Migrate Azure module Terraform v0.11 to v0.12
* Replace v0.11 bracket type hints with Terraform v0.12 list expressions * Use expression syntax instead of interpolated strings, where suggested * Update Azure tutorial and worker pools documentation * Define Terraform and plugin version requirements in versions.tf * Require azurerm ~> 1.27 to support Terraform v0.12 * Require ct ~> 0.3.2 to support Terraform v0.12
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Dalton Hubble
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CHANGES.md
29
CHANGES.md
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@ -2,13 +2,31 @@
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Notable changes between versions.
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#### AWS
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-aws` v2.7+ to support Terraform v0.12
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* Require `terraform-provider-ct` v0.3.2+ to support Terraform v0.12
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#### Azure
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-azurerm` v1.27+ to support Terraform v0.12
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* Require `terraform-provider-ct` v0.3.2+ to support Terraform v0.12
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#### DigitalOcean
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-digitalocean` v1.3+ to support Terraform v0.12
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* Require `terraform-provider-ct` ~> v0.3.2+ to support Terraform v0.12
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## Latest
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#### Google Cloud
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-google` v2.5+ to support Terraform v0.12
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* Require `terraform-provider-ct` v0.3.2+ to support Terraform v0.12
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## v1.14.3
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## v1.14.3
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@ -18,18 +36,14 @@ Notable changes between versions.
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* Fix trailing slash in terraform-render-bootkube version ([#479](https://github.com/poseidon/typhoon/pull/479))
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* Recommend updating `terraform-provider-ct` plugin from v0.3.1 to [v0.3.2](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.3.2) ([#487](https://github.com/poseidon/typhoon/pull/487))
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### AWS
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#### AWS
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-aws` v2.7+ to support Terraform v0.12
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* Require `terraform-provider-ct` v0.3.2+ to support Terraform v0.12
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* Rename `worker` pool module `count` variable to `worker_count` ([#485](https://github.com/poseidon/typhoon/pull/485)) (action required)
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* `count` will become a reserved variable name in Terraform v0.12
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#### Azure
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* Replace `azurerm_autoscale_setting` with `azurerm_monitor_autoscale_setting` ([#482](https://github.com/poseidon/typhoon/pull/482))
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* Require `terraform-provider-azurerm` v1.22+ (action required)
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* Rename `worker` pool module `count` variable to `worker_count` ([#485](https://github.com/poseidon/typhoon/pull/485)) (action required)
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* `count` will become a reserved variable name in Terraform v0.12
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@ -39,9 +53,6 @@ Notable changes between versions.
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#### Google Cloud
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* Migrate from Terraform v0.11 to v0.12.x (**action required!**)
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* Require `terraform-provider-google` v2.5+ to support Terraform v0.12
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* Require `terraform-provider-ct` v0.3.2+ to support Terraform v0.12
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* Rename `worker` pool module `count` variable to `worker_count` ([#485](https://github.com/poseidon/typhoon/pull/485)) (action required)
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* `count` is a reserved variable in Terraform v0.12
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@ -1,22 +1,23 @@
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# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=082921d67905417755609eebda7d39a7e26f7fdb"
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=0103bc06bb3f597455a765bf5d916f9b241cbea0"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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etcd_servers = ["${formatlist("%s.%s", azurerm_dns_a_record.etcds.*.name, var.dns_zone)}"]
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asset_dir = "${var.asset_dir}"
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cluster_name = var.cluster_name
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api_servers = [format("%s.%s", var.cluster_name, var.dns_zone)]
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etcd_servers = formatlist("%s.%s", azurerm_dns_a_record.etcds.*.name, var.dns_zone)
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asset_dir = var.asset_dir
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networking = "${var.networking}"
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networking = var.networking
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# only effective with Calico networking
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# we should be able to use 1450 MTU, but in practice, 1410 was needed
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network_encapsulation = "vxlan"
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network_mtu = "1410"
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pod_cidr = "${var.pod_cidr}"
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service_cidr = "${var.service_cidr}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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enable_reporting = "${var.enable_reporting}"
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enable_aggregation = "${var.enable_aggregation}"
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pod_cidr = var.pod_cidr
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service_cidr = var.service_cidr
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cluster_domain_suffix = var.cluster_domain_suffix
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enable_reporting = var.enable_reporting
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enable_aggregation = var.enable_aggregation
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}
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@ -1,31 +1,34 @@
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# Discrete DNS records for each controller's private IPv4 for etcd usage
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resource "azurerm_dns_a_record" "etcds" {
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count = "${var.controller_count}"
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resource_group_name = "${var.dns_zone_group}"
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count = var.controller_count
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resource_group_name = var.dns_zone_group
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# DNS Zone name where record should be created
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zone_name = "${var.dns_zone}"
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zone_name = var.dns_zone
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# DNS record
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name = "${format("%s-etcd%d", var.cluster_name, count.index)}"
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name = format("%s-etcd%d", var.cluster_name, count.index)
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ttl = 300
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# private IPv4 address for etcd
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records = ["${element(azurerm_network_interface.controllers.*.private_ip_address, count.index)}"]
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records = [element(
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azurerm_network_interface.controllers.*.private_ip_address,
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count.index,
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)]
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}
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locals {
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# Channel for a Container Linux derivative
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# coreos-stable -> Container Linux Stable
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channel = "${element(split("-", var.os_image), 1)}"
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channel = element(split("-", var.os_image), 1)
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}
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# Controller availability set to spread controllers
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resource "azurerm_availability_set" "controllers" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-controllers"
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location = "${var.region}"
