From d0b926251d718c9572354d6bba26f330c6b3c1ee Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 21:47:06 +0000
Subject: [PATCH 01/21] nixos: services: mealie: persist data

---
 modules/nixos/services/mealie/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules/nixos/services/mealie/default.nix b/modules/nixos/services/mealie/default.nix
index 664d5ba..7d3fd96 100644
--- a/modules/nixos/services/mealie/default.nix
+++ b/modules/nixos/services/mealie/default.nix
@@ -72,6 +72,16 @@ in
       };
     };
 
+    my.services.backup = {
+      paths = [
+        "/var/lib/${config.systemd.services.mealie.serviceConfig.StateDirectory}"
+      ];
+    };
+
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.mealie.serviceConfig.StateDirectory}"
+    ];
+
     services.fail2ban.jails = {
       mealie = ''
         enabled = true

From cb0f8e91a05e4cdc415b15aab6a0f0c510283a57 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:40:29 +0100
Subject: [PATCH 02/21] nixos: services: monitoring: persist data

---
 modules/nixos/services/monitoring/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/nixos/services/monitoring/default.nix b/modules/nixos/services/monitoring/default.nix
index 49919c1..4415cb5 100644
--- a/modules/nixos/services/monitoring/default.nix
+++ b/modules/nixos/services/monitoring/default.nix
@@ -130,5 +130,10 @@ in
         inherit (cfg.grafana) port;
       };
     };
+
+    my.system.persist.directories = [
+      config.services.grafana.dataDir
+      "/var/lib/${config.services.prometheus.stateDir}"
+    ];
   };
 }

From dbb6b38eba61f9bec482867fd3a3e081d68bce06 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:11:23 +0100
Subject: [PATCH 03/21] nixos: services: navidrome: persist data

---
 modules/nixos/services/navidrome/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/navidrome/default.nix b/modules/nixos/services/navidrome/default.nix
index c513b91..106e01d 100644
--- a/modules/nixos/services/navidrome/default.nix
+++ b/modules/nixos/services/navidrome/default.nix
@@ -53,6 +53,10 @@ in
       };
     };
 
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.navidrome.serviceConfig.StateDirectory}"
+    ];
+
     services.fail2ban.jails = {
       navidrome = ''
         enabled = true

From f581ef7113ac69f132e3c5d9682fe7436fa3137c Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:37:51 +0100
Subject: [PATCH 04/21] nixos: services: nginx: persist SSL certificates

---
 modules/nixos/services/nginx/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/nginx/default.nix b/modules/nixos/services/nginx/default.nix
index 3bba9f4..32c1b7d 100644
--- a/modules/nixos/services/nginx/default.nix
+++ b/modules/nixos/services/nginx/default.nix
@@ -486,5 +486,9 @@ in
         }
       ];
     };
+
+    my.system.persist.directories = [
+      config.users.user.acme.home
+    ];
   };
 }

From ed1a5b4924c97f8c973bcf92453923c97b28e33b Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:11:35 +0100
Subject: [PATCH 05/21] nixos: services: nextcloud: persist data

---
 modules/nixos/services/nextcloud/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/nixos/services/nextcloud/default.nix b/modules/nixos/services/nextcloud/default.nix
index fe94177..e561ce2 100644
--- a/modules/nixos/services/nextcloud/default.nix
+++ b/modules/nixos/services/nextcloud/default.nix
@@ -92,6 +92,11 @@ in
       ];
     };
 
+    my.system.persist.directories = [
+      config.services.nextcloud.home
+      config.services.nextcloud.datadir
+    ];
+
     services.fail2ban.jails = {
       nextcloud = ''
         enabled = true

From 89a43e8badeab30158fa20a8add19a81957d2629 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 17:12:42 +0100
Subject: [PATCH 06/21] nixos: services: paperless: persist data

