limited closed pull request #1942: ORT update for fq_pacing plugin prereqs
URL: https://github.com/apache/trafficcontrol/pull/1942
This is a PR merged from a forked repository.
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the sake of provenance:
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diff --git a/traffic_ops/bin/traffic_ops_ort.pl
b/traffic_ops/bin/traffic_ops_ort.pl
index 2ba600679..0b6d51b71 100755
--- a/traffic_ops/bin/traffic_ops_ort.pl
+++ b/traffic_ops/bin/traffic_ops_ort.pl
@@ -407,6 +407,9 @@ sub process_cfg_file {
elsif ( $cfg_file eq "ssl_multicert.config" ) {
&adv_processing_ssl( \@db_file_lines );
}
+ elsif ( $cfg_file eq "remap.config") {
+ &adv_processing_remap( \@db_file_lines );
+ }
( $log_level >> $INFO )
&& print "INFO: ======== End processing config file: $cfg_file
for service: " . $cfg_file_tracker->{$cfg_file}->{'service'} . " ========\n";
@@ -2959,6 +2962,29 @@ sub adv_processing_ssl {
return 0;
}
+
+# If fast_revalidation plugin is enabled, check that sysctl
+# net.core.default_qdisc is set to "fq" or exit.
+sub adv_processing_remap {
+
+ my @db_file_lines = @{ $_[0] };
+
+ ( $log_level >> $DEBUG ) && print "DEBUG Entering advanced processing
for remap.config\n";
+ foreach my $remap_line (@db_file_lines) {
+ if ( $remap_line =~ /^map.*\@plugin=fq_pacing\.so/) {
+ my $default_qdisc = `sysctl -n net.core.default_qdisc`;
+ chomp($default_qdisc);
+ if ( $default_qdisc eq "fq" ){
+ return 0;
+ } else {
+ ( $log_level >> $FATAL ) && print "FQ Pacing plugin
enabled, set 'net.core.default_qdisc=fq' in /etc/sysctl.conf and REBOOT!
Exiting\n";
+ exit 1;
+ }
+ }
+ }
+ return 0;
+}
+
sub setup_lwp {
my $browser = LWP::UserAgent->new( keep_alive => 100, ssl_opts => {
verify_hostname => 0, SSL_verify_mode => 0x00 } );
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