Adding storage modules

postgresql/postgresql.tf

@@ -0,0 +1,87 @@
+locals {
+  app_slug   = (var.component == var.instance || var.component=="") ? var.instance : format("%s-%s", var.component, var.instance)
+  pg-labels = merge(local.labels, {
+    "app.kubernetes.io/component" = "pg"
+  })
+  pool-labels = merge(local.labels, {
+    "app.kubernetes.io/component" = "pg-pool"
+  })
+}
+
+resource "kubectl_manifest" "prj_pg" {
+  yaml_body  = join("", concat([<<-EOF
+    apiVersion: postgresql.cnpg.io/v1
+    kind: Cluster
+    metadata:
+      name: "${local.app_slug}-pg"
+      namespace: "${var.namespace}"
+      labels: ${jsonencode(local.pg-labels)}
+      annotations:
+        "k8up.io/backupcommand": "pg_dump -U postgres -d ${var.component} --clean"
+        "k8up.io/file-extension": ".sql"
+    spec:
+      instances: ${var.replicas}
+      imageName: "${var.images.postgresql.registry}/${var.images.postgresql.repository}:${var.images.postgresql.tag}"
+      storage:
+        size: "${var.storage.size}"
+      bootstrap:
+        initdb:
+          database: "${var.component}"
+          owner: "${var.component}"
+      monitoring:
+        enablePodMonitor: true
+  EOF
+  ], var.backups.enable&&var.backups.use_barman?[<<-EOF
+      backup:
+        barmanObjectStore:
+          destinationPath: "s3://${var.app_slug}-${var.namespace}/"
+          endpointURL: "${var.backups.endpoint}/barman"
+          s3Credentials:
+            accessKeyId:
+              name: "${var.backups.secret_name}"
+              key: "${var.backups.key_id_key}"
+            secretAccessKey:
+              name: "${var.backups.secret_name}"
+              key: "${var.backups.secret_key}"
+  EOF
+  ]:[""]))
+}
+
+resource "kubectl_manifest" "prj_pg_backup" {
+  count = var.backups.enable ? 1:0
+  yaml_body  = <<-EOF
+    apiVersion: postgresql.cnpg.io/v1
+    kind: ScheduledBackup
+    metadata:
+      name: "${local.app_slug}-pg"
+      namespace: "${var.namespace}"
+      labels: ${jsonencode(local.pg-labels)}
+    spec:
+      schedule: "${var.backups.schedule.db}"
+      backupOwnerReference: self
+      cluster:
+        name: "${local.app_slug}-pg"
+  EOF
+}
+
+resource "kubectl_manifest" "prj_pg_pool" {
+  depends_on = [kubectl_manifest.prj_pg]
+  yaml_body  = <<-EOF
+    apiVersion: postgresql.cnpg.io/v1
+    kind: Pooler
+    metadata:
+      name: "${local.app_slug}-pool"
+      namespace: "${var.namespace}"
+      labels: ${jsonencode(local.pool-labels)}
+    spec:
+      cluster:
+        name: "${local.app_slug}-pg"
+      instances: 1
+      type: rw
+      pgbouncer:
+        poolMode: session
+        parameters:
+          max_client_conn: "1000"
+          default_pool_size: "10"
+  EOF
+}