X-Git-Url: https://git.openstreetmap.org./dns.git/blobdiff_plain/737e782ae6f889765e6ce9d4257f01d12a3019a5..e35bf040ef720bfe8eac259fca5c874009239e05:/bin/mkgeo diff --git a/bin/mkgeo b/bin/mkgeo index ce0ff2f..2c0453b 100755 --- a/bin/mkgeo +++ b/bin/mkgeo @@ -9,14 +9,14 @@ use IO::File; use Math::Trig qw(deg2rad pip2 great_circle_distance); use JSON::XS; use LWP::UserAgent; -use YAML; +use YAML::XS qw(LoadFile DumpFile); my $originfile = shift @ARGV; my $clusterfile = shift @ARGV; my $zone = shift @ARGV; my $targetoriginfile = shift @ARGV; -my $origins = YAML::LoadFile($originfile); -my $clusters = YAML::LoadFile($clusterfile); +my $origins = LoadFile($originfile); +my $clusters = LoadFile($clusterfile); my $gdnsname = shift @ARGV; my @servers; @@ -25,22 +25,23 @@ while (my($name,$cluster) = each %$clusters) { if ($cluster->{servers}) { - $cluster->{bandwidth} = 0; + $cluster->{requests} = 0; foreach my $server (@{$cluster->{servers}}) { $server->{cluster} = $cluster; - $cluster->{bandwidth} = $cluster->{bandwidth} + $server->{bandwidth}; + $cluster->{requests} = $cluster->{requests} + $server->{requests}; push @servers, $server; } } - else + elsif ($cluster->{requests} > 0) { my $server = { cluster => $cluster, statuscake => $cluster->{statuscake}, - bandwidth => $cluster->{bandwidth}, + requests => $cluster->{requests}, + cname => $cluster->{cname}, ipv4 => $cluster->{ipv4}, ipv6 => $cluster->{ipv6} }; @@ -49,6 +50,10 @@ while (my($name,$cluster) = each %$clusters) push @servers, $server; } + else + { + $cluster->{servers} = []; + } $cluster->{name} = $name; $cluster->{status} = "down"; @@ -61,42 +66,50 @@ foreach my $server (@servers) } # If statuscake support is enabled then check which servers are up -if ($ENV{STATUSCAKE_USERNAME} && $ENV{STATUSCAKE_APIKEY}) +if ($ENV{STATUSCAKE_APIKEY}) { my $ua = LWP::UserAgent->new; my $cache; $ua->agent("mkgeo/1.0"); - $ua->default_header("Username", $ENV{STATUSCAKE_USERNAME}); - $ua->default_header("API", $ENV{STATUSCAKE_APIKEY}); + $ua->default_header("Authorization", "Bearer $ENV{STATUSCAKE_APIKEY}"); if (-f "statuscake.yml") { - $cache = YAML::LoadFile("statuscake.yml"); + $cache = LoadFile("statuscake.yml"); } else { $cache = {}; } - my $response = $ua->get("https://app.statuscake.com/API/Tests/"); + my $page = 1; + my $pages = 1; - if ($response->is_success) + while ($page <= $pages) { - my $tests = decode_json($response->content); + my $response = $ua->get("https://api.statuscake.com/v1/uptime?nouptime=true&limit=100&page=${page}"); - foreach my $test (@$tests) + if ($response->is_success) { - my $testid = $test->{TestID}; + my $uptime = decode_json($response->content); - if ($test->{Status} eq "Up" && !$test->{Paused}) - { - $cache->{$testid} = "up"; - } - else + foreach my $test (@{$uptime->{data}}) { - $cache->{$testid} = "down"; + my $testid = $test->{id}; + + if ($test->{status} eq "up" && !$test->{paused}) + { + $cache->{$testid} = "up"; + } + else + { + $cache->{$testid} = "down"; + } } + + $page = $page + 1; + $pages = $uptime->{metadata}->{page_count}; } } @@ -119,7 +132,8 @@ if ($ENV{STATUSCAKE_USERNAME} && $ENV{STATUSCAKE_APIKEY}) } } - YAML::DumpFile("statuscake.yml", $cache); + DumpFile("statuscake-$$.yml", $cache); + rename("statuscake-$$.yml", "statuscake.yml"); } # Mark a cluster as up if any servers are up @@ -131,25 +145,30 @@ foreach my $server (@servers) } else { - $server->{cluster}->{bandwidth} = $server->{cluster}->{bandwidth} - $server->{bandwidth}; + $server->{cluster}->{requests} = $server->{cluster}->{requests} - $server->{requests}; } } +# Abort if no servers at all are up +exit 0 unless grep { $_->{status} eq "up" } values(%$clusters); + # Create target origins object my $targetorigins = {}; # Initialise cluster details while (my($name,$cluster) = each %$clusters) { - $cluster->{bandwidth_limit} = $cluster->{bandwidth} * 1024 * 1024; - $cluster->{bandwidth_used} = 0; + $cluster->{requests_limit} = $cluster->{requests}; + $cluster->{requests_used} = 0; + + next if $cluster->{global}; $targetorigins->{$cluster->{name}} = { code => $cluster->{name}, name => $cluster->{name}, lat => $cluster->{lat}, lon => $cluster->{lon}, - bandwidth => 0 + requests => 0 }; } @@ -165,7 +184,16 @@ foreach my $origin (values %$origins) if ($cluster->{status} eq "up" && $match ne "denied") { my $priority = $match eq "preferred" ? 