applications/luci-statistics: make host selectable if collectd-mod-network server is on

applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua

@@ -21,9 +21,6 @@ function index()
 	require("luci.util")
 	require("luci.statistics.datatree")
 
-	-- get rrd data tree
-	local tree = luci.statistics.datatree.Instance()
-
 	-- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
 	function _entry( path, ... )
 		local file = path[5] or path[4]
@@ -106,6 +103,10 @@ function index()
 
 	local vars = luci.http.formvalue(nil, true)
 	local span = vars.timespan or nil
+	local host = vars.host or nil
+
+	-- get rrd data tree
+	local tree = luci.statistics.datatree.Instance(host)
 
 	for i, plugin in luci.util.vspairs( tree:plugins() ) do
 
@@ -116,7 +117,7 @@ function index()
 		entry(
 			{ "admin", "statistics", "graph", plugin },
 			call("statistics_render"), labels[plugin], i
-		).query = { timespan = span }
+		).query = { timespan = span , host = host }
 
 		-- if more then one instance is found then generate submenu
 		if #instances > 1 then
@@ -125,7 +126,7 @@ function index()
 				entry(
 					{ "admin", "statistics", "graph", plugin, inst },
 					call("statistics_render"), inst, j
-				).query = { timespan = span }
+				).query = { timespan = span , host = host }
 			end
 		end
 	end
@@ -143,7 +144,10 @@ function statistics_render()
 	local uci   = luci.model.uci.cursor()
 	local spans = luci.util.split( uci:get( "luci_statistics", "collectd_rrdtool", "RRATimespans" ), "%s+", nil, true )
 	local span  = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1]
-	local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ) )
+	local host  = vars.host     or uci:get( "luci_statistics", "collectd", "Hostname" ) or luci.sys.hostname()
+	local opts = { host = vars.host }
+	local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ), opts )
+	local hosts = graph.tree:host_instances()
 
 	local is_index = false
 
@@ -196,6 +200,8 @@ function statistics_render()
 		plugin           = plugin,
 		timespans        = spans,
 		current_timespan = span,
+		hosts            = hosts,
+		current_host     = host,
 		is_index         = is_index
 	} )
 end

applications/luci-statistics/luasrc/statistics/datatree.lua

@@ -192,3 +192,16 @@ function Instance.data_instances( self, plugin, instance, dtype )
 
 	return rv
 end
+
+function Instance.host_instances( self )
+	local hosts_path = fs.glob(self._rrddir..'/*')
+	local hosts = { }
+	k = 1
+	for v in hosts_path do
+		hosts[k] = fs.basename(v)
+		k=k+1
+	end
+
+	return hosts
+end
+

applications/luci-statistics/luasrc/statistics/rrdtool.lua

@@ -34,11 +34,6 @@ function Graph.__init__( self, timespan, opts )
 	local uci = luci.model.uci.cursor()
 	local sections = uci:get_all( "luci_statistics" )
 
-	-- helper classes
-	self.colors = luci.statistics.rrdtool.colors.Instance()
-	self.tree   = luci.statistics.datatree.Instance()
-	self.i18n   = luci.statistics.i18n.Instance( self )
-
 	-- options
 	opts.timespan  = timespan       or sections.rrdtool.default_timespan or 900
 	opts.rrasingle = opts.rrasingle or ( sections.collectd_rrdtool.RRASingle == "1" )
@@ -49,6 +44,11 @@ function Graph.__init__( self, timespan, opts )
 	opts.rrdpath   = opts.rrdpath:gsub("/$","")
 	opts.imgpath   = opts.imgpath:gsub("/$","")
 
+	-- helper classes
+	self.colors = luci.statistics.rrdtool.colors.Instance()
+	self.tree   = luci.statistics.datatree.Instance(opts.host)
+	self.i18n   = luci.statistics.i18n.Instance( self )
+
 	-- rrdtool default args
 	self.args = {
 		"-a", "PNG",

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/conntrack.lua

@@ -15,7 +15,7 @@ $Id$
 
 module("luci.statistics.rrdtool.definitions.conntrack",package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance, dtype )
+function rrdargs( graph, plugin, plugin_instance, dtype )
 	return {
 		title = "%H: Conntrack entries",
 		vlabel = "Count",

