Merge pull request #165 from junior/feature/use_existent_oke

Feature/use existent oke

Author: junior

deploy/complete/terraform/VERSION

@@ -1 +1 @@
-2.0.1
+2.0.2

deploy/complete/terraform/datasources.tf

@@ -19,7 +19,7 @@ data "oci_identity_availability_domains" "ADs" {
 
 # Gets kubeconfig
 data "oci_containerengine_cluster_kube_config" "oke_cluster_kube_config" {
-  cluster_id = oci_containerengine_cluster.oke_mushop_cluster.id
+  cluster_id = var.create_new_oke_cluster ? oci_containerengine_cluster.oke_mushop_cluster[0].id : var.existent_oke_cluster_id
 }
 
 
@@ -37,7 +37,7 @@ locals {
 ## Kubernetes Service: mushop-utils-ingress-nginx-controller
 data "kubernetes_service" "mushop_ingress" {
   metadata {
-    name      = "mushop-utils-ingress-nginx-controller" # mushop-utils included to be backwards compatible to the docs and setup chart install
+    name      = "mushop-utils-ingress-nginx-controller" # mushop-utils name included to be backwards compatible to the docs and setup chart install
     namespace = kubernetes_namespace.mushop_utilities_namespace.id
   }
   depends_on = [helm_release.ingress-nginx]

deploy/complete/terraform/oke-network.tf

@@ -7,79 +7,91 @@ resource "oci_core_virtual_network" "oke_mushop_vcn" {
   compartment_id = var.compartment_ocid
   display_name   = "OKE MuShop VCN - ${random_string.deploy_id.result}"
   dns_label      = "oke${random_string.deploy_id.result}"
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_subnet" "oke_mushop_subnet" {
   cidr_block                 = lookup(var.network_cidrs, "SUBNET-REGIONAL-CIDR")
   compartment_id             = var.compartment_ocid
   display_name               = "oke-mushop-subnet-${random_string.deploy_id.result}"
   dns_label                  = "okesubnet${random_string.deploy_id.result}"
-  vcn_id                     = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id                     = oci_core_virtual_network.oke_mushop_vcn[0].id
   prohibit_public_ip_on_vnic = (var.cluster_visibility == "Private") ? true : false
-  route_table_id             = oci_core_route_table.oke_mushop_route_table.id
-  dhcp_options_id            = oci_core_virtual_network.oke_mushop_vcn.default_dhcp_options_id
-  security_list_ids          = [oci_core_security_list.oke_mushop_security_list.id]
+  route_table_id             = oci_core_route_table.oke_mushop_route_table[0].id
+  dhcp_options_id            = oci_core_virtual_network.oke_mushop_vcn[0].default_dhcp_options_id
+  security_list_ids          = [oci_core_security_list.oke_mushop_security_list[0].id]
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_subnet" "oke_mushop_lb_subnet" {
   cidr_block                 = lookup(var.network_cidrs, "LB-SUBNET-REGIONAL-CIDR")
   compartment_id             = var.compartment_ocid
   display_name               = "oke-mushop-lb-subnet-${random_string.deploy_id.result}"
   dns_label                  = "okelbsubnet${random_string.deploy_id.result}"
-  vcn_id                     = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id                     = oci_core_virtual_network.oke_mushop_vcn[0].id
   prohibit_public_ip_on_vnic = false
-  route_table_id             = oci_core_route_table.oke_mushop_lb_route_table.id
-  dhcp_options_id            = oci_core_virtual_network.oke_mushop_vcn.default_dhcp_options_id
-  security_list_ids          = [oci_core_security_list.oke_mushop_lb_security_list.id]
+  route_table_id             = oci_core_route_table.oke_mushop_lb_route_table[0].id
+  dhcp_options_id            = oci_core_virtual_network.oke_mushop_vcn[0].default_dhcp_options_id
+  security_list_ids          = [oci_core_security_list.oke_mushop_lb_security_list[0].id]
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_route_table" "oke_mushop_route_table" {
   compartment_id = var.compartment_ocid
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
   display_name   = "oke-mushop-route-table-${random_string.deploy_id.result}"
 
