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added better rootdb handling

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This commit is contained in:
ElevenNotes
2023-09-19 10:14:16 +02:00
parent c5d789a5ab
commit efd1de1f5e
3 changed files with 14 additions and 4 deletions
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3
README.md
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@@ -13,7 +13,7 @@ docker run --name bind \
-d 11notes/bind:[tag] -d 11notes/bind:[tag]
``` ```
Update root db (will also update at container start) Update root db (will update on start if does not exist)
```shell ```shell
docker exec bind rootdb docker exec bind rootdb
``` ```
@@ -35,4 +35,3 @@ docker exec bind rootdb
## Tips ## Tips
* Don't bind to ports < 1024 (requires root), use NAT/reverse proxy * Don't bind to ports < 1024 (requires root), use NAT/reverse proxy
* [Permanent Storage](https://github.com/11notes/alpine-docker-netshare) - Module to store permanent container data via NFS/CIFS and more

5
rootfs/usr/local/bin/entrypoint.sh
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@@ -1,5 +1,10 @@
#!/bin/ash #!/bin/ash
if [ -z "${1}" ]; then if [ -z "${1}" ]; then
if [ ! -f "/bind/var/root.db" ]; then
rootdb
fi
set -- "named" \ set -- "named" \
-fg \ -fg \
-c "/bind/etc/named.conf" \ -c "/bind/etc/named.conf" \

8
rootfs/usr/local/bin/rootdb
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@@ -1,2 +1,8 @@
#!/bin/ash #!/bin/ash
dig +bufsize=1200 +norec NS . @a.root-servers.net | egrep -v ';|^$' | egrep -v '\S.+AAAA.+|^$' | sort > /bind/var/root.db if [ ! -f "/bind/var/root.db" ]; then
ROOT_DB_NS=198.41.0.4
else
ROOT_DB_NS=a.root-servers.net
fi
dig +bufsize=1200 +norec NS . @${ROOT_DB_NS} | egrep -v ';|^$' | egrep -v '\S.+AAAA.+|^$' | sort > /bind/var/root.db