508 lines
17 KiB
HCL
508 lines
17 KiB
HCL
# DB as a service. Installs MySQL operator
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variable "tls_secret_name" {}
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variable "dbaas_root_password" {}
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variable "cluster_master_service" {
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default = "mysql-cluster"
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}
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variable "prod" {
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default = false
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type = bool
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}
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# provider "kubectl" {
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# config_path = var.prod ? "" : "~/.kube/config"
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# host = "https://kubernetes:6443"
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# insecure = true
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# load_config_file = !var.prod
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# config_context = "kubernetes-admin@kubernetes"
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# config_context = "kek"
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# client_certificate = var.prod ? "/run/secrets/kubernetes.io/serviceaccount/ca.crt" : ""
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# token = var.prod ? "/run/secrets/kubernetes.io/serviceaccount/token" : ""
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# insecure = true
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# insecure = true
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# }
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resource "kubernetes_namespace" "dbaas" {
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metadata {
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name = "dbaas"
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}
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}
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module "tls_secret" {
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source = "../setup_tls_secret"
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namespace = "dbaas"
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tls_secret_name = var.tls_secret_name
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}
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# resource "helm_release" "mysql" {
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# namespace = "dbaas"
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# create_namespace = false
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# name = "mysql"
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# repository = "https://presslabs.github.io/charts"
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# chart = "mysql-operator"
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# # version = "v0.5.0-rc.3"
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# values = [templatefile("${path.module}/mysql_chart_values.yaml", { secretName = var.tls_secret_name })]
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# atomic = true
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# depends_on = [kubernetes_namespace.dbaas]
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# }
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resource "helm_release" "mysql" {
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namespace = "dbaas"
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create_namespace = false
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name = "mysql-operator"
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repository = "https://mysql.github.io/mysql-operator/"
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chart = "mysql-operator"
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atomic = true
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depends_on = [kubernetes_namespace.dbaas]
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}
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resource "helm_release" "innodb-cluster" {
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namespace = "dbaas"
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create_namespace = false
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name = var.cluster_master_service
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repository = "https://mysql.github.io/mysql-operator/"
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chart = "mysql-innodbcluster"
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atomic = true
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depends_on = [kubernetes_namespace.dbaas]
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values = [templatefile("${path.module}/chart_values.tpl", { root_password = var.dbaas_root_password })]
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}
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resource "kubernetes_persistent_volume" "mysql-operator" {
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metadata {
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name = "mysql-operator-pv"
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}
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spec {
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capacity = {
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"storage" = "1Gi"
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}
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access_modes = ["ReadWriteOnce"]
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persistent_volume_source {
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iscsi {
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target_portal = "iscsi.viktorbarzin.lan:3260"
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iqn = "iqn.2020-12.lan.viktorbarzin:storage:dbaas:operator"
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lun = 0
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fs_type = "ext4"
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}
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}
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}
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}
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resource "kubernetes_persistent_volume" "mysql" {
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metadata {
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name = "mysql-pv"
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}
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spec {
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capacity = {
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"storage" = "10Gi"
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}
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access_modes = ["ReadWriteOnce"]
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persistent_volume_source {
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iscsi {
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target_portal = "iscsi.viktorbarzin.lan:3260"
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iqn = "iqn.2020-12.lan.viktorbarzin:storage:dbaas:mysql"
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lun = 0
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fs_type = "ext4"
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}
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}
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}
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}
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resource "kubernetes_secret" "cluster-password" {
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metadata {
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name = "cluster-secret"
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namespace = "dbaas"
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annotations = {
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"reloader.stakater.com/match" = "true"
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}
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}
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type = "Opaque"
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data = {
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"ROOT_PASSWORD" = var.dbaas_root_password
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}
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}
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resource "kubernetes_ingress_v1" "dbaas" {
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metadata {
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name = "orchestrator-ingress"
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namespace = "dbaas"
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annotations = {
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"kubernetes.io/ingress.class" = "nginx"
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"nginx.ingress.kubernetes.io/auth-tls-verify-client" = "on"
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"nginx.ingress.kubernetes.io/auth-tls-secret" = "default/ca-secret"
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}
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}
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spec {
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tls {
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hosts = ["db.viktorbarzin.me"]
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secret_name = var.tls_secret_name
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}
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rule {
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host = "db.viktorbarzin.me"
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http {
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path {
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path = "/"
