From 178e4778b096a75cb2c9b00f7908959c3d633d1c Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Tue, 9 Feb 2010 23:13:35 +0100
Subject: [PATCH] allow adjusting graph limits

---
 upsgraph.pl | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/upsgraph.pl b/upsgraph.pl
index 24d196a..91ae5ad 100755
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -173,6 +173,37 @@ foreach my $host (@$hosts) {
 			exit 1;
 		}
 
+		if (defined($rrdinfo->{"ds[${field}].min"})) {
+			if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
+				RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
+			}
+		} else {
+			if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
+				RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
+			}
+		}
+
+		if (RRDs::error) {
+			print "Error while setting min: " . RRDs::error . "\n";
+			exit 1;
+		}
+
+		if (defined($rrdinfo->{"ds[${field}].max"})) {
+			if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
+				print "Max differs\n";
+				RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
+			}
+		} else {
+			if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
+				RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
+			}
+		}
+
+		if (RRDs::error) {
+			print "Error while setting max: " . RRDs::error . "\n";
+			exit 1;
+		}
+		    
 		if ($rrdinfo->{'rra[0].rows'} != $keep) {
 			print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
 				" to ${keep} samples.\n";
-- 
2.39.2