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location = var.region
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platform_fault_domain_count = 2
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platform_update_domain_count = 4
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managed = true
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@ -33,19 +36,19 @@ resource "azurerm_availability_set" "controllers" {
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# Controller instances
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resource "azurerm_virtual_machine" "controllers" {
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count = "${var.controller_count}"
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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count = var.controller_count
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-controller-${count.index}"
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location = "${var.region}"
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availability_set_id = "${azurerm_availability_set.controllers.id}"
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vm_size = "${var.controller_type}"
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location = var.region
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availability_set_id = azurerm_availability_set.controllers.id
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vm_size = var.controller_type
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# boot
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storage_image_reference {
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publisher = "CoreOS"
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offer = "CoreOS"
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sku = "${local.channel}"
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sku = local.channel
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version = "latest"
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}
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@ -54,18 +57,18 @@ resource "azurerm_virtual_machine" "controllers" {
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name = "${var.cluster_name}-controller-${count.index}"
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create_option = "FromImage"
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caching = "ReadWrite"
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disk_size_gb = "${var.disk_size}"
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disk_size_gb = var.disk_size
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os_type = "Linux"
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managed_disk_type = "Premium_LRS"
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}
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# network
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network_interface_ids = ["${element(azurerm_network_interface.controllers.*.id, count.index)}"]
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network_interface_ids = [element(azurerm_network_interface.controllers.*.id, count.index)]
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os_profile {
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computer_name = "${var.cluster_name}-controller-${count.index}"
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admin_username = "core"
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custom_data = "${element(data.ct_config.controller-ignitions.*.rendered, count.index)}"
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custom_data = element(data.ct_config.controller-ignitions.*.rendered, count.index)
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}
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# Azure mandates setting an ssh_key, even though Ignition custom_data handles it too
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@ -74,7 +77,7 @@ resource "azurerm_virtual_machine" "controllers" {
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ssh_keys {
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path = "/home/core/.ssh/authorized_keys"
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key_data = "${var.ssh_authorized_key}"
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key_data = var.ssh_authorized_key
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}
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}
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@ -84,85 +87,87 @@ resource "azurerm_virtual_machine" "controllers" {
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lifecycle {
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ignore_changes = [
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"storage_os_disk",
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"os_profile",
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storage_os_disk,
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os_profile,
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]
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}
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}
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# Controller NICs with public and private IPv4
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resource "azurerm_network_interface" "controllers" {
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count = "${var.controller_count}"
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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count = var.controller_count
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-controller-${count.index}"
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location = "${azurerm_resource_group.cluster.location}"
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network_security_group_id = "${azurerm_network_security_group.controller.id}"
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location = azurerm_resource_group.cluster.location
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network_security_group_id = azurerm_network_security_group.controller.id
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ip_configuration {
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name = "ip0"
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subnet_id = "${azurerm_subnet.controller.id}"
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subnet_id = azurerm_subnet.controller.id
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private_ip_address_allocation = "dynamic"
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# public IPv4
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public_ip_address_id = "${element(azurerm_public_ip.controllers.*.id, count.index)}"
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public_ip_address_id = element(azurerm_public_ip.controllers.*.id, count.index)
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}
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}
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# Add controller NICs to the controller backend address pool
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resource "azurerm_network_interface_backend_address_pool_association" "controllers" {
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network_interface_id = "${azurerm_network_interface.controllers.id}"
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network_interface_id = azurerm_network_interface.controllers[0].id
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ip_configuration_name = "ip0"
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backend_address_pool_id = "${azurerm_lb_backend_address_pool.controller.id}"
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backend_address_pool_id = azurerm_lb_backend_address_pool.controller.id
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}
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# Controller public IPv4 addresses
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resource "azurerm_public_ip" "controllers" {
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count = "${var.controller_count}"
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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count = var.controller_count
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-controller-${count.index}"
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location = "${azurerm_resource_group.cluster.location}"
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location = azurerm_resource_group.cluster.location
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sku = "Standard"
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allocation_method = "Static"
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}
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# Controller Ignition configs
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data "ct_config" "controller-ignitions" {
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count = "${var.controller_count}"
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content = "${element(data.template_file.controller-configs.*.rendered, count.index)}"
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count = var.controller_count
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content = element(
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data.template_file.controller-configs.*.rendered,
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count.index,
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)
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pretty_print = false
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snippets = ["${var.controller_clc_snippets}"]
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snippets = var.controller_clc_snippets
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}
