statistics: Add support for entropy stats

Add statistics on the available entropy.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

diff --git a/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
index c532b4a..49eab5a 100644 (file)
--- a/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
+++ b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
@@ -30,6 +30,7 @@ function index()
                disk            = _("Disk Usage"),
                dns                     = _("DNS"),
                email           = _("Email"),
+               entropy         = _("Entropy"),
                exec            = _("Exec"),
                interface       = _("Interfaces"),
                iptables        = _("Firewall"),
@@ -53,7 +54,7 @@ function index()
        -- our collectd menu
        local collectd_menu = {
                output  = { "csv", "network", "rrdtool", "unixsock" },
-               system  = { "cpu", "df", "disk", "email", "exec", "irq", "load", "memory", "nut", "processes", "uptime" },
+               system  = { "cpu", "df", "disk", "email", "entropy", "exec", "irq", "load", "memory", "nut", "processes", "uptime" },
                network = { "conntrack", "dns", "interface", "iptables", "netlink", "olsrd", "ping", "splash_leases", "tcpconns", "iwinfo" }
        }
 

diff --git a/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/entropy.lua b/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/entropy.lua
new file mode 100644 (file)
index 0000000..d18bf91
--- /dev/null
+++ b/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/entropy.lua
@@ -0,0 +1,14 @@
+-- Copyright 2015 Hannu Nyman <hannu.nyman@iki.fi>
+-- Licensed to the public under the Apache License 2.0.
+
+m = Map("luci_statistics",
+       translate("Entropy Plugin Configuration"),
+       translate("The entropy plugin collects statistics about the available entropy."))
+
+s = m:section( NamedSection, "collectd_entropy", "luci_statistics" )
+
+enable = s:option( Flag, "enable", translate("Enable this plugin") )
+enable.default = 0
+
+return m
+

diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool/entropy.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool/entropy.lua
new file mode 100644 (file)
index 0000000..3d30a70
--- /dev/null
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool/entropy.lua
@@ -0,0 +1,19 @@
+-- Copyright 2015 Hannu Nyman <hannu.nyman@iki.fi>
+-- Licensed to the public under the Apache License 2.0.
+
+module("luci.statistics.rrdtool.definitions.entropy", package.seeall)
+
+function rrdargs( graph, plugin, plugin_instance, dtype )
+
+       return {
+               title = "%H: Available entropy",
+               vlabel = "bits",
+               number_format = "%4.0lf",
+               data = {
+                       types = { "entropy" },
+                       options = { entropy = { title = "Entropy %di" } }
+               }
+       }
+
+end
+

diff --git a/applications/luci-app-statistics/root/etc/config/luci_statistics b/applications/luci-app-statistics/root/etc/config/luci_statistics
index e39db35..b91b20f 100644 (file)
--- a/applications/luci-app-statistics/root/etc/config/luci_statistics
+++ b/applications/luci-app-statistics/root/etc/config/luci_statistics
@@ -45,6 +45,9 @@ config 'statistics' 'collectd_email'
        option 'SocketFile' '/var/run/collectd/email.sock'
        option 'SocketGroup' 'nogroup'
 
+config 'statistics' 'collectd_entropy'
+       option 'enable' '0'
+
 config 'statistics' 'collectd_exec'
        option 'enable' '0'
 

diff --git a/applications/luci-app-statistics/root/usr/bin/stat-genconfig b/applications/luci-app-statistics/root/usr/bin/stat-genconfig
index cb94e28..8acae46 100755 (executable)
--- a/applications/luci-app-statistics/root/usr/bin/stat-genconfig
+++ b/applications/luci-app-statistics/root/usr/bin/stat-genconfig
@@ -303,6 +303,12 @@ plugins = {
                { }
        },
 
+       entropy = {
+               { },
+               { },
+               { }
+       },
+
        exec    = config_exec,
 
        interface = {