---
 modules/nixos/services/paperless/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/nixos/services/paperless/default.nix b/modules/nixos/services/paperless/default.nix
index c8967e1..22ca8ad 100644
--- a/modules/nixos/services/paperless/default.nix
+++ b/modules/nixos/services/paperless/default.nix
@@ -146,5 +146,10 @@ in
         config.services.paperless.mediaDir
       ];
     };
+
+    my.system.persist.directories = [
+      config.services.paperless-ng.dataDir
+      config.services.paperless-ng.mediaDir
+    ];
   };
 }

From 3653918237a2fbfe24921e8f5e229ecfeff44e16 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 21:47:24 +0000
Subject: [PATCH 07/21] nixos: services: pdf-edit: persist data

---
 modules/nixos/services/pdf-edit/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/pdf-edit/default.nix b/modules/nixos/services/pdf-edit/default.nix
index d59507b..0928a14 100644
--- a/modules/nixos/services/pdf-edit/default.nix
+++ b/modules/nixos/services/pdf-edit/default.nix
@@ -54,6 +54,10 @@ in
       };
     };
 
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.stirling-pdf.serviceConfig.StateDirectory}"
+    ];
+
     services.fail2ban.jails = {
       stirling-pdf = ''
         enabled = true

From 2ba35fd5e087ab3967c22b3fd3e25c544af03c3a Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:58:07 +0100
Subject: [PATCH 08/21] nixos: services: pirate: persist data

---
 modules/nixos/services/servarr/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules/nixos/services/servarr/default.nix b/modules/nixos/services/servarr/default.nix
index e25d9cf..3330b0f 100644
--- a/modules/nixos/services/servarr/default.nix
+++ b/modules/nixos/services/servarr/default.nix
@@ -19,6 +19,16 @@ let
       enable = true;
       group = "media";
     };
+
+    my.system.persist.directories =
+      let
+        # Bazarr breaks the mold unfortunately
+        dataDir =
+          if service != "bazarr"
+          then config.services.${service}.dataDir
+          else config.users.user.${service}.home;
+      in
+      [ dataDir ];
   };
 
   mkRedirection = service: {

From 52399cbb3eff2eaa7bb780020cad6a867ff7dc52 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:20:11 +0100
Subject: [PATCH 09/21] nixos: services: podgrab: persist data

---
 modules/nixos/services/podgrab/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/nixos/services/podgrab/default.nix b/modules/nixos/services/podgrab/default.nix
index 3ced8d3..ec6ecb2 100644
--- a/modules/nixos/services/podgrab/default.nix
+++ b/modules/nixos/services/podgrab/default.nix
@@ -51,5 +51,10 @@ in
         inherit (cfg) port;
       };
     };
+
+    my.system.persist.directories = [
+      config.systemd.services.podgrab.environment.CONFIG
+      config.systemd.services.podgrab.environment.DATA
+    ];
   };
 }

From 8b67a1da8eeb949eae37dbaed8b185b95598ea39 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 17:13:13 +0100
Subject: [PATCH 10/21] nixos: services: postgresql: persist data

---
 modules/nixos/services/postgresql/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/nixos/services/postgresql/default.nix b/modules/nixos/services/postgresql/default.nix
index bbe46d4..cea4c88 100644
--- a/modules/nixos/services/postgresql/default.nix
+++ b/modules/nixos/services/postgresql/default.nix
@@ -18,6 +18,13 @@ in
       };
     })
 
+    # Only persist directory if the actual service is enabled
+    (lib.mkIf config.services.postgresql.enable {
+      my.system.persist.directories = [
+        config.services.postgresql.dataDir
+      ];
+    })
+
     # Taken from the manual
     (lib.mkIf cfg.upgradeScript {
       environment.systemPackages =

From 07737b50767385b5d3f0ebc516e8f60ea93c7727 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 17:12:58 +0100
Subject: [PATCH 11/21] nixos: services: postgresql-backup: persist data