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# Controller Container Linux configs
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data "template_file" "controller-configs" {
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count = "${var.controller_count}"
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count = var.controller_count
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template = "${file("${path.module}/cl/controller.yaml.tmpl")}"
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template = file("${path.module}/cl/controller.yaml.tmpl")
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vars = {
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# Cannot use cyclic dependencies on controllers or their DNS records
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etcd_name = "etcd${count.index}"
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etcd_domain = "${var.cluster_name}-etcd${count.index}.${var.dns_zone}"
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# etcd0=https://cluster-etcd0.example.com,etcd1=https://cluster-etcd1.example.com,...
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etcd_initial_cluster = "${join(",", data.template_file.etcds.*.rendered)}"
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kubeconfig = "${indent(10, module.bootkube.kubeconfig-kubelet)}"
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ssh_authorized_key = "${var.ssh_authorized_key}"
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cluster_dns_service_ip = "${cidrhost(var.service_cidr, 10)}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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etcd_initial_cluster = join(",", data.template_file.etcds.*.rendered)
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kubeconfig = indent(10, module.bootkube.kubeconfig-kubelet)
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ssh_authorized_key = var.ssh_authorized_key
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cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
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cluster_domain_suffix = var.cluster_domain_suffix
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}
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}
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data "template_file" "etcds" {
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count = "${var.controller_count}"
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count = var.controller_count
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template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
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vars = {
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index = "${count.index}"
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cluster_name = "${var.cluster_name}"
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dns_zone = "${var.dns_zone}"
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index = count.index
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cluster_name = var.cluster_name
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dns_zone = var.dns_zone
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}
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}
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@ -1,123 +1,123 @@
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# DNS record for the apiserver load balancer
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resource "azurerm_dns_a_record" "apiserver" {
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resource_group_name = "${var.dns_zone_group}"
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resource_group_name = var.dns_zone_group
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# DNS Zone name where record should be created
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zone_name = "${var.dns_zone}"
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zone_name = var.dns_zone
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# DNS record
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name = "${var.cluster_name}"
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name = var.cluster_name
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ttl = 300
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# IPv4 address of apiserver load balancer
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records = ["${azurerm_public_ip.apiserver-ipv4.ip_address}"]
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records = [azurerm_public_ip.apiserver-ipv4.ip_address]
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}
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# Static IPv4 address for the apiserver frontend
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resource "azurerm_public_ip" "apiserver-ipv4" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-apiserver-ipv4"
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location = "${var.region}"
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location = var.region
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sku = "Standard"
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allocation_method = "Static"
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}
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# Static IPv4 address for the ingress frontend
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resource "azurerm_public_ip" "ingress-ipv4" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}-ingress-ipv4"
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location = "${var.region}"
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location = var.region
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sku = "Standard"
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allocation_method = "Static"
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}
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# Network Load Balancer for apiservers and ingress
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resource "azurerm_lb" "cluster" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "${var.cluster_name}"
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location = "${var.region}"
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name = var.cluster_name
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location = var.region
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sku = "Standard"
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frontend_ip_configuration {
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name = "apiserver"
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public_ip_address_id = "${azurerm_public_ip.apiserver-ipv4.id}"
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public_ip_address_id = azurerm_public_ip.apiserver-ipv4.id
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}
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frontend_ip_configuration {
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name = "ingress"
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public_ip_address_id = "${azurerm_public_ip.ingress-ipv4.id}"
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public_ip_address_id = azurerm_public_ip.ingress-ipv4.id
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}
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}
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resource "azurerm_lb_rule" "apiserver" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "apiserver"
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loadbalancer_id = "${azurerm_lb.cluster.id}"
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loadbalancer_id = azurerm_lb.cluster.id
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frontend_ip_configuration_name = "apiserver"
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protocol = "Tcp"
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frontend_port = 6443
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backend_port = 6443
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backend_address_pool_id = "${azurerm_lb_backend_address_pool.controller.id}"
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probe_id = "${azurerm_lb_probe.apiserver.id}"
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backend_address_pool_id = azurerm_lb_backend_address_pool.controller.id
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probe_id = azurerm_lb_probe.apiserver.id
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}
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resource "azurerm_lb_rule" "ingress-http" {
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resource_group_name = "${azurerm_resource_group.cluster.name}"
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resource_group_name = azurerm_resource_group.cluster.name
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name = "ingress-http"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
frontend_ip_configuration_name = "ingress"
|
||||
|
||||
protocol = "Tcp"
|
||||
frontend_port = 80
|
||||
backend_port = 80
|
||||
backend_address_pool_id = "${azurerm_lb_backend_address_pool.worker.id}"
|
||||
probe_id = "${azurerm_lb_probe.ingress.id}"
|
||||
backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
|
||||
probe_id = azurerm_lb_probe.ingress.id
|
||||
}
|
||||
|
||||
resource "azurerm_lb_rule" "ingress-https" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "ingress-https"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
frontend_ip_configuration_name = "ingress"
|
||||
|
||||
protocol = "Tcp"
|
||||
frontend_port = 443
|
||||
backend_port = 443
|
||||
backend_address_pool_id = "${azurerm_lb_backend_address_pool.worker.id}"
|
||||
probe_id = "${azurerm_lb_probe.ingress.id}"
|
||||
backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
|
||||
probe_id = azurerm_lb_probe.ingress.id