   route_rules {
     destination       = lookup(var.network_cidrs, "ALL-CIDR")
     destination_type  = "CIDR_BLOCK"
-    network_entity_id = (var.cluster_visibility == "Private") ? oci_core_nat_gateway.oke_mushop_nat_gateway[0].id : oci_core_internet_gateway.oke_mushop_internet_gateway.id
+    network_entity_id = (var.cluster_visibility == "Private") ? oci_core_nat_gateway.oke_mushop_nat_gateway[0].id : oci_core_internet_gateway.oke_mushop_internet_gateway[0].id
   }
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_route_table" "oke_mushop_lb_route_table" {
   compartment_id = var.compartment_ocid
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
   display_name   = "oke-mushop-lb-route-table-${random_string.deploy_id.result}"
 
   route_rules {
     destination       = lookup(var.network_cidrs, "ALL-CIDR")
     destination_type  = "CIDR_BLOCK"
-    network_entity_id = oci_core_internet_gateway.oke_mushop_internet_gateway.id
+    network_entity_id = oci_core_internet_gateway.oke_mushop_internet_gateway[0].id
   }
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_nat_gateway" "oke_mushop_nat_gateway" {
   block_traffic  = "false"
   compartment_id = var.compartment_ocid
   display_name   = "oke-mushop-nat-gateway-${random_string.deploy_id.result}"
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
 
-  count = (var.cluster_visibility == "Private") ? 1 : 0
+  count = var.create_new_oke_cluster ? ((var.cluster_visibility == "Private") ? 1 : 0) : 0
 }
 
 resource "oci_core_internet_gateway" "oke_mushop_internet_gateway" {
   compartment_id = var.compartment_ocid
   display_name   = "oke-mushop-internet-gateway-${random_string.deploy_id.result}"
   enabled        = true
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_core_service_gateway" "oke_mushop_service_gateway" {
   compartment_id = var.compartment_ocid
   display_name   = "oke-mushop-service-gateway-${random_string.deploy_id.result}"
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
   services {
     service_id = lookup(data.oci_core_services.all_services.services[0], "id")
   }
 
-  count = var.mushop_mock_mode_all ? 0 : 1
+  count = var.create_new_oke_cluster ? (var.mushop_mock_mode_all ? 0 : 1) : 0
 }

deploy/complete/terraform/oke-securitylists.tf

@@ -5,7 +5,7 @@
 resource oci_core_security_list oke_mushop_security_list {
   compartment_id = var.compartment_ocid
   display_name   = "oke-mushop-wkr-seclist-${random_string.deploy_id.result}"
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
 
   egress_security_rules {
     destination      = lookup(var.network_cidrs, "SUBNET-REGIONAL-CIDR")
@@ -46,12 +46,13 @@ resource oci_core_security_list oke_mushop_security_list {
     }
   }
 
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource oci_core_security_list oke_mushop_lb_security_list {
   compartment_id = var.compartment_ocid
   display_name   = "oke-mushop-wkr-lb-seclist-${random_string.deploy_id.result}"
-  vcn_id         = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id         = oci_core_virtual_network.oke_mushop_vcn[0].id
 
   egress_security_rules {
     destination      = lookup(var.network_cidrs, "ALL-CIDR")
@@ -66,4 +67,6 @@ resource oci_core_security_list oke_mushop_lb_security_list {
     protocol    = "6"
     stateless   = true
   }
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }

deploy/complete/terraform/oke.tf

@@ -6,10 +6,10 @@ resource "oci_containerengine_cluster" "oke_mushop_cluster" {
   compartment_id     = var.compartment_ocid
   kubernetes_version = var.k8s_version
   name               = "${var.cluster_name}-${random_string.deploy_id.result}"
-  vcn_id             = oci_core_virtual_network.oke_mushop_vcn.id
+  vcn_id             = oci_core_virtual_network.oke_mushop_vcn[0].id
 
