enabled & status fields for service models

new PM back-end for OpenRC
reload configuration only when service running

1 files changed, 32 insertions, 0 deletions

diff --git a/acf2/persistence/backends/service.lua b/acf2/persistence/backends/service.lua
new file mode 100644
index 0000000..2163184
--- /dev/null
+++ b/acf2/persistence/backends/service.lua
@@ -0,0 +1,32 @@
+--[[
+Copyright (c) 2012-2013 Kaarle Ritvanen
+See LICENSE file for license details
+--]]
+
+local rc = require('rc')
+local stringy = require('stringy')
+
+
+local backend = require('acf2.object').class()
+
+function backend:get(path, top)
+   if #path == 1 then return {'enabled', 'status'} end
+   assert(#path == 2)
+   local status = rc.service_status(path[1])
+   if path[2] == 'status' then return status end
+   if path[2] == 'enabled' then return stringy.startswith(status, 'start') end
+end
+
+function backend:set(mods)
+   for _, mod in ipairs(mods) do
+      local path, value = unpack(mod)
+      assert(#path == 2 and path[2] == 'enabled')
+
+      local name = path[1]
+      if value then rc.service_add(name)
+      else rc.service_delete(name) end
+      os.execute('rc-service '..name..' '..(value and 'start' or 'stop'))
+   end
+end
+
+return backend