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samba-mirror/ctdb/config/events/legacy/11.routing.script
Martin Schwenke 80cbebce71 ctdb-scripts: Silence shellcheck warning SC2166
This covers the following:

  SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
  SC2166: Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.

POSIX agrees that -a and -o should not be used:

  https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html

Fixing these doesn't cause much churn.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2019-09-17 04:35:27 +00:00

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#!/bin/sh
# Attempt to add a set of static routes.
#
# Do this in "ipreallocated" rather than just "startup" because some
# of the routes might be missing because the corresponding interface
# has not previously had any IPs assigned or IPs were previously
# released and corresponding routes were dropped.
#
# Addition of some routes might fail, errors go to /dev/null.
#
# Routes to add are defined in $CTDB_BASE/static-routes. Syntax is:
#
# IFACE NET/MASK GATEWAY
#
# Example:
#
# bond1 10.3.3.0/24 10.0.0.1
[ -n "$CTDB_BASE" ] || \
CTDB_BASE=$(d=$(dirname "$0") ; cd -P "$d" ; dirname "$PWD")
. "${CTDB_BASE}/functions"
load_script_options
[ -f "${CTDB_BASE}/static-routes" ] || {
exit 0
}
case "$1" in
ipreallocated)
while read iface dest gw; do
ip route add "$dest" via "$gw" dev "$iface" >/dev/null 2>&1
done <"${CTDB_BASE}/static-routes"
;;
updateip)
oiface=$2
niface=$3
while read iface dest gw; do
if [ "$niface" = "$iface" ] || [ "$oiface" = "$iface" ] ; then
ip route add "$dest" via "$gw" dev "$iface" >/dev/null 2>&1
fi
done <"${CTDB_BASE}/static-routes"
;;
esac
exit 0