Powerdns और nginx का उपयोग करते हुए geoDNS

 #   X-remotebackend powerdns  IP  #    ,     $src geo $http_x_remotebackend_remote $src{ default def; 127.1.0.0/16 i0; 127.1.1.0/24 i1; } #  ,    geo-  IP  log_format ns '$remote_addr - [$time_local] "$request" $status ' '"$http_user_agent" $http_x_remotebackend_real_remote ' ' $http_x_remotebackend_real_remote $http_x_remotebackend_remote $http_x_remotebackend_local $src'; server { listen 127.0.0.1:4343; access_log /var/www/dns/logs/nginx.access.log ns; error_log /var/www/dns/logs/nginx.error.log; #   ! #rewrite_log on; root /var/www/dns/store; #      - . error_page 403 /backend.jsn; location / { return 403; } location ~* ^/dnsapi/lookup/([^\.]+)\.([^/]*)/([az]+)$ { #   http add_header X-geo $src; sub_filter_types text/plain; sub_filter "%WC%" $1.$2. ; #          , #  /empty.jsn try_files /$2/$src/$1.$2_$3.jsn /$1.$2/$src/$1.$2_$3.jsn /$2/$src/_$2_$3.jsn /$2/def/$1.$2_$3.jsn /$1.$2/def/$1.$2_$3.jsn /$2/def/_$2_$3.jsn /empty.jsn @fallback; #        ($src) #   ,  . index fallback.jsn; limit_except GET {deny all;} # ./nextsub.sub.domain.com/SOA # sub.domain.com/<geo>/nextsub.sub.domain.com_SOA # nextsub.sub.domain.com/<geo>/nextsub.sub.domain.com_SOA # sub.domain.com/<geo>/_sub.domain.com_SOA # ./sub.domain.com/SOA # ... } #    . location @fallback{ rewrite ^/dnsapi/lookup/([^\.]+)\.([^/]*)/([az]+) /dnsapi/lookup/$2/$3; } } #server 

 <?php $empty=array(); define('TTL',3); opt('empty',true,'empty'); opt('index','true','index'); opt('backend',false,'backend'); $zones=array(); //  $q=array(); $q[]=array('','NS','a.ns'); $q[]=array('','NS','b.ns'); $q[]=array('','A','1.1.1.1'); $q[]=array('www','CNAME',''); $q[]=array('*','A','3.2.1.4'); $q[]=array('','MX','mxs.ns',5); $q[]=array('','SOA','a.ns domain.lazutov.net. 5 3600 3600 604800 0'); //   geo $zones['q.qq']['def']=$q; $q=unsetrr($q,'','A'); //      $zones['q.qq']['i0']=$q; $zones['q.qq']['i0'][]=array('','A','127.0.0.1'); $zones['q.qq']['i1']=$q; $zones['q.qq']['i1'][]=array('','A','127.1.99.123'); foreach ($zones as $zone=>$locdata){ foreach ($locdata as $loc=>$rrs){ $sub=array(); $all=$rrs; //   "" foreach ($rrs as $r){ if ($r[0]==='*'){ $sub['*'][]=$r; } elseif ($r[0]==='') { $sub['@'][]=$r; } else { $sub[$r[0]][]=$r; } } //        . foreach ($sub as $sd=>$rrs){ $rrs=formdata($zone,$rrs); foreach ($rrs as $type=>$v) writedown($zone,$loc,$sd,$type,$v); } } } //      type  sub  zone   loc function writedown ($zone,$loc,$sub,$type,$data){ $fn="{$sub}.{$zone}"; if ($sub=='@') $fn=$zone; elseif ($sub=='*') $fn='_'.$zone; opt("{$zone}/{$loc}/{$fn}_{$type}",$data); } //     json (  ) function formdata($zone,$rrs){ $r=array(); foreach ($rrs as $rr){ $qname=(empty($rr[0])?$zone:"{$rr[0]}.{$zone}"); $pr=(empty($rr[3])?0:intval($rr[3])); $c=(empty($rr[2])?$zone:$rr[2]); $rd=array('qname'=>$qname,'qtype'=>$rr[1],'content'=>$c,'ttl'=>TTL,'priority'=>$pr,'domain_id'=>-1); if ($rr[0]==='*' AND $rd['qtype']!=='ANY') $rd['qname']='%WC%'; $r[$rr[1]][]=$rd; $r['ANY'][]=$rd; } return $r; } function unsetrr($data,$src,$type){ foreach ($data as $k=>$v) if ($v[0]===$src and $v[1]===$type) unset($data[$k]); return $data; } //  OutPuT  data   file   add function opt($file,$data,$add=NULL){ $r=array('result'=>$data); if (!empty($add)) $r['desc']=$add; $dir=dirname(__FILE__); $cd=dirname($dir.'/'.$file) ; //echo "{$cd}\n"; if (!is_dir($cd)) mkdir($cd ); file_put_contents($dir.'/'.$file.'.jsn',json_encode($r) ); }