# Automated nmcli/NetworkManager config script for 7 NIC server

hsb_nmcli_setup.sh

#!/bin/sh
#
#
# Automated nmcli/NetworkManager config script for 7 NIC server
#     1 NIC for dedicated management is ignored by this script
#     6 NICs configured in 3 active backup teams
#     Ethtool link watchers only
#

# Set this to the NetworkManager connection name of the management
# interface which you do not want to be touched.
#
# Use something like this to setup your dedicated management nic
# outside this script
# nmcli conn add type ethernet con-name man ifname ens1 ip4 10.1.1.101/24 gw4 10.1.1.1
IGNORED_MGMT_CONN_NAME="man"

# List of team names
TEAMS="ccom stor traf"

# Map of member ports to <teamname>_MEMBERS variables
# The first listed port for each will become the preferred
# port for that team
ccom_MEMBERS="enp2s0f0 enp9s0f0"
stor_MEMBERS="enp2s0f1 enp10s0f1"
traf_MEMBERS="enp9s0f1 enp10s0f0"

# IP address option to nmcli add team command
ccom_IPOPTS="ip4 172.17.1.2/24"
stor_IPOPTS="ip4 172.17.2.2/24"
traf_IPOPTS="ip4 172.17.3.20/24 gw4 172.17.3.1"

# Template of team config. arp_ping watchers can be added to traf
# team later when gateway or futher upstream IPs are known.
# The ccom and stor team are direct wired from host to host for
# a single hot standby pair of servers so there is no need to use
# arp_ping anyway
TEAM_TEMPLATE='
{
    \"device\": \"$team\",
    \"runner\": { \"name\": \"activebackup\" },
\"link_watch\": { \"name\": \"ethtool\" },
     \"ports\": { \"${team}-member-1\": { \"prio\": 100 },
                \"${team}-member-2\": { \"prio\": 95  }}
}'


#delete all exisitng conns
#nmcli -f NAME -t conn | xargs -d\\n nmcli conn delete
for x in $(nmcli -f NAME -t conn ) ; do
   if [ "$x"x != "$IGNORED_MGMT_CONN_NAME"x ] ; then
       sleep 1 # going to fast causes bogus errors sometimes
       echo "Delete $x"
       nmcli conn delete $x
   fi
done


# create management nic link
#nmcli conn add type ethernet con-name man ifname ens1 ip4 10.1.1.101/24 gw4 10.1.1.1

for team in $TEAMS; do

   #add team device
   config=$(eval echo $TEAM_TEMPLATE)
   eval ipopts=\$${team}_IPOPTS
   nmcli conn add type team con-name $team ifname $team config "$config" $ipopts

   #add member ports to the team
   eval members=\$${team}_MEMBERS
   x=0
   for member in $members ; do
      x=$((x+1))
      nmcli conn add type team-slave ifname $member con-name ${team}-member-$x master $team
   done

done