腾讯云容器服务通过 Terraform 安装 Nginx 插件和实例同尘科技

前言

本文示例使用的环境信息如下：TKE 集群 Kubernetes 版本：v1.22.5安装 Nginx 插件版本：v1.2.0安装 Nginx 实例版本：v1.1.3

步骤1：安装 Terraform

您可以通过以下命令下载并安装 Terraform：

wget https://releases.hashicorp.com/terraform/1.4.6/terraform_1.4.6_linux_amd64.zip

v1.4.6版本 Release 地址为 https://releases.hashicorp.com/terraform/1.4.6/，您可以根据系统选择对应安装包。

步骤2：在集群中安装 Nginx Addon

Nginx Addon 插件是一个 Nginx 的安装管理工具。首先安装 Addon 插件，然后再使用插件安装 Nginx 实例，具体操作请参见 腾讯云Terraform 应用指南。provider.tf 示例文件如下：

# 腾讯云 providerterraform {  required_providers {    tencentcloud = {      source = "tencentcloudstack/tencentcloud"      version = "1.80.6"    }  }}
# 腾讯云 相关信息（更换密钥对 "secret_id"、"secret_key"）provider "tencentcloud" {    secret_id  = "********"    secret_key = "********"    region     = "ap-shanghai"}
# 安装Nginx插件（更换集群ID "cluster_id"）resource "tencentcloud_kubernetes_addon_attachment" "addon_ingressnginx" {  cluster_id   = "cls-xxxxxxxx"  name = "ingressnginx"  request_body = "{\"kind\":\"App\",\"spec\":{\"chart\":{\"chartName\":\"ingressnginx\",\"chartVersion\":\"1.2.0\"}}}"}

步骤3：声明式安装 Nginx 实例

有关 Kubernetes Provider 的更多配置信息，请参见 官方文档。Nginx 实例的相关配置可以根据需要进行修改。IngressClass 配置（示例中使用的是 demo）HPA 配置requests/limits 配置provider.tf 示例文件如下：

provider "kubernetes" {  config_path = "~/.kube/config"}
resource "kubernetes_manifest" "nginxingress_demo" {  manifest = {    "apiVersion" = "cloud.tencent.com/v1alpha1"    "kind" = "NginxIngress"    "metadata" = {      "name" = "demo"    }    "spec" = {      "ingressClass" = "demo"      "service" = {        "annotation" = {          "service.kubernetes.io/service.extensiveParameters" = "{\"InternetAccessible\":{\"InternetChargeType\":\"TRAFFIC_POSTPAID_BY_HOUR\",\"InternetMaxBandwidthOut\":10}}"        }        "type" = "LoadBalancer"      }      "workLoad" = {        "hpa" = {          "enable" = true          "maxReplicas" = 2          "metrics" = [            {              "pods" = {                "metricName" = "k8s_pod_rate_cpu_core_used_limit"                "targetAverageValue" = "80"              }              "type" = "Pods"            },          ]          "minReplicas" = 1        }        "template" = {          "affinity" = {}          "container" = {            "image" = "ccr.ccs.tencentyun.com/paas/nginx-ingress-controller:v1.1.3"            "resources" = {              "limits" = {                "cpu" = "0.5"                "memory" = "1024Mi"              }              "requests" = {                "cpu" = "0.25"                "memory" = "256Mi"              }            }          }        }        "type" = "deployment"      }    }  }}



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