---
 modules/nixos/services/postgresql-backup/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/postgresql-backup/default.nix b/modules/nixos/services/postgresql-backup/default.nix
index dff5494..3d6c03b 100644
--- a/modules/nixos/services/postgresql-backup/default.nix
+++ b/modules/nixos/services/postgresql-backup/default.nix
@@ -24,5 +24,9 @@ in
         (config.services.postgresqlBackup.location + "/*.prev.sql.gz")
       ];
     };
+
+    my.system.persist.directories = [
+      config.services.postgresqlBackup.location
+    ];
   };
 }

From e55308b596f2f9a3ca953fa094c000e1e8d9c44e Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 21:47:37 +0000
Subject: [PATCH 12/21] nixos: services: pyload: persist data

---
 modules/nixos/services/pyload/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/nixos/services/pyload/default.nix b/modules/nixos/services/pyload/default.nix
index 7257d0f..a8ec3b2 100644
--- a/modules/nixos/services/pyload/default.nix
+++ b/modules/nixos/services/pyload/default.nix
@@ -53,6 +53,11 @@ in
       };
     };
 
+    my.system.persist.directories = [
+      cfg.downloadDirectory
+      "/var/lib/${config.systemd.services.pyload.StateDirectory}"
+    ];
+
     services.fail2ban.jails = {
       pyload = ''
         enabled = true

From e77e65201ca53b829fb884a73364f32633a7ecec Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 21:51:04 +0100
Subject: [PATCH 13/21] nixos: services: quassel: persist data

---
 modules/nixos/services/quassel/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/quassel/default.nix b/modules/nixos/services/quassel/default.nix
index 695f9e0..0065195 100644
--- a/modules/nixos/services/quassel/default.nix
+++ b/modules/nixos/services/quassel/default.nix
@@ -46,5 +46,9 @@ in
       # Because Quassel does not use the socket, I simply trust its connection
       authentication = "host quassel quassel localhost trust";
     };
+
+    my.system.persist.directories = [
+      config.services.quassel.dataDir
+    ];
   };
 }

From 93729ccfa7a4ae0fdc3b8feb046fb478204bf7f7 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:21:42 +0100
Subject: [PATCH 14/21] nixos: services: rss-bridge: persist data

---
 modules/nixos/services/rss-bridge/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/rss-bridge/default.nix b/modules/nixos/services/rss-bridge/default.nix
index 52b1030..977b431 100644
--- a/modules/nixos/services/rss-bridge/default.nix
+++ b/modules/nixos/services/rss-bridge/default.nix
@@ -22,5 +22,9 @@ in
       forceSSL = true;
       useACMEHost = config.networking.domain;
     };
+
+    my.system.persist.directories = [
+      config.services.rss-bridge.dataDir
+    ];
   };
 }

From feccb7ba2b2c9ac28b0ba05d9e43f7e7a8eca3b4 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:25:44 +0100
Subject: [PATCH 15/21] nixos: services: sabnzbd: persist data

---
 modules/nixos/services/sabnzbd/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/sabnzbd/default.nix b/modules/nixos/services/sabnzbd/default.nix
index 9e0d9c3..86202ab 100644
--- a/modules/nixos/services/sabnzbd/default.nix
+++ b/modules/nixos/services/sabnzbd/default.nix
@@ -24,6 +24,10 @@ in
       };
     };
 
+    my.system.persist.files = [
+      config.services.sabnzbd.configFile
+    ];
+
     services.fail2ban.jails = {
       sabnzbd = ''
         enabled = true

From cc42b3f3d8384883beee46bb28baec67dde832b7 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 21:47:51 +0000
Subject: [PATCH 16/21] nixos: services: tandoor-recipes: persist data

---
 modules/nixos/services/tandoor-recipes/default.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/modules/nixos/services/tandoor-recipes/default.nix b/modules/nixos/services/tandoor-recipes/default.nix
index 3447bee..ea45e74 100644
--- a/modules/nixos/services/tandoor-recipes/default.nix
+++ b/modules/nixos/services/tandoor-recipes/default.nix
@@ -83,6 +83,19 @@ in
       };
     };
 
