cgi/volumes/create_raid.lua

   1 #!/usr/bin/lua
   2
   3 dofile "libutil.lua"
   4 local success = "<font color=green><strong>成功</strong></font><br>"
   5
   6 function raid_name( r)
   7                                 if r=="raid0" then return "磁盘分块"
   8                                 elseif r == "raid1" then return "镜像冗余"
   9                                 elseif r == "raid5" then return "校验冗余"
  10                                 elseif r == "raid6" then return "双校验冗余"
  11                                 elseif r == "raid10" then return "分块镜像"
  12                                 else return "未知类型"
  13                                 end
  14 end
  15
  16 function display_current_raid()
  17                                 local mdstat = get_mdstat()
  18                                 print([[
  19                                                 <h3>系统已有Raid</h3>
  20                                                 <form action = "volumes_create_raid.cgi" method = "post">
  21                                                 <table width=90%><tr><td>
  22                                                 <table cellspacing="1" cellpadding="5" border="0" width="100%">
  23                                                 <tr align="left">
  24                                                 <td bgcolor="#ebebeb" width=1%></td>
  25                                                 <td bgcolor="#ebebeb"><strong>Raid名称</strong></td>
  26                                                 <td bgcolor="#ebebeb"><strong>类型</strong></td>
  27                                                 <td bgcolor="#ebebeb"><strong>容量</strong></td>
  28                                                 <td bgcolor="#ebebeb"><strong>使用磁盘</strong></td>
  29                                                 </tr>
  30                                                 ]])
  31
  32
  33                                                 for r in pairs(mdstat) do
  34                                                                 local _td1 = string.format([[<tr bgcolor=#c6d5a8 align="left"><td>
  35                                                                 <input type="radio" name="md" value="%s"></td><td>%s</td>]], r,string.match(r, "/dev/(%S+)"))
  36                                                                 print(_td1)
  37                                                                 print("<td>"..raid_name(mdstat[r].level).." ("..mdstat[r].level..")</td>")
  38                                                                 print("<td>"..mdstat[r].size.."</td>")
  39                                                                 print("<td>"..mdstat[r].devices.."</td></tr>")
  40                                 end
  41
  42                                 print([[</table></td></tr>
  43                                                                 <tr><td>
  44                                                                 <input type="hidden" name=todo value="type">
  45                                                                 <input type="submit" value="创建新阵列">
  46                                                                 <input type="hidden" value="清除">
  47                                                                 </td></tr></table>
  48                                                                 </form><br>]])
  49 end
  50
  51 function display_create_raid()
  52                                 print([[
  53                                 <h3>Raid管理 － 选择Raid类型</h3>
  54                                 <form  name="select_raid" method="post" action="volumes_create_raid.cgi">
  55                                 <table width=70%><tr><td>
  56                                 <table cellspacing="1" cellpadding="5" border="0" width="100%">
  57                                                                 <tr>
  58                                                                 <td bgcolor="#ebebeb" width=1%></td>
  59                                                                 <td bgcolor="#ebebeb"><strong>Raid类型</strong></td>
  60                                                                 <td bgcolor="#ebebeb"><strong>概述</strong></td>
  61                                                                 <td bgcolor="#ebebeb"><strong>备注</strong></td></tr>
  62                                 <tr class="color_table_row1"><td ><input type="radio" name="raidtype" value="0"></td>
  63                                                                 <td>Raid0</td><td>磁盘分块</td><td>无冗余</td></tr>
  64                                 <tr class="color_table_row2"><td><input type="radio" name="raidtype" value="1"></td>
  65                                                                 <td>Raid1</td><td>镜像冗余</td><td></td></tr>
  66                                 <tr class="color_table_row1"><td><input type="radio" name="raidtype" value="5"></td>
  67                                                                 <td>Raid5</td><td>校验冗余</td><td>推荐</td></tr>
  68                                 <tr class="color_table_row2"><td><input type="radio" name="raidtype" value="6"></td>
  69                                                                 <td>Raid6</td><td>双校验冗余</td><td></td></tr>
  70                                 <tr class="color_table_row1"><td><input type="radio" name="raidtype" value="10"></td>
  71                                                                 <td>Raid10</td><td>分块镜像</td><td></td></tr>
  72                                 </table></tr>
  73                                 <tr><td><input type="submit" value="选择"></td></tr></table>
  74                                 <input type=hidden name="todo" value="disks">
  75                                 </form>
  76                                 ]])
  77 end
  78
  79 function display_disks(qp)
