Trigger data migration if limits of a data source are changed in config file

diff --git a/upsgraph.pl b/upsgraph.pl
index 4f660902158c975715a696fec3bf325ead762615..ce195002ca2e54f71bc502212e84195170524f51 100755 (executable)
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -324,12 +324,15 @@ foreach my $host (@$hosts) {
                        exit 1;
                }
 
+               my $limitsChanged = 0;
                if (defined($rrdinfo->{"ds[${field}].min"})) {
                        if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
+                               $limitsChanged = 1;
                                RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
                        }
                } else {
                        if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
+                               $limitsChanged = 1;
                                RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
                        }
                }
@@ -341,10 +344,12 @@ foreach my $host (@$hosts) {
 
                if (defined($rrdinfo->{"ds[${field}].max"})) {
                        if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
+                               $limitsChanged = 1;
                                RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
                        }
                } else {
                        if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
+                               $limitsChanged = 1;
                                RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
                        }
                }
@@ -355,7 +360,8 @@ foreach my $host (@$hosts) {
                }
                    
                if ($rrdinfo->{'rra[0].rows'} != $keep ||
-                       !defined($rrdinfo->{'rra[1].rows'}) || $rrdinfo->{'rra[1].rows'} != $keepHours) {
+                       !defined($rrdinfo->{'rra[1].rows'}) || $rrdinfo->{'rra[1].rows'} != $keepHours ||
+                       $limitsChanged == 1) {
 
                        print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
                                " to ${keep} samples.\n";