.namespace
+    annotations = merge(
+      var.annotations,
+      var.deployment_annotations
+    )
+    labels = merge(
+      {
+        "app.kubernetes.io/instance" = var.deployment_name
+      },
+      local.labels,
+      var.labels,
+      var.deployment_labels
+    )
+  }
+
+  spec {
+    replicas = var.replicas
+    selector {
+      match_labels = {
+        app = random_string.selector.result
+      }
+    }
+    template {
+      metadata {
+        annotations = merge(
+          var.annotations,
+          var.deployment_annotations
+        )
+        labels = merge(
+          {
+            "app.kubernetes.io/instance" = var.deployment_name
+            app                          = random_string.selector.result
+          },
+          local.labels,
+          var.labels,
+          var.deployment_labels
+        )
+      }
+      spec {
+        volume {
+          name = "configuration-volume"
+          config_map {
+            name = element(concat(kubernetes_config_map.this.*.metadata.0.name, list("")), 0)
+          }
+        }
+
+        container {
+          name              = "alertmanager-webhook-servicenow"
+          image             = "fxinnovation/:${local.application_version}"
+          image_pull_policy = var.image_pull_policy
+
+          volume_mount {
+            name       = "configuration-volume"
+            mount_path = "/data"
+          }
+
+          port {
+            name           = "http"
+            container_port = 9876
+            protocol       = "TCP"
+          }
+
+          env {
+            name = "AWSN_SERVICE_NOW_INSTANCE_NAME"
+            value_from {
+              secret_key_ref {
+                name = element(concat(kubernetes_secret.this.*.metadata.0.name, list("")), 0)
+                key  = "instance_name"
+              }
+            }
+          }
+
+          env {
+            name = "AWSN_SERVICE_NOW_USER_NAME"
+            value_from {
+              secret_key_ref {
+                name = element(concat(kubernetes_secret.this.*.metadata.0.name, list("")), 0)
+                key  = "user_name"
+              }
+            }
+          }
+
+          env {
+            name = "AWSN_SERVICE_NOW_PASSWORD"
+            value_from {
+              secret_key_ref {
+                name = element(concat(kubernetes_secret.this.*.metadata.0.name, list("")), 0)
+                key  = "password"
+              }
+            }
+          }
+
+          resources {
+            requests {
+              memory = "64Mi"
+              cpu    = "50m"
+            }
+            limits {
+              memory = "128Mi"
+              cpu    = "100m"
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+#####
+# Service
+#####
+
+resource "kubernetes_service" "this" {
+  count = var.enabled ? 1 : 0
+
+  metadata {
+    name      = var.service_name
+    namespace = var.namespace
+    annotations = merge(
+      var.annotations,
+      var.service_annotations
+    )
+    labels = merge(
+      {
+        "app.kubernetes.io/instance" = var.service_name
+      },
+      local.labels,
+      var.labels,
+      var.service_labels
+    )
+  }
+
+  spec {
+    selector = {
+      app = random_string.selector.result
+    }
+    type = "ClusterIP"
+    port {
+      port        = var.port
+      target_port = "http"
+      protocol    = "TCP"
+      name        = "http"
+    }
+  }
+}
+
+#####
+# ConfigMap
+#####
+
+resource "kubernetes_config_map" "this" {
+  count = var.enabled ? 1 : 0
+
+  metadata {
+    name      = var.config_map_name
+    namespace = var.namespace
+    annotations = merge(
+      var.annotations,
+      var.config_map_annotations
+    )
+    labels = merge(
+      {
+        "app.kubernetes.io/instance" = var.config_map_name
+      },
+      local.labels,
+      var.labels,
+      var.config_map_labels
+    )
+  }
+
+  data = {
+    "configuration.yaml" = local.configuration_yaml
+  }
+}
+
+#####
+# Secret
+#####