|
||||
}
|
||||
|
||||
# Address pool of controllers
|
||||
resource "azurerm_lb_backend_address_pool" "controller" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "controller"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
}
|
||||
|
||||
# Address pool of workers
|
||||
resource "azurerm_lb_backend_address_pool" "worker" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "worker"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
}
|
||||
|
||||
# Health checks / probes
|
||||
|
||||
# TCP health check for apiserver
|
||||
resource "azurerm_lb_probe" "apiserver" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "apiserver"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
protocol = "Tcp"
|
||||
port = 6443
|
||||
|
||||
|
|
@ -129,10 +129,10 @@ resource "azurerm_lb_probe" "apiserver" {
|
|||
|
||||
# HTTP health check for ingress
|
||||
resource "azurerm_lb_probe" "ingress" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "ingress"
|
||||
loadbalancer_id = "${azurerm_lb.cluster.id}"
|
||||
loadbalancer_id = azurerm_lb.cluster.id
|
||||
protocol = "Http"
|
||||
port = 10254
|
||||
request_path = "/healthz"
|
||||
|
|
@ -142,3 +142,4 @@ resource "azurerm_lb_probe" "ingress" {
|
|||
|
||||
interval_in_seconds = 5
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,15 +1,15 @@
|
|||
# Organize cluster into a resource group
|
||||
resource "azurerm_resource_group" "cluster" {
|
||||
name = "${var.cluster_name}"
|
||||
location = "${var.region}"
|
||||
name = var.cluster_name
|
||||
location = var.region
|
||||
}
|
||||
|
||||
resource "azurerm_virtual_network" "network" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "${var.cluster_name}"
|
||||
location = "${azurerm_resource_group.cluster.location}"
|
||||
address_space = ["${var.host_cidr}"]
|
||||
name = var.cluster_name
|
||||
location = azurerm_resource_group.cluster.location
|
||||
address_space = [var.host_cidr]
|
||||
}
|
||||
|
||||
# Subnets - separate subnets for controller and workers because Azure
|
||||
|
|
@ -17,17 +17,18 @@ resource "azurerm_virtual_network" "network" {
|
|||
# tags like GCP or security group membership like AWS
|
||||
|
||||
resource "azurerm_subnet" "controller" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "controller"
|
||||
virtual_network_name = "${azurerm_virtual_network.network.name}"
|
||||
address_prefix = "${cidrsubnet(var.host_cidr, 1, 0)}"
|
||||
virtual_network_name = azurerm_virtual_network.network.name
|
||||
address_prefix = cidrsubnet(var.host_cidr, 1, 0)
|
||||
}
|
||||
|
||||
resource "azurerm_subnet" "worker" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "worker"
|
||||
virtual_network_name = "${azurerm_virtual_network.network.name}"
|
||||
address_prefix = "${cidrsubnet(var.host_cidr, 1, 1)}"
|
||||
virtual_network_name = azurerm_virtual_network.network.name
|
||||
address_prefix = cidrsubnet(var.host_cidr, 1, 1)
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,55 +1,56 @@
|
|||
output "kubeconfig-admin" {
|
||||
value = "${module.bootkube.kubeconfig-admin}"
|
||||
value = module.bootkube.kubeconfig-admin
|
||||
}
|
||||
|
||||
# Outputs for Kubernetes Ingress
|
||||
|
||||
output "ingress_static_ipv4" {
|
||||
value = "${azurerm_public_ip.ingress-ipv4.ip_address}"
|
||||
value = azurerm_public_ip.ingress-ipv4.ip_address
|
||||
description = "IPv4 address of the load balancer for distributing traffic to Ingress controllers"
|
||||
}
|
||||
|
||||
# Outputs for worker pools
|
||||
|
||||
output "region" {
|
||||
value = "${azurerm_resource_group.cluster.location}"
|
||||
value = azurerm_resource_group.cluster.location
|
||||
}
|
||||
|
||||
output "resource_group_name" {
|
||||
value = "${azurerm_resource_group.cluster.name}"
|
||||
value = azurerm_resource_group.cluster.name
|
||||
}
|
||||
|
||||
output "subnet_id" {
|
||||
value = "${azurerm_subnet.worker.id}"
|
||||
value = azurerm_subnet.worker.id
|
||||
}
|
||||
|
||||
output "security_group_id" {
|
||||
value = "${azurerm_network_security_group.worker.id}"
|
||||
value = azurerm_network_security_group.worker.id
|
||||
}
|
||||
|
||||
output "kubeconfig" {
|
||||
value = "${module.bootkube.kubeconfig-kubelet}"
|
||||
value = module.bootkube.kubeconfig-kubelet
|
||||
}
|
||||
|
||||
# Outputs for custom firewalling
|
||||
|
||||
output "worker_security_group_name" {
|
||||
value = "${azurerm_network_security_group.worker.name}"
|
||||
value = azurerm_network_security_group.worker.name
|
||||
}
|
||||
|
||||
output "worker_address_prefix" {
|
||||
description = "Worker network subnet CIDR address (for source/destination)"
|
||||
value = "${azurerm_subnet.worker.address_prefix}"
|
||||
value = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
# Outputs for custom load balancing
|
||||
|
||||
output "loadbalancer_id" {
|
||||
description = "ID of the cluster load balancer"
|
||||
value = "${azurerm_lb.cluster.id}"
|
||||
value = azurerm_lb.cluster.id
|
||||
}
|
||||
|
||||
output "backend_address_pool_id" {
|
||||
description = "ID of the worker backend address pool"
|
||||
value = "${azurerm_lb_backend_address_pool.worker.id}"
|
||||
value = azurerm_lb_backend_address_pool.worker.id
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,25 +0,0 @@
|
|||
# Terraform version and plugin versions
|
||||
|
||||
terraform {
|
||||
required_version = ">= 0.11.0"
|
||||
}
|
||||
|
||||
provider "azurerm" {
|
||||
version = "~> 1.22"
|
||||
}
|
||||
|
||||
provider "local" {
|
||||
version = "~> 1.0"
|
||||
}
|
||||
|
||||
provider "null" {
|
||||
version = "~> 1.0"
|
||||
}
|
||||
|
||||
provider "template" {
|
||||
version = "~> 1.0"
|
||||
}
|
||||
|
||||
provider "tls" {
|
||||
version = "~> 1.0"
|
||||
}
|
||||
|
|
@ -1,17 +1,17 @@
|
|||
# Controller security group
|
||||
|
||||
resource "azurerm_network_security_group" "controller" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "${var.cluster_name}-controller"
|
||||
location = "${azurerm_resource_group.cluster.location}"
|
||||
location = azurerm_resource_group.cluster.location
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-ssh" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-ssh"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2000"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -19,45 +19,45 @@ resource "azurerm_network_security_rule" "controller-ssh" {
|
|||
source_port_range = "*"
|
||||
destination_port_range = "22"
|
||||
source_address_prefix = "*"
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-etcd" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-etcd"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2005"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Tcp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "2379-2380"
|
||||
source_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
source_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
# Allow Prometheus to scrape etcd metrics
|
||||
resource "azurerm_network_security_rule" "controller-etcd-metrics" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-etcd-metrics"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2010"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Tcp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "2381"
|
||||
source_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
source_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-apiserver" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-apiserver"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2015"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -65,46 +65,46 @@ resource "azurerm_network_security_rule" "controller-apiserver" {
|
|||
source_port_range = "*"
|
||||
destination_port_range = "6443"
|
||||
source_address_prefix = "*"
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-vxlan" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-vxlan"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2020"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Udp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "4789"
|
||||
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
source_address_prefixes = [azurerm_subnet.controller.address_prefix, azurerm_subnet.worker.address_prefix]
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
# Allow Prometheus to scrape node-exporter daemonset
|
||||
resource "azurerm_network_security_rule" "controller-node-exporter" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-node-exporter"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2025"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Tcp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "9100"
|
||||
source_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
source_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
# Allow apiserver to access kubelet's for exec, log, port-forward
|
||||
resource "azurerm_network_security_rule" "controller-kubelet" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-kubelet"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "2030"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -113,18 +113,18 @@ resource "azurerm_network_security_rule" "controller-kubelet" {
|
|||
destination_port_range = "10250"
|
||||
|
||||
# allow Prometheus to scrape kubelet metrics too
|
||||
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
|
||||
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
source_address_prefixes = [azurerm_subnet.controller.address_prefix, azurerm_subnet.worker.address_prefix]
|
||||
destination_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
}
|
||||
|
||||
# Override Azure AllowVNetInBound and AllowAzureLoadBalancerInBound
|
||||
# https://docs.microsoft.com/en-us/azure/virtual-network/security-overview#default-security-rules
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-allow-loadblancer" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-loadbalancer"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "3000"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -136,10 +136,10 @@ resource "azurerm_network_security_rule" "controller-allow-loadblancer" {
