#!/usr/bin/perl
+use v5.12;
+
use strict;
use warnings;
my $originfile = shift @ARGV;
my $clusterfile = shift @ARGV;
my $zone = shift @ARGV;
+my $jszone = shift @ARGV;
my $targetoriginfile = shift @ARGV;
my $origins = YAML::LoadFile($originfile);
my $clusters = YAML::LoadFile($clusterfile);
+my $gdnsname = shift @ARGV;
my @servers;
# Initialise cluster details
{
my $server = {
cluster => $cluster,
- pingdom => $cluster->{pingdom},
+ statuscake => $cluster->{statuscake},
bandwidth => $cluster->{bandwidth},
ipv4 => $cluster->{ipv4},
ipv6 => $cluster->{ipv6}
}
$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_USERNAME} && $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});
+
+ if (-f "statuscake.yml")
{
- $server->{status} = "down";
+ $cache = YAML::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;
+ my $response = $ua->get("https://app.statuscake.com/API/Tests/");
- $ua->default_header("App-Key", "2cohi62u5haxvqmypk3ljqqrze1jufrh");
- $ua->credentials("api.pingdom.com:443", "Pingdom API", $ENV{PINGDOM_USERNAME}, $ENV{PINGDOM_PASSWORD});
+ if ($response->is_success)
+ {
+ my $tests = decode_json($response->content);
+
+ foreach my $test (@$tests)
+ {
+ my $testid = $test->{TestID};
+
+ if ($test->{Status} eq "Up" && !$test->{Paused})
+ {
+ $cache->{$testid} = "up";
+ }
+ else
+ {
+ $cache->{$testid} = "down";
+ }
+ }
+ }
foreach my $server (@servers)
{
- if (my $checkid = $server->{pingdom})
+ if (my $testids = $server->{statuscake})
{
- my $response = $ua->get("https://api.pingdom.com/api/2.0/checks/${checkid}");
+ $server->{status} = "up";
- if ($response->is_success)
+ for my $testid (@$testids)
{
- my $check = decode_json($response->content);
-
- $server->{status} = $check->{check}->{status};
+ my $testresult = $cache->{$testid} || "down";
- if ($server->{status} eq "up")
- {
- $server->{cluster}->{status} = "up";
- }
- else
- {
- $server->{cluster}->{bandwidth} = $server->{cluster}->{bandwidth} - $server->{bandwidth};
- }
+ $server->{status} = "down" if $testresult eq "down";
}
}
+ else
+ {
+ $server->{status} = "down";
+ }
+ }
+
+ YAML::DumpFile("statuscake.yml", $cache);
+}
+
+# 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}->{bandwidth} = $server->{cluster}->{bandwidth} - $server->{bandwidth};
}
}
+# 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;
+
+ $targetorigins->{$cluster->{name}} = {
+ code => $cluster->{name},
+ name => $cluster->{name},
+ lat => $cluster->{lat},
+ lon => $cluster->{lon},
+ bandwidth => 0
+ };
}
my @mappings = ();
# Create JSON collection object
my @json;
-# Create target origins object
-my $targetorigins = {};
-
# Open output files
my $zonefile = IO::File->new("> data/${zone}") || die "$!";
+my $jszonefile = IO::File->new("> include/${jszone}.js") || die "$!";
my $jsonfile = IO::File->new("> json/${zone}.json") || die "$!";
+# Output headers
+$jszonefile->print("var \U${jszone}\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};
$zonefile->print("# $origin->{name}\n");
$zonefile->print("C\L$origin->{code}\E.${zone}:$cluster->{name}.${zone}:600\n");
+ $jszonefile->print(" CNAME(\"\L$origin->{code}\E.${jszone}\", \"$cluster->{name}.${zone}.\", TTL(\"10m\")),\n");
+
push @json, {
type => "Feature",
geometry => {
}
};
- unless (exists($targetorigins->{$cluster->{name}}))
- {
- $targetorigins->{$cluster->{name}} = {
- code => $cluster->{name},
- name => $cluster->{name},
- lat => $cluster->{lat},
- lon => $cluster->{lon},
- bandwidth => 0
- };
- }
-
$targetorigins->{$cluster->{name}}->{bandwidth} += $origin->{bandwidth};
}
+# Header for default records
+$zonefile->print("# Unknown origins\n");
+
