Drop unused A records for clustered CDN nodes

[dns.git] / bin / mkgeo

diff --git a/bin/mkgeo b/bin/mkgeo
index 4bd4db2f8a9d3ea16c19409f56d45939a57ddfce..ce0ff2f10c6a19db32408eaf168aad252f0616ca 100755 (executable)
--- a/bin/mkgeo
+++ b/bin/mkgeo
@@ -1,5 +1,7 @@
 #!/usr/bin/perl
 
 #!/usr/bin/perl
 

+use v5.12;
+

 use strict;
 use warnings;
 
 use strict;
 use warnings;
 


@@ -15,6 +17,7 @@ my $zone = shift @ARGV;
 my $targetoriginfile = shift @ARGV;
 my $origins = YAML::LoadFile($originfile);
 my $clusters = YAML::LoadFile($clusterfile);
 my $targetoriginfile = shift @ARGV;
 my $origins = YAML::LoadFile($originfile);
 my $clusters = YAML::LoadFile($clusterfile);

+my $gdnsname = shift @ARGV;

 my @servers;
 
 # Initialise cluster details
 my @servers;
 
 # Initialise cluster details


@@ -36,7 +39,7 @@ while (my($name,$cluster) = each %$clusters)
     {
         my $server = {
             cluster => $cluster,
     {
         my $server = {
             cluster => $cluster,

-            pingdom => $cluster->{pingdom},
+            statuscake => $cluster->{statuscake},

             bandwidth => $cluster->{bandwidth},
             ipv4 => $cluster->{ipv4},
             ipv6 => $cluster->{ipv6}
             bandwidth => $cluster->{bandwidth},
             ipv4 => $cluster->{ipv4},
             ipv6 => $cluster->{ipv6}


@@ -57,41 +60,57 @@ foreach my $server (@servers)
     $server->{status} = "up";
 }
 
     $server->{status} = "up";
 }
 

-# If pingdom support is enabled then check which servers are up
-if ($ENV{PINGDOM_USERNAME} && $ENV{PINGDOM_PASSWORD})
+# If statuscake support is enabled then check which servers are up
+if ($ENV{STATUSCAKE_USERNAME} && $ENV{STATUSCAKE_APIKEY})

 {
     my $ua = LWP::UserAgent->new;
     my $cache;
 
 {
     my $ua = LWP::UserAgent->new;
     my $cache;
 

-    $ua->timeout(5);
-    $ua->default_header("App-Key", "2cohi62u5haxvqmypk3ljqqrze1jufrh");
-    $ua->credentials("api.pingdom.com:443", "Pingdom API", $ENV{PINGDOM_USERNAME}, $ENV{PINGDOM_PASSWORD});
+    $ua->agent("mkgeo/1.0");
+    $ua->default_header("Username", $ENV{STATUSCAKE_USERNAME});
+    $ua->default_header("API", $ENV{STATUSCAKE_APIKEY});

 
 

-    if (-f "pingdom.yml")
+    if (-f "statuscake.yml")

     {
     {

-        $cache = YAML::LoadFile("pingdom.yml"); 
+        $cache = YAML::LoadFile("statuscake.yml");

     }
     else
     {
         $cache = {};
     }
 
     }
     else
     {
         $cache = {};
     }
 

-    foreach my $server (@servers)
+    my $response = $ua->get("https://app.statuscake.com/API/Tests/");
+
+    if ($response->is_success)

     {
     {

-        if (my $checkid = $server->{pingdom})
+        my $tests = decode_json($response->content);
+
+        foreach my $test (@$tests)

         {
         {

-            my $response = $ua->get("https://api.pingdom.com/api/2.0/checks/${checkid}");
+            my $testid = $test->{TestID};

 
 

-            if ($response->is_success)
+            if ($test->{Status} eq "Up" && !$test->{Paused})

             {
             {

-                my $check = decode_json($response->content);
-
-                $server->{status} = $check->{check}->{status};
-                $cache->{$server->{pingdom}} = $check->{check}->{status};
+                $cache->{$testid} = "up";

             }
             else
             {
             }
             else
             {

-                $server->{status} = $cache->{$server->{pingdom}} || "down";
+                $cache->{$testid} = "down";
+            }
+        }
+    }
+
+    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
             }
         }
         else


@@ -100,7 +119,7 @@ if ($ENV{PINGDOM_USERNAME} && $ENV{PINGDOM_PASSWORD})
         }
     }
 
         }
     }
 

-    YAML::DumpFile("pingdom.yml", $cache);
+    YAML::DumpFile("statuscake.yml", $cache);

 }
 
 # Mark a cluster as up if any servers are up
 }
 
 # Mark a cluster as up if any servers are up


@@ -185,11 +204,14 @@ while (grep { !exists($_->{cluster}) } values %$origins)
 my @json;
 
