Files
terraform-vault/environments/root.hcl
T
Ben Vincent f887489193
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Mount the rancher secrets engine + seed a service account + roles
Deploys the Rancher token secrets engine into the cluster, mirroring the litellm
and gpg wiring. The plugin is registered separately (config/plugins) and the
deployer policy is granted separately; this mounts and configures the engine.

- Add rancher_secret_backend module (mount + config via the ranchervaultsecret
  provider): rancher_url https://rancher.k8s.syd1.au.unkin.net.
- Add rancher_secret_backend_service_account module: seeds an auto-rotated token
  (90d TTL / 45d rotation), reading the seed token from KV at
  secret_backend/rancher/service_account/<name> (keys: token, token_name).
- Add rancher_secret_backend_role module + a 'ci' role (1h/8h scoped creds).
- Wire config.hcl discovery, module variables, main.tf module blocks, the
  terragrunt inputs, and the rancher provider in root.hcl.

Prereq: populate kv/service/vault/au/syd1/secret_backend/rancher/service_account/admin
with a live Rancher admin token before apply.
2026-07-17 23:45:48 +10:00

66 lines
1.6 KiB
HCL

# Generate root backend.tf
generate "backend" {
path = "backend.tf"
if_exists = "overwrite"
contents = <<EOF
locals {
vault_addr = "https://vault.service.consul:8200"
}
provider "vault" {
address = local.vault_addr
}
# The LiteLLM secrets engine is managed through its own provider, which talks to
# the same Vault server. Token falls back to the VAULT_TOKEN environment variable.
provider "litellm" {
address = local.vault_addr
}
# The gpg secrets engine's keys are managed through its own provider (same Vault
# server; token falls back to VAULT_TOKEN).
provider "gpg" {
address = local.vault_addr
}
# The rancher token secrets engine is managed through its own provider (same
# Vault server; token falls back to VAULT_TOKEN).
provider "rancher" {
address = local.vault_addr
}
terraform {
backend "consul" {
address = "https://consul.service.consul"
path = "infra/terraform/vault/${path_relative_to_include()}/state"
scheme = "https"
lock = true
ca_file = "/etc/pki/tls/certs/ca-bundle.crt"
}
required_version = ">= 1.10"
required_providers {
vault = {
source = "hashicorp/vault"
version = "5.6.0"
}
consul = {
source = "hashicorp/consul"
version = "2.23.0"
}
litellm = {
source = "artifactapi.k8s.syd1.au.unkin.net/terraform-unkin/litellmvaultsecret"
version = "0.1.0"
}
gpg = {
source = "artifactapi.k8s.syd1.au.unkin.net/terraform-unkin/gpgvaultsecret"
version = "0.1.0"
}
rancher = {
source = "artifactapi.k8s.syd1.au.unkin.net/terraform-unkin/ranchervaultsecret"
version = "0.1.0"
}
}
}
EOF
}