node backup added

2026-08-08 23:53:11 +03:00 · 2026-07-04 22:54:38 +03:00
parent d8300035cf
commit f2740e87a0
4 changed files with 103 additions and 2 deletions
@@ -0,0 +1,94 @@
+{
+  config,
+  lib,
+  pkgs,
+  xlib,
+  ...
+}:
+let
+  serviceName = "rsync-services-sync";
+  serverAddress = "oqyude@100.64.0.0";
+  serverDir = "/mnt/services/nodes/vds";
+  nodeDir = "/mnt/services";
+in
+{
+  systemd = {
+    services = {
+      "${serviceName}" = {
+        description = "Bidirectional rsync";
+        unitConfig.RequiresMountsFor = [ ];
+        after = [ "network-online.target" ];
+        wants = [ "network-online.target" ];
+        wantedBy = [ "multi-user.target" ];
+        script = ''
+          set -euo pipefail
+
+          RSYNC="${pkgs.rsync}/bin/rsync"
+          SSH="${pkgs.openssh}/bin/ssh"
+
+          SSH_CMD="$SSH \
+            -o BatchMode=yes \
+            -o ConnectTimeout=5 \
+            -o StrictHostKeyChecking=no"
+
+          echo "Waiting for server..."
+
+          for i in $(seq 1 60); do
+            echo "Attempt $i"
+
+            if $SSH_CMD ${serverAddress} true >/dev/null 2>&1; then
+              echo "Server available"
+              break
+            fi
+
+            sleep 5
+          done
+
+          # final check
+          $SSH_CMD ${serverAddress} true >/dev/null 2>&1
+
+          mkdir -p "${nodeDir}"
+
+          if [ ! -d "${nodeDir}" ] || [ -z "$(ls -A "${nodeDir}")" ]; then
+            echo "Pull <- ${serverAddress}"
+
+            mkdir -p "${nodeDir}"
+
+            $RSYNC \
+              -e "$SSH_CMD" \
+              -a \
+              "${serverAddress}:${serverDir}/" \
+              "${nodeDir}/"
+          else
+            echo "Push -> ${serverAddress}"
+
+            $RSYNC \
+              -e "$SSH_CMD" \
+              -a \
+              --delete \
+              "${nodeDir}/" \
+              "${serverAddress}:${serverDir}/"
+          fi
+        '';
+        serviceConfig = {
+          Type = "oneshot";
+          User = "root";
+          Group = "root";
+          Nice = 10;
+          CPUQuota = "5%";
+          IOSchedulingClass = "idle";
+        };
+      };
+    };
+    timers = {
+      "${serviceName}" = {
+        wantedBy = [ "timers.target" ];
+        timerConfig = {
+          OnCalendar = "daily";
+          Persistent = true;
+          Unit = "${serviceName}.service";
+        };
+      };
+    };
+  };
+}