 # Open output files
 my @json;
 
 # 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
 
 # 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 $cluster = $origin->{cluster};
     my $clon = $origin->{lon};


@@ -206,8 +228,10 @@ foreach my $origin (values %$origins)
         $clon = $clon + 360;
     }
 
         $clon = $clon + 360;
     }
 

-    $zonefile->print("# $origin->{name}\n");
-    $zonefile->print("C\L$origin->{code}\E.${zone}:$cluster->{name}.${zone}:600\n");
+    if (!defined($gdnsname))
+    {
+        $zonefile->print("  CNAME(\"\L$origin->{code}\E.${zone}\", \"$cluster->{name}.${zone}.openstreetmap.org.\", TTL(\"10m\")),\n");
+    }

 
     push @json, {
         type => "Feature",
 
     push @json, {
         type => "Feature",


@@ -225,37 +249,128 @@ foreach my $origin (values %$origins)
     $targetorigins->{$cluster->{name}}->{bandwidth} += $origin->{bandwidth};
 }
 
     $targetorigins->{$cluster->{name}}->{bandwidth} += $origin->{bandwidth};
 }
 

-# Header for default records
-$zonefile->print("# Unknown origins\n");
-
-# Output default records for IPs that can't be mapped to a country
-while (my($name,$cluster) = each %$clusters)
+# Skip default records if we don't need them
+if (!defined($gdnsname))

 {
 {

-    if (my $default = $cluster->{default})
-    {
-        output_server($zonefile, "${default}.${zone}", $cluster);
-    }
-    elsif (exists($cluster->{default}))
+    # Output default records for IPs that can't be mapped to a country
+    foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters)

     {
     {

-        output_server($zonefile, "${zone}", $cluster);
+        my $name = $cluster->{name};
+
+        if (my $default = $cluster->{default})
+        {
+            output_server($zonefile, "${default}.${zone}", $cluster);
+        }
+        elsif (exists($cluster->{default}))
+        {
+            output_server($zonefile, "${zone}", $cluster);
+        }

     }
 }
 
     }
 }
 

-# Header for underlying servers
-$zonefile->print("# Servers\n");
-

 # Output A records for each cluster
 # Output A records for each cluster

-while (my($name,$cluster) = each %$clusters)
+foreach my $cluster (sort { $a->{name} cmp $b->{name} } values %$clusters)

 {
 {

-    output_server($zonefile, "${name}.${zone}", $cluster);
+    my $name = $cluster->{name};
+
+    if (@{$cluster->{servers}} > 1)
+    {
+        output_server($zonefile, "${name}-%02d.${zone}", $cluster);
+    }
+    else
+    {
+        output_server($zonefile, "${name}.${zone}", $cluster);
+    }

 }
 
 # Output the GeoJSON text
 $jsonfile->print(encode_json(\@json));
 
 }
 
 # Output the GeoJSON text
 $jsonfile->print(encode_json(\@json));
 

+# Output footers
+$zonefile->print("];\n");
+

 # Close the output files
 # Close the output files

-$jsonfile->close();

 $zonefile->close();
 $zonefile->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}.openstreetmap.org., ${bandwidth} ]\n");
+                }
+            }
+
+            $gdnsweightedfile->print("}\n");
+
+            $gdnsresourcefile->print("    ${name} => %weighted!${name}\n");
+        }
+        else
+        {
+            $gdnsresourcefile->print("    ${name} => ${name}.${zone}.openstreetmap.org.\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;
 
 # Output the target details in origin format if required
 YAML::DumpFile($targetoriginfile, $targetorigins) if $targetoriginfile;


@@ -272,8 +387,20 @@ sub match_origin
     my $match;
 
     if ($cluster->{preferred} &&
     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}->{countries} &&
+           grep { $_ eq $origin->{country} } @{$cluster->{preferred}->{countries}})

     {
         $match = "preferred";
     }
     {
         $match = "preferred";
     }


@@ -401,15 +528,15 @@ sub output_server
     my $name = shift;
     my $cluster = shift;
 
     my $name = shift;
     my $cluster = shift;
 

-    foreach my $server (@{$cluster->{servers}})
+    while (my($index,$server) = each @{$cluster->{servers}})

     {
         if ($server->{status} eq "up")
         {
     {
         if ($server->{status} eq "up")
         {

-            $zonefile->print("+${name}:$server->{ipv4}:600\n");
+            $zonefile->printf("  A(\"${name}\", \"$server->{ipv4}\", TTL(\"10m\")),\n", $index + 1);

 
             if ($server->{ipv6})
             {
 
             if ($server->{ipv6})
             {

-#                $zonefile->print("3${name}:$server->{ipv6}:600\n");
+                $zonefile->printf("  AAAA(\"${name}\", \"$server->{ipv6}\", TTL(\"10m\")),\n", $index + 1);

             }
         }
     }
             }
         }
     }