Merge pull request #8 from paliwalparitosh/main

terraform module for helm-chart deployment

Author: santhoshkvuda

logan/terraform/oke/helm.tf

@@ -0,0 +1,45 @@
+
+resource "helm_release" "oci-kubernetes-monitoring" {
+  name  = "oci-kubernetes-monitoring"
+  chart = "${path.module}/../../helm-chart"
+
+  set {
+    name  = "image.url"
+    value = var.container_image_url
+  }
+
+  set {
+    name  = "kubernetesClusterName"
+    value = var.oke_cluster_name
+  }
+
+  set {
+    name  = "kubernetesClusterID"
+    value = var.oke_cluster_ocid
+  }
+
+  set {
+    name  = "namespace"
+    value = var.kubernetes_namespace
+  }
+
+  set {
+    name  = "ociLANamespace"
+    value = var.oci_la_namespace
+  }
+
+  set {
+    name  = "ociLALogGroupID"
+    value = var.oci_la_logGroup_id
+  }
+
+  set {
+    name  = "ociCompartmentID"
+    value = var.oke_cluster_compartment
+  }
+
+  set {
+    name  = "fluentd.baseDir"
+    value = var.fluentd_baseDir_path
+  }
+}

logan/terraform/oke/inputs.tf

@@ -0,0 +1,59 @@
+# When defined in the Terraform configuration, the following variables automatically prepopulate with values on the Console pages used to create and edit the stack. 
+# The stack's values are used when you select the Terraform actions Plan, Apply, and Destroy.
+# - tenancy_ocid (tenancy OCID)
+# - region (region)
+#
+# Ref - https://docs.oracle.com/en-us/iaas/Content/ResourceManager/Concepts/terraformconfigresourcemanager_topic-schema.htm#console-howto__prepop
+
+
+variable "tenancy_ocid" {
+  type = string
+}
+
+variable "region" {
+  type = string
+}
+
+####
+##  Inputs for deploying helm-chart
+####
+
+# OKE Cluster Compartment
+variable "oke_cluster_compartment" {
+  type = string
+}
+
+# OKE Cluster OCID
+variable "oke_cluster_ocid" {
+  type = string
+}
+
+# OKE Cluster Name
+variable "oke_cluster_name" {
+  type = string
+}
+
+# OCI LA Fluentd Container Image
+variable "container_image_url" {
+  type = string
+}
+
+# Kubernetes Namespace
+variable "kubernetes_namespace" {
+  type = string
+}
+
+# Fluentd Base Directory
+variable "fluentd_baseDir_path" {
+  type = string
+}
+
+# OCI Logging Analytics Namespace
+variable "oci_la_namespace" {
+  type = string
+}
+
+# OCI Logging Analytics LogGroup OCID
+variable "oci_la_logGroup_id" {
+  type = string
+}

logan/terraform/oke/oke.tf

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+data "oci_containerengine_cluster_kube_config" "oke" {
+  cluster_id = var.oke_cluster_ocid
+}
+
+# kubeconfig when using Terraform locally. Not used by Oracle Resource Manager
+resource "local_file" "oke_kubeconfig" {
+  content  = data.oci_containerengine_cluster_kube_config.oke.content
+  filename = "${path.module}/kubeconfig"
+}

logan/terraform/oke/providers.tf

@@ -0,0 +1,27 @@
+# Update this oci provider when using terraform locally to have all other relevent fields set
+# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformproviderconfiguration.htm
+provider "oci" {
+  tenancy_ocid = var.tenancy_ocid
+  region       = var.region
+}
+
+# https://docs.cloud.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengdownloadkubeconfigfile.htm#notes
+provider "helm" {
+  kubernetes {
+    host                   = local.cluster_endpoint
+    cluster_ca_certificate = local.cluster_ca_certificate
+    exec {
+      api_version = "client.authentication.k8s.io/v1beta1"
+      args        = ["ce", "cluster", "generate-token", "--cluster-id", local.cluster_id, "--region", local.cluster_region]
+      command     = "oci"
+    }
+  }
+}
+
+
+locals {
+  cluster_endpoint       = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["clusters"][0]["cluster"]["server"]
+  cluster_ca_certificate = base64decode(yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["clusters"][0]["cluster"]["certificate-authority-data"])
+  cluster_id             = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["users"][0]["user"]["exec"]["args"][4]
+  cluster_region         = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["users"][0]["user"]["exec"]["args"][6]
+}

logan/terraform/oke/schema.yaml

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+title: OCI Kubernetes Monitoring Solution
+description: Monitoring Solution for Kubernetes offered by OCI Logging Analytics
+informationalText: Monitoring Solution for Kubernetes offered by OCI Logging Analytics
+schemaVersion: 1.1.0
+version: "20221004"
+
+# URL of Logo Icon used on Application Information tab. Logo must be 130x130 pixels.
+# (Optional)
+#logoUrl: https://cloudmarketplace.oracle.com/marketplace/content?contentId=53066708
+
+source:
+  type: quickstart
+
+locale: "en"
+
+variableGroups:
+  - title: "Defualt inputs"
+    variables:
+      - tenancy_ocid
+      - region
+    visible: false
+
+  - title: "OKE Cluster Information"
+    variables:
+      - oke_cluster_compartment
+      - oke_cluster_ocid
+      - oke_cluster_name
+      - container_image_url
+      - kubernetes_namespace
+
+  - title: "OCI Logging Analytics Information"
+    variables:
+    - oci_la_namespace
+    - oci_la_logGroup_id
+
+  - title: "Fluentd Configuration"
+    variables:
+      - fluentd_baseDir_path
+
+variables:
+  oke_cluster_compartment:
+    type: oci:identity:compartment:id
+    required: true    
+    title: OKE Cluster Compartment
+    default: compartment_ocid
+
+  oke_cluster_ocid:
+    type: oci:container:cluster:id
+    dependsOn:
+      compartmentId: ${oke_cluster_compartment}
+    title: OKE Cluster
+    required: true
+
+  # string field
+  oke_cluster_name:
+    type: string
+    minLength: 1
+    maxLength: 255
+    title: OKE Cluster Name
+    required: true
+
+  # string field
+  container_image_url:
+    type: string
+    minLength: 1
+    maxLength: 255
+    title: OCI LA Fluentd Container Image
+    description: Image URL of OCI LA Fluentd Container
+    required: true
+
+  # string field
+  kubernetes_namespace:
+    type: string
+    minLength: 1
+    maxLength: 255
+    title: Kubernetes Namespace
+    description: Kubernetes Namespace in which the monitoring solution to be deployed
+    default: kube-system
+    required: true
+
+  # string field
+  fluentd_baseDir_path:
+    type: string
+    maxLength: 255
+    minLength: 1
+    title: Fluentd Base Directory
+    description: Base directory on the node (with read write permission) to store fluentd plugin's related data
+    default: /var/log
+    required: true
+
+  # string field
+  oci_la_namespace:
+    type: string
+    maxLength: 40
+    minLength: 1
+    title: OCI Logging Analytics Namespace
+    required: true
+
+  # string field
+  oci_la_logGroup_id:
+    type: string
+    maxLength: 255
+    minLength: 1
+    title: OCI Logging Analytics LogGroup OCID
+    description: The LogGroup in which the collected log data to be stored
+    required: true