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diff -Nur e-smith-tinydns-2.4.0.old/createlinks e-smith-tinydns-2.4.0/createlinks |
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--- e-smith-tinydns-2.4.0.old/createlinks 2014-06-17 23:46:27.046462016 +0200 |
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+++ e-smith-tinydns-2.4.0/createlinks 2014-06-17 23:47:00.027649759 +0200 |
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@@ -26,3 +26,27 @@ |
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service_link_enhanced("tinydns", "K65", "6"); |
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service_link_enhanced("tinydns", "K65", "0"); |
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service_link_enhanced("tinydns", "K65", "1"); |
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+ |
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+#link to services2adjust and templates2expand for dhcp-dns event |
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+ for my $event (qw( dhcp-dns )) |
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+ { |
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+ # services to launch on event |
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+ safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dnscache"); |
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+ safe_symlink("sigusr1", "root/etc/e-smith/events/$event/services2adjust/tinydns"); |
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+ safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dhcpd"); |
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+ safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dhcp-dns"); |
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+ |
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+ # actions to perform |
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+ safe_symlink("../actions/dnscache-change", "root/etc/e-smith/events/$event/S20dnscache-change"); |
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+ |
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+ # Template to event |
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+ templates2events("/var/service/tinydns/root/data", $event); |
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+ } |
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+ |
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+#creation of dhcp-dns service |
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+ safe_symlink("daemontools", "root/etc/rc.d/init.d/dhcp-dns"); |
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+ service_link_enhanced("dhcp-dns", "S85", "7"); |
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+ service_link_enhanced("dhcp-dns", "K65", "6"); |
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+ service_link_enhanced("dhcp-dns", "K65", "0"); |
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+ service_link_enhanced("dhcp-dns", "K65", "1"); |
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+ safe_symlink("/var/service/dhcp-dns/", "root/service/dhcp-dns"); |
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diff -Nur e-smith-tinydns-2.4.0.old/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status |
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--- e-smith-tinydns-2.4.0.old/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status 1970-01-01 01:00:00.000000000 +0100 |
| 34 |
+++ e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status 2014-06-17 23:47:00.028649886 +0200 |
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@@ -0,0 +1 @@ |
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+enabled |
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diff -Nur e-smith-tinydns-2.4.0.old/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type |
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--- e-smith-tinydns-2.4.0.old/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type 1970-01-01 01:00:00.000000000 +0100 |
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+++ e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type 2014-06-17 23:47:00.029650013 +0200 |
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@@ -0,0 +1 @@ |
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+service |
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diff -Nur e-smith-tinydns-2.4.0.old/root/etc/e-smith/events/actions/dnscache-change e-smith-tinydns-2.4.0/root/etc/e-smith/events/actions/dnscache-change |
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--- e-smith-tinydns-2.4.0.old/root/etc/e-smith/events/actions/dnscache-change 1970-01-01 01:00:00.000000000 +0100 |
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+++ e-smith-tinydns-2.4.0/root/etc/e-smith/events/actions/dnscache-change 2014-06-17 23:47:00.030650140 +0200 |
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@@ -0,0 +1,3 @@ |
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+#!/bin/sh |
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+ |
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+/usr/bin/sv 1 /service/tinydns |
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diff -Nur e-smith-tinydns-2.4.0.old/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords e-smith-tinydns-2.4.0/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords |
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--- e-smith-tinydns-2.4.0.old/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords 1970-01-01 01:00:00.000000000 +0100 |
| 51 |
+++ e-smith-tinydns-2.4.0/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords 2014-06-17 23:52:49.434051111 +0200 |
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@@ -0,0 +1,48 @@ |
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+{ |
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+ # we need perl-Text-DHCPparse rpm from Dag's repo |
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+ use Text::DHCPparse; |
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+ |
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+ # we need perl-Date-Manip to convert to a unix timestamp |
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+ use Date::Manip qw /UnixDate/; |
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+ |
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+ # we need perl-Time-TAI64 for timestamp conversion |
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+ use Time::TAI64 qw /unixtai64/; |
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+ |
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+ # copy of dhcpd.leases file to /tmp because working directly on the original |
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+ # is not a good idea |
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+ use File::Copy; |
