From fe0c8fd99264f9dec35a6dde322dff8fe407f8a3 Mon Sep 17 00:00:00 2001
From: Janibasha <m.janibasha@f5.com>
Date: Fri, 8 Nov 2024 09:44:05 +0530
Subject: [PATCH] added lb code

---
 .../terraform/managed_k8s.tf                  |  2 +-
 .../terraform/outputs.tf                      |  6 +-
 .../terraform/versions.tf                     |  4 -
 .../terraform/xc_loadbalancer.tf              | 79 +++++++++++++++++++
 4 files changed, 83 insertions(+), 8 deletions(-)
 create mode 100644 workflow-guides/smcn/genai-inference-at-the-edge/terraform/xc_loadbalancer.tf

diff --git a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/managed_k8s.tf b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/managed_k8s.tf
index 0d19a69e0..4bb63e373 100644
--- a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/managed_k8s.tf
+++ b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/managed_k8s.tf
@@ -1,5 +1,5 @@
 resource "volterra_k8s_cluster" "mk8s" {
-  name                                = format("%s-xcop", var.project_prefix)
+  name                                = format("%s-mk8s", var.project_prefix)
   namespace                           = "system"
   use_default_cluster_role_bindings   = true
   use_default_cluster_roles           = true
diff --git a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/outputs.tf b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/outputs.tf
index 742854a60..71ccc7c7d 100644
--- a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/outputs.tf
+++ b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/outputs.tf
@@ -1,6 +1,6 @@
-#output "xc_lb_name" {
-#  value = nonsensitive(volterra_http_loadbalancer.lb_https.name)
-#}
+output "xc_lb_name" {
+  value = nonsensitive(volterra_http_loadbalancer.lb_https.name)
+}
 
 output "endpoint" {
   value = var.app_domain
diff --git a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/versions.tf b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/versions.tf
index 394dafc1a..a8c20c05d 100644
--- a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/versions.tf
+++ b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/versions.tf
@@ -5,9 +5,5 @@ terraform {
       source = "volterraedge/volterra"
       version = ">= 0.11.34"
     }
-      azurerm = {
-      source  = "hashicorp/azurerm"
-      version = ">=3.18.0"
-    }
   }
 }
diff --git a/workflow-guides/smcn/genai-inference-at-the-edge/terraform/xc_loadbalancer.tf b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/xc_loadbalancer.tf
new file mode 100644
index 000000000..2f3f9d0e4
--- /dev/null
+++ b/workflow-guides/smcn/genai-inference-at-the-edge/terraform/xc_loadbalancer.tf
@@ -0,0 +1,79 @@
+# Wait for appstack CE site creation
+resource "null_resource" "wait_for_aws_ce_site"{
+  count           =  var.user_site ? 1 : 0
+  depends_on      =  [volterra_tf_params_action.apply_aws_vpc]
+}
+
+# Create XC LB config
+resource "volterra_origin_pool" "op" {
+  depends_on             = [null_resource.wait_for_aws_ce_site]
+  name                   = format("%s-xcop", var.project_prefix)
+  namespace              = var.xc_namespace
+  description            = format("Origin pool pointing to origin server for %s", var.project_prefix)
+
+  dynamic "origin_servers" {
+    for_each = var.k8s_pool ? [1] : []
+    content {
+    k8s_service {
+      service_name  = var.serviceName
+      vk8s_networks = true
+      outside_network = true
+      site_locator {
+        site {
+          name      = var.site_name
+          namespace = "system"
+          tenant    = var.xc_tenant
+          }
+        }
+      }
+    }
+  }
+
+  no_tls                  = true
+  port                    = var.serviceport
+  endpoint_selection      = "LOCAL_PREFERRED"
+  loadbalancer_algorithm  = "LB_OVERRIDE"
+}
+
+resource "volterra_http_loadbalancer" "lb_https" {
+  depends_on             = [volterra_origin_pool.op]
+  name                   = format("%s-xclb", var.project_prefix)
+  namespace              = var.xc_namespace
+  description            = format("HTTP loadbalancer object for %s origin server", var.project_prefix)
+  domains                = [var.app_domain]
+  advertise_on_public_default_vip = true
+
+  dynamic "https_auto_cert" {
+    for_each = var.http_only ? [] : [1]
+    content {
+      add_hsts              = false
+      http_redirect         = true
+      no_mtls               = true
+      enable_path_normalize = true
+      tls_config {
+        default_security = true
+      }
+    }
+  }
+
+  default_route_pools {
+    pool {
+      name = volterra_origin_pool.op.name
+      namespace = var.xc_namespace
+    }
+    weight = 1
+}
+
+  disable_waf                     = false
+  round_robin                     = true
+  service_policies_from_namespace = true
+  user_id_client_ip = true
+  source_ip_stickiness = true
+
+  dynamic "more_option" {
+    for_each = var.k8s_pool ? [1] : []
+      content {
+        idle_timeout = 600000
+      }
+    }
+}