Ben Vincent
f887489193
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.
244 lines
10 KiB
HCL
244 lines
10 KiB
HCL
# =============================================================================
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# VAULT MODULE CONFIGURATION SYSTEM
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# =============================================================================
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#
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# This file automatically discovers and organizes YAML configuration files
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# for Vault modules, creating structured configuration maps for Terraform.
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#
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# HOW IT WORKS:
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# 1. Scans all subdirectories for *.yaml files
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# 2. Groups files by module type based on directory structure
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# 3. Creates unique resource keys to prevent naming conflicts
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# 4. Adds computed fields like name, backend, etc. from file paths
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#
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# DIRECTORY STRUCTURE:
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# config/
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# ├── auth_approle_role/
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# │ └── approle/
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# │ ├── certmanager.yaml # Creates key: "approle/certmanager"
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# │ └── myapp.yaml # Creates key: "approle/myapp"
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# ├── auth_kubernetes_role/
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# │ └── k8s/au/syd1/
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# │ ├── default.yaml # Creates key: "k8s/au/syd1/default"
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# │ └── myapp.yaml # Creates key: "k8s/au/syd1/myapp"
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# └── kv_secret_backend/
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# ├── kv.yaml # Creates key: "kv"
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# └── secrets.yaml # Creates key: "secrets"
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#
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# EXAMPLE YAML FILE (config/auth_approle_role/approle/myapp.yaml):
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# ```yaml
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# token_ttl: 3600
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# token_max_ttl: 7200
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# bind_secret_id: true
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# token_bound_cidrs:
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# - "10.0.0.0/8"
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# ```
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#
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# This becomes:
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# ```hcl
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# auth_approle_role = {
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# "approle/myapp" = {
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# approle_name = "myapp" # Auto-computed from filename
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# mount_path = "approle" # Auto-computed from directory
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# token_ttl = 3600 # From YAML content
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# token_max_ttl = 7200 # From YAML content
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# bind_secret_id = true # From YAML content
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# token_bound_cidrs = ["10.0.0.0/8"]
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# }
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# }
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# ```
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#
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# KEY NAMING PATTERNS:
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# - Simple backends: filename only (e.g., "kv", "transit")
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# - Role-based resources: full path without extension (e.g., "approle/myapp")
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# - This ensures uniqueness when multiple backends have similar role names
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#
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# GENERATED OUTPUTS:
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# - config.auth_approle_backend, config.auth_approle_role, etc.
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# - Each module gets its own map with properly structured configuration
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#
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# =============================================================================
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locals {
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# Find all YAML files in subdirectories
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config_files = fileset(".", "**/*.yaml")
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# Create a flat map of all files with their content
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all_configs = {
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for file_path in local.config_files :
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file_path => yamldecode(file(file_path))
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}
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# Group by module directory (first part of path)
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config = {
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auth_approle_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "auth_approle_backend/")
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}
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auth_approle_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "auth_approle_role/", ""), ".yaml") => merge(content, {
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approle_name = trimsuffix(basename(file_path), ".yaml")
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mount_path = split("/", replace(file_path, "auth_approle_role/", ""))[0]
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})
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if startswith(file_path, "auth_approle_role/")
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}
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auth_ldap_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "auth_ldap_backend/")
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}
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auth_ldap_group = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "auth_ldap_group/", ""), ".yaml") => merge(content, {
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groupname = trimsuffix(basename(file_path), ".yaml")
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backend = split("/", replace(file_path, "auth_ldap_group/", ""))[0]
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})
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if startswith(file_path, "auth_ldap_group/")
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}
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auth_kubernetes_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "auth_kubernetes_backend/", ""), ".yaml") => content
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if startswith(file_path, "auth_kubernetes_backend/")
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}
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auth_kubernetes_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "auth_kubernetes_role/", ""), ".yaml") => merge(content, {
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role_name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "auth_kubernetes_role/", ""))
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})
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if startswith(file_path, "auth_kubernetes_role/")
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}
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kv_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "kv_secret_backend/")
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}
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transit_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "transit_secret_backend/")
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}
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transit_secret_backend_key = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "transit_secret_backend_key/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "transit_secret_backend_key/", ""))
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})
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if startswith(file_path, "transit_secret_backend_key/")
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}
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ssh_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "ssh_secret_backend/")
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}
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ssh_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "ssh_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "ssh_secret_backend_role/", ""))
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})
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if startswith(file_path, "ssh_secret_backend_role/")
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}
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pki_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "pki_secret_backend/", ""), ".yaml") => content
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if startswith(file_path, "pki_secret_backend/")
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}
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pki_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "pki_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "pki_secret_backend_role/", ""))
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})
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if startswith(file_path, "pki_secret_backend_role/")
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}
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kubernetes_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "kubernetes_secret_backend/", ""), ".yaml") => content
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if startswith(file_path, "kubernetes_secret_backend/")
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}
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kubernetes_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "kubernetes_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "kubernetes_secret_backend_role/", ""))
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})
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if startswith(file_path, "kubernetes_secret_backend_role/")
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}
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consul_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "consul_secret_backend/", ""), ".yaml") => content
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if startswith(file_path, "consul_secret_backend/")
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}
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consul_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "consul_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "consul_secret_backend_role/", ""))
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})
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if startswith(file_path, "consul_secret_backend_role/")
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}
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pki_mount_only = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "pki_mount_only/")
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}
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litellm_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "litellm_secret_backend/")
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}
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litellm_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "litellm_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "litellm_secret_backend_role/", ""))
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})
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if startswith(file_path, "litellm_secret_backend_role/")
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}
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plugins = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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})
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if startswith(file_path, "plugins/")
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}
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gpg_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "gpg_secret_backend/")
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}
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gpg_key = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "gpg_key/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "gpg_key/", ""))
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})
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if startswith(file_path, "gpg_key/")
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}
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rancher_secret_backend = {
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for file_path, content in local.all_configs :
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trimsuffix(basename(file_path), ".yaml") => content
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if startswith(file_path, "rancher_secret_backend/")
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}
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rancher_secret_backend_service_account = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "rancher_secret_backend_service_account/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "rancher_secret_backend_service_account/", ""))
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})
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if startswith(file_path, "rancher_secret_backend_service_account/")
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}
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rancher_secret_backend_role = {
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for file_path, content in local.all_configs :
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trimsuffix(replace(file_path, "rancher_secret_backend_role/", ""), ".yaml") => merge(content, {
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name = trimsuffix(basename(file_path), ".yaml")
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backend = dirname(replace(file_path, "rancher_secret_backend_role/", ""))
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})
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if startswith(file_path, "rancher_secret_backend_role/")
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}
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}
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}
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