X-Git-Url: https://git.openstreetmap.org./dns.git/blobdiff_plain/e32ab0cf0f3494dee6121cfe7335b56250b84dcc..270969836a8d2d914ed05e2f89960b01b4909a22:/bin/mkgeo?ds=sidebyside diff --git a/bin/mkgeo b/bin/mkgeo index 33a05b0..eda6247 100755 --- a/bin/mkgeo +++ b/bin/mkgeo @@ -1,5 +1,7 @@ #!/usr/bin/perl +use v5.12; + use strict; use warnings; @@ -7,14 +9,15 @@ 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 $gdnsname = shift @ARGV; my @servers; # Initialise cluster details @@ -22,12 +25,12 @@ while (my($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, $server; } @@ -36,8 +39,9 @@ while (my($name,$cluster) = each %$clusters) { my $server = { cluster => $cluster, - pingdom => $cluster->{pingdom}, - bandwidth => $cluster->{bandwidth}, + statuscake => $cluster->{statuscake}, + requests => $cluster->{requests}, + cname => $cluster->{cname}, ipv4 => $cluster->{ipv4}, ipv6 => $cluster->{ipv6} }; @@ -48,68 +52,117 @@ while (my($name,$cluster) = each %$clusters) } $cluster->{name} = $name; - - if ($ENV{PINGDOM_USERNAME} && $ENV{PINGDOM_PASSWORD}) - { - $cluster->{status} = "down"; - } - else - { - $cluster->{status} = "up"; - } + $cluster->{status} = "down"; } # Initialise server details foreach my $server (@servers) { - if ($ENV{PINGDOM_USERNAME} && $ENV{PINGDOM_PASSWORD}) + $server->{status} = "up"; +} + +# If statuscake support is enabled then check which servers are up +if ($ENV{STATUSCAKE_APIKEY}) +{ + my $ua = LWP::UserAgent->new; + my $cache; + + $ua->agent("mkgeo/1.0"); + $ua->default_header("Authorization", "Bearer $ENV{STATUSCAKE_APIKEY}"); + + if (-f "statuscake.yml") { - $server->{status} = "down"; + $cache = LoadFile("statuscake.yml"); } else { - $server->{status} = "up"; + $cache = {}; } -} - -# If pingdom support is enabled then check which servers are up -if ($ENV{PINGDOM_USERNAME} && $ENV{PINGDOM_PASSWORD}) -{ - my $ua = LWP::UserAgent->new; - $ua->default_header("App-Key", "2cohi62u5haxvqmypk3ljqqrze1jufrh"); - $ua->credentials("api.pingdom.com:443", "Pingdom API", $ENV{PINGDOM_USERNAME}, $ENV{PINGDOM_PASSWORD}); + my $page = 1; + my $pages = 1; - foreach my $server (@servers) + while ($page <= $pages) { - if (my $checkid = $server->{pingdom}) + my $response = $ua->get("https://api.statuscake.com/v1/uptime?limit=100&page=${page}"); + + if ($response->is_success) { - my $response = $ua->get("https://api.pingdom.com/api/2.0/checks/${checkid}"); + my $uptime = decode_json($response->content); - if ($response->is_success) + foreach my $test (@{$uptime->{data}}) { - my $check = decode_json($response->content); + my $testid = $test->{id}; - $server->{status} = $check->{check}->{status}; - - if ($server->{status} eq "up") + if ($test->{status} eq "up" && !$test->{paused}) { - $server->{cluster}->{status} = "up"; + $cache->{$testid} = "up"; } else { - $server->{cluster}->{bandwidth} = $server->{cluster}->{bandwidth} - $server->{bandwidth}; + $cache->{$testid} = "down"; } } + + $page = $page + 1; + $pages = $uptime->{metadata}->{page_count}; } } + + foreach my $server (@servers) + { + if (my $testids = $server->{statuscake}) + { + $server->{status} = "up"; + + for my $testid (@$testids) + { + my $testresult = $cache->{$testid} || "down"; + + $server->{status} = "down" if $testresult eq "down"; + } + } + else + { + $server->{status} = "down"; + } + } + + DumpFile("statuscake-$$.yml", $cache); + rename("statuscake-$$.yml", "statuscake.yml"); } +# Mark a cluster as up if any servers are up +foreach my $server (@servers) +{ + if ($server->{status} eq "up") + { + $server->{cluster}->{status} = "up"; + } + else + { + $server->{cluster}->{requests} = $server->{cluster}->{requests} - $server->{requests}; + } +} + +# 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}, + requests => 0 + }; } my @mappings = (); @@ -124,7 +177,16 @@ 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, @@ -138,7 +200,7 @@ 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) { @@ -148,11 +210,11 @@ 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} = $cluster->{requests_limit} * 1.1; } # Try the allocate again @@ -162,106 +224,194 @@ while (grep { !exists($_->{cluster}) } values %$origins) # Create JSON collection object my @json; -# Create target origins object -my $targetorigins = {}; - # Open output files -my $zonefile = IO::File->new("> data/${zone}") || die "$!"; -my $jsonfile = IO::File->new("> json/${zone}.json") || die "$!"; +my $zonefile = IO::File->new("> include/${zone}.js") || die "$!"; +my $jsonfile = IO::File->new("> json/${zone}.openstreetmap.org.json") || die "$!"; + +# Output headers +$zonefile->print("var \U${zone}\E_RECORDS = [\n"); # Output details for each country -foreach my $origin (values %$origins) +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 - $slon) + if (!defined($gdnsname)) { - $slon = $slon + 360; + $zonefile->print(" CNAME(\"\L$origin->{code}\E.