  80                                 if not qp.raidtype then ui_message_err("没有选择Raid类型") return end
  81                                 print("select: "..qp.raidtype)
  82                                 local disks = get_disks()
  83                                 print([[
  84                                 <h3>Raid管理 － 选择磁盘</h3>
  85                                 <form  name="select_raid" method="post" action="volumes_create_raid.cgi">
  86                                 <table width=70%><tr><td>
  87                                 <table cellspacing="1" cellpadding="5" border="0" width="100%">
  88                                                                 <tr>
  89                                                                 <td bgcolor="#ebebeb" width=1%></td>
  90                                                                 <td bgcolor="#ebebeb"><strong>磁盘编号</strong></td>
  91                                                                 <td bgcolor="#ebebeb"><strong>容量</strong></td>
  92                                                                 <td bgcolor="#ebebeb"><strong>型号</strong></td></tr>
  93                                 ]])
  94
  95                                 i = 0
  96                                 for d in pairs(disks) do
  97                                                 if not disks[d].used then
  98                                                                 i = i + 1
  99                                                                 v = one_two(v)
 100                                                                 print([[<tr class="color_table_row]]..v..[["><td><input type="checkbox"
 101                                                                         name="dev_]]..i..[[" value="]]..d..[["></td><td>]]..i..[[</td><td>]]..disks[d].size..[[
 102                                                                         </td><td>]]..disks[d].model..[[</td></tr>]])
 103                                         end
 104                                 end
 105                                 print([[
 106                                 </table></tr>
 107                                 <tr><td><input type="submit" value="创建">&nbsp;<input type="reset" value="清空"></td>
 108                                 </tr></table>
 109                                 <input type=hidden name="todo" value="create">
 110                                 <input type=hidden name="raidtype" value="]]..qp.raidtype..[[">
 111                                 </form>
 112                                 ]])
 113 end
 114
 115
 116 -- call mdadm to make a real raid and add to mdadm.conf
 117 function make_raid(raid)
 118                                 local err, ret
 119                                 local cmd="sudo mdadm -C "..raid.md.." -l"..raid.level.." -n"..raid.num.." "..raid.devices.." -R"
 120                                 local conf="\nDEVICE "..raid.devices.."\nARRAY "..raid.md.." level=raid"..raid.level.." devices="..string.gsub(raid.devices,"%s+",",").."\n"
 121
 122                                 if raid.spare ~= "" then cmd=cmd.." -x "..raid.spare end
 123                                 for d in string.gmatch(raid.devices, "(%S+)") do
 124                                                                 if not do_disk(d) then return  end
 125                                 end
 126
 127                                 print("正在创建磁盘阵列 ...")
 128                                 err, ret = myexec(cmd)
 129                                 if ret ~= 0 then ui_message_err(err) return nil else print(success) end
 130
 131                                 mywrite("/etc/mdadm.conf", myread("/etc/mdadm.conf")..conf)
 132 end
 133
 134 function create_raid(qp)
 135                                 local raid = {["devices"]="", ["num"]=0, ["level"] = -1, ["md"] = "", ["spare"]=""}
 136                                 local mdstat = get_mdstat()
 137
 138                                 if not qp.raidtype then ui_message_err("No raid type") return end
 139                                 for k,v in pairs(qp) do
 140                                                                 if string.sub(k,1,4) == "dev_" then
 141                                                                                                 raid.devices = raid.devices.." "..qp[k]
 142                                                                                                 raid.num = raid.num + 1
 143                                                                 end
 144                                 end
 145                                 if raid.devices == "" then ui_message_err("No devices") return end
 146                                 raid.level = tonumber(qp.raidtype)
 147
 148                                 for i=0, 9      do
 149                                                                  for md in pairs(mdstat) do
 150                                                                                                  if "/dev/md"..i ~= md then raid.md="/dev/md"..i break end
 151                                                                  end
 152                                                                  if raid.md ~= "" then break end
 153                                 end
 154                                 if not make_raid(raid) then return nil end
 155                                 print("oK")
 156 end
 157
 158 ------------------- CGI OUTPUT ---------------------
 159 local qp = ui_getqp()
 160 if not qp.todo then
 161                                 display_current_raid()
 162 --                              display_create_raid()
 163 elseif qp.todo == "type" then
 164                                 display_create_raid()
 165 elseif qp.todo == "disks" then
 166                                 display_disks(qp)
 167 elseif qp.todo == "create" then
 168                                 create_raid(qp)
 169 end