mailgraph(8) [debian man page]
MAILGRAPH(8) System Manager's Manual MAILGRAPH(8) NAME
mailgraph - daemon which produces graphs of SMTP traffic SYNOPSIS
mailgraph [ options ] DESCRIPTION
mailgraph is a daemon which produces mail statistics RRDtool for Postfix and Sendmail. This stats are stored for generating daily, weekly, monthly and yearly graphs of sent/received/rejected and bounced/viruses/spam mails. OPTIONS
-h, --help Display help and exit. -v, --verbose Be verbose about what you do. -V, --version Output version information and exit. -c, --cat Cause the logfile to be only read and not monitored. -l, --logfile file Monitor logfile file instead of /var/log/syslog. -t, --logtype type Set logfile's type (default: syslog). -y, --year Start year of the log file (default: current year). --host=HOST Use only entries for HOST (regexp) in syslog. -d, --daemon Start in the background --daemon-pid=FILE Write PID to FILE instead of /var/run/mailgraph.pid. --daemon-rrd=DIR Write RRDs to DIR instead of /var/lib/mailgraph/. --daemon-log=FILE Write verbose-log to FILE instead of /var/log/mailgraph.log. --ignore-localhost Ignore mail to/from localhost (used for virus scanner). --ignore-host=HOST Ignore mail to/from HOST (used for virus scanner). --no-mail-rrd Do not update the mail rrd. --no-virus-rrd Do not update the virus rrd. --no-greylist-rrd Do not update the greylist rrd. --rrd-name=NAME Use NAME.rrd, NAME_virus.rrd and NAME_greylist.rrd for the rrd files. --rbl-is-spam Count rbl rejects as spam. --virbl-is-virus Count virbl rejects as viruses. SEE ALSO
rrdtool(1), RRDs(3pm) AUTHOR
David Schweikert <dws@ee.ethz.ch> MAILGRAPH(8)
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RRDLUA(1) rrdtool RRDLUA(1) NAME
RRDLua - Lua binding for RRDTool SYNOPSIS
require 'rrd' rrd.create(...) rrd.dump(...) rrd.fetch(...) rrd.first(...) rrd.graph(...) rrd.graphv(...) rrd.info(...) rrd.last(...) rrd.resize(...) rrd.restore(...) rrd.tune(...) rrd.update(...) rrd.updatev(...) DESCRIPTION
Calling Sequence This module accesses RRDtool functionality directly from within Lua. The arguments to the functions listed in the SYNOPSIS are explained in the regular RRDtool documentation. The command-line call rrdtool update mydemo.rrd --template in:out N:12:13 gets turned into rrd.update ("mydemo.rrd", "--template", "in:out", "N:12:13") Note that --template=in:out is also valid. Using with Lua 5.1 Start your programs with: --------------------------------------------------------------- package.cpath = '/usr/local/rrdtool-1.3.2/lib/lua/5.1/?.so;' .. package.cpath require 'rrd' --------------------------------------------------------------- OBS: If you configured with --enable-lua-site-install, you don't need to set package.cpath like above. Using with Lua 5.0 The Lua binding for RRDtool needs the Lua module compat-5.1 to work with Lua 5.0. Some Linux distros, like Ubuntu gutsy and hardy, have it already integrated in Lua 5.0 -dev packages, so you just have to require it: require 'compat-5.1' For other platforms, the compat-5.1 module that comes with this binding will be installed for you in the same dir where RRDtool was installed, under the subdir .../lib/lua/5.0. In this case, you must tell your Lua programs where to find it by changing the Lua var LUA_PATH: -- compat-5.1.lua is only necessary for Lua 5.0 ---------------- -- try only compat-5.1 installed with RRDtool package local original_LUA_PATH = LUA_PATH LUA_PATH = '/usr/local/rrdtool-1.3.2/lib/lua/5.0/?.lua' require 'compat-5.1' LUA_PATH = original_LUA_PATH original_LUA_PATH = nil --- end of code to require compat-5.1 --------------------------- Now we can require the rrd module in the same way we did for 5.1 above: --------------------------------------------------------------- package.cpath = '/usr/local/rrdtool-1.3.2/lib/lua/5.0/?.so;' .. package.cpath require 'rrd' --------------------------------------------------------------- Error Handling The Lua RRDTool module