ceph-opennebula-playbooks/network.sh

#!/bin/bash

set -e -x -a

# Run once
if [ -z "$eth10g" -o -z "$eth1g" ]; then

### Check host variables
if [ -z "$play_host" -o -z "$node_name" -o -z "$int_ip" ]; then
    echo "play_host/node_name/int_ip not specified"
    exit 1
fi

### Find 1G and 10G network interfaces (10G is used for keepalived and galera)
eth10g=
eth1g=
export $(ssh root@$play_host '
    for i in /sys/class/net/*; do
        ip link set ${i##/sys/class/net/} up
        if [ x`cat /sys/class/net/enp4s0/carrier 2>/dev/null` == "x1" ]; then
            if [ x`cat $i/speed 2>/dev/null` == "x10000" ]; then
                echo eth10g=${i##/sys/class/net/}
            elif [ x`cat $i/speed 2>/dev/null` == "x1000" ]; then
                echo eth1g=${i##/sys/class/net/}
            fi
        fi
    done')

if [ -z "$eth10g" ]; then
    echo "10GbE network not found on $play_host"
    exit 1
fi

### Configure network
envsubst < ./etc/rc.local.env | ssh root@$play_host 'cat > /etc/rc.local'
envsubst < ./etc/network/interfaces.env | ssh root@$play_host 'cat > /etc/network/interfaces.new'
ssh root@$play_host <<EOF
set -e -x

DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confdef" \
    -o Dpkg::Options::="--force-confold" install -y \
    bridge-utils resolvconf

chmod 755 /etc/rc.local
/etc/rc.local
systemctl enable rc-local
if ! cmp -s /etc/network/interfaces /etc/network/interfaces.new; then
    nmcli dev disconnect $eth1g || true
    mv /etc/network/interfaces.new /etc/network/interfaces
    ifup br0
    service networking restart
fi
EOF

# -z eth10g / eth1g
fi