20 : 10; - my $distance = distance($origin->{lat}, $origin->{lon}, $cluster->{lat}, $cluster->{lon}); + my $distance; + + if ($cluster->{global}) + { + $distance = 0; + } + else + { + $distance = distance($origin->{lat}, $origin->{lon}, $cluster->{lat}, $cluster->{lon}); + } push @mappings, { origin => $origin, cluster => $cluster, @@ -179,7 +207,7 @@ foreach my $origin (values %$origins) allocate_clusters(@mappings); # If we failed to allocate every origin then loop, increasing -# the bandwidth for each cluster by a little and retrying until +# the requests for each cluster by a little and retrying until # we manage to allocate everything while (grep { !exists($_->{cluster}) } values %$origins) { @@ -189,17 +217,36 @@ while (grep { !exists($_->{cluster}) } values %$origins) delete $origin->{cluster}; } - # Reset bandwidth usage for clusters and increase limits by 10% + # Reset requests usage for clusters and increase limits by 10% foreach my $cluster (values %$clusters) { - $cluster->{bandwidth_used} = 0; - $cluster->{bandwidth_limit} = $cluster->{bandwidth_limit} * 1.1; + $cluster->{requests_used} = 0; + $cluster->{requests_limit} = $cluster->{requests_limit} * 1.1; } # Try the allocate again allocate_clusters(@mappings); } +# Report on allocation results +foreach my $name (sort keys %$clusters) +{ + my $cluster = $clusters->{$name}; + my $used = int($cluster->{requests_used} + 0.5); + my $limit = $cluster->{requests_limit}; + + if ($limit > 0) + { + my $proportion = int($used / $limit * 100 + 0.5); + + print "${name}: used ${used} of ${limit} (${proportion}%)\n"; + } + else + { + print "${name}: used ${used} of ${limit}\n"; + } +} + # Create JSON collection object my @json; @@ -214,39 +261,45 @@ $zonefile->print("var \U${zone}\E_RECORDS = [\n"); foreach my $origin (sort { $a->{name} cmp $b->{name} } values %$origins) { my $cluster = $origin->{cluster}; - my $clon = $origin->{lon}; - my $clat = $origin->{lat}; - my $slon = $cluster->{lon}; - my $slat = $cluster->{lat}; - - if ($clon > 0 && $slon < 0 && 360 + $slon - $clon < $clon - $slon) - { - $slon = $slon + 360; - } - elsif ($slon > 0 && $clon < 0 && 360 + $clon - $slon < $slon - $clon) - { - $clon = $clon + 360; - } if (!defined($gdnsname)) { $zonefile->print(" CNAME(\"\L$origin->{code}\E.${zone}\", \"$cluster->{name}.${zone}.openstreetmap.org.\", TTL(\"10m\")),\n"); } - push @json, { - type => "Feature", - geometry => { - type => "LineString", - coordinates => [ [ $clon, $clat ], [ $slon, $slat ] ] - }, - properties => { - origin => $origin->{name}, - server => $cluster->{name}, - colour => $cluster->{colour} + if ($cluster->{lon} && $cluster->{lat}) + { + my $clon = $origin->{lon}; + my $clat = $origin->{lat}; + my $slon = $cluster->{lon}; + my $slat = $cluster->{lat}; + + if ($clon > 0 && $slon < 0 && 360 + $slon - $clon < $clon - $slon) + { + $slon = $slon + 360; } - }; + elsif ($slon > 0 && $clon < 0 && 360 + $clon - $slon < $slon - $clon) + { + $clon = $clon + 360; + } + + push @json, { + type => "Feature", + geometry => { + type => "LineString", + coordinates => [ [ $clon, $clat ], [ $slon, $slat ] ] + }, + properties => { + origin => $origin->{name}, + server => $cluster->{name}, + colour => $cluster->{colour} + } + }; + } - $targetorigins->{$cluster->{name}}->{bandwidth} += $origin->{bandwidth}; + next if $cluster->{global}; + + $targetorigins->{$cluster->{name}}->{requests} += $origin->{requests}; } # Skip default records if we don't need them @@ -259,11 +312,11 @@ if (!defined($gdnsname)) if (my $default = $cluster->{default}) { - output_server($zonefile, "${default}.