|
|||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "controller-deny-all" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "deny-all"
|
||||
network_security_group_name = "${azurerm_network_security_group.controller.name}"
|
||||
network_security_group_name = azurerm_network_security_group.controller.name
|
||||
priority = "3005"
|
||||
access = "Deny"
|
||||
direction = "Inbound"
|
||||
|
|
@ -153,32 +153,32 @@ resource "azurerm_network_security_rule" "controller-deny-all" {
|
|||
# Worker security group
|
||||
|
||||
resource "azurerm_network_security_group" "worker" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "${var.cluster_name}-worker"
|
||||
location = "${azurerm_resource_group.cluster.location}"
|
||||
location = azurerm_resource_group.cluster.location
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-ssh" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-ssh"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2000"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Tcp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "22"
|
||||
source_address_prefix = "${azurerm_subnet.controller.address_prefix}"
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
source_address_prefix = azurerm_subnet.controller.address_prefix
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-http" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-http"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2005"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -186,14 +186,14 @@ resource "azurerm_network_security_rule" "worker-http" {
|
|||
source_port_range = "*"
|
||||
destination_port_range = "80"
|
||||
source_address_prefix = "*"
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-https" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-https"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2010"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -201,46 +201,46 @@ resource "azurerm_network_security_rule" "worker-https" {
|
|||
source_port_range = "*"
|
||||
destination_port_range = "443"
|
||||
source_address_prefix = "*"
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-vxlan" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-vxlan"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2015"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Udp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "4789"
|
||||
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
source_address_prefixes = [azurerm_subnet.controller.address_prefix, azurerm_subnet.worker.address_prefix]
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
# Allow Prometheus to scrape node-exporter daemonset
|
||||
resource "azurerm_network_security_rule" "worker-node-exporter" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-node-exporter"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2020"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
protocol = "Tcp"
|
||||
source_port_range = "*"
|
||||
destination_port_range = "9100"
|
||||
source_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
source_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
# Allow apiserver to access kubelet's for exec, log, port-forward
|
||||
resource "azurerm_network_security_rule" "worker-kubelet" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-kubelet"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "2025"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -249,18 +249,18 @@ resource "azurerm_network_security_rule" "worker-kubelet" {
|
|||
destination_port_range = "10250"
|
||||
|
||||
# allow Prometheus to scrape kubelet metrics too
|
||||
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
|
||||
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
|
||||
source_address_prefixes = [azurerm_subnet.controller.address_prefix, azurerm_subnet.worker.address_prefix]
|
||||
destination_address_prefix = azurerm_subnet.worker.address_prefix
|
||||
}
|
||||
|
||||
# Override Azure AllowVNetInBound and AllowAzureLoadBalancerInBound
|
||||
# https://docs.microsoft.com/en-us/azure/virtual-network/security-overview#default-security-rules
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-allow-loadblancer" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "allow-loadbalancer"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "3000"
|
||||
access = "Allow"
|
||||
direction = "Inbound"
|
||||
|
|
@ -272,10 +272,10 @@ resource "azurerm_network_security_rule" "worker-allow-loadblancer" {
|
|||
}
|
||||
|
||||
resource "azurerm_network_security_rule" "worker-deny-all" {
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
|
||||
name = "deny-all"
|
||||
network_security_group_name = "${azurerm_network_security_group.worker.name}"
|
||||
network_security_group_name = azurerm_network_security_group.worker.name
|
||||
priority = "3005"
|
||||
access = "Deny"
|
||||
direction = "Inbound"
|
||||
|
|
@ -285,3 +285,4 @@ resource "azurerm_network_security_rule" "worker-deny-all" {
|
|||
source_address_prefix = "*"
|
||||
destination_address_prefix = "*"
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,50 +1,48 @@
|
|||
# Secure copy etcd TLS assets to controllers.
|
||||
resource "null_resource" "copy-controller-secrets" {
|
||||
count = "${var.controller_count}"
|
||||
count = var.controller_count
|
||||
|
||||
depends_on = [
|
||||
"azurerm_virtual_machine.controllers",
|
||||
]
|
||||
depends_on = [azurerm_virtual_machine.controllers]
|
||||
|
||||
connection {
|
||||
type = "ssh"
|
||||
host = "${element(azurerm_public_ip.controllers.*.ip_address, count.index)}"
|
||||
host = element(azurerm_public_ip.controllers.*.ip_address, count.index)
|
||||
user = "core"
|
||||
timeout = "15m"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_ca_cert}"
|
||||
content = module.bootkube.etcd_ca_cert
|
||||
destination = "$HOME/etcd-client-ca.crt"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_client_cert}"
|
||||
content = module.bootkube.etcd_client_cert
|
||||
destination = "$HOME/etcd-client.crt"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_client_key}"
|
||||
content = module.bootkube.etcd_client_key
|
||||
destination = "$HOME/etcd-client.key"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_server_cert}"
|
||||
content = module.bootkube.etcd_server_cert
|
||||
destination = "$HOME/etcd-server.crt"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_server_key}"
|
||||
content = module.bootkube.etcd_server_key
|
||||
destination = "$HOME/etcd-server.key"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_peer_cert}"
|
||||
content = module.bootkube.etcd_peer_cert
|
||||
destination = "$HOME/etcd-peer.crt"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
content = "${module.bootkube.etcd_peer_key}"
|
||||
content = module.bootkube.etcd_peer_key
|
||||
destination = "$HOME/etcd-peer.key"
|
||||
}
|
||||
|
||||
|
|
@ -68,21 +66,21 @@ resource "null_resource" "copy-controller-secrets" {
|
|||
# one-time self-hosted cluster bootstrapping.
|
||||
resource "null_resource" "bootkube-start" {
|
||||
depends_on = [
|
||||
"module.bootkube",
|
||||
"module.workers",
|
||||
"azurerm_dns_a_record.apiserver",
|
||||
"null_resource.copy-controller-secrets",
|
||||
module.bootkube,
|
||||
module.workers,
|
||||
azurerm_dns_a_record.apiserver,
|
||||
null_resource.copy-controller-secrets,
|
||||
]
|
||||
|
||||
connection {
|
||||
type = "ssh"
|
||||
host = "${element(azurerm_public_ip.controllers.*.ip_address, 0)}"
|
||||
host = element(azurerm_public_ip.controllers.*.ip_address, 0)
|
||||
user = "core"
|
||||
timeout = "15m"
|
||||
}
|
||||
|
||||
provisioner "file" {
|
||||
source = "${var.asset_dir}"
|
||||
source = var.asset_dir
|
||||
destination = "$HOME/assets"
|
||||
}
|
||||
|
||||
|
|
@ -93,3 +91,4 @@ resource "null_resource" "bootkube-start" {
|
|||
]
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,77 +1,77 @@
|
|||
variable "cluster_name" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Unique cluster name (prepended to dns_zone)"
|
||||
}
|
||||
|
||||
# Azure
|
||||
|
||||
variable "region" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Azure Region (e.g. centralus , see `az account list-locations --output table`)"
|
||||
}
|
||||
|
||||
variable "dns_zone" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Azure DNS Zone (e.g. azure.example.com)"
|
||||
}
|
||||
|
||||
variable "dns_zone_group" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Resource group where the Azure DNS Zone resides (e.g. global)"
|
||||
}
|
||||
|
||||
# instances
|
||||
|
||||
variable "controller_count" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "1"
|
||||
description = "Number of controllers (i.e. masters)"
|
||||
}
|
||||
|
||||
variable "worker_count" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "1"
|
||||
description = "Number of workers"
|
||||
}
|
||||
|
||||
variable "controller_type" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "Standard_DS1_v2"
|
||||
description = "Machine type for controllers (see `az vm list-skus --location centralus`)"
|
||||
}
|
||||
|
||||
variable "worker_type" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "Standard_F1"
|
||||
description = "Machine type for workers (see `az vm list-skus --location centralus`)"
|
||||
}
|
||||
|
||||
variable "os_image" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "coreos-stable"
|
||||
description = "Channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha)"
|
||||
}
|
||||
|
||||
variable "disk_size" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "40"
|
||||
description = "Size of the disk in GB"
|
||||
}
|
||||
|
||||
variable "worker_priority" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "Regular"
|
||||
description = "Set worker priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time."
