Files
seaweedfs/weed
Chris LuandDevin 88b91cccba command: no extra localhost listener when -ip.bind is specified (#12055)
* util: add listenOnLocalhost parameter to NewIpAndLocalListeners

Nil keeps the current behavior of also binding localhost when the host
is a specific address; all callers pass nil for now.

* command: add -ip.bind.localhost flag to opt out of the extra localhost listener

Binding a command to a specific -ip.bind address also opened a second
listener on localhost for every port, with no way to turn it off. Each
command that calls NewIpAndLocalListeners (master, master.follower,
filer, s3, iam, volume, sftp, mq.broker, mq.agent) now accepts
-ip.bind.localhost=false to bind only the requested address. Embedded
services get prefixed flags (s3.ip.bind.localhost, sftp.ip.bind.localhost,
iam.ip.bind.localhost), and the command-level flag also disables them so
a single switch turns off every extra listener the command opens.

* mini: only require all-interface port availability while the loopback listener is on

With -ip.bind.localhost=false each service binds just -ip.bind, so a port
held on another address no longer collides; the all-interface precheck
would reject or relocate usable ports. WebDAV, the Admin UI, and the
Admin worker gRPC (which binds -admin.worker.ip, not -ip.bind) never open
a loopback companion listener, so their checks now use the address they
actually bind.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* mq.broker: bind the gRPC listener to -ip.bind instead of all interfaces

The listener used an empty host so -ip was ignored for binding and the
localhost companion was never created, leaving -ip.bind.localhost with
nothing to control. Give the broker the same -ip/-ip.bind pair the other
servers use; embedded mode binds to -ip.bind like its peers.

* server: add -sftp.ip.bind.localhost and -iam.ip.bind.localhost switches

weed filer already exposes the prefixed opt-outs for its embedded sftp
and iam; give weed server the same pair so each extra listener can be
disabled individually while -ip.bind.localhost=false still turns them
all off.

* mq.broker: keep the default all-interface bind unless localhost is off

An unset -ip.bind used to mean the standalone broker listened on every
interface; defaulting it to -ip silently cut off multi-homed clients. Only
fall back to -ip when -ip.bind.localhost=false, where a specific bind is
needed for the opt-out to take effect.

* mini: validate the Admin HTTP port on the address it will bind

The port check always used -ip.bind while startMiniAdminWithWorker falls
back to loopback when Admin has no credential, so a loopback-held port
passed validation and killed the admin at startup.

* mq.broker: keep the all-interface default bind when -ip.bind is unset

-ip only becomes the fallback once -ip.bind.localhost=false needs a
specific address for the listener.

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* mini: validate the Admin HTTP port on its effective bind IP

When the Admin listener falls back to loopback (no credential or mTLS
configured), the pre-flight port check now probes that same address
instead of -ip.bind.

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* util: keep NewIpAndLocalListeners source-compatible for 3-arg callers

* command: drop the -ip.bind.localhost flag; an explicit -ip.bind drops the extra listener

Instead of an opt-out flag, the loopback companion listener now simply
follows whether the bind address was chosen: it is created only while
-ip.bind is unset and the bind address falls back to -ip. Passing
-ip.bind=<addr> binds each port to exactly that address.

Each service options struct carries a listenOnLocalhost *bool that
embedders (weed server, weed mini, embedded s3/sftp/iam in weed filer)
set from the parent's -ip.bind state, captured before the bind flag is
repointed or filled in by the -ip fallback; standalone commands derive
it from their own flag before the fallback runs.

iam and mq.agent gain a real -ip.bind flag so they have a way to pin a
single address. mq.broker keeps its new -ip.bind flag but drops the
-ip.bind.localhost fallback hack: empty still listens on all interfaces.

* server: default embedded mq.agent brokers to the broker's bind address

With an explicit -ip.bind the embedded broker no longer listens on
localhost, so an unset -mq.agent.brokers defaulting to localhost:17777
could not reach it. Default to <serverBindIp>:<mq.broker.port> (the
address the embedded broker binds), falling back to localhost when the
bind address is a wildcard. An explicit -mq.agent.brokers still wins.

Also fix the NewIpAndLocalListeners skip message to say localhost.

* server: bind embedded mq.agent to serverBindIp

The embedded agent's ipBind was never set, so startQueueAgent fell back
to the advertised -ip address and an explicit -ip.bind did not pin the
agent listener.

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Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-10-25 06:52:16 -07:00
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