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backend {
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service {
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name = "mysql-mysql-operator"
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port {
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number = 80
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}
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}
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}
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}
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}
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}
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}
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}
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# PHPMyAdmin instance
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resource "kubernetes_deployment" "phpmyadmin" {
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metadata {
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name = "phpmyadmin"
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namespace = "dbaas"
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labels = {
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"app" = "phpmyadmin"
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}
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annotations = {
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"reloader.stakater.com/search" = "true"
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}
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}
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spec {
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replicas = "1"
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selector {
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match_labels = {
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"app" = "phpmyadmin"
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}
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}
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template {
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metadata {
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labels = {
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"app" = "phpmyadmin"
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}
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}
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spec {
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container {
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name = "phpmyadmin"
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image = "phpmyadmin/phpmyadmin"
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port {
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container_port = 80
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}
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env {
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name = "PMA_HOST"
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value = var.cluster_master_service
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}
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env {
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name = "PMA_PORT"
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value = "3306"
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}
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env {
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name = "MYSQL_ROOT_PASSWORD"
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value_from {
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secret_key_ref {
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name = "cluster-secret"
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key = "ROOT_PASSWORD"
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}
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}
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}
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}
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}
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}
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}
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}
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resource "kubernetes_service" "phpmyadmin" {
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metadata {
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name = "phpmyadmin"
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namespace = "dbaas"
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}
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spec {
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selector = {
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"app" = "phpmyadmin"
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}
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port {
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name = "web"
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port = 80
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}
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}
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}
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resource "kubernetes_ingress_v1" "phpmyadmin" {
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metadata {
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name = "phpmyadmin-ingress"
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namespace = "dbaas"
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annotations = {
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"kubernetes.io/ingress.class" = "nginx"
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"nginx.ingress.kubernetes.io/auth-tls-verify-client" = "on"
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"nginx.ingress.kubernetes.io/auth-tls-secret" = "default/ca-secret"
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}
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}
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spec {
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tls {
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hosts = ["pma.viktorbarzin.me"]
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secret_name = var.tls_secret_name
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}
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rule {
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host = "pma.viktorbarzin.me"
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http {
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path {
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path = "/"
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backend {
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service {
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name = "phpmyadmin"
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port {
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number = 80
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}
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}
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}
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}
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}
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}
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}
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}
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# resource "kubectl_manifest" "mysql-cluster" {
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# yaml_body = <<-YAML
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# apiVersion: mysql.presslabs.org/v1alpha1
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# kind: MysqlCluster
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# metadata:
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# name: mysql-cluster
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# namespace: dbaas
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# spec:
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# mysqlVersion: "5.7"
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# replicas: 1
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# secretName: cluster-secret
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# mysqlConf:
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# # read_only: 0 # mysql forms a single transaction for each sql statement, autocommit for each statement
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# # automatic_sp_privileges: "ON" # automatically grants the EXECUTE and ALTER ROUTINE privileges to the creator of a stored routine
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# # auto_generate_certs: "ON" # Auto Generation of Certificate
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# # auto_increment_increment: 1 # Auto Incrementing value from +1
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# # auto_increment_offset: 1 # Auto Increment Offset
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# # binlog-format: "STATEMENT" # contains various options such ROW(SLOW,SAFE) STATEMENT(FAST,UNSAFE), MIXED(combination of both)
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# # wait_timeout: 31536000 # 28800 number of seconds the server waits for activity on a non-interactive connection before closing it, You might encounter MySQL server has gone away error, you then tweak this value acccordingly
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# # interactive_timeout: 28800 # The number of seconds the server waits for activity on an interactive connection before closing it.
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# # max_allowed_packet: "512M" # Maximum size of MYSQL Network protocol packet that the server can create or read 4MB, 8MB, 16MB, 32MB
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# # max-binlog-size: 1073741824 # binary logs contains the events that describe database changes, this parameter describe size for the bin_log file.
