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Monitor HAProxy with PRTG
# Monitoring HAProxy via CSV stats
# For detailed instructions visit http://lazic.info/josip/post/monitor-haproxy-via-prtg/
# Josip Lazic
param(
[string]$url,
[string]$monitor
);
$templates =@{
standard = "qcur,smax,scur,smax,slim,stot,bin,bout";
responses = "hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,req_rate,req_rate_max,req_tot";
errors = "dreq,dresp,ereq,econ,eresp,chkfail";
}
#Exit if no URL given
if ($url -eq "") {
Write-Host "<prtg><error>1</error><text>Give me some URL</text></prtg>"
Exit
}
#Default monitoring
if ($monitor -eq "" -or $monitor -eq "standard") {
$monitor = $templates.standard
} elseif ($monitor -eq "responses") {
$monitor = $templates.responses
} elseif ($monitor -eq "errors") {
$monitor = $templates.errors
}
$names=@{
pxname = "Proxy Name";
svname = "Service name";
qcur = "Current queue";
qmax = "Maximum queue";
scur = "Current sessions";
smax = "Maximum sessions";
slim = "Session limit";
stot = "Sessions total";
bin = "Bytes In";
bout = "Bytes Out";
dreq = "Denied requests";
dresp = "Denied responses";
ereq = "Request errors";
econ = "Error connections";
eresp = "Error responses";
wretr = "Connections retries";
wredis = "Redispatches";
status = "Status";
weight = "Weight";
act = "Active servers";
bck = "Backup servers";
chkfail = "Failed checks";
chkdown = "Downed";
lastchg = "Since last down";
downtime = "Downtime";
qlimit = "Queue limit";
pid = "PID";
iid = "Unique ID";
sid = "Server ID";
rate = "Session rate";
rate_lim = "Session rate limit";
rate_max = "Max. session rate";
check_status = "Check status";
check_code = "Check code";
check_duration = "Check duration";
hrsp_1xx = "HTTP 1xx";
hrsp_2xx = "HTTP 2xx";
hrsp_3xx = "HTTP 3xx";
hrsp_4xx = "HTTP 4xx";
hrsp_5xx = "HTTP 5xx";
hrsp_other = "HTTP Other";
req_rate = "HTTP request rate";
req_rate_max = "Max HTTP request rate";
req_tot = "Total HTTP requests";
}
$units=@{
qcur = "Count";
qmax = "Count";
scur = "Count";
smax = "Count";
slim = "Count";
stot = "Count";
bin = "BytesBandwidth";
bout = "BytesBandwidth";
dreq = "Count";
dresp = "Count";
ereq = "Count";
econ = "Count";
eresp = "Count";
wretr = "Count";
wredis = "Count";
status = "Count";
weight = "Custom";
act = "Count";
bck = "Count";
chkfail = "Count";
chkdown = "Count";
lastchg = "TimeSeconds";
downtime = "TimeSeconds";
qlimit = "Count";
pid = "Custom";
iid = "Custom";
sid = "Custom";
rate = "Count";
rate_lim = "Count";
rate_max = "Count";
check_status = "Custom";
check_code = "Custom";
check_duration = "TimeSeconds";
hrsp_1xx = "Count";
hrsp_2xx = "Count";
hrsp_3xx = "Count";
hrsp_4xx = "Count";
hrsp_5xx = "Count";
hrsp_other = "Count";
req_rate = "Count";
req_rate_max = "Count";
req_tot = "Count";
}
$monitorlist = $monitor.Split(",")
$content = (new-object net.webclient).DownloadString($url)
$csv = $content | ConvertFrom-CSV -Header pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime
Write-Host "<prtg>"
$csv | Foreach-Object {
foreach ($m in $monitorlist) {
$value = $_.($m)
$unit = $units.($m)
if ($value -eq "") { continue } #Do not report empty values
Write-Host "<result>"
Write-Host "<channel>"$_.svname $names.($m)"</channel>"
Write-Host "<value>"$value"</value>"
Write-Host "<unit>"$unit"</unit>"
Write-Host "</result>"
}
}
Write-Host "</prtg>"
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