[nextcloud module] add wrapper example

Fixes #47

machines/fanny/configuration.nix

@@ -69,7 +69,8 @@ in
   };
 
   services.malobeo.microvm.enableHostBridge = true;
-  services.malobeo.microvm.deployHosts = [ "overwatch" "infradocs" "nextcloud" "durruti" ];
+  services.malobeo.microvm.deployHosts = [ "overwatch" "infradocs" "durruti" ];
+  services.malobeo.microvm.client.nextcloud.enable = true;
 
   networking = {
     nat = {

machines/hosts.nix

@@ -66,6 +66,10 @@
           mac = "D0:E5:CA:F0:D7:E0";
         };
       };
+
+      testvm = {
+        type = "host";
+      };
     };
   };
 }

machines/modules/disko/btrfs-laptop.nix

@@ -1,63 +0,0 @@
-{ config, self, inputs, ... }:
-
-{
-  imports = [
-    inputs.disko.nixosModules.disko
-  ];
-
-  # https://github.com/nix-community/disko/blob/master/example/luks-btrfs-subvolumes.nix
-  disko.devices = {
-    disk = {
-      main = {
-        type = "disk";
-        # When using disko-install, we will overwrite this value from the commandline
-        device = "/dev/disk/by-id/some-disk-id";
-        content = {
-          type = "gpt";
-          partitions = {
-            ESP = {
-              size = "512M";
-              type = "EF00";
-              content = {
-                type = "filesystem";
-                format = "vfat";
-                mountpoint = "/boot";
-                mountOptions = [ "umask=0077" ];
-              };
-            };
-            luks = {
-              size = "100%";
-              content = {
-                type = "luks";
-                name = "crypted";
-                passwordFile = /tmp/secret.key; # Interactive
-                content = {
-                  type = "btrfs";
-                  extraArgs = [ "-f" ];
-                  subvolumes = {
-                    "/root" = {
-                      mountpoint = "/";
-                      mountOptions = [ "compress=zstd" "noatime" ];
-                    };
-                    "/home" = {
-                      mountpoint = "/home";
-                      mountOptions = [ "compress=zstd" "noatime" ];
-                    };
-                    "/nix" = {
-                      mountpoint = "/nix";
-                      mountOptions = [ "compress=zstd" "noatime" ];
-                    };
-                    "/swap" = {
-                      mountpoint = "/.swapvol";
-                      swap.swapfile.size = "20M";
-                    };
-                  };
-                };
-              };
-            };
-          };
-        };
-      };
-    };
-  };
-}

machines/modules/disko/default.nix

@@ -187,6 +187,7 @@ in
               postCreateHook = lib.mkIf cfg.encryption ''
                 zfs set keylocation="prompt" zroot/encrypted;
               '';
+
             };
             "encrypted/root" = {
               type = "zfs_fs";
@@ -244,13 +245,12 @@ in
               };
               # use this to read the key during boot
               postCreateHook = lib.mkIf cfg.encryption ''
-                zfs set keylocation="prompt" storage/encrypted;
+                zfs set keylocation="file:///root/secret.key" storage/encrypted;
               '';
             };
             "encrypted/data" = {
               type = "zfs_fs";
               mountpoint = "/data";
-              options.mountpoint = "legacy";
             };
             reserved = {
               # for cow delete if pool is full
@@ -267,7 +267,7 @@ in
     };
 
     boot.zfs.devNodes = lib.mkDefault cfg.devNodes;
-
+    boot.zfs.extraPools = lib.mkIf cfg.storage.enable [ "storage" ];
     fileSystems."/".neededForBoot = true;
     fileSystems."/etc".neededForBoot = true;
     fileSystems."/boot".neededForBoot = true;

machines/modules/host_builder.nix

@@ -135,8 +135,8 @@ rec {
         }]);
 
         #if networking is disabled forward port 80 to still have access to webservices
-        forwardPorts = pkgs.lib.mkIf (!options.withNetworking) (pkgs.lib.mkForce [
+        forwardPorts = pkgs.lib.mkIf (!options.withNetworking && options.fwdPort != 0) (pkgs.lib.mkForce [
-          { from = "host"; host.port = 8080; guest.port = 80; }
+          { from = "host"; host.port = options.fwdPort; guest.port = 80; }
         ]);
 
       };
@@ -212,12 +212,13 @@ rec {
       builtins.listToAttrs (map mapperFunc self.nixosConfigurations.${host}.config.services.malobeo.microvm.deployHosts);
     };
 
-    buildVM = host: networking: sopsDummy: disableDisko: varPath: writableStore: (self.nixosConfigurations.${host}.extendModules {
+    buildVM = host: networking: sopsDummy: disableDisko: varPath: writableStore: fwdPort: (self.nixosConfigurations.${host}.extendModules {
         modules = [
             (vmMicroVMOverwrites host { 
               withNetworking = networking; 
               varPath = "${varPath}"; 
-              writableStore = writableStore; })
+              writableStore = writableStore;
+              fwdPort = fwdPort; })
             (if sopsDummy then (vmSopsOverwrites host) else {})
             (if disableDisko then vmDiskoOverwrites else {})
           ] ++ pkgs.lib.optionals (hosts.malobeo.hosts.${host}.type != "microvm") [

machines/modules/malobeo/initssh.nix

@@ -30,9 +30,7 @@ in
       loader.efi.canTouchEfiVariables = true;
       supportedFilesystems = [ "vfat" "zfs" ];
       zfs = {
-        forceImportAll = true;
         requestEncryptionCredentials = true;
-        
       };
       initrd = {
         availableKernelModules = cfg.ethernetDrivers;