${zone}\", \"$cluster->{name}.${zone}.openstreetmap.org.\", TTL(\"10m\")),\n"); } - elsif ($slon > 0 && $clon < 0 && 360 + $clon - $slon < $slon - $clon) + + if ($cluster->{lon} && $cluster->{lat}) { - $clon = $clon + 360; - } + my $clon = $origin->{lon}; + my $clat = $origin->{lat}; + my $slon = $cluster->{lon}; + my $slat = $cluster->{lat}; - $zonefile->print("# $origin->{name}\n"); - $zonefile->print("C\L$origin->{code}\E.${zone}:$cluster->{name}.${zone}:600\n"); - - push @json, { - type => "Feature", - geometry => { - type => "LineString", - coordinates => [ [ $clon, $clat ], [ $slon, $slat ] ] - }, - properties => { - origin => $origin->{name}, - server => $cluster->{name}, - colour => $cluster->{colour} + if ($clon > 0 && $slon < 0 && 360 + $slon - $clon < $clon - $slon) + { + $slon = $slon + 360; + } + elsif ($slon > 0 && $clon < 0 && 360 + $clon - $slon < $slon - $clon) + { + $clon = $clon + 360; } - }; - unless (exists($targetorigins->{$cluster->{name}})) - { - $targetorigins->{$cluster->{name}} = { - code => $cluster->{name}, - name => $cluster->{name}, - lat => $cluster->{lat}, - lon => $cluster->{lon}, - bandwidth => 0 + 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} += $origin->{requests}; } -# Header for default records -$zonefile->print("# Unknown origins\n"); +# Skip default records if we don't need them +if (!defined($gdnsname)) +{ + # Output default records for IPs that can't be mapped to a country + foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters) + { + my $name = $cluster->{name}; -# Output default records for IPs that can't be mapped to a country -while (my($name,$cluster) = each %$clusters) + if (my $default = $cluster->{default}) + { + output_server($zonefile, "${default}.${zone}", $cluster, 0); + } + elsif (exists($cluster->{default})) + { + output_server($zonefile, "${zone}", $cluster, 0); + } + } +} + +# Output A records for each cluster +foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters) { - if (my $default = $cluster->{default}) + my $name = $cluster->{name}; + + if (@{$cluster->{servers}} > 1) { - $zonefile->print("C${default}.${zone}:${name}.${zone}:600\n"); + output_server($zonefile, "${name}-%02d.${zone}", $cluster, 1); } - elsif (exists($cluster->{default})) + else { - $zonefile->print("C${zone}:${name}.${zone}:600\n"); + output_server($zonefile, "${name}.${zone}", $cluster, 1); } } -# Header for underlying servers -$zonefile->print("# Servers\n"); +# Output the GeoJSON text +$jsonfile->print(encode_json(\@json)); -# Output A records for each cluster -while (my($name,$cluster) = each %$clusters) +# Output footers +$zonefile->print("];\n"); + +# Close the output files +$zonefile->close(); +$zonefile->close(); + +# Output gdnsd configuration +if (defined($gdnsname)) { - foreach my $server (@{$cluster->{servers}}) + my $gdnsmapfile = IO::File->new("> gdns/${gdnsname}.map") || die "$!"; + my $gdnsresourcefile = IO::File->new("> gdns/${gdnsname}.resource") || die "$!"; + my $gdnsweightedfile = IO::File->new("> gdns/${gdnsname}.weighted") || die "$!"; + my $continent = ""; + + $gdnsmapfile->print("${gdnsname} => {\n"); + $gdnsmapfile->print(" geoip2_db => /usr/share/GeoIP/GeoLite2-Country.mmdb\n"); + $gdnsmapfile->print(" datacenters => [" . join(",", sort(keys(%$clusters))) . "]\n"); + $gdnsmapfile->print(" map => {\n"); + $gdnsmapfile->print(" default => [" . join(",", sort(map { $_->{name} } grep { $_->{default} } values(%$clusters))) . "]\n"); + + foreach my $origin (sort { $a->{continent} cmp $b->{continent} || $a->{code} cmp $b->{code} } values %$origins) { - if ($server->{status} eq "up") + my $code = $origin->{code}; + my $cluster = $origin->{cluster}->{name}; + + next if $code eq "XK"; + + if ($continent ne $origin->{continent}) { - $zonefile->print("+${name}.