+    my.services.backup = {
+      paths = [
+        "/var/lib/${config.systemd.services.tandoor-recipes.StateDirectory}"
+        config.systemd.services.tandoor-recipes.environment.MEDIA_ROOT
+      ];
+    };
+
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.tandoor-recipes.StateDirectory}"
+      config.systemd.services.tandoor-recipes.environment.MEDIA_ROOT
+    ];
+
+
     # NOTE: unfortunately tandoor-recipes does not log connection failures for fail2ban
   };
 }

From bc8758dd950ef76d02fc8132aa6f526e682512f6 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 5 Nov 2021 15:25:50 +0100
Subject: [PATCH 17/21] nixos: services: transmission: persist data

---
 modules/nixos/services/transmission/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/transmission/default.nix b/modules/nixos/services/transmission/default.nix
index ac8b24d..674fa81 100644
--- a/modules/nixos/services/transmission/default.nix
+++ b/modules/nixos/services/transmission/default.nix
@@ -91,6 +91,10 @@ in
       allowedUDPPorts = [ cfg.peerPort ];
     };
 
+    my.system.persist.directories = [
+      config.services.transmission.home
+    ];
+
     # NOTE: unfortunately transmission does not log connection failures for fail2ban
   };
 }

From 0a251fa775fda3748df60d0770beb7ffe9b696b4 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 14:43:16 +0100
Subject: [PATCH 18/21] nixos: services: vikunja: persist data

---
 modules/nixos/services/vikunja/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/vikunja/default.nix b/modules/nixos/services/vikunja/default.nix
index 2753da3..d902449 100644
--- a/modules/nixos/services/vikunja/default.nix
+++ b/modules/nixos/services/vikunja/default.nix
@@ -100,6 +100,10 @@ in
       ];
     };
 
+    my.system.persist.directories = [
+      config.services.vikunja.settings.files.basepath
+    ];
+
     # NOTE: unfortunately vikunja does not log connection failures for fail2ban
   };
 }

From 044ad20349efb4a7d548704dd7d904b5589e3fcc Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 14:43:16 +0100
Subject: [PATCH 19/21] WIP: add notes for missing persistence/backup

TODO:
* Do home-manager
* Look at for more inspiration github.com:nix-community/impermanence/pull/108
* Common files github.com:nix-community/impermanence/issues/10
* Useful config: github.com:chayleaf/dotfiles/blob/f77271b249e0c08368573c22a5c34f0737d3a766/system/modules/impermanence.nix
---
 modules/nixos/services/drone/runner-docker/default.nix     | 2 ++
 modules/nixos/services/drone/runner-exec/default.nix       | 2 ++
 modules/nixos/services/drone/server/default.nix            | 2 ++
 modules/nixos/services/nextcloud/collabora.nix             | 2 ++
 modules/nixos/services/woodpecker/agent-docker/default.nix | 2 ++
 modules/nixos/services/woodpecker/agent-exec/default.nix   | 2 ++
 modules/nixos/services/woodpecker/server/default.nix       | 2 ++
 modules/nixos/system/printing/default.nix                  | 2 ++
 8 files changed, 16 insertions(+)

