Remove /etc/network/if-up.d/openssh-server

It causes more problems than it solves.

Add an "if-up hook removed" section to README.Debian documenting the
corner case that may need configuration adjustments.

Thanks, Christian Ehrhardt, Andreas Hasenack, and David Britton.

Closes: #789532
LP: #1037738, #1674330, #1718227

1 files changed, 0 insertions, 42 deletions

diff --git a/debian/openssh-server.if-up b/debian/openssh-server.if-up
deleted file mode 100644
index 525c2153b..000000000
--- a/debian/openssh-server.if-up
+++ /dev/null
@@ -1,42 +0,0 @@
-#! /bin/sh
-# Reload the OpenSSH server when an interface comes up, to allow it to start
-# listening on new addresses.
-
-set -e
-
-# Don't bother to restart sshd when lo is configured.
-if [ "$IFACE" = lo ]; then
-        exit 0
-fi
-
-# Only run from ifup.
-if [ "$MODE" != start ]; then
-        exit 0
-fi
-
-# OpenSSH only cares about inet and inet6. Get ye gone, strange people
-# still using ipx.
-if [ "$ADDRFAM" != inet ] && [ "$ADDRFAM" != inet6 ]; then
-        exit 0
-fi
-
-# Is /usr mounted?
-if [ ! -e /usr/sbin/sshd ]; then
-        exit 0
-fi
-
-if [ ! -f /run/sshd.pid ] || \
-   [ "$(ps -p "$(cat /run/sshd.pid)" -o comm=)" != sshd ]; then
-        exit 0
-fi
-
-# We'd like to use 'reload' here, but it has some problems; see #502444.  On
-# the other hand, repeated restarts of ssh make systemd unhappy
-# (#756547/#757822), so use reload in that case.
-if [ -d /run/systemd/system ]; then
-        systemctl reload --no-block ssh.service >/dev/null 2>&1 || true
-else
-        invoke-rc.d ssh restart >/dev/null 2>&1 || true
-fi
-
-exit 0