Files
terraform-vault/config/config.hcl
T
unkinben 0c188118a5
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Register and mount the GPG secrets engine at gpg/
Puppet installs the openbao-plugin-secrets-gpg RPM onto the OpenBao nodes; this
registers that binary in the plugin catalog and enables the secrets engine so
gpg/ is actually usable (encrypt/decrypt/sign/verify).

- Add a gpg_secret_backend module using the standard vault provider:
  vault_plugin (catalog register with a pinned sha256) + vault_mount.
- Wire it through vault_cluster (variable + module) and the config discovery
  (config.hcl + syd1 terragrunt input), mirroring litellm_secret_backend.
- Add config/gpg_secret_backend/gpg.yaml pinning the released v0.1.0 binary
  sha256 (0e92d740...a7b20). Puppet installs the RPM floating, so this sha
  must be bumped in lockstep on any plugin upgrade.

Granting non-root access to gpg/* (auth roles + policies) is a follow-up,
scoped to whoever consumes the engine.
2026-07-16 22:54:27 +10:00

208 lines
8.5 KiB
HCL

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