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paliwalparitoshpaliwalparitosh
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init: helm-chart deployment via terraform
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‎logan/terraform/helm.tf‎

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resource "helm_release" "la-release" {
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name = "my-la-release"
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chart = "${path.module}/../helm-chart"
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#repository = "https://github.com/oracle-quickstart/oci-kubernetes-monitoring"
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set {
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name = "image.url"
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value = var.oke_containerImage_url
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}
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set {
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name = "kubernetesClusterName"
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value = var.oke_cluster_name
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}
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set {
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name = "kubernetesClusterID"
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value = var.oke_cluster_ocid
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}
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set {
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name = "namespace"
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value = var.oke_namespace
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}
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set {
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name = "ociLANamespace"
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value = var.la_namespace
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}
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set {
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name = "ociLALogGroupID"
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value = var.la_logGroup_id
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}
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set {
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name = "ociCompartmentID"
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value = var.oke_cluster_compartment
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}
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set {
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name = "fluentd.baseDir"
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value = var.fluentd_baseDir_path
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}
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}

‎logan/terraform/inputs.tf‎

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# When defined in the Terraform configuration,
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# the following variables automatically prepopulate with values on the Console pages used to create and edit the stack.
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# The stack's values are used when you select the Terraform actions Plan, Apply, and Destroy.
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# - tenancy_ocid (tenancy OCID)
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# - compartment_ocid (compartment OCID)
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# - region (region)
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# - current_user_ocid (OCID of the current user)
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#
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# Ref - https://docs.oracle.com/en-us/iaas/Content/ResourceManager/Concepts/terraformconfigresourcemanager_topic-schema.htm#console-howto__prepop
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variable "tenancy_ocid" {
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type = string
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}
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variable "compartment_ocid" {
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type = string
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}
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variable "region" {
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type = string
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}
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variable "current_user_ocid" {
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type = string
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}
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####
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## Inputs for HelmChart deployment in OKE Cluster Deployment
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####
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# OKE Cluster Compartment
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variable "oke_cluster_compartment" {
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type = string
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}
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# OKE Cluster OCID
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variable "oke_cluster_ocid" {
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type = string
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}
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# OKE Cluster Name
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variable "oke_cluster_name" {
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type = string
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}
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# OKE Container Image URL
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variable "oke_containerImage_url" {
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type = string
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}
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# OKE Namespace
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variable "oke_namespace" {
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type = string
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}
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# fluentd base direcotry path
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variable "fluentd_baseDir_path" {
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type = string
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}
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# Logging Analytics namespace
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variable "la_namespace" {
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type = string
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}
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# Logging Analytics LogGroupID
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variable "la_logGroup_id" {
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type = string
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}

‎logan/terraform/oke.tf‎

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

‎logan/terraform/outputs.tf‎

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# Test Output
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output "test_output" {
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value = "Test Output"
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}

‎logan/terraform/providers.tf‎

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provider "oci" {
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tenancy_ocid = var.tenancy_ocid
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region = var.region
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}
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# https://docs.cloud.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengdownloadkubeconfigfile.htm#notes
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provider "helm" {
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kubernetes {
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host = local.cluster_endpoint
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cluster_ca_certificate = local.cluster_ca_certificate
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exec {
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api_version = "client.authentication.k8s.io/v1beta1"
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args = ["ce", "cluster", "generate-token", "--cluster-id", local.cluster_id, "--region", local.cluster_region]
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command = "oci"
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}
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}
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}
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locals {
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cluster_endpoint = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["clusters"][0]["cluster"]["server"]
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cluster_ca_certificate = base64decode(yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["clusters"][0]["cluster"]["certificate-authority-data"])
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cluster_id = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["users"][0]["user"]["exec"]["args"][4]
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cluster_region = yamldecode(data.oci_containerengine_cluster_kube_config.oke.content)["users"][0]["user"]["exec"]["args"][6]
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}

‎logan/terraform/schema.yaml‎

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# Title shown in Application Information tab.
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title: Logging Analytics HelmChart Deployment to OKE Cluster
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# Sub Title shown in Application Information tab.
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description: Deploy Logging Analytics Helm Chart to monitor OKE cluster logs
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informationalText: Deploy Logging Analytics Helm Chart to monitor OKE cluster logs
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schemaVersion: 1.1.0
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version: "20221003"
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# URL of Logo Icon used on Application Information tab. Logo must be 130x130 pixels.
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# (Optional)
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#logoUrl: https://cloudmarketplace.oracle.com/marketplace/content?contentId=53066708
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source:
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type: quickstart
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locale: "en"
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variableGroups:
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- title: "Defualt inputs"
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variables:
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- tenancy_ocid
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- compartment_ocid
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- region
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- current_user_ocid
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visible: false
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- title: "OKE Cluster Details"
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variables:
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- oke_cluster_compartment
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- oke_cluster_ocid
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- oke_cluster_name
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- oke_containerImage_url
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- oke_namespace
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- title: "Logging Analytics"
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variables:
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- la_namespace
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- la_logGroup_id
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- title: "Agent Configuration"
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variables:
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- fluentd_baseDir_path
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variables:
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oke_cluster_compartment:
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type: oci:identity:compartment:id
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required: true
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title: OKE Cluster Compartment
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description: Compartment which the OKE Cluster belogs to
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default: compartment_ocid
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oke_cluster_ocid:
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type: oci:container:cluster:id
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dependsOn:
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compartmentId: ${oke_cluster_compartment}
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title: OKE Cluster
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description: Target OKE Cluster
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required: true
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# string field
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oke_cluster_name:
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type: string
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minLength: 1
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maxLength: 255
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title: OKE Cluster Name
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description: OKE Cluster Name
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required: true
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# string field
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oke_containerImage_url:
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type: string
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minLength: 1
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maxLength: 255
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title: Container Image
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description: Enter remote URL to fetch Container Image
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required: true
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# string field
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oke_namespace:
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type: string
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minLength: 1
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maxLength: 255
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title: OKE Cluster Namespace (Optional)
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description: Enter OKE Namespace to deploy helm-chart
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default: kube-system
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required: true
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# string field
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fluentd_baseDir_path:
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type: string
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maxLength: 255
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minLength: 1
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title: fluentd Agent Base Directory (Optional)
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description: Base Directory Path of fluentd agent
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default: /var/log
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required: true
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# string field
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la_namespace:
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type: string
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maxLength: 40
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minLength: 1
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title: Logging Analytics Namespace
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description: Enter Logging Analytics Namespace
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required: true
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# string field
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la_logGroup_id:
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type: string
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maxLength: 255
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minLength: 1
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title: LogGroup OCID
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description: This LogGroup will store the data collected from OKE cluster.
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required: true
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# outputs:
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# controlCenterUrl:
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# type: link
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# title: Control Center
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# displayText: Control Center
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# visible: false
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# schemaRegistryUrl:
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# type: link
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# title: Schema Registry
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# displayText: Schema Registry
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# schemaRegistryPublicIps:
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# type: csv
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# title: Public IPs
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# schemaRegistryLoadBalancer:
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# type: ocid
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# title: Load Balancer
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# brokerPublicIps:
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# type: csv
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# connectUrl:
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# type: link
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# title: Connect
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# displayText: Connect
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# connectPublicIps:
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# type: csv
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# title: Public IPs
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# restUrl:
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# type: link
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# title: Rest API
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# # primaryOutputButton is a reference to a link output that creates a primary button
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# # on the Application Information tab.
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# # (Optional) if not provided, no primary button is shown. Also if the output
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# # referenced is not a link output, no button is shown.
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# primaryOutputButton: ${controlCenterUrl}

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