1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
module("luci.statistics.datatree", package.seeall)
local util = require("luci.util")
local sys = require("luci.sys")
local fs = require("luci.fs")
local uci = require("luci.model.uci").Session()
local sections, names = uci:sections( "luci_statistics" )
Instance = util.class()
function Instance.__init__( self, host )
self._host = host or sections.collectd.Hostname or sys.hostname()
self._libdir = sections.collectd.PluginDir or "/usr/lib/collectd"
self._rrddir = sections.collectd_rrdtool.DataDir or "/tmp/rrd"
self._libdir = self._libdir:gsub("/$","")
self._rrddir = self._rrddir:gsub("/$","")
self._plugins = { }
self:_scan()
end
function Instance._mkpath( self, plugin, pinstance )
local dir = self._rrddir .. "/" .. self._host
if type(plugin) == "string" and plugin:len() > 0 then
dir = dir .. "/" .. plugin
if type(pinstance) == "string" and pinstance:len() > 0 then
dir = dir .. "-" .. pinstance
end
end
return dir
end
function Instance._notzero( self, table )
for k in pairs(table) do
return true
end
return false
end
function Instance._scan( self )
for i, plugin in ipairs( fs.dir( self._libdir ) ) do
if plugin:match("%w+.so") then
self._plugins[ plugin:gsub(".so", "") ] = { }
end
end
for plugin, instances in pairs( self._plugins ) do
local dirs = fs.dir( self:_mkpath() )
if type(dirs) == "table" then
for i, dir in ipairs(dirs) do
if dir:find( plugin .. "%-" ) or dir == plugin then
local instance = ""
if dir ~= plugin then
instance = dir:gsub( plugin .. "%-", "", 1 )
end
instances[instance] = { }
end
end
end
for instance, data_instances in pairs( instances ) do
dirs = fs.dir( self:_mkpath( plugin, instance ) )
if type(dirs) == "table" then
for i, file in ipairs(dirs) do
if file:find("%.rrd") then
file = file:gsub("%.rrd","")
local data_type
local data_instance
if file:find("%-") then
data_type = file:gsub( "%-.+","" )
data_instance = file:gsub( "[^%-]-%-", "", 1 )
else
data_type = file
data_instance = ""
end
if not data_instances[data_type] then
data_instances[data_type] = { data_instance }
else
table.insert( data_instances[data_type], data_instance )
end
end
end
end
end
end
end
function Instance.plugins( self )
local rv = { }
for plugin, val in pairs( self._plugins ) do
if self:_notzero( val ) then
table.insert( rv, plugin )
end
end
return rv
end
function Instance.plugin_instances( self, plugin )
local rv = { }
for instance, val in pairs( self._plugins[plugin] ) do
table.insert( rv, instance )
end
return rv
end
function Instance.data_types( self, plugin, instance )
local rv = { }
local p = self._plugins[plugin]
if type(p) == "table" and type(p[instance]) == "table" then
for type, val in pairs(p[instance]) do
table.insert( rv, type )
end
end
return rv
end
function Instance.data_instances( self, plugin, instance, dtype )
local rv = { }
local p = self._plugins[plugin]
if type(p) == "table" and type(p[instance]) == "table" and type(p[instance][dtype]) == "table" then
for i, instance in ipairs(p[instance][dtype]) do
table.insert( rv, instance )
end
end
return rv
end
|
