1 files changed, 59 insertions, 0 deletions
diff --git a/app/controllers/admin/system_info_controller.rb b/app/controllers/admin/system_info_controller.rb
new file mode 100644
index 00000000000..e4c73008826
--- /dev/null
+++ b/app/controllers/admin/system_info_controller.rb
@@ -0,0 +1,59 @@
+class Admin::SystemInfoController < Admin::ApplicationController
+  EXCLUDED_MOUNT_OPTIONS = [
+    'nobrowse',
+    'read-only',
+    'ro'
+  ]
+
+  EXCLUDED_MOUNT_TYPES = [
+    'autofs',
+    'binfmt_misc',
+    'cgroup',
+    'debugfs',
+    'devfs',
+    'devpts',
+    'devtmpfs',
+    'efivarfs',
+    'fuse.gvfsd-fuse',
+    'fuseblk',
+    'fusectl',
+    'hugetlbfs',
+    'mqueue',
+    'proc',
+    'pstore',
+    'securityfs',
+    'sysfs',
+    'tmpfs',
+    'tracefs',
+    'vfat'
+  ]
+
+  def show
+    system_info = Vmstat.snapshot
+    mounts = Sys::Filesystem.mounts
+
+    @disks = []
+    mounts.each do |mount|
+      mount_options = mount.options.split(',')
+
+      next if (EXCLUDED_MOUNT_OPTIONS & mount_options).any?
+      next if (EXCLUDED_MOUNT_TYPES & [mount.mount_type]).any?
+
+      begin
+        disk = Sys::Filesystem.stat(mount.mount_point)
+        @disks.push({
+          bytes_total: disk.bytes_total,
+          bytes_used:  disk.bytes_used,
+          disk_name:   mount.name,
+          mount_path:  disk.path
+        })
+      rescue Sys::Filesystem::Error
+      end
+    end
+
+    @cpus = system_info.cpus.length
+
+    @mem_used = system_info.memory.active_bytes
+    @mem_total = system_info.memory.total_bytes
+  end
+end