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+ copy('/var/lib/dhcpd/dhcpd.leases', '/tmp/dhcpd.leases'); |
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+ |
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+ # now we parse the leases |
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+ $return = leaseparse('/tmp/dhcpd.leases'); |
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+ |
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+ # variable with local domain value (default is mycompamy.local) |
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+ my $localdomain = get_local_domainname; |
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+ |
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+ $OUT .= "# A records for dhcp hosts in $localdomain\n"; |
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+ |
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+ foreach (keys %$return) { |
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+ ($ip, $time, $mac, $name) = unpack("A17 A21 A19 A30", $return->{$_}); |
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+ |
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+ # when the dhcp lease is over $name is empty .. we want only non empty one |
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+ if ( $name ne "" ) { |
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+ # we skip also ips already allocated |
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+ unless (exists $allocated_ips{$ip}) |
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+ { |
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+ # Convert lease end time to the format expected as |
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+ # see: http://cr.yp.to/djbdns/tinydns-data.html |
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+ my $ts = UnixDate($time, "%s"); |
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+ my $endtai = unixtai64($ts); |
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+ $endtai =~ s/@//; |
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+ |
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+ # Determine TTL |
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+ my $ttl = ''; |
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+ $ttl = 0 unless ($ts <= time); |
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+ $OUT .= "=$name.$localdomain:$ip:$ttl:$endtai\n"; |
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+ } |
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+ $allocated_ips{$ip} = 1; |
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+ } |
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+ } |
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+ # remove the temp file |
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+ system "rm -f /tmp/dhcpd.leases"; |
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+} |
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diff -Nur e-smith-tinydns-2.4.0.old/root/var/service/dhcp-dns/dhcp-dns e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/dhcp-dns |
| 102 |
--- e-smith-tinydns-2.4.0.old/root/var/service/dhcp-dns/dhcp-dns 1970-01-01 01:00:00.000000000 +0100 |
| 103 |
+++ e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/dhcp-dns 2014-06-17 23:47:00.031650267 +0200 |
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@@ -0,0 +1,33 @@ |
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+#!/usr/bin/perl |
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+ |
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+my $lease_file = "/var/lib/dhcpd/dhcpd.leases"; |
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+ |
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+# last modified time |
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+my $modtime = 0; |
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+ |
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+# seconds to wait |
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+my $update_freq = 15; |
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+ |
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+########################################################################### |
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+# Main Loop |
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+while (1) { |
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+ |
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+ # check the file's last updated time, if it's been changed, update |
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+ # the DNS and save the modified time. This will ALWAYS run once - on |
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+ # startup, since $modtime starts at zero. |
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+ |
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+ my @stats = stat ($lease_file); |
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+ if ($stats[9] > $modtime) { |
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+ |
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+ $modtime = $stats[9]; |
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+ |
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+ system ("/usr/bin/sv 1 /service/tinydns"); |
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+ } |
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+ |
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+ # wait till next check time |
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+ sleep $update_freq; |
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+ |
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+} # end main |
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+########################################################################### |
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+ |
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+ |
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diff -Nur e-smith-tinydns-2.4.0.old/root/var/service/dhcp-dns/run e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/run |
| 139 |
--- e-smith-tinydns-2.4.0.old/root/var/service/dhcp-dns/run 1970-01-01 01:00:00.000000000 +0100 |
| 140 |
+++ e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/run 2014-06-17 23:47:00.032650394 +0200 |
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@@ -0,0 +1,4 @@ |
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+#!/bin/sh |
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+ |
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+exec 2>&1 |
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+exec /usr/bin/perl dhcp-dns |
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