   options {
-    service_lb_subnet_ids = [oci_core_subnet.oke_mushop_lb_subnet.id]
+    service_lb_subnet_ids = [oci_core_subnet.oke_mushop_lb_subnet[0].id]
     add_ons {
       is_kubernetes_dashboard_enabled = var.cluster_options_add_ons_is_kubernetes_dashboard_enabled
       is_tiller_enabled               = false # Default is false, left here for reference
@@ -18,10 +18,12 @@ resource "oci_containerengine_cluster" "oke_mushop_cluster" {
       is_pod_security_policy_enabled = var.cluster_options_admission_controller_options_is_pod_security_policy_enabled
     }
   }
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 resource "oci_containerengine_node_pool" "oke_mushop_node_pool" {
-  cluster_id         = oci_containerengine_cluster.oke_mushop_cluster.id
+  cluster_id         = oci_containerengine_cluster.oke_mushop_cluster[0].id
   compartment_id     = var.compartment_ocid
   kubernetes_version = var.k8s_version
   name               = var.node_pool_name
@@ -34,7 +36,7 @@ resource "oci_containerengine_node_pool" "oke_mushop_node_pool" {
 
       content {
         availability_domain = placement_configs.value.name
-        subnet_id           = oci_core_subnet.oke_mushop_subnet.id
+        subnet_id           = oci_core_subnet.oke_mushop_subnet[0].id
       }
     }
     size = var.num_pool_workers
@@ -50,6 +52,8 @@ resource "oci_containerengine_node_pool" "oke_mushop_node_pool" {
     key   = "name"
     value = var.node_pool_name
   }
+
+  count = var.create_new_oke_cluster ? 1 : 0
 }
 
 # Local kubeconfig for when using Terraform locally. Not used by Oracle Resource Manager

deploy/complete/terraform/schema.yaml

@@ -20,18 +20,22 @@ variableGroups:
     - tenancy_ocid
     - region
     visible: false
-  - title: "General Configuration"
+  - title: "OKE General Configuration"
     variables:
+    - create_new_oke_cluster
+    - existent_oke_cluster_id
     - cluster_name
     - k8s_version
     - cluster_visibility
     visible: true
-  - title: "Worker Nodes"
+  - title: "OKE Worker Nodes"
     variables:
     - node_pool_shape
     - num_pool_workers
     - node_pool_name
-    visible: true
+    visible: #($create_new_oke_cluster = true)
+      and:
+        - create_new_oke_cluster
   - title: "Add Ons"
     variables:
     - cluster_options_add_ons_is_kubernetes_dashboard_enabled
@@ -99,11 +103,28 @@ variables:
     description: "The compartment in which to create compute instance(s)"
     required: true
 
+  create_new_oke_cluster:
+    type: boolean
+    title: "Create new OKE Cluster"
+    description: "Creates a new OKE cluster, node pool and network resources"
+
+  existent_oke_cluster_id:
+    type: string
+    title: "OKE Cluster id"
+    description: "Cluster Id of the existent OKE"
+    required: true
+    visible: #($create_new_oke_cluster = false)
+      not:
+        - create_new_oke_cluster
+
   cluster_name:
     type: string
     title: "Cluster Name Prefix"
     description: "OKE cluster name prefix"
     required: true
+    visible: #($create_new_oke_cluster = true)
+      and:
+        - create_new_oke_cluster
 
   k8s_version:
     type: enum
@@ -113,6 +134,9 @@ variables:
     title: "Kubernetes Version"
     description: "Kubernetes version installed on your master and worker nodes"
     required: true
+    visible: #($create_new_oke_cluster = true)
+      and:
+        - create_new_oke_cluster
 
