This folder shows an example of Terraform code to deploy a Vault cluster in
AWS using the vault-cluster module. The Vault cluster uses
Consul as a storage backend, so this example also deploys a separate Consul server cluster
using the consul-cluster module
from the Consul AWS Module.
This example creates a private Vault cluster, which is private in the sense that the EC2 Instances are not fronted by a
load balancer, as is the case in the Vault Public Example. Keep in mind that if the Vault
nodes are deployed to public subnets (i.e. subnets that have a route to the public Internet), this "private" cluster will
still be accessible from the public Internet.
Each of the servers in this example has Dnsmasq installed (via the
install-dnsmasq module) or
setup-systemd-resolved
(in the case Ubuntu of 18.04)
which allows it to use the Consul server cluster for service discovery and thereby access Vault via DNS using the
domain name vault.service.consul. For an example of a Vault cluster
that is publicly accessible, see the root example.
For more info on how the Vault cluster works, check out the vault-cluster documentation.
Note: To keep this example as simple to deploy and test as possible, it deploys the Vault cluster into your default
VPC and default subnets, all of which are publicly accessible. This is OK for learning and experimenting, but for
production usage, we strongly recommend deploying the Vault cluster into the private subnets of a custom VPC.
Quick start
To deploy a Vault Cluster:
git clone this repo to your computer.
Optional: build a Vault and Consul AMI. See the vault-consul-ami
example documentation for
instructions. Make sure to note down the ID of the AMI.
Open variables.tf, set the environment variables specified at the top of the file, and fill in any other variables that
don't have a default. If you built a custom AMI, put the AMI ID into the ami_id variable. Otherwise, one of our
public example AMIs will be used by default. These AMIs are great for learning/experimenting, but are NOT
recommended for production use.
Run terraform init.
Run terraform apply.
Run the vault-examples-helper.sh script to
print out the IP addresses of the Vault servers and some example commands you can run to interact with the cluster:
../vault-examples-helper/vault-examples-helper.sh.
To see how to connect to the Vault cluster, initialize it, and start reading and writing secrets, head over to the
How do you use the Vault cluster? docs.
Questions? Ask away.
We're here to talk about our services, answer any questions, give advice, or just to chat.
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class=\"preview__body--title\" id=\"private-vault-cluster-example\">Private Vault Cluster Example</h1><div class=\"preview__body--border\"></div><p>This folder shows an example of Terraform code to deploy a <a href=\"https://www.vaultproject.io/\" class=\"preview__body--description--blue\" target=\"_blank\">Vault</a> cluster in\n<a href=\"https://aws.amazon.com/\" class=\"preview__body--description--blue\" target=\"_blank\">AWS</a> using the <a href=\"/repos/v0.13.4/terraform-aws-vault/modules/vault-cluster\" class=\"preview__body--description--blue\">vault-cluster module</a>. The Vault cluster uses\n<a href=\"https://www.consul.io/\" class=\"preview__body--description--blue\" target=\"_blank\">Consul</a> as a storage backend, so this example also deploys a separate Consul server cluster\nusing the <a href=\"/repos/terraform-aws-consul/modules/consul-cluster\" class=\"preview__body--description--blue\">consul-cluster module</a>\nfrom the Consul AWS Module.</p>\n<p>This example creates a private Vault cluster, which is private in the sense that the EC2 Instances are not fronted by a\nload balancer, as is the case in the <a href=\"/repos/v0.13.4/terraform-aws-vault/examples/root-example\" class=\"preview__body--description--blue\">Vault Public Example</a>. Keep in mind that if the Vault\nnodes are deployed to public subnets (i.e. subnets that have a route to the public Internet), this "private" cluster will\nstill be accessible from the public Internet.