From: Benjamin Oechslein <benjamin.oechslein@informatik.uni-erlangen.de>
Date: Mon, 12 Jan 2015 20:37:03 +0000 (+0100)
Subject: Add option to regenerate graphs on script startup
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph/commitdiff_plain/d036d16a336b8b31db2c7b09ea40012164d96a83?ds=sidebyside

Add option to regenerate graphs on script startup
---

diff --git a/upsgraph.pl b/upsgraph.pl
index ce19500..cade9b2 100755
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -23,6 +23,7 @@ $UPSGRAPH::stepsPerHour = (60 * 60) / $UPSGRAPH::step;
 $UPSGRAPH::keep = ($UPSGRAPH::daysCovered*24*60*60)/$UPSGRAPH::step;
 $UPSGRAPH::keepHours = ($UPSGRAPH::daysCovered*24*60*60)/$UPSGRAPH::stepsPerHour/$UPSGRAPH::step;
 $UPSGRAPH::hosts = ();
+$UPSGRAPH::regenerateOnStart = 1; #when set, regenerate graphs on script startup
 
 do $ARGV[0] or die "can't read config: $!";
 
@@ -427,6 +428,7 @@ die "fork failed!" if (!defined($child));
 
 exit 0 if ($child != 0);
 
+my $first = $UPSGRAPH::regenerateOnStart;
 while(1) {
 	open(HTML, ">${outdir}/index.html.new");
 
@@ -503,7 +505,8 @@ while(1) {
 				};
 			}
 
-			my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'});
+			my @graphdef = ('-P', "-t", $hostname." - ".$vars->{$var}->{'name'});
+			push @graphdef, "--lazy" if !$first;
 
 			push @graphdef, "DEF:${var}-avg=${rrdfile}.${var}:${var}:AVERAGE";
 			push @graphdef, "DEF:${var}-min=${rrdfile}.${var}:${var}:MIN";
@@ -628,4 +631,5 @@ while(1) {
 	rename("${outdir}/index.html.new", "${outdir}/index.html");
 
 	sleep(${step}/2);
+	$first = 0;
 }