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174da88b9d
* VAULT-28146: Add IPV6 support to enos scenarios Add support for testing all raft storage scenarios and variants when running Vault with IPV6 networking. We retain our previous support for IPV4 and create a new variant `ip_version` which can be used to configure the IP version that we wish to test with. It's important to note that the VPC in IPV6 mode is technically mixed and that target machines still associate public IPV6 addresses. That allows us to execute our resources against them from IPV4 networks like developer machines and CI runners. Despite that, we've taken care to ensure that only IPV6 addresses are used in IPV6 mode. Because we previously had assumed the IP Version, Vault address, and listener ports in so many places, this PR is essentially a rewrite and removal of those assumptions. There are also a few places where improvements to scenarios have been included as I encountered them while working on the IPV6 changes. Signed-off-by: Ryan Cragun <me@ryan.ec>
130 lines
3.3 KiB
HCL
130 lines
3.3 KiB
HCL
# Copyright (c) HashiCorp, Inc.
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# SPDX-License-Identifier: BUSL-1.1
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# This module unseals the replication secondary follower nodes
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terraform {
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required_providers {
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enos = {
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source = "registry.terraform.io/hashicorp-forge/enos"
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}
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}
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}
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variable "hosts" {
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type = map(object({
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ipv6 = string
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private_ip = string
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public_ip = string
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}))
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description = "The Vault cluster hosts to unseal"
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}
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variable "vault_addr" {
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type = string
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description = "The local vault API listen address"
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}
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variable "vault_install_dir" {
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type = string
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description = "The directory where the Vault binary will be installed"
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}
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variable "vault_seal_type" {
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type = string
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description = "The Vault seal type"
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}
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variable "vault_unseal_keys" {}
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locals {
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vault_bin_path = "${var.vault_install_dir}/vault"
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}
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# After replication is enabled the secondary follower nodes are expected to be sealed,
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# so we wait for the secondary follower nodes to update the seal status
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resource "enos_remote_exec" "wait_until_sealed" {
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for_each = var.hosts
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environment = {
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VAULT_ADDR = var.vault_addr
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VAULT_INSTALL_DIR = var.vault_install_dir
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}
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scripts = [abspath("${path.module}/scripts/wait-until-sealed.sh")]
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transport = {
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ssh = {
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host = each.value.public_ip
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}
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}
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}
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# The follower nodes on secondary replication cluster incorrectly report
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# unseal progress 2/3 (Issue: https://hashicorp.atlassian.net/browse/VAULT-12309),
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# so we restart the followers to allow them to auto-unseal
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resource "enos_remote_exec" "restart_followers" {
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depends_on = [enos_remote_exec.wait_until_sealed]
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for_each = {
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for idx, host in var.hosts : idx => host
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if var.vault_seal_type != "shamir"
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}
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inline = ["sudo systemctl restart vault"]
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transport = {
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ssh = {
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host = each.value.public_ip
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}
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}
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}
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# We cannot use the vault_unseal resouce due to the known issue
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# (https://hashicorp.atlassian.net/browse/VAULT-12311). We use a custom
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# script to allow retry for unsealing the secondary followers
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resource "enos_remote_exec" "unseal_followers" {
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depends_on = [enos_remote_exec.restart_followers]
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# The unseal keys are required only for seal_type shamir
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for_each = {
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for idx, host in var.hosts : idx => host
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if var.vault_seal_type == "shamir"
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}
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environment = {
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VAULT_ADDR = var.vault_addr
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VAULT_INSTALL_DIR = var.vault_install_dir
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UNSEAL_KEYS = join(",", var.vault_unseal_keys)
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}
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scripts = [abspath("${path.module}/scripts/unseal-node.sh")]
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transport = {
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ssh = {
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host = each.value.public_ip
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}
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}
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}
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# This is a second attempt needed to unseal the secondary followers
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# using a custom script due to get past the known issue
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# (https://hashicorp.atlassian.net/browse/VAULT-12311)
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resource "enos_remote_exec" "unseal_followers_again" {
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depends_on = [enos_remote_exec.unseal_followers]
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for_each = {
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for idx, host in var.hosts : idx => host
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if var.vault_seal_type == "shamir"
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}
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environment = {
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VAULT_ADDR = var.vault_addr
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VAULT_INSTALL_DIR = var.vault_install_dir
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UNSEAL_KEYS = join(",", var.vault_unseal_keys)
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}
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scripts = [abspath("${path.module}/scripts/unseal-node.sh")]
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transport = {
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ssh = {
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host = each.value.public_ip
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}
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}
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}
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