From 979a38683109ade63d620dfb1075e5080203052d Mon Sep 17 00:00:00 2001
From: Tobias Reisinger <tobias@msrg.cc>
Date: Wed, 9 Oct 2024 01:33:24 +0200
Subject: [PATCH] Add minio to authentik

---
 modules/services/authentik.tf | 38 ++++++++++++++++++++++++++++++++++-
 roles/minio/vars/main.yml     |  8 ++++++++
 services.auto.tfvars          |  3 ++-
 3 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/modules/services/authentik.tf b/modules/services/authentik.tf
index 08058ab..63bc0e7 100644
--- a/modules/services/authentik.tf
+++ b/modules/services/authentik.tf
@@ -14,6 +14,39 @@ data "authentik_property_mapping_provider_scope" "default_scopes" {
   ]
 }
 
+resource "authentik_user" "default" {
+  username = "serguzim"
+  name     = "Tobias Reisinger"
+  email    = "tobias@msrg.cc"
+}
+
+resource "authentik_property_mapping_provider_scope" "minio" {
+  name       = "minio"
+  scope_name = "minio"
+  expression = <<EOF
+if ak_is_group_member(request.user, name="${authentik_group.minio_admins.name}"):
+  return {
+      "minio_policy": "consoleAdmin",
+}
+elif ak_is_group_member(request.user, name="${authentik_group.minio_users.name}"):
+  return {
+      "minio_policy": "readonly"
+}
+return None
+EOF
+}
+
+resource "authentik_group" "minio_admins" {
+  name         = "Minio admins"
+  users        = [authentik_user.default.id]
+}
+
+resource "authentik_group" "minio_users" {
+  name         = "Minio users"
+  users        = []
+}
+
+
 resource "authentik_provider_oauth2" "service_providers" {
   for_each           = local.services_auth
   name               = each.value.name
@@ -21,7 +54,10 @@ resource "authentik_provider_oauth2" "service_providers" {
   client_id          = each.value.name
   authorization_flow = data.authentik_flow.default_authorization_flow.id
   redirect_uris      = each.value.auth_redirects
-  property_mappings  = data.authentik_property_mapping_provider_scope.default_scopes.ids
+  property_mappings  = flatten([
+      data.authentik_property_mapping_provider_scope.default_scopes.ids,
+      each.key == "minio" ? [authentik_property_mapping_provider_scope.minio.id] : []
+  ])
   signing_key        = data.authentik_certificate_key_pair.default.id
 }
 
diff --git a/roles/minio/vars/main.yml b/roles/minio/vars/main.yml
index ca82ffe..3ca1172 100644
--- a/roles/minio/vars/main.yml
+++ b/roles/minio/vars/main.yml
@@ -21,6 +21,14 @@ minio_env:
   MINIO_ROOT_USER: "{{ vault_minio.user }}"
   MINIO_ROOT_PASSWORD: "{{ vault_minio.pass }}"
 
+  MINIO_IDENTITY_OPENID_CONFIG_URL: "{{ (opentofu.authentik_data.minio.base_url, '.well-known/openid-configuration') | path_join }}"
+  MINIO_IDENTITY_OPENID_CLIENT_ID: "{{ opentofu.authentik_data.minio.client_id }}"
+  MINIO_IDENTITY_OPENID_CLIENT_SECRET: "{{ opentofu.authentik_data.minio.client_secret }}"
+  MINIO_IDENTITY_OPENID_CLAIM_NAME: minio_policy
+  MINIO_IDENTITY_OPENID_DISPLAY_NAME: auth.serguzim.me
+  MINIO_IDENTITY_OPENID_SCOPES: openid,email,profile,minio
+
+
 minio_compose:
   watchtower: true
   image: minio/minio
diff --git a/services.auto.tfvars b/services.auto.tfvars
index ce633e1..3d76288 100644
--- a/services.auto.tfvars
+++ b/services.auto.tfvars
@@ -280,7 +280,8 @@ services = {
       url = "/minio/health/live"
       group = "7-support"
     }
-    auth = false
+    auth = true
+    auth_redirects = ["https://console.s3.serguzim.me/oauth_callback"]
     database = false
     s3 = false
   },