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# # log_output: "TABLE" # Format in which the logout will be dumped
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# # master-info-repository: "TABLE" # Format in which the master info will be dumped
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# # relay_log_info_repository: "TABLE" # Format in which the relay info will be dumped
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# volumeSpec:
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# persistentVolumeClaim:
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# accessModes:
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# - ReadWriteOnce
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# resources:
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# requests:
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# storage: 10Gi
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# YAML
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# depends_on = [helm_release.mysql]
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# # manifest = {
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# # apiVersion = "mysql.presslabs.org/v1alpha1"
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# # kind = "MysqlCluster"
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# # metadata = {
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# # name = "mysql-cluster"
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# # namespace = "dbaas"
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# # }
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# # spec = {
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# # mysqlVersion = "5.7"
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# # replicas = 1
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# # secretName = "cluster-secret"
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# # mysqlConf = {
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# # read_only = 0
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# # }
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# # volumeSpec = {
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# # persistentVolumeClaim = {
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# # resources = {
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# # requests = {
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# # storage = "10Gi"
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# # }
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# # }
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# # }
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# # }
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# # }
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# # }
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# }
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# For some unknwown reason not all CRDs are installed. Add them manually
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# resource "kubectl_manifest" "mysql-user" {
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# yaml_body = <<-EOF
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# apiVersion: apiextensions.k8s.io/v1
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# kind: CustomResourceDefinition
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# metadata:
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# annotations:
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# controller-gen.kubebuilder.io/version: v0.5.0
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# helm.sh/hook: crd-install
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# name: mysqlusers.mysql.presslabs.org
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# labels:
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# app: mysql-operator
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# spec:
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# group: mysql.presslabs.org
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# names:
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# kind: MysqlUser
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# listKind: MysqlUserList
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# plural: mysqlusers
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# singular: mysqluser
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# scope: Namespaced
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# versions:
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# - additionalPrinterColumns:
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# - description: The user status
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# jsonPath: .status.conditions[?(@.type == 'Ready')].status
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# name: Ready
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# type: string
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# - jsonPath: .spec.clusterRef.name
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# name: Cluster
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# type: string
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# - jsonPath: .spec.user
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# name: UserName
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# type: string
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# - jsonPath: .metadata.creationTimestamp
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# name: Age
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# type: date
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# name: v1alpha1
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# schema:
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# openAPIV3Schema:
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# description: MysqlUser is the Schema for the MySQL User API
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# properties:
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# apiVersion:
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# description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
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# type: string
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# kind:
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# description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
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# type: string
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# metadata:
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# type: object
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# spec:
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# description: MysqlUserSpec defines the desired state of MysqlUserSpec
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# properties:
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# allowedHosts:
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# description: AllowedHosts is the allowed host to connect from.
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# items:
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# type: string
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# type: array
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# clusterRef:
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# description: ClusterRef represents a reference to the MySQL cluster. This field should be immutable.
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# properties:
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# name:
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# description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid?'
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# type: string
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# namespace:
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# description: Namespace the MySQL cluster namespace
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# type: string
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# type: object
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# password:
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# description: Password is the password for the user.
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# properties:
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# key:
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# description: The key of the secret to select from. Must be a valid secret key.
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# type: string
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# name:
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# description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid?'
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# type: string
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# optional:
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# description: Specify whether the Secret or its key must be defined
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# type: boolean
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# required:
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# - key
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# type: object
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# permissions:
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# description: Permissions is the list of roles that user has in the specified database.
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# items:
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# description: MysqlPermission defines a MySQL schema permission
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# properties:
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# permissions:
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# description: Permissions represents the permissions granted on the schema/tables
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# items:
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# type: string
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# type: array
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# schema:
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# description: Schema represents the schema to which the permission applies
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# type: string
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# tables:
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# description: Tables represents the tables inside the schema to which the permission applies
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# items:
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# type: string
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# type: array
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# required:
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# - permissions
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# - schema
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# - tables
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# type: object
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# type: array
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# resourceLimits:
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# additionalProperties:
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# anyOf:
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# - type: integer
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# - type: string
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# pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
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# x-kubernetes-int-or-string: true
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# description: 'ResourceLimits allow settings limit per mysql user as defined here: https://dev.mysql.com/doc/refman/5.7/en/user-resources.html'
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# type: object
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# user:
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# description: User is the name of the user that will be created with will access the specified database. This field should be immutable.
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# type: string
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# required:
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# - allowedHosts
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# - clusterRef
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# - password
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# - user
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# type: object
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# status:
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# description: MysqlUserStatus defines the observed state of MysqlUser
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# properties:
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# allowedHosts:
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# description: AllowedHosts contains the list of hosts that the user is allowed to connect from.
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# items:
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# type: string
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# type: array
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# conditions:
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# description: Conditions represents the MysqlUser resource conditions list.
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# items:
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# description: MySQLUserCondition defines the condition struct for a MysqlUser resource
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# properties:
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# lastTransitionTime:
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# description: Last time the condition transitioned from one status to another.
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# format: date-time
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# type: string
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# lastUpdateTime:
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# description: The last time this condition was updated.
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# format: date-time
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# type: string
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# message:
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# description: A human readable message indicating details about the transition.
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# type: string
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# reason:
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# description: The reason for the condition's last transition.
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# type: string
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# status:
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# description: Status of the condition, one of True, False, Unknown.
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# type: string
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# type:
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# description: Type of MysqlUser condition.
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# type: string
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# required:
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# - lastTransitionTime
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# - message
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# - reason
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# - status
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# - type
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# type: object
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# type: array
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# type: object
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# type: object
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# served: true
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# storage: true
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# subresources:
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# status: {}
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# EOF
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# }
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