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feat: the right width for records will now be auto calculated

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silver 2024-07-17 00:47:45 +01:00
parent 15e534c222
commit 1a07781c4d
Signed by: silver
GPG key ID: 54E2C71918E93B74
1 changed files with 19 additions and 8 deletions
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27
applications/dns/dns.nix
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@ -30,7 +30,18 @@
sort_records_ptr = builtins.sort (a: b: (lib.strings.toInt a.record) < (lib.strings.toInt b.record)) (process_ptr (filter_records_type "PTR"));
sort_records_srv = builtins.sort (a: b: a.record < b.record) (filter_records_type "SRV");
format_records = records: offset: lib.strings.concatMapStrings (x: "${padString x.record offset} IN ${padString x.r_type 5} ${x.value}\n") records;
max = x: y:
assert builtins.isInt x;
assert builtins.isInt y;
if x < y
then y
else x;
max_len = records: lib.lists.foldr (a: b: (max a b)) 0 (lib.lists.forEach records (record: lib.strings.stringLength record.record));
format_records = records: let
offset = (max_len records) + 1;
in
lib.strings.concatMapStrings (x: "${padString x.record offset} IN ${padString x.r_type 5} ${x.value}\n") records;
# small function to trim it down a tad
padString = text: length: fixedWidthString_post length " " text;
@ -72,32 +83,32 @@
; ------------------------------------------
; Server Names (A Records)
; ------------------------------------------
${format_records sort_records_server 31}
${format_records sort_records_server}
; ------------------------------------------
; A (non server names
; ------------------------------------------
${format_records sort_records_a 31}
${format_records sort_records_a}
; ------------------------------------------
; CNAMES
; ------------------------------------------
${format_records sort_records_cname 31}
${format_records sort_records_cname}
; ------------------------------------------
; TXT
; ------------------------------------------
${format_records (filter_records_type "TXT") 31}
${format_records (filter_records_type "TXT")}
; ------------------------------------------
; MX
; ------------------------------------------
${format_records (filter_records_type "MX") 31}
${format_records (filter_records_type "MX")}
; ------------------------------------------
; SRV
; ------------------------------------------
${format_records sort_records_srv 65}
${format_records sort_records_srv}
''
@ -125,7 +136,7 @@
; ------------------------------------------
; PTR
; ------------------------------------------
${format_records sort_records_ptr 3}
${format_records sort_records_ptr}
''
);