|
||||
}
|
||||
|
||||
variable "controller_clc_snippets" {
|
||||
type = "list"
|
||||
type = list(string)
|
||||
description = "Controller Container Linux Config snippets"
|
||||
default = []
|
||||
}
|
||||
|
||||
variable "worker_clc_snippets" {
|
||||
type = "list"
|
||||
type = list(string)
|
||||
description = "Worker Container Linux Config snippets"
|
||||
default = []
|
||||
}
|
||||
|
|
@ -79,30 +79,30 @@ variable "worker_clc_snippets" {
|
|||
# configuration
|
||||
|
||||
variable "ssh_authorized_key" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "SSH public key for user 'core'"
|
||||
}
|
||||
|
||||
variable "asset_dir" {
|
||||
description = "Path to a directory where generated assets should be placed (contains secrets)"
|
||||
type = "string"
|
||||
type = string
|
||||
}
|
||||
|
||||
variable "networking" {
|
||||
description = "Choice of networking provider (flannel or calico)"
|
||||
type = "string"
|
||||
type = string
|
||||
default = "flannel"
|
||||
}
|
||||
|
||||
variable "host_cidr" {
|
||||
description = "CIDR IPv4 range to assign to instances"
|
||||
type = "string"
|
||||
type = string
|
||||
default = "10.0.0.0/16"
|
||||
}
|
||||
|
||||
variable "pod_cidr" {
|
||||
description = "CIDR IPv4 range to assign Kubernetes pods"
|
||||
type = "string"
|
||||
type = string
|
||||
default = "10.2.0.0/16"
|
||||
}
|
||||
|
||||
|
|
@ -112,24 +112,26 @@ CIDR IPv4 range to assign Kubernetes services.
|
|||
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
|
||||
EOD
|
||||
|
||||
type = "string"
|
||||
|
||||
type = string
|
||||
default = "10.3.0.0/16"
|
||||
}
|
||||
|
||||
variable "cluster_domain_suffix" {
|
||||
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
|
||||
type = "string"
|
||||
type = string
|
||||
default = "cluster.local"
|
||||
}
|
||||
|
||||
variable "enable_reporting" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Enable usage or analytics reporting to upstreams (Calico)"
|
||||
default = "false"
|
||||
}
|
||||
|
||||
variable "enable_aggregation" {
|
||||
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
|
||||
type = "string"
|
||||
type = string
|
||||
default = "false"
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,12 @@
|
|||
# Terraform version and plugin versions
|
||||
|
||||
terraform {
|
||||
required_version = "~> 0.12.0"
|
||||
required_providers {
|
||||
azurerm = "~> 1.27"
|
||||
ct = "~> 0.3.2"
|
||||
template = "~> 2.1"
|
||||
null = "~> 2.1"
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1,23 +1,24 @@
|
|||
module "workers" {
|
||||
source = "./workers"
|
||||
name = "${var.cluster_name}"
|
||||
name = var.cluster_name
|
||||
|
||||
# Azure
|
||||
resource_group_name = "${azurerm_resource_group.cluster.name}"
|
||||
region = "${azurerm_resource_group.cluster.location}"
|
||||
subnet_id = "${azurerm_subnet.worker.id}"
|
||||
security_group_id = "${azurerm_network_security_group.worker.id}"
|
||||
backend_address_pool_id = "${azurerm_lb_backend_address_pool.worker.id}"
|
||||
resource_group_name = azurerm_resource_group.cluster.name
|
||||
region = azurerm_resource_group.cluster.location
|
||||
subnet_id = azurerm_subnet.worker.id
|
||||
security_group_id = azurerm_network_security_group.worker.id
|
||||
backend_address_pool_id = azurerm_lb_backend_address_pool.worker.id
|
||||
|
||||
worker_count = "${var.worker_count}"
|
||||
vm_type = "${var.worker_type}"
|
||||
os_image = "${var.os_image}"
|
||||
priority = "${var.worker_priority}"
|
||||
worker_count = var.worker_count
|
||||
vm_type = var.worker_type
|
||||
os_image = var.os_image
|
||||
priority = var.worker_priority
|
||||
|
||||
# configuration
|
||||
kubeconfig = "${module.bootkube.kubeconfig-kubelet}"
|
||||
ssh_authorized_key = "${var.ssh_authorized_key}"
|
||||
service_cidr = "${var.service_cidr}"
|
||||
cluster_domain_suffix = "${var.cluster_domain_suffix}"
|
||||
clc_snippets = "${var.worker_clc_snippets}"
|
||||
kubeconfig = module.bootkube.kubeconfig-kubelet
|
||||
ssh_authorized_key = var.ssh_authorized_key
|
||||
service_cidr = var.service_cidr
|
||||
cluster_domain_suffix = var.cluster_domain_suffix
|
||||
clc_snippets = var.worker_clc_snippets
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,63 +1,63 @@
|
|||
variable "name" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Unique name for the worker pool"
|
||||
}
|
||||
|
||||
# Azure
|
||||
|
||||
variable "region" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to the Azure Region of cluster"
|
||||
}
|
||||
|
||||
variable "resource_group_name" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to the resource group name of cluster"
|
||||
}
|
||||
|
||||
variable "subnet_id" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to the `worker_subnet_id` output by cluster"
|
||||
}
|
||||
|
||||
variable "security_group_id" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to the `worker_security_group_id` output by cluster"
|
||||
}
|
||||
|
||||
variable "backend_address_pool_id" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to the `worker_backend_address_pool_id` output by cluster"
|
||||
}
|
||||
|
||||
# instances
|
||||
|
||||
variable "worker_count" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "1"
|
||||
description = "Number of instances"
|
||||
}
|
||||
|
||||
variable "vm_type" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "Standard_F1"
|
||||
description = "Machine type for instances (see `az vm list-skus --location centralus`)"
|
||||
}
|
||||
|
||||
variable "os_image" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "coreos-stable"
|
||||
description = "Channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha)"
|
||||
}
|
||||
|
||||
variable "priority" {
|
||||
type = "string"
|
||||
type = string
|
||||
default = "Regular"
|
||||
description = "Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be evicted at any time."
