添加 Ansible 配置文件和多个主机清单文件

2026-07-12 20:30:30 +08:00
commit 070bee0a76
8 changed files with 167 additions and 0 deletions
@@ -0,0 +1,105 @@
+---
+- hosts: fnos
+  gather_facts: no
+  become: yes
+  vars:
+    src_bases:
+      fn-home: "/vol00/HGST HSH721414ALE6M4"
+      fn-tower: "/vol00/HSH721414ALN6M0"
+  tasks:
+    - name: Deploy fixed auto-bind script
+      ansible.builtin.copy:
+        dest: /usr/local/bin/auto-bind-same-dirs.sh
+        mode: "0755"
+        content: |
+          #!/bin/bash
+          set -euo pipefail
+
+          SRC_BASE="{{ src_bases[inventory_hostname] }}"
+          DST_BASE="/vol1/1000"
+          LOG_TAG="auto-bind-same-dirs"
+
+          logger -t "$LOG_TAG" "start"
+
+          if [ ! -d "$SRC_BASE" ]; then
+              logger -t "$LOG_TAG" "source base not found: $SRC_BASE"
+              exit 0
+          fi
+
+          if [ ! -d "$DST_BASE" ]; then
+              logger -t "$LOG_TAG" "target base not found: $DST_BASE"
+              exit 0
+          fi
+
+          find "$DST_BASE" -mindepth 1 -maxdepth 1 -type d | while read -r dst_dir; do
+              name="$(basename "$dst_dir")"
+              src_dir="$SRC_BASE/$name"
+
+              if [ -d "$src_dir" ]; then
+                  if mountpoint -q "$dst_dir" && stat "$dst_dir/." >/dev/null 2>&1; then
+                      logger -t "$LOG_TAG" "skip already mounted: $dst_dir"
+                  else
+                      umount "$dst_dir" 2>/dev/null || true
+                      mount --bind "$src_dir" "$dst_dir"
+                      logger -t "$LOG_TAG" "mounted $src_dir -> $dst_dir"
+                  fi
+              fi
+          done
+
+          logger -t "$LOG_TAG" "done"
+          exit 0
+
+    - name: Deploy service unit
+      ansible.builtin.copy:
+        dest: /etc/systemd/system/auto-bind-same-dirs.service
+        mode: "0644"
+        content: |
+          [Unit]
+          Description=Bind mount NAS directories
+
+          [Service]
+          Type=oneshot
+          ExecStart=/usr/local/bin/auto-bind-same-dirs.sh
+
+    - name: Deploy timer unit
+      ansible.builtin.copy:
+        dest: /etc/systemd/system/auto-bind-same-dirs.timer
+        mode: "0644"
+        content: |
+          [Unit]
+          Description=Periodic bind mount check for external disks
+
+          [Timer]
+          OnBootSec=15s
+          OnUnitActiveSec=60s
+
+          [Install]
+          WantedBy=timers.target
+
+    - name: Stop and disable old path unit
+      ansible.builtin.systemd:
+        name: auto-bind-same-dirs.path
+        state: stopped
+        enabled: false
+      failed_when: false
+
+    - name: Remove old path unit file
+      ansible.builtin.file:
+        path: /etc/systemd/system/auto-bind-same-dirs.path
+        state: absent
+
+    - name: systemd daemon-reload
+      ansible.builtin.systemd:
+        daemon_reload: true
+
+    - name: Reset any failed state on auto-bind units
+      ansible.builtin.command:
+        cmd: systemctl reset-failed auto-bind-same-dirs.service auto-bind-same-dirs.timer
+      failed_when: false
+      changed_when: false
+
+    - name: Enable and start timer
+      ansible.builtin.systemd:
+        name: auto-bind-same-dirs.timer
+        enabled: true
+        state: started