# Output default records for IPs that can't be mapped to a country
-foreach my $cluster (grep { $clusters->{$_}->{default} } keys %$clusters)
+foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters)
{
- $zonefile->print("# Unknown origins\n");
- $zonefile->print("Cxx.${zone}:${cluster}.${zone}:600\n");
+ my $name = $cluster->{name};
+
+ if (my $default = $cluster->{default})
+ {
+ output_server($zonefile, $jszonefile, "${default}.${zone}", "${default}.${jszone}", $cluster);
+ }
+ elsif (exists($cluster->{default}))
+ {
+ output_server($zonefile, $jszonefile, "${zone}", "${jszone}", $cluster);
+ }
}
+# Header for underlying servers
$zonefile->print("# Servers\n");
# Output A records for each cluster
-while (my($name,$cluster) = each %$clusters)
+foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters)
{
- foreach my $server (@{$cluster->{servers}})
- {
- if ($server->{status} eq "up")
- {
- $zonefile->print("+${name}.${zone}:$server->{ipv4}:600\n");
+ my $name = $cluster->{name};
- if ($server->{ipv6})
- {
-# $zonefile->print("3${name}.${zone}:$server->{ipv6}:600\n");
- }
- }
+ output_server($zonefile, $jszonefile, "${name}.${zone}", "${name}.${jszone}", $cluster);
+
+ if (@{$cluster->{servers}} > 1)
+ {
+ output_server($zonefile, $jszonefile, "${name}-%02d.${zone}", "${name}-%02d.${jszone}", $cluster);
}
}
# Output the GeoJSON text
$jsonfile->print(encode_json(\@json));
+# Output footers
+$jszonefile->print("];\n");
+
# Close the output files
$jsonfile->close();
+$jszonefile->close();
$zonefile->close();
+# Output gdnsd configuration
+if (defined($gdnsname))
+{
+ 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)
+ {
+ my $code = $origin->{code};
+ my $cluster = $origin->{cluster}->{name};
+
+ next if $code eq "XK";
+
+ if ($continent ne $origin->{continent})
+ {
+ $gdnsmapfile->print(" }\n") if $continent;
+
+ $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)
+ {
+ $gdnsweightedfile->print("${name} => {\n");
+
+ while (my($index,$server) = each @{$cluster->{servers}})
+ {
+ if ($server->{status} eq "up")
+ {
+ my $number = sprintf("%02d", $index + 1);
+ my $bandwidth = $server->{bandwidth};
+
+ $gdnsweightedfile->print(" ${name}-${number} = [ ${name}-${number}.${zone}., ${bandwidth} ]\n");
+ }
+ }
+
+ $gdnsweightedfile->print("}\n");
+
+ $gdnsresourcefile->print(" ${name} => %weighted!${name}\n");
+ }
+ else
+ {
+ $gdnsresourcefile->print(" ${name} => ${name}.${zone}.\n");
+ }
+ }
+
+ $gdnsresourcefile->print(" }\n");
+ $gdnsresourcefile->print("}\n");
+
+ $gdnsweightedfile->close();
+ $gdnsresourcefile->close();
+ $gdnsmapfile->close();
+}
+
# Output the target details in origin format if required
YAML::DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile;
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";
}
{
$match = "allowed";
}
+ elsif ($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";
}
return $a_used <=> $b_used;
}
+
+#
+# Output DNS records for a server
+#
+sub output_server
+{
+ my $zonefile = shift;
+ my $jszonefile = shift;
+ my $name = shift;
+ my $jsname = shift;
+ my $cluster = shift;
+
+ while (my($index,$server) = each @{$cluster->{servers}})
+ {
+ if ($server->{status} eq "up")
+ {
+ $zonefile->printf("+${name}:$server->{ipv4}:600\n", $index + 1);
+ $jszonefile->printf(" A(\"${jsname}\", \"$server->{ipv4}\", TTL(\"10m\")),\n", $index + 1);
+
+ if ($server->{ipv6})
+ {
+ my $ipv6 = $server->{ipv6};
+
+ $ipv6 =~ s/([0-9a-f]{4})(?=.)/$1:/ig;
+
+ $zonefile->printf("3${name}:$server->{ipv6}:600\n", $index + 1);
+ $jszonefile->printf(" AAAA(\"${jsname}\", \"${ipv6}\", TTL(\"10m\")),\n", $index + 1);
+ }
+ }
+ }
+
+ return;
+}
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