|
||||
}
|
||||
|
||||
variable "clc_snippets" {
|
||||
type = "list"
|
||||
type = list(string)
|
||||
description = "Container Linux Config snippets"
|
||||
default = []
|
||||
}
|
||||
|
|
@ -65,12 +65,12 @@ variable "clc_snippets" {
|
|||
# configuration
|
||||
|
||||
variable "kubeconfig" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "Must be set to `kubeconfig` output by cluster"
|
||||
}
|
||||
|
||||
variable "ssh_authorized_key" {
|
||||
type = "string"
|
||||
type = string
|
||||
description = "SSH public key for user 'core'"
|
||||
}
|
||||
|
||||
|
|
@ -80,12 +80,14 @@ CIDR IPv4 range to assign Kubernetes services.
|
|||
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
|
||||
EOD
|
||||
|
||||
type = "string"
|
||||
|
||||
type = string
|
||||
default = "10.3.0.0/16"
|
||||
}
|
||||
|
||||
variable "cluster_domain_suffix" {
|
||||
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
|
||||
type = "string"
|
||||
type = string
|
||||
default = "cluster.local"
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,4 @@
|
|||
|
||||
terraform {
|
||||
required_version = ">= 0.12"
|
||||
}
|
||||
|
|
@ -1,28 +1,28 @@
|
|||
locals {
|
||||
# Channel for a Container Linux derivative
|
||||
# coreos-stable -> Container Linux Stable
|
||||
channel = "${element(split("-", var.os_image), 1)}"
|
||||
channel = element(split("-", var.os_image), 1)
|
||||
}
|
||||
|
||||
# Workers scale set
|
||||
resource "azurerm_virtual_machine_scale_set" "workers" {
|
||||
resource_group_name = "${var.resource_group_name}"
|
||||
resource_group_name = var.resource_group_name
|
||||
|
||||
name = "${var.name}-workers"
|
||||
location = "${var.region}"
|
||||
location = var.region
|
||||
single_placement_group = false
|
||||
|
||||
sku {
|
||||
name = "${var.vm_type}"
|
||||
name = var.vm_type
|
||||
tier = "standard"
|
||||
capacity = "${var.worker_count}"
|
||||
capacity = var.worker_count
|
||||
}
|
||||
|
||||
# boot
|
||||
storage_profile_image_reference {
|
||||
publisher = "CoreOS"
|
||||
offer = "CoreOS"
|
||||
sku = "${local.channel}"
|
||||
sku = local.channel
|
||||
version = "latest"
|
||||
}
|
||||
|
||||
|
|
@ -37,7 +37,7 @@ resource "azurerm_virtual_machine_scale_set" "workers" {
|
|||
os_profile {
|
||||
computer_name_prefix = "${var.name}-worker-"
|
||||
admin_username = "core"
|
||||
custom_data = "${data.ct_config.worker-ignition.rendered}"
|
||||
custom_data = data.ct_config.worker-ignition.rendered
|
||||
}
|
||||
|
||||
# Azure mandates setting an ssh_key, even though Ignition custom_data handles it too
|
||||
|
|
@ -46,7 +46,7 @@ resource "azurerm_virtual_machine_scale_set" "workers" {
|
|||
|
||||
ssh_keys {
|
||||
path = "/home/core/.ssh/authorized_keys"
|
||||
key_data = "${var.ssh_authorized_key}"
|
||||
key_data = var.ssh_authorized_key
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -54,61 +54,62 @@ resource "azurerm_virtual_machine_scale_set" "workers" {
|
|||
network_profile {
|
||||
name = "nic0"
|
||||
primary = true
|
||||
network_security_group_id = "${var.security_group_id}"
|
||||
network_security_group_id = var.security_group_id
|
||||
|
||||
ip_configuration {
|
||||
name = "ip0"
|
||||
primary = true
|
||||
subnet_id = "${var.subnet_id}"
|
||||
subnet_id = var.subnet_id
|
||||
|
||||
# backend address pool to which the NIC should be added
|
||||
load_balancer_backend_address_pool_ids = ["${var.backend_address_pool_id}"]
|
||||
load_balancer_backend_address_pool_ids = [var.backend_address_pool_id]
|
||||
}
|
||||
}
|
||||
|
||||
# lifecycle
|
||||
upgrade_policy_mode = "Manual"
|
||||
priority = "${var.priority}"
|
||||
priority = var.priority
|
||||
eviction_policy = "Delete"
|
||||
}
|
||||
|
||||
# Scale up or down to maintain desired number, tolerating deallocations.
|
||||
resource "azurerm_monitor_autoscale_setting" "workers" {
|
||||
resource_group_name = "${var.resource_group_name}"
|
||||
resource_group_name = var.resource_group_name
|
||||
|
||||
name = "${var.name}-maintain-desired"
|
||||
location = "${var.region}"
|
||||
location = var.region
|
||||
|
||||
# autoscale
|
||||
enabled = true
|
||||
target_resource_id = "${azurerm_virtual_machine_scale_set.workers.id}"
|
||||
target_resource_id = azurerm_virtual_machine_scale_set.workers.id
|
||||
|
||||
profile {
|
||||
name = "default"
|
||||
|
||||
capacity {
|
||||
minimum = "${var.worker_count}"
|
||||
default = "${var.worker_count}"
|
||||
maximum = "${var.worker_count}"
|
||||
minimum = var.worker_count
|
||||
default = var.worker_count
|
||||
maximum = var.worker_count
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Worker Ignition configs
|
||||
data "ct_config" "worker-ignition" {
|
||||
content = "${data.template_file.worker-config.rendered}"
|
||||
content = data.template_file.worker-config.rendered
|
||||
pretty_print = false
|
||||
snippets = ["${var.clc_snippets}"]
|
||||
snippets = var.clc_snippets
|
||||
}
|
||||
|
||||
# Worker Container Linux configs
|
||||
data "template_file" "worker-config" {
|
||||
template = "${file("${path.module}/cl/worker.yaml.tmpl")}"
|
||||
template = file("${path.module}/cl/worker.yaml.tmpl")
|
||||
|
||||
vars = {
|
||||
kubeconfig = "${indent(10, var.kubeconfig)}"
|
||||
ssh_authorized_key = "${var.ssh_authorized_key}"
|
||||
cluster_dns_service_ip = "${cidrhost(var.service_cidr, 10)}"
|
||||
cluster_domain_suffix = "${var.cluster_domain_suffix}"
|
||||
kubeconfig = indent(10, var.kubeconfig)
|
||||
ssh_authorized_key = var.ssh_authorized_key
|
||||
cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
|
||||
