net/dns/recursive: remove recursive DNS resolver

It doesn't really pull its weight: it adds 577 KB to the binary and
is rarely useful.

Also, we now have static IPs and other connectivity paths coming
soon enough.

Updates #5853
Updates #1278
Updates tailscale/corp#32168

Change-Id: If336fed00a9c9ae9745419e6d81f7de6da6f7275
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-09-16 20:32:28 -07:00
committed by Brad Fitzpatrick
parent 73c371f784
commit 55d0e6d3a8
8 changed files with 15 additions and 1542 deletions
+3 -5
View File
@@ -149,7 +149,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
L github.com/mdlayher/netlink/nltest from github.com/google/nftables
L github.com/mdlayher/sdnotify from tailscale.com/util/systemd
L 💣 github.com/mdlayher/socket from github.com/mdlayher/netlink+
github.com/miekg/dns from tailscale.com/net/dns/recursive
💣 github.com/mitchellh/go-ps from tailscale.com/safesocket
L github.com/pierrec/lz4/v4 from github.com/u-root/uio/uio
L github.com/pierrec/lz4/v4/internal/lz4block from github.com/pierrec/lz4/v4+
@@ -321,7 +320,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
tailscale.com/net/connstats from tailscale.com/net/tstun+
tailscale.com/net/dns from tailscale.com/cmd/tailscaled+
tailscale.com/net/dns/publicdns from tailscale.com/net/dns+
tailscale.com/net/dns/recursive from tailscale.com/net/dnsfallback
tailscale.com/net/dns/resolvconffile from tailscale.com/net/dns+
tailscale.com/net/dns/resolver from tailscale.com/net/dns+
tailscale.com/net/dnscache from tailscale.com/control/controlclient+
@@ -433,7 +431,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
tailscale.com/util/ringlog from tailscale.com/wgengine/magicsock
tailscale.com/util/set from tailscale.com/derp+
tailscale.com/util/singleflight from tailscale.com/control/controlclient+
tailscale.com/util/slicesx from tailscale.com/net/dns/recursive+
tailscale.com/util/slicesx from tailscale.com/appc+
tailscale.com/util/syspolicy from tailscale.com/feature/syspolicy
tailscale.com/util/syspolicy/internal from tailscale.com/util/syspolicy/setting+
tailscale.com/util/syspolicy/internal/loggerx from tailscale.com/util/syspolicy/internal/metrics+
@@ -504,8 +502,8 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
golang.org/x/net/internal/iana from golang.org/x/net/icmp+
golang.org/x/net/internal/socket from golang.org/x/net/icmp+
golang.org/x/net/internal/socks from golang.org/x/net/proxy
golang.org/x/net/ipv4 from github.com/miekg/dns+
golang.org/x/net/ipv6 from github.com/miekg/dns+
golang.org/x/net/ipv4 from github.com/prometheus-community/pro-bing+
golang.org/x/net/ipv6 from github.com/prometheus-community/pro-bing+
golang.org/x/net/proxy from tailscale.com/net/netns
D golang.org/x/net/route from tailscale.com/net/netmon+
golang.org/x/sync/errgroup from github.com/mdlayher/socket+