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terraform-vault/modules/vault_cluster/modules/rancher_secret_backend/variables.tf
T
unkinben 87e3ada14f
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Mount the rancher secrets engine + seed a service account + roles (#93)
## Why

Deploy the new Rancher token secrets engine into the cluster (the last of the 4 wiring PRs), mirroring the litellm/gpg pattern. Users can then `vault read rancher/creds/<role>` for short-lived, cluster-scoped Rancher tokens, backed by a seeded admin token the engine auto-rotates before Rancher's 90-day cap.

## Changes

- 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); the seed token is read from KV, not git.
- Add `rancher_secret_backend_role` module + a `ci` role (1h/8h, cluster+TTL scoped).
- Wire `config.hcl` discovery, module variables, `main.tf` blocks, terragrunt inputs, and the `rancher` provider in `root.hcl`.
- Config: `config/rancher_secret_backend/rancher.yaml`, `.../service_account/rancher/admin.yaml`, `.../role/rancher/ci.yaml`.

## Prerequisite

Populate `kv/service/vault/au/syd1/secret_backend/rancher/service_account/admin` with a live Rancher admin token (keys: `token`, optional `token_name`) **before** apply, exactly as litellm's `master_key` is seeded in KV.

## Merge order

Part 4 of 4 (last). Requires: puppet install (#483) → deployer policy (#91) → plugin import (#92) → this. The `plan` needs the KV seed present, so seed KV first.

---------

Co-authored-by: Ben Vincent <neotheo@gmail.com>
Reviewed-on: #93
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>
2026-07-18 16:16:54 +10:00

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Terraform

variable "path" {
description = "Mount path of the rancher secrets engine (e.g. \"rancher\")"
type = string
}
variable "plugin" {
description = "Registered plugin name to mount (the catalog name = mount type)"
type = string
default = "vault-plugin-secrets-rancher"
}
variable "description" {
description = "Human-friendly description of the mount"
type = string
default = null
}
variable "rancher_url" {
description = "Base URL of the Rancher server (e.g. https://rancher.k8s.syd1.au.unkin.net)"
type = string
}
variable "ca_cert" {
description = "PEM CA certificate that signed the Rancher server's TLS cert (optional; omit to use the system trust store)"
type = string
default = null
}
variable "tls_skip_verify" {
description = "Skip TLS verification of the Rancher server (not recommended)"
type = bool
default = false
}
variable "request_timeout_seconds" {
description = "HTTP timeout in seconds for calls from the plugin to Rancher"
type = number
default = 30
}