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tools/hashicorp-vault/iac/main.tf
Gabriel Radureau d401e170e0
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allow several k8s SA to take an app policy
2025-11-27 23:21:04 +01:00

86 lines
2.8 KiB
HCL

resource "vault_auth_backend" "kubernetes" {
type = "kubernetes"
}
resource "vault_kubernetes_auth_backend_config" "config" {
backend = vault_auth_backend.kubernetes.path
kubernetes_host = "https://kubernetes.default.svc:443"
}
resource "vault_mount" "kvv2" {
path = "kvv2"
type = "kv"
options = { version = "2" }
description = "KV Version 2 secret engine mount"
}
resource "vault_mount" "postgres" {
path = "postgres"
type = "database"
}
resource "vault_database_secret_backend_connection" "postgres" {
backend = vault_mount.postgres.path
name = "postgres"
allowed_roles = ["*"]
root_rotation_statements = [
"ALTER USER \"{{name}}\" WITH PASSWORD '{{password}}';",
]
postgresql {
connection_url = "postgresql://{{username}}:{{password}}@pgbouncer.tools:5432/postgres?sslmode=disable"
username = var.POSTGRES_CREDENTIALS_EDITOR_USERNAME
password = var.POSTGRES_CREDENTIALS_EDITOR_PASSWORD
}
}
resource "vault_mount" "transit" {
path = "transit"
type = "transit"
description = "Pour le vault secret operator (vso) dans k3s en cas de redemarrage par exemple"
# default_lease_ttl_seconds = 3600
# max_lease_ttl_seconds = 86400
}
resource "vault_transit_secret_backend_key" "vso_client_cache" {
backend = vault_mount.transit.path
name = "vso-client-cache"
}
data "vault_policy_document" "vso_client_cache" {
rule {
path = "${vault_mount.transit.path}/encrypt/${vault_transit_secret_backend_key.vso_client_cache.name}"
capabilities = ["create", "update"]
}
rule {
path = "${vault_mount.transit.path}/decrypt/${vault_transit_secret_backend_key.vso_client_cache.name}"
capabilities = ["create", "update"]
}
}
resource "vault_policy" "vso_client_cache" {
name = "edit-vso-client-cache"
policy = data.vault_policy_document.vso_client_cache.hcl
}
resource "vault_kubernetes_auth_backend_role" "vso" {
backend = vault_auth_backend.kubernetes.path
role_name = "vault-secret-operator"
bound_service_account_names = ["hashicorp-vault-vault-secrets-operator-controller-manager"]
bound_service_account_namespaces = ["tools"]
token_ttl = 0
token_period = 120
token_policies = ["default", vault_policy.vso_client_cache.name]
audience = "vault"
alias_name_source = "serviceaccount_name"
}
module "app_policies" {
source = "./modules/app_policy"
for_each = { for app in var.applications : app.name => app }
name = each.value.name
policies = each.value.policies
service_account_names = each.value.service_account_names
service_account_namespaces = each.value.service_account_namespaces
gitea_app_id = var.gitea_app_id
}