diff options
author | Christian Hesse <mail@eworm.de> | 2023-03-21 20:59:15 +0100 |
---|---|---|
committer | Christian Hesse <mail@eworm.de> | 2023-03-22 21:53:32 +0100 |
commit | aac87098814e10d4ec36ba2a77a29c2018869774 (patch) | |
tree | c2a0b5cc65f83b41cbf0e8dc2f557eb000c62b74 | |
parent | 4a0f395fe127f82d35e0ac40af081a2391a36da5 (diff) |
dhcp-to-dns: always create A record with mac address...change-97
... and an optional CNAME with host name.
-rw-r--r-- | dhcp-to-dns.rsc | 23 | ||||
-rw-r--r-- | global-functions.rsc | 2 | ||||
-rw-r--r-- | news-and-changes.rsc | 3 |
3 files changed, 16 insertions, 12 deletions
diff --git a/dhcp-to-dns.rsc b/dhcp-to-dns.rsc index 59daef4..ee12697 100644 --- a/dhcp-to-dns.rsc +++ b/dhcp-to-dns.rsc @@ -38,7 +38,7 @@ $ScriptLock $0 false 10; } :local PlaceBefore ([ /ip/dns/static/find where (name=$CommentString or (comment=$CommentString and name=-)) type=NXDOMAIN disabled ]->0); -:foreach DnsRecord in=[ /ip/dns/static/find where comment~("^" . $CommentPrefix) ] do={ +:foreach DnsRecord in=[ /ip/dns/static/find where comment~("^" . $CommentPrefix) !(type=CNAME) ] do={ :local DnsRecordVal [ /ip/dns/static/get $DnsRecord ]; :local MacAddress [ $CharacterReplace ($DnsRecordVal->"comment") $CommentPrefix "" ]; :if ([ :len [ /ip/dhcp-server/lease/find where mac-address=$MacAddress address=($DnsRecordVal->"address") status=bound ] ] > 0) do={ @@ -47,6 +47,7 @@ $ScriptLock $0 false 10; :local Found false; $LogPrintExit2 info $0 ("Lease expired for " . $MacAddress . " (" . $DnsRecordVal->"name" . "), deleting DNS entry.") false; /ip/dns/static/remove $DnsRecord; + /ip/dns/static/remove [ find where type=CNAME cname=($DnsRecordVal->"name") comment=($DnsRecordVal->"comment") ]; } } @@ -60,12 +61,11 @@ $ScriptLock $0 false 10; :if ([ :len ($LeaseVal->"address") ] > 0) do={ :local Comment ($CommentPrefix . $LeaseVal->"mac-address"); - :local HostName [ $IfThenElse ([ :len ($LeaseVal->"host-name") ] = 0) \ - [ $CharacterReplace ($LeaseVal->"mac-address") ":" "-" ] \ - [ $CharacterReplace ($LeaseVal->"host-name") " " "" ] ]; + :local MacDash [ $CharacterReplace ($LeaseVal->"mac-address") ":" "-" ]; + :local HostName [ $CharacterReplace ($LeaseVal->"host-name") " " "" ]; :local Domain ([ $IfThenElse ($ServerNameInZone = true) ($LeaseVal->"server" . ".") ] . $Zone); - :local DnsRecord [ /ip/dns/static/find where name=($HostName . "." . $Domain) ]; + :local DnsRecord [ /ip/dns/static/find where name=($MacDash . "." . $Domain) ]; :if ([ :len $DnsRecord ] > 0) do={ :local DnsIp [ /ip/dns/static/get $DnsRecord address ]; @@ -82,14 +82,17 @@ $ScriptLock $0 false 10; } :if ($DnsIp = $LeaseVal->"address") do={ - $LogPrintExit2 debug $0 ("DNS entry for " . ($HostName . "." . $Domain) . " does not need updating.") false; + $LogPrintExit2 debug $0 ("DNS entry for " . ($MacDash . "." . $Domain) . " does not need updating.") false; } else={ - $LogPrintExit2 info $0 ("Replacing DNS entry for " . ($HostName . "." . $Domain) . ", new address is " . $LeaseVal->"address" . ".") false; - /ip/dns/static/set name=($HostName . "." . $Domain) address=($LeaseVal->"address") ttl=$Ttl comment=$Comment $DnsRecord; + $LogPrintExit2 info $0 ("Replacing DNS entry for " . ($MacDash . "." . $Domain) . ", new address is " . $LeaseVal->"address" . ".") false; + /ip/dns/static/set name=($MacDash . "." . $Domain) address=($LeaseVal->"address") ttl=$Ttl comment=$Comment $DnsRecord; } } else={ - $LogPrintExit2 info $0 ("Adding new DNS entry for " . ($HostName . "." . $Domain) . ", address is " . $LeaseVal->"address" . ".") false; - /ip/dns/static/add name=($HostName . "." . $Domain) address=($LeaseVal->"address") ttl=$Ttl comment=$Comment place-before=$PlaceBefore; + $LogPrintExit2 info $0 ("Adding new DNS entry for " . ($MacDash . "." . $Domain) . ", address is " . $LeaseVal->"address" . ".") false; + /ip/dns/static/add name=($MacDash . "." . $Domain) type=A address=($LeaseVal->"address") ttl=$Ttl comment=$Comment place-before=$PlaceBefore; + :if ([ :len $HostName ] > 0) do={ + /ip/dns/static/add name=($HostName . "." . $Domain) type=CNAME cname=($MacDash . "." . $Domain) ttl=$Ttl comment=$Comment place-before=$PlaceBefore; + } } } else={ $LogPrintExit2 debug $0 ("No address available... Ignoring.") false; diff --git a/global-functions.rsc b/global-functions.rsc index 512cf34..2249fe9 100644 --- a/global-functions.rsc +++ b/global-functions.rsc @@ -12,7 +12,7 @@ :local 0 "global-functions"; # expected configuration version -:global ExpectedConfigVersion 96; +:global ExpectedConfigVersion 97; # global variables not to be changed by user :global GlobalFunctionsReady false; diff --git a/news-and-changes.rsc b/news-and-changes.rsc index e809db2..d21ea6b 100644 --- a/news-and-changes.rsc +++ b/news-and-changes.rsc @@ -10,9 +10,10 @@ # Changes for global-config to be added to notification on script updates :global GlobalConfigChanges { 96="Added support for notes in 'netwatch-notify', these are included verbatim into the notification."; + 97="Modified 'dhcp-to-dns' to always add A records for names with mac address, and optionally add CNAME records if the host name is available."; }; # Migration steps to be applied on script updates :global GlobalConfigMigration { - 0; + 97=":local Rec [ /ip/dns/static/find where comment~\"^managed by dhcp-to-dns for \" ]; :if ([ :len \$Rec ] > 0) do={ /ip/dns/static/remove \$Rec; /system/script/run dhcp-to-dns; }"; }; |