docker-start.j2

#!/bin/bash

set -e

log() {
    echo -e "[$(date +%Y-%m-%d-%H:%M:%S)][frr] $*" >&2
}

source /etc/frr/env.sh

log "env"
env

log "echo \$PATH"
echo $PATH

    log "configs for peering with metallb speaker container on same host"
    /sbin/ip netns add $NAMESPACE_METALLB || true
    /sbin/ip link add veth-a type veth peer name veth-b || true
    /sbin/ip link set veth-a netns $NAMESPACE_METALLB || true
    /sbin/ip netns exec $NAMESPACE_METALLB /sbin/ip a a $PEER_IP_LOCAL/$PEER_IP_PREFIX dev veth-a || true
    /sbin/ip a a $PEER_IP_REMOTE/$PEER_IP_PREFIX dev veth-b || true
    /sbin/ip link set veth-b up || true
    /sbin/ip link set veth-b mtu $INTERFACE_MTU || true
    /sbin/ip netns exec $NAMESPACE_METALLB /sbin/ip link set veth-a up || true
    /sbin/ip netns exec $NAMESPACE_METALLB /sbin/ip link set veth-a mtu $INTERFACE_MTU || true

# generate ports list
lshw -class network -json |jq '{"ports": [ .[] |select(has("businfo")) |select(.businfo|test("^pci.")) | .logicalname ]}'   > /ports.json
log "cat /ports.json"
cat /ports.json

##generate frr.conf
log 'j2 -e "" -o /etc/frr/frr.conf /etc/frr/frr.conf.j2 /ports.json'
j2 -e "" -o /etc/frr/frr.conf /etc/frr/frr.conf.j2 /ports.json
log "cat /etc/frr/frr.conf"
cat /etc/frr/frr.conf

## create vtysh.conf
[ -r /etc/frr/vtysh.conf ] || touch /etc/frr/vtysh.conf

chown -R frr:frr /etc/frr || true

#enable syslogd based logging
log "syslogd -n -O - &"
syslogd -n -O - &

log "starting frr..."
/usr/lib/frr/frrinit.sh start

##enable lldp
log "mkdir -p /run/lldpd ||true"
mkdir -p /run/lldpd ||true

log "lldpd -I eth*"
lldpd -I eth*

log "ps -ef"
ps -ef

count=0
while true
do

[ $count -lt 5 ] && log "-----------Start of this run in loop------------"


sleep_time=60

if [ $count -lt 5 ];then
    log "vtysh -c 'show bgp vrf all summary'"
    vtysh -c "show bgp vrf all summary wide" || true

    log "vtysh -c 'show ip route'"
    vtysh -c "show ip route" || true
fi

if [ $count -lt 5 ];then
    log "sleep for $sleep_time seconds..."
    log "-----------End of this run in loop------------"
    count=$(( count + 1 ))
fi

sleep $sleep_time
done

# Sleep forever
# log "sleep forever"
# exec tail -f /dev/null