diff --git a/modules/nixos/services/drone/runner-docker/default.nix b/modules/nixos/services/drone/runner-docker/default.nix
index e53c608..1db263b 100644
--- a/modules/nixos/services/drone/runner-docker/default.nix
+++ b/modules/nixos/services/drone/runner-docker/default.nix
@@ -39,5 +39,7 @@ in
       extraGroups = [ "docker" ]; # Give access to the daemon
     };
     users.groups.drone-runner-docker = { };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/drone/runner-exec/default.nix b/modules/nixos/services/drone/runner-exec/default.nix
index a9bb563..c30a1a2 100644
--- a/modules/nixos/services/drone/runner-exec/default.nix
+++ b/modules/nixos/services/drone/runner-exec/default.nix
@@ -63,5 +63,7 @@ in
       group = "drone-runner-exec";
     };
     users.groups.drone-runner-exec = { };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/drone/server/default.nix b/modules/nixos/services/drone/server/default.nix
index a3a1e49..b5d5df7 100644
--- a/modules/nixos/services/drone/server/default.nix
+++ b/modules/nixos/services/drone/server/default.nix
@@ -50,5 +50,7 @@ in
         inherit (cfg) port;
       };
     };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/nextcloud/collabora.nix b/modules/nixos/services/nextcloud/collabora.nix
index f8f42a7..dce1a99 100644
--- a/modules/nixos/services/nextcloud/collabora.nix
+++ b/modules/nixos/services/nextcloud/collabora.nix
@@ -46,5 +46,7 @@ in
         ];
       };
     };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/woodpecker/agent-docker/default.nix b/modules/nixos/services/woodpecker/agent-docker/default.nix
index 79d3299..2e74b67 100644
--- a/modules/nixos/services/woodpecker/agent-docker/default.nix
+++ b/modules/nixos/services/woodpecker/agent-docker/default.nix
@@ -38,5 +38,7 @@ in
         ];
       };
     };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/woodpecker/agent-exec/default.nix b/modules/nixos/services/woodpecker/agent-exec/default.nix
index 24161b0..4210242 100644
--- a/modules/nixos/services/woodpecker/agent-exec/default.nix
+++ b/modules/nixos/services/woodpecker/agent-exec/default.nix
@@ -62,5 +62,7 @@ in
         ];
       };
     };
+
+    # FIXME: persistence?
   };
 }
diff --git a/modules/nixos/services/woodpecker/server/default.nix b/modules/nixos/services/woodpecker/server/default.nix
index adf533e..5d25284 100644
--- a/modules/nixos/services/woodpecker/server/default.nix
+++ b/modules/nixos/services/woodpecker/server/default.nix
@@ -61,5 +61,7 @@ in
         port = cfg.rpcPort;
       };
     };
+
+    # FIXME: persistence
   };
 }
diff --git a/modules/nixos/system/printing/default.nix b/modules/nixos/system/printing/default.nix
index 0dfab0f..3e21b25 100644
--- a/modules/nixos/system/printing/default.nix
+++ b/modules/nixos/system/printing/default.nix
@@ -65,5 +65,7 @@ in
       # Allow resolution of '.local' addresses
       nssmdns4 = true;
     };
+
+    # FIXME: persistence?
   };
 }

From b31ecd0250ac94c9a7bce4803ed087cedd7aefdd Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 22:00:58 +0000
Subject: [PATCH 20/21] WIP: even more directories? Maybe?

---
 modules/nixos/system/persist/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/system/persist/default.nix b/modules/nixos/system/persist/default.nix
index e0a1eeb..3033595 100644
--- a/modules/nixos/system/persist/default.nix
+++ b/modules/nixos/system/persist/default.nix
@@ -58,6 +58,10 @@ in
         "/var/log" # Logs
         "/var/lib/nixos" # UID/GID maps
         "/var/lib/systemd/coredump" # Coredumps
+
+        "/var/lib/systemd" # FIXME: needed?
+        "/var/spool" # FIXME: needed?
+        "/var/tmp" # FIXME: needed?
       ]
       ++ cfg.directories
       ;

From 4cfe0a784663b520a75d7f9d2ab16a50d8f0de5b Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Thu, 28 Nov 2024 22:01:38 +0000
Subject: [PATCH 21/21] WIP: add note about 'iwd'

---
 modules/nixos/hardware/networking/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/nixos/hardware/networking/default.nix b/modules/nixos/hardware/networking/default.nix
index dac5e9a..9e85966 100644
--- a/modules/nixos/hardware/networking/default.nix
+++ b/modules/nixos/hardware/networking/default.nix
@@ -23,6 +23,8 @@ in
     (lib.mkIf cfg.wireless.enable {
       networking.networkmanager.enable = true;
 
+      # IWD needs persistence if enabled
+
       # Persist NetworkManager files
       my.system.persist.files = [
         "/var/lib/NetworkManager/secret_key"