functions will abort your program with a stack traceback when they can not make sense out of the arguments you fed them. However, you can capture and handle the errors yourself, instead of just letting the program abort, by calling the module functions through Lua protected calls - 'pcall' or 'xpcall'. Ex: program t.lua --- compat-5.1.lua is only necessary for Lua 5.0 ---------------- -- uncomment below if your distro has not compat-5.1 -- original_LUA_PATH = LUA_PATH -- try only compat-5.1.lua installed with RRDtool package -- LUA_PATH = '/usr/local/rrdtool-1.3.2/lib/lua/5.0/?.lua' -- here we use a protected call to require compat-5.1 local r = pcall(require, 'compat-5.1') if not r then print('** could not load compat-5.1.lua') os.exit(1) end -- uncomment below if your distro has not compat-5.1 -- LUA_PATH = original_LUA_PATH -- original_LUA_PATH = nil --- end of code to require compat-5.1 --------------------------- -- If the Lua RRDTool module was installed together with RRDTool, -- in /usr/local/rrdtool-1.3.2/lib/lua/5.0, package.cpath must be -- set accordingly so that 'require' can find the module: package.cpath = '/usr/local/rrdtool-1.3.2/lib/lua/5.0/?.so;' .. package.cpath local rrd = require 'rrd' rrd.update ("mydemo.rrd","N:12:13") If we execute the program above we'll get: $ lua t.lua lua: t.lua:27: opening 'mydemo.rrd': No such file or directory stack traceback: [C]: in function `update' t.lua:27: in main chunk [C]: ? Return Values The functions rrd.first, rrd.last, rrd.graph, rrd.info and rrd.fetch return their findings. rrd.first returns a single INTEGER representing the timestamp of the first data sample in an RRA within an RRD file. Example returning the first timestamp of the third RRA (index 2): local firstdate = rrd.first('example.rrd', '--rraindex', 2) rrd.last returns a single INTEGER representing the last update time. local lastupdate = rrd.last('example.rrd') rrd.graph returns the x-size and y-size of the created image and a table with the results of the PRINT arguments. local xsize, ysize, averages = rrd.graph ... print(string.format("Image size: %dx%d", xsize, ysize) print("Averages: ", table.concat(averages, ', ')) rrd.info returns a table where the keys and the values represent property names and property values of the RRD. local info = rrd.info("test.rrd") for key, value in pairs(info) do print(key, ' = ', value) end rrd.graphv takes the same parameters as rrd.graph but it returns a table only. The table returned contains meta information about the graph, like its size as well as the position of the graph area on the image. When called with and empty filename, the contents of the graph will be returned in the table as well (key 'image'). rrd.updatev also returns a table. The keys of the table are strings formed by the concatenation of timestamp, RRA index and data source name for each consolidated data point (CDP) written to disk as a result of the current update call. The key values are CDP values. rrd.fetch is the most complex of the pack regarding return values. It returns 5 values: the initial timestamp, the step, two parallel arrays containing the data source names and their data points respectively, and the final timestamp. --require compat-5.1 if necessary package.cpath = '/usr/local/rrdtool-1.3.2/lib/lua/5.0/?.so;' .. package.cpath local rrd = require "rrd" local first, last = rrd.first("test.rrd"), rrd.last("test.rrd") local start, step, names, data = rrd.fetch("test.rrd", "--start", first, "--end", last, "AVERAGE") io.write(string.format("Start: %s (%d) ", os.date("%c", start),start)) io.write("Step size: ", step, " seconds ") io.write("DS names: ", table.concat(names, ', '), " ") io.write("Data points: ", #data[1], " ") io.write("Data: ") for i,dp in ipairs(data) do io.write(os.date("%t", start), " (", start, "): ") start = start + step for j,v in ipairs(dp) do io.write(v, " ") end io.write(" ") end AUTHOR
Fidelis Assis <fidelis@pobox.com> 1.4.7 2008-10-06 RRDLUA(1)