</p>\n<p>Each of the servers in this example has <a href=\"http://www.thekelleys.org.uk/dnsmasq/doc.html\" class=\"preview__body--description--blue\" target=\"_blank\">Dnsmasq</a> installed (via the\n<a href=\"/repos/terraform-aws-consul/modules/install-dnsmasq\" class=\"preview__body--description--blue\">install-dnsmasq module</a>) or\n<a href=\"/repos/terraform-aws-consul/modules/setup-systemd-resolved\" class=\"preview__body--description--blue\">setup-systemd-resolved</a>\n(in the case Ubuntu of 18.04)\nwhich allows it to use the Consul server cluster for service discovery and thereby access Vault via DNS using the\ndomain name <code>vault.service.consul</code>. For an example of a Vault cluster\nthat is publicly accessible, see <a href=\"/repos/v0.13.4/terraform-aws-vault/examples/root-example\" class=\"preview__body--description--blue\">the root example</a>.</p>\n<p><img src=\"/repos/images/v0.13.4/terraform-aws-vault/_docs/architecture.png?raw=true\" alt=\"Vault architecture\" class=\"preview__body--diagram\"></p>\n<p>You will need to create an <a href=\"http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html\" class=\"preview__body--description--blue\" target=\"_blank\">Amazon Machine Image (AMI)</a>\nthat has Vault and Consul installed, which you can do using the <a href=\"/repos/v0.13.4/terraform-aws-vault/examples/vault-consul-ami\" class=\"preview__body--description--blue\">vault-consul-ami example</a>).</p>\n<p>For more info on how the Vault cluster works, check out the <a href=\"/repos/v0.13.4/terraform-aws-vault/modules/vault-cluster\" class=\"preview__body--description--blue\">vault-cluster</a> documentation.</p>\n<p><strong>Note</strong>: To keep this example as simple to deploy and test as possible, it deploys the Vault cluster into your default\nVPC and default subnets, all of which are publicly accessible. This is OK for learning and experimenting, but for\nproduction usage, we strongly recommend deploying the Vault cluster into the private subnets of a custom VPC.</p>\n<h2 class=\"preview__body--subtitle\" id=\"quick-start\">Quick start</h2>\n<p>To deploy a Vault Cluster:</p>\n<ol>\n<li><code>git clone</code> this repo to your computer.</li>\n<li>Optional: build a Vault and Consul AMI. See the <a href=\"/repos/v0.13.4/terraform-aws-vault/examples/vault-consul-ami\" class=\"preview__body--description--blue\">vault-consul-ami\nexample</a> documentation for\ninstructions. Make sure to note down the ID of the AMI.</li>\n<li>Install <a href=\"https://www.terraform.io/\" class=\"preview__body--description--blue\" target=\"_blank\">Terraform</a>.</li>\n<li>Open <code>variables.tf</code>, set the environment variables specified at the top of the file, and fill in any other variables that\ndon't have a default. If you built a custom AMI, put the AMI ID into the <code>ami_id</code> variable. Otherwise, one of our\npublic example AMIs will be used by default. These AMIs are great for learning/experimenting, but are NOT\nrecommended for production use.</li>\n<li>Run <code>terraform init</code>.</li>\n<li>Run <code>terraform apply</code>.</li>\n<li>Run the <a href=\"/repos/v0.13.4/terraform-aws-vault/examples/vault-examples-helper/vault-examples-helper.sh\" class=\"preview__body--description--blue\">vault-examples-helper.sh script</a> to\nprint out the IP addresses of the Vault servers and some example commands you can run to interact with the cluster:\n<code>../vault-examples-helper/vault-examples-helper.sh</code>.</li>\n</ol>\n<p>To see how to connect to the Vault cluster, initialize it, and start reading and writing secrets, head over to the\n<a href=\"/repos/v0.13.4/terraform-aws-vault/modules/vault-cluster#how-do-you-use-the-vault-cluster\" class=\"preview__body--description--blue\">How do you use the Vault cluster?</a> docs.</p>\n","repoName":"terraform-aws-vault","repoRef":"v0.13.4","serviceDescriptor":{"serviceName":"HashiCorp Vault","serviceRepoName":"terraform-aws-vault","serviceRepoOrg":"hashicorp","cloudProviders":["aws"],"description":"Deploy a Vault cluster. Supports automatic bootstrapping, Consul and S3 backends, self-signed TLS certificates, and auto healing.","imageUrl":"vault.png","licenseType":"open-source","technologies":["Terraform","Bash"],"compliance":[],"tags":[""]},"serviceCategoryName":"Secrets management","fileName":"README.md","filePath":"/examples/vault-cluster-private","title":"Repo Browser: HashiCorp Vault","description":"Browse the repos in the Gruntwork Infrastructure as Code Library."}
.circleci
main.tf