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/cpu.lua

@@ -15,7 +15,7 @@ $Id: cpu.lua 2274 2008-06-03 23:15:16Z jow $
 
 module("luci.statistics.rrdtool.definitions.cpu",package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance, dtype )
+function rrdargs( graph, plugin, plugin_instance, dtype )
 
 	return {
 		title = "%H: Processor usage on core #%pi",

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/dns.lua

@@ -13,7 +13,7 @@ You may obtain a copy of the License at
 
 module("luci.statistics.rrdtool.definitions.dns", package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance )
+function rrdargs( graph, plugin, plugin_instance )
 
 	local traffic = {
 		title = "%H: DNS traffic", vlabel = "Bit/s",

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/interface.lua

@@ -15,7 +15,7 @@ $Id$
 
 module("luci.statistics.rrdtool.definitions.interface", package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance )
+function rrdargs( graph, plugin, plugin_instance )
 
 	--
 	-- traffic diagram

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/iwinfo.lua

@@ -15,7 +15,7 @@ $Id$
 
 module("luci.statistics.rrdtool.definitions.iwinfo", package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance )
+function rrdargs( graph, plugin, plugin_instance )
 
 	--
 	-- signal/noise diagram

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/memory.lua

@@ -11,7 +11,7 @@ You may obtain a copy of the License at
 
 module("luci.statistics.rrdtool.definitions.memory",package.seeall)
 
-function rrdargs( graph, host, plugin, plugin_instance, dtype )
+function rrdargs( graph, plugin, plugin_instance, dtype )
 
 	return {
 		title = "%H: Memory usage",

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/olsrd.lua

@@ -13,8 +13,6 @@ You may obtain a copy of the License at
 
 module("luci.statistics.rrdtool.definitions.olsrd", package.seeall)
 
-local tree = luci.statistics.datatree.Instance()
-
 function rrdargs( graph, plugin, plugin_instance, dtype )
 	local g = { }
 
@@ -77,7 +75,7 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
 			}
 		}
 
-		local instances = tree:data_instances(plugin, plugin_instance, "signal_quality")
+		local instances = graph.tree:data_instances(plugin, plugin_instance, "signal_quality")
 		table.sort(instances)
 
 		-- define one diagram per host, containing the rx and lq values

applications/luci-statistics/luasrc/view/public_statistics/graph.htm

@@ -17,12 +17,18 @@ $Id$
 <h2><a id="content" name="content"><%:Statistics%></a></h2>
 
 <form action="" method="get">
+	<select name="host">
+		<% for i, host in ipairs(hosts) do %>
+			<option<% if host == current_host then %> selected="selected"<% end %>><%=pcdata(host)%></option>
+		<% end %>
+	</select>
+	<input class="cbi-button cbi-button-apply" type="submit" name="submit" value="<%:Display Host »%>" />
 	<select name="timespan">
 		<% for i, span in ipairs(timespans) do %>
 			<option<% if span == current_timespan then %> selected="selected"<% end %>><%=span%></option>
 		<% end %>
 	</select>
-	<input type="submit" name="submit" value="<%:Display timespan »%>" />
+	<input class="cbi-button cbi-button-apply" type="submit" name="submit" value="<%:Display timespan »%>" />
 </form>
 
 <br />
@@ -39,3 +45,4 @@ $Id$
 </div>
 
 <%+footer%>
+

applications/luci-statistics/root/etc/config/luci_statistics

@@ -113,7 +113,7 @@ config 'statistics' 'collectd_cpu'
 
 config 'statistics' 'collectd_rrdtool'
 	option 'enable' '1'
-	option 'DataDir' '/tmp'
+	option 'DataDir' '/tmp/rrd'
 	option 'RRARows' '100'
 	option 'RRASingle' '1'
 	option 'RRATimespans' '1hour 1day 1week 1month 1year'

contrib/package/luci/Makefile

@@ -357,7 +357,8 @@ $(eval $(call application,statistics,LuCI Statistics Application,\
 	+PACKAGE_luci-app-statistics:collectd-mod-rrdtool \
 	+PACKAGE_luci-app-statistics:collectd-mod-iwinfo \
 	+PACKAGE_luci-app-statistics:collectd-mod-interface \
-	+PACKAGE_luci-app-statistics:collectd-mod-load))
+	+PACKAGE_luci-app-statistics:collectd-mod-load)) \
+	+PACKAGE_luci-app-statistics:collectd-mod-network))
 
 
 $(eval $(call application,diag-core,LuCI Diagnostics Tools (Core)))