#!/bin/bash

if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

SCRIPTDIR=$(dirname $0)
AMP_VENV=/opt/amphora-agent-venv

# Create a virtual environment to contain the amphora agent
${DIB_PYTHON} -m virtualenv $AMP_VENV

$AMP_VENV/bin/pip install pip --upgrade

$AMP_VENV/bin/pip install -U -c /opt/upper-constraints.txt /opt/amphora-agent

# Workaround https://github.com/svinota/pyroute2/issues/724
# TODO(johnsom) Remove once a that is resolved and 0.5.13 has been blocked in
# global requirements.
$AMP_VENV/bin/pip uninstall -y pyroute2
$AMP_VENV/bin/pip install pyroute2==0.5.12

# Link the amphora-agent out to /usr/local/bin where the startup scripts look
ln -s $AMP_VENV/bin/amphora-agent /usr/local/bin/amphora-agent || true

# Also link out the vrrp check script(s) so they're in PATH for keepalived
ln -s $AMP_VENV/bin/haproxy-vrrp-* /usr/local/bin/ || true

mkdir /etc/octavia
# we assume certs, etc will come in through the config drive
mkdir /etc/octavia/certs
mkdir -p /var/lib/octavia

install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.logrotate /etc/logrotate.d/amphora-agent

case "$DIB_INIT_SYSTEM" in
    upstart)
        install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.conf /etc/init/amphora-agent.conf
        ;;
    systemd)
        install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.service /usr/lib/systemd/system/amphora-agent.service
        ;;
    sysv)
        install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.init /etc/init.d/amphora-agent.init
        ;;
    *)
        echo "Unsupported init system"
        exit 1
        ;;
esac