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setup()
{
setup_public_addresses
# shellcheck disable=SC2034
# Used in expected output
service_name="per_ip_routing"
setup_script_options <<EOF
CTDB_PER_IP_ROUTING_CONF="${CTDB_BASE}/policy_routing"
CTDB_PER_IP_ROUTING_RULE_PREF=100
CTDB_PER_IP_ROUTING_TABLE_ID_LOW=1000
CTDB_PER_IP_ROUTING_TABLE_ID_HIGH=2000
EOF
# Tests need to create and populate this file
rm -f "$CTDB_PER_IP_ROUTING_CONF"
}
# Create policy routing configuration in $CTDB_PER_IP_ROUTING_CONF.
# $1 is the number of assigned IPs to use (<num>, all), defaulting to
# 1. If $2 is "default" then a default route is also added.
create_policy_routing_config()
{
_num_ips="${1:-1}"
_should_add_default="$2"
ctdb_get_my_public_addresses |
if [ "$_num_ips" = "all" ]; then
cat
else
{
head -n "$_num_ips"
cat >/dev/null
}
fi |
while read -r _dev _ip _bits; do
_net=$(ipv4_host_addr_to_net "$_ip" "$_bits")
_gw="${_net%.*}.254" # a dumb, calculated default
echo "$_ip $_net"
if [ "$_should_add_default" = "default" ]; then
echo "$_ip 0.0.0.0/0 $_gw"
fi
done >"$CTDB_PER_IP_ROUTING_CONF"
}
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