${zone}:$server->{ipv4}:600\n"); + $gdnsmapfile->print(" }\n") if $continent; - if ($server->{ipv6}) + $continent = $origin->{continent}; + + $gdnsmapfile->print(" ${continent} => {\n"); + } + + $gdnsmapfile->print(" ${code} => [${cluster}]\n"); + } + + $gdnsmapfile->print(" }\n") if $continent; + + $gdnsmapfile->print(" }\n"); + $gdnsmapfile->print("}\n"); + + $gdnsresourcefile->print("${gdnsname} => {\n"); + $gdnsresourcefile->print(" map => ${gdnsname}\n"); + $gdnsresourcefile->print(" dcmap => {\n"); + + foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters) + { + my $name = $cluster->{name}; + + if (@{$cluster->{servers}} > 1 && grep { $_->{status} eq "up" } @{$cluster->{servers}}) + { + $gdnsweightedfile->print("${name} => {\n"); + + while (my($index,$server) = each @{$cluster->{servers}}) { -# $zonefile->print("3${name}.${zone}:$server->{ipv6}:600\n"); + if ($server->{status} eq "up") + { + my $number = sprintf("%02d", $index + 1); + 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"); + } + } } + + $gdnsweightedfile->print("}\n"); + + $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"); } } -} -# Output the GeoJSON text -$jsonfile->print(encode_json(\@json)); + $gdnsresourcefile->print(" }\n"); + $gdnsresourcefile->print("}\n"); -# Close the output files -$jsonfile->close(); -$zonefile->close(); + $gdnsweightedfile->close(); + $gdnsresourcefile->close(); + $gdnsmapfile->close(); +} # Output the target details in origin format if required -YAML::DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile; +DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile; exit 0; @@ -275,14 +425,20 @@ sub match_origin my $match; if ($cluster->{preferred} && - $cluster->{preferred}->{countries} && - grep { $_ eq $origin->{country} } @{$cluster->{preferred}->{countries}}) + $cluster->{preferred}->{origins} && + grep { $_ eq $origin->{name} } @{$cluster->{preferred}->{origins}}) { $match = "preferred"; } + elsif ($cluster->{allowed} && + $cluster->{allowed}->{origins} && + grep { $_ eq $origin->{name} } @{$cluster->{allowed}->{origins}}) + { + $match = "allowed"; + } elsif ($cluster->{preferred} && - $cluster->{preferred}->{continents} && - grep { $_ eq $origin->{continent} } @{$cluster->{preferred}->{continents}}) + $cluster->{preferred}->{countries} && + grep { $_ eq $origin->{country} } @{$cluster->{preferred}->{countries}}) { $match = "preferred"; } @@ -292,21 +448,27 @@ sub match_origin { $match = "allowed"; } + elsif ($cluster->{denied} && + $cluster->{denied}->{countries} && + grep { $_ eq $origin->{country} } @{$cluster->{denied}->{countries}}) + { + $match = "denied"; + } + elsif ($cluster->{preferred} && + $cluster->{preferred}->{continents} && + grep { $_ eq $origin->{continent} } @{$cluster->{preferred}->{continents}}) + { + $match = "preferred"; + } elsif ($cluster->{allowed} && $cluster->{allowed}->{continents} && grep { $_ eq $origin->{continent} } @{$cluster->{allowed}->{continents}}) { $match = "allowed"; } - elsif ($cluster->{denied} && - $cluster->{denied}->{countries} && - grep { $_ eq $origin->{country} } @{$cluster->{preferred}->{countries}}) - { - $match = "denied"; - } elsif ($cluster->{denied} && $cluster->{denied}->{continents} && - grep { $_ eq $origin->{continent} } @{$cluster->{preferred}->{continents}}) + grep { $_ eq $origin->{continent} } @{$cluster->{denied}->{continents}}) { $match = "denied"; } @@ -343,7 +505,7 @@ sub allocate_clusters my @mappings = sort { compare_mappings($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; @@ -355,16 +517,16 @@ 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}; } } } @@ -387,10 +549,39 @@ 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; } + +# +# Output DNS records for a server +# +sub output_server +{ + my $zonefile = shift; + my $name = shift; + my $cluster = shift; + my $all = shift; + + while (my($index,$server) = each @{$cluster->{servers}}) + { + if ($all || $server->{status} eq "up") + { + if ($server->{ipv4}) + { + $zonefile->printf(" A(\"${name}\", \"$server->{ipv4}\", TTL(\"10m\")),\n", $index + 1); + } + + if ($server->{ipv6}) + { + $zonefile->printf(" AAAA(\"${name}\", \"$server->{ipv6}\", TTL(\"10m\")),\n", $index + 1); + } + } + } + + return; +}