cluster_domain_suffix = var.cluster_domain_suffix
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -80,21 +80,17 @@ Create a cluster following the Azure [tutorial](../cl/azure.md#cluster). Define
|
|||
module "ramius-worker-pool" {
|
||||
source = "git::https://github.com/poseidon/typhoon//azure/container-linux/kubernetes/workers?ref=v1.14.3"
|
||||
|
||||
providers = {
|
||||
azurerm = "azurerm.default"
|
||||
}
|
||||
|
||||
# Azure
|
||||
region = "${module.azure-ramius.region}"
|
||||
resource_group_name = "${module.azure-ramius.resource_group_name}"
|
||||
subnet_id = "${module.azure-ramius.subnet_id}"
|
||||
security_group_id = "${module.azure-ramius.security_group_id}"
|
||||
backend_address_pool_id = "${module.azure-ramius.backend_address_pool_id}"
|
||||
region = module.azure-ramius.region
|
||||
resource_group_name = module.azure-ramius.resource_group_name
|
||||
subnet_id = module.azure-ramius.subnet_id
|
||||
security_group_id = module.azure-ramius.security_group_id
|
||||
backend_address_pool_id = module.azure-ramius.backend_address_pool_id
|
||||
|
||||
# configuration
|
||||
name = "ramius-low-priority"
|
||||
kubeconfig = "${module.azure-ramius.kubeconfig}"
|
||||
ssh_authorized_key = "${var.ssh_authorized_key}"
|
||||
kubeconfig = module.azure-ramius.kubeconfig
|
||||
ssh_authorized_key = var.ssh_authorized_key
|
||||
|
||||
# optional
|
||||
worker_count = 2
|
||||
|
|
@ -120,12 +116,12 @@ The Azure internal `workers` module supports a number of [variables](https://git
|
|||
| Name | Description | Example |
|
||||
|:-----|:------------|:--------|
|
||||
| name | Unique name (distinct from cluster name) | "ramius-f4" |
|
||||
| region | Must be set to `region` output by cluster | "${module.cluster.region}" |
|
||||
| resource_group_name | Must be set to `resource_group_name` output by cluster | "${module.cluster.resource_group_name}" |
|
||||
| subnet_id | Must be set to `subnet_id` output by cluster | "${module.cluster.subnet_id}" |
|
||||
| security_group_id | Must be set to `security_group_id` output by cluster | "${module.cluster.security_group_id}" |
|
||||
| backend_address_pool_id | Must be set to `backend_address_pool_id` output by cluster | "${module.cluster.backend_address_pool_id}" |
|
||||
| kubeconfig | Must be set to `kubeconfig` output by cluster | "${module.cluster.kubeconfig}" |
|
||||
| region | Must be set to `region` output by cluster | module.cluster.region |
|
||||
| resource_group_name | Must be set to `resource_group_name` output by cluster | module.cluster.resource_group_name |
|
||||
| subnet_id | Must be set to `subnet_id` output by cluster | module.cluster.subnet_id |
|
||||
| security_group_id | Must be set to `security_group_id` output by cluster | module.cluster.security_group_id |
|
||||
| backend_address_pool_id | Must be set to `backend_address_pool_id` output by cluster | module.cluster.backend_address_pool_id |
|
||||
| kubeconfig | Must be set to `kubeconfig` output by cluster | module.cluster.kubeconfig |
|
||||
| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3NZ..." |
|
||||
|
||||
#### Optional
|
||||
|
|
|
|||
|
|
@ -13,15 +13,15 @@ Controllers are provisioned to run an `etcd-member` peer and a `kubelet` service
|
|||
|
||||
* Azure account
|
||||
* Azure DNS Zone (registered Domain Name or delegated subdomain)
|
||||
* Terraform v0.11.x and [terraform-provider-ct](https://github.com/poseidon/terraform-provider-ct) installed locally
|
||||
* Terraform v0.12.x and [terraform-provider-ct](https://github.com/poseidon/terraform-provider-ct) installed locally
|
||||
|
||||
## Terraform Setup
|
||||
|
||||
Install [Terraform](https://www.terraform.io/downloads.html) v0.11.x on your system.
|
||||
Install [Terraform](https://www.terraform.io/downloads.html) v0.12.x on your system.
|
||||
|
||||
```sh
|
||||
$ terraform version
|
||||
Terraform v0.11.14
|
||||
Terraform v0.12.0
|
||||
```
|
||||
|
||||
Add the [terraform-provider-ct](https://github.com/poseidon/terraform-provider-ct) plugin binary for your system to `~/.terraform.d/plugins/`, noting the final name.
|
||||
|
|
@ -50,33 +50,12 @@ Configure the Azure provider in a `providers.tf` file.
|
|||
|
||||
```tf
|
||||
provider "azurerm" {
|
||||
version = "~> 1.29.0"
|
||||
alias = "default"
|
||||
version = "1.29.0"
|
||||
}
|
||||
|
||||
provider "ct" {
|
||||
version = "0.3.2"
|
||||
}
|
||||
|
||||
provider "local" {
|
||||
version = "~> 1.0"
|
||||
alias = "default"
|
||||
}
|
||||
|
||||
provider "null" {
|
||||
version = "~> 1.0"
|
||||
alias = "default"
|
||||
}
|
||||
|
||||
provider "template" {
|
||||
version = "~> 1.0"
|
||||
alias = "default"
|
||||
}
|
||||
|
||||
provider "tls" {
|
||||
version = "~> 1.0"
|
||||
alias = "default"
|
||||
}
|
||||
```
|
||||
|
||||
Additional configuration options are described in the `azurerm` provider [docs](https://www.terraform.io/docs/providers/azurerm/).
|
||||
|
|
@ -87,15 +66,7 @@ Define a Kubernetes cluster using the module `azure/container-linux/kubernetes`.
|
|||
|
||||
```tf
|
||||
module "azure-ramius" {
|
||||
source = "git::https://github.com/poseidon/typhoon//azure/container-linux/kubernetes?ref=v1.14.3"
|
||||
|
||||
providers = {
|
||||
azurerm = "azurerm.default"
|
||||
local = "local.default"
|
||||
null = "null.default"
|
||||
template = "template.default"
|
||||
tls = "tls.default"
|
||||
}
|
||||
source = "git::https://github.com/poseidon/typhoon//azure/container-linux/kubernetes?ref=v1.14.4"
|
||||
|
||||
# Azure
|
||||
cluster_name = "ramius"
|
||||
|
|
|
|||
Loading…
Reference in New Issue