${zone}", $cluster); + output_server($zonefile, "${default}.${zone}", $cluster, 0); } elsif (exists($cluster->{default})) { - output_server($zonefile, "${zone}", $cluster); + output_server($zonefile, "${zone}", $cluster, 0); } } } @@ -275,11 +328,11 @@ foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters) if (@{$cluster->{servers}} > 1) { - output_server($zonefile, "${name}-%02d.${zone}", $cluster); + output_server($zonefile, "${name}-%02d.${zone}", $cluster, 1); } else { - output_server($zonefile, "${name}.${zone}", $cluster); + output_server($zonefile, "${name}.${zone}", $cluster, 1); } } @@ -339,7 +392,7 @@ if (defined($gdnsname)) { my $name = $cluster->{name}; - if (@{$cluster->{servers}} > 1) + if (@{$cluster->{servers}} > 1 && grep { $_->{status} eq "up" } @{$cluster->{servers}}) { $gdnsweightedfile->print("${name} => {\n"); @@ -348,9 +401,16 @@ if (defined($gdnsname)) if ($server->{status} eq "up") { my $number = sprintf("%02d", $index + 1); - my $bandwidth = $server->{bandwidth}; - - $gdnsweightedfile->print(" ${name}-${number} = [ ${name}-${number}.${zone}.openstreetmap.org., ${bandwidth} ]\n"); + my $requests = $server->{requests}; + + if (my $cname = $server->{cname}) + { + $gdnsweightedfile->print(" ${name}-${number} = [ ${cname}., ${requests} ]\n"); + } + else + { + $gdnsweightedfile->print(" ${name}-${number} = [ ${name}-${number}.${zone}.openstreetmap.org., ${requests} ]\n"); + } } } @@ -358,6 +418,10 @@ if (defined($gdnsname)) $gdnsresourcefile->print(" ${name} => %weighted!${name}\n"); } + elsif (my $cname = $cluster->{cname}) + { + $gdnsresourcefile->print(" ${name} => ${cname}.\n"); + } else { $gdnsresourcefile->print(" ${name} => ${name}.${zone}.openstreetmap.org.\n"); @@ -373,7 +437,7 @@ if (defined($gdnsname)) } # Output the target details in origin format if required -YAML::DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile; +DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile; exit 0; @@ -467,7 +531,7 @@ sub allocate_clusters my @mappings = sort { compare_mappings($a, $b) } @_; # Loop over the mappings, trying to assign each origin to the - # nearest cluster, but subject to the bandwidth limits + # nearest cluster, but subject to the request limits while (my $mapping = shift @mappings) { my @group; @@ -479,16 +543,16 @@ sub allocate_clusters push @group, shift @mappings; } - for my $mapping (sort compare_bandwidth @group) + for my $mapping (sort compare_requests @group) { my $origin = $mapping->{origin}; my $cluster = $mapping->{cluster}; if (!exists($origin->{cluster}) && - $cluster->{bandwidth_used} + $origin->{bandwidth} <= $cluster->{bandwidth_limit}) + $cluster->{requests_used} + $origin->{requests} <= $cluster->{requests_limit}) { $origin->{cluster} = $cluster; - $cluster->{bandwidth_used} = $cluster->{bandwidth_used} + $origin->{bandwidth}; + $cluster->{requests_used} = $cluster->{requests_used} + $origin->{requests}; } } } @@ -511,10 +575,10 @@ sub compare_mappings # # Compare two mappings to decide which to try first # -sub compare_bandwidth +sub compare_requests { - my $a_used = ( $a->{cluster}->{bandwidth_used} * 100.0 ) / ( $a->{cluster}->{bandwidth_limit} * 1.0 ); - my $b_used = ( $b->{cluster}->{bandwidth_used} * 100.0 ) / ( $b->{cluster}->{bandwidth_limit} * 1.0 ); + my $a_used = ( $a->{cluster}->{requests_used} * 100.0 ) / ( $a->{cluster}->{requests_limit} * 1.0 ); + my $b_used = ( $b->{cluster}->{requests_used} * 100.0 ) / ( $b->{cluster}->{requests_limit} * 1.0 ); return $a_used <=> $b_used; } @@ -527,12 +591,16 @@ sub output_server my $zonefile = shift; my $name = shift; my $cluster = shift; + my $all = shift; while (my($index,$server) = each @{$cluster->{servers}}) { - if ($server->{status} eq "up") + if ($all || $server->{status} eq "up") { - $zonefile->printf(" A(\"${name}\", \"$server->{ipv4}\", TTL(\"10m\")),\n", $index + 1); + if ($server->{ipv4}) + { + $zonefile->printf(" A(\"${name}\", \"$server->{ipv4}\", TTL(\"10m\")),\n", $index + 1); + } if ($server->{ipv6}) {