machines/modules/malobeo/microvm_client.nix

@@ -0,0 +1,28 @@
+{config, lib, pkgs, ...}:
+let
+  cfg = config.services.malobeo.microvm.client;
+in
+{
+  options.services.malobeo.microvm.client = {
+    nextcloud = {
+      enable = lib.mkEnableOption "enable the nextcloud microvm wrapper";
+      datadir = lib.mkOption {
+        type = lib.types.string;
+        default = "/data/services/nextcloud/";
+        description = "set a custom datadir";
+      };
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf cfg.nextcloud.enable { #add check for run-vm?
+      services.malobeo.microvm.deployHosts = ["nextcloud"];
+      microvm.vms.nextcloud.config.microvm.shares = lib.mkAfter [{
+        source = cfg.datadir;
+        mountPoint = "/datadir";
+        tag = "nc-datadir";
+        proto = "virtiofs";
+      }];
+    })
+  ];
+}

machines/nextcloud/configuration.nix

@@ -37,6 +37,7 @@ with lib;
     hostName = "cloud.malobeo.org";
     config.adminpassFile = config.sops.secrets.nextcloudAdminPass.path;
     #https = true; #disable for testing
+    datadir = "/datadir";
     database.createLocally = true;
     config.dbtype = "pgsql";
     configureRedis = true;
@@ -55,6 +56,12 @@ with lib;
     };
     settings = {
       trusted_domains = ["10.0.0.13"];
+      "maintenance_window_start" = "1";
+      "default_phone_region" = "DE";
+    };
+    phpOptions = {
+      "realpath_cache_size" = "0";
+      "opcache.interned_strings_buffer" = "23";
     };
   };
 

machines/testvm/configuration.nix

@@ -24,7 +24,7 @@ in
 
   malobeo.disks = {
     enable = true;
-    encryption = false;
+    encryption = true;
     hostId = "83abc8cb";
     devNodes = "/dev/disk/by-path/";
     root = {

outputs.nix

@@ -108,7 +108,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
 
     nixosModules.malobeo = {
       host.imports = [ ./machines/durruti/host_config.nix ];
-      microvm.imports = [ ./machines/modules/malobeo/microvm_host.nix ];
+      microvm.imports = [ ./machines/modules/malobeo/microvm_host.nix ./machines/modules/malobeo/microvm_client.nix];
       vpn.imports = [ ./machines/modules/malobeo/wireguard.nix ];
       initssh.imports = [ ./machines/modules/malobeo/initssh.nix ];
       metrics.imports = [ ./machines/modules/malobeo/metrics.nix ];

scripts/remote-install-encrypt.sh

@@ -37,9 +37,11 @@ trap cleanup EXIT
 
 # Create the directory where sshd expects to find the host keys
 install -d -m755 "$temp/etc/ssh/"
+install -d -m755 "$temp/root/"
 
 diskKey=$(sops -d machines/$hostname/disk.key)
 echo "$diskKey" > /tmp/secret.key
+echo "$diskKey" > $temp/root/secret.key
 
 ssh-keygen -f $temp/etc/ssh/"$hostname" -t ed25519 -N ""
 ssh-keygen -f $temp/etc/ssh/initrd -t ed25519 -N ""

scripts/run-vm.sh

@@ -6,6 +6,7 @@ usage() {
     echo "--no-disko disable disko and initrd secrets. needed for real hosts like fanny"
     echo "--writable-store enables writable store. necessary for host with nested imperative microvms like fanny"
     echo "--var path to directory that should be shared as /var. may require root otherwise some systemd units fail within vm. if dir is empty vm will populate"
+    echo "--fwd-port forwards the given port to port 80 on vm"
     exit 1
 }
 
@@ -22,6 +23,7 @@ DUMMY_SECRETS=false
 NO_DISKO=false
 RW_STORE=false
 VAR_PATH=""
+FWD_PORT=0
 
 # check argws
 shift
@@ -40,6 +42,15 @@ while [[ "$#" -gt 0 ]]; do
               usage
           fi
           ;;
+        --fwd-port) 
+          if [[ -n "$2" && ! "$2" =~ ^- ]]; then
+              FWD_PORT="$2"
+              shift
+          else
+              echo "Error: --var requires a non-empty string argument."
+              usage
+          fi
+          ;;
         *) echo "Unknown argument: $1"; usage ;;
     esac
     shift
@@ -53,4 +64,4 @@ if [ -n "$VAR_PATH" ]; then
   echo "sharing var directory: $VAR_PATH"
 fi
 
-nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\" $RW_STORE).config.microvm.declaredRunner"
+nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\" $RW_STORE $FWD_PORT).config.microvm.declaredRunner"

scripts/unlock-boot.sh

@@ -23,18 +23,14 @@ echo
 if [ $# = 1 ]
     then
     diskkey=$(sops -d machines/$HOSTNAME/disk.key)
-    echo "$diskkey" | ssh $sshoptions root@$HOSTNAME-initrd "systemd-tty-ask-password-agent" #storage
-
     echo "$diskkey" | ssh $sshoptions root@$HOSTNAME-initrd "systemd-tty-ask-password-agent" #root
 
 elif [ $# = 2 ]
     then
     diskkey=$(sops -d machines/$HOSTNAME/disk.key)
     IP=$2
-    echo "$diskkey" | ssh $sshoptions root@$IP "systemd-tty-ask-password-agent" #storage
-
     echo "$diskkey" | ssh $sshoptions root@$IP "systemd-tty-ask-password-agent" #root
-
+    
 else
     echo
     echo "Unlock the root disk on a remote host."