   cluster_visibility:
     type: enum
@@ -122,6 +146,9 @@ variables:
     title: "Choose visibility type"
     description: "The Kubernetes worker nodes that are created will be hosted in public or private subnet(s)"
     required: true
+    visible: #($create_new_oke_cluster = true)
+      and:
+        - create_new_oke_cluster
 
   node_pool_shape:
     type: oci:core:instanceshape:name
@@ -140,18 +167,21 @@ variables:
     required: true
 
   node_pool_name:
-    visible: #($show_advanced  == ""Yes"")
-      eq:
-        - show_advanced 
-        - "Yes"
     type: string
     title: "Node Pool Name"
     description: "Name of the node pool"
     required: true
+    visible: #($show_advanced  == ""Yes"")
+      eq:
+        - show_advanced 
+        - "Yes"
 
   cluster_options_add_ons_is_kubernetes_dashboard_enabled:
     type: boolean
     title: "Kubernetes Dashboard Enabled"
+    visible: #($create_new_oke_cluster = true)
+      and:
+        - create_new_oke_cluster
 
   # Advanced Options
   show_advanced:
@@ -164,48 +194,48 @@ variables:
     required: true
 
   generate_public_ssh_key:
+    type: boolean
+    title: "Auto generate public ssh key?"
+    required: true
     visible: #($show_advanced  == ""Yes"")
       eq:
         - show_advanced 
         - "Yes"
-    type: boolean
-    title: "Auto generate public ssh key?"
-    required: true
 
   public_ssh_key:
+    type: string
+    title: "Input SSH public key"
+    description: "In order to access your private nodes with a public SSH key you will need to set up a bastion host (a.k.a. jump box). If using public nodes, bastion is not needed. Left blank to not import keys."
+    required: false
     visible: #($show_advanced  == ""Yes"") + ($generate_public_ssh_key  == "false")
       and:
         - eq:
           - show_advanced 
           - "Yes"
         - not:
           - generate_public_ssh_key
-    type: string
-    title: "Input SSH public key"
-    description: "In order to access your private nodes with a public SSH key you will need to set up a bastion host (a.k.a. jump box). If using public nodes, bastion is not needed. Left blank to not import keys."
-    required: false
 
   image_operating_system:
-    visible: #($show_advanced  == ""Yes"")
-      eq:
-        - show_advanced 
-        - "Yes"
     type: enum
     title: "Image OS"
     description: "The OS/image installed on all nodes in the node pool."
     enum:
       - "Oracle Linux"
     required: true
-
-  image_operating_system_version:
     visible: #($show_advanced  == ""Yes"")
       eq:
         - show_advanced 
         - "Yes"
+
+  image_operating_system_version:
     type: string
     required: true
     title: "Image OS Version"
-    description: "The OS/image version installed on all nodes in the node pool."    
+    description: "The OS/image version installed on all nodes in the node pool."
+    visible: #($show_advanced  == ""Yes"")
+      eq:
+        - show_advanced 
+        - "Yes"
 
   mushop_mock_mode_all:
     visible: yes

deploy/complete/terraform/terraform.tfvars.example

@@ -12,12 +12,17 @@ user_ocid = ""  # e.g.: "ocid1.user..." or leave blank if using CloudShell
 # region
 region = "us-ashburn-1"
 
-# cluster_visibility
+# OKE Cluster
+## cluster_visibility
 cluster_visibility = "Private"
+## create_new_oke_cluster
+create_new_oke_cluster = true
+existent_oke_cluster_id         = ""  # e.g.: ocid1.cluster.oc1.i...
 
 # public_ssh_key
 generate_public_ssh_key = true # if true, auto generate public and private keys and assign to the node pool.
 public_ssh_key = "" # if generate_public_ssh_key=true, public_ssh_key is ignored. if generate_public_ssh_key=false, assign public_ssh_key, that can be nothing if ""
 
 # MuShop
+## Enable Mock Mode
 mushop_mock_mode_all = false # Set to true if do not want to provision ATP, ObjectStorage and mock all services