From 66f6bccf110f31b1b06b73b40affc8640f75b76b Mon Sep 17 00:00:00 2001
From: rpoluri <38321430+rpoluri@users.noreply.github.com>
Date: Tue, 6 Apr 2021 18:18:22 -0500
Subject: [PATCH] variable to configure k8s pod replicas (#85)

* variable to configure k8s pod replicas

* fix

* update type

* update README

Co-authored-by: Raj Poluri <rpoluri@expediagroup.com>
---
 CHANGELOG.md | 4 ++++
 README.md    | 1 +
 k8s.tf       | 2 +-
 variables.tf | 6 ++++++
 4 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bca6aad..6cdc4d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [3.3.3] - 2021-04-06
+### Added
+- Variable to configure k8s pod replicas.
+
 ## [3.3.2] - 2021-03-30
 ### Added
 - Fix alluxio path replacement regex to handle s3a:// and s3n:// urls.
diff --git a/README.md b/README.md
index c53769f..058d74f 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ For more information please refer to the main [Apiary](https://github.com/Expedi
 | instance_name | Waggle Dance instance name to identify resources in multi-instance deployments. | string | `` | no |
 | k8s_namespace | K8s namespace to create waggle-dance deployment.| string | ``| no |
 | k8s_docker_registry_secret | Docker Registry authentication K8s secret name.| string | ``| no |
+| k8s_replica_count | Number of k8s pod replicas to create. | number | `3` | no |
 | local_metastores | List of federated Metastore endpoints directly accessible on the local network. See section [`local_metastores`](#local_metastores) for more info.| list | `<list>` | no |
 | memory | The amount of memory (in MiB) used to allocate for the Waggle Dance container. Valid values: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-cpu-memory-error.html | string | `4096` | no |
 | primary_metastore_host | Primary Hive Metastore hostname configured in Waggle Dance. | string | `localhost` | no |
diff --git a/k8s.tf b/k8s.tf
index 67edcc5..192d895 100644
--- a/k8s.tf
+++ b/k8s.tf
@@ -19,7 +19,7 @@ resource "kubernetes_deployment" "waggle_dance" {
   }
 
   spec {
-    replicas = 3
+    replicas = var.k8s_replica_count
     selector {
       match_labels = {
         name = local.instance_alias
diff --git a/variables.tf b/variables.tf
index a83830d..d3980f6 100644
--- a/variables.tf
+++ b/variables.tf
@@ -57,6 +57,12 @@ variable "wd_ecs_task_count" {
   default     = "1"
 }
 
+variable "k8s_replica_count" {
+  description = "Number of k8s pod replicas to create."
+  type        = number
+  default     = 3
+}
+
 variable "vpc_id" {
   description = "VPC ID."
   type        = string