octavia/elements/amphora-agent/install.d/amphora-agent-source-install/75-amphora-agent-install
Michael Johnson 0d9674bd87 Add the PROMETHEUS protocol to listeners
This patch adds a new protocol for listeners called "PROMETHEUS" that exposes
a Prometheus endpoint. This allows detailed metrics collection from Octavia
load balancers.

Change-Id: I3e27e4e57ad955bcd7728426c91f05171a46ef7f
2022-02-22 01:57:53 +00:00

61 lines
2.1 KiB
Bash
Executable File

#!/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
/usr/bin/python3 -m venv $AMP_VENV
$AMP_VENV/bin/pip install pip --upgrade
$AMP_VENV/bin/pip install -U -c /opt/upper-constraints.txt /opt/amphora-agent
# Let's capture the git reference we installed in the venv
git --git-dir=/opt/amphora-agent/.git rev-parse HEAD >> /opt/amphora-agent.gitref
# 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
# Link health checker script
ln -s $AMP_VENV/bin/amphora-health-checker /usr/local/bin/amphora-health-checker || true
# Link amphora interface script
ln -s $AMP_VENV/bin/amphora-interface /usr/local/bin/amphora-interface || true
# Link the prometheus proxy
ln -s $AMP_VENV/bin/prometheus-proxy /usr/local/bin/prometheus-proxy || 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
install -D -g root -o root -m 0644 ${SCRIPTDIR}/prometheus-proxy.conf /etc/init/prometheus-proxy.conf
;;
systemd)
install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.service /usr/lib/systemd/system/amphora-agent.service
install -D -g root -o root -m 0644 ${SCRIPTDIR}/prometheus-proxy.service /usr/lib/systemd/system/prometheus-proxy.service
;;
sysv)
install -D -g root -o root -m 0644 ${SCRIPTDIR}/amphora-agent.init /etc/init.d/amphora-agent.init
install -D -g root -o root -m 0644 ${SCRIPTDIR}/prometheus-proxy.init /etc/init.d/prometheus-proxy.init
;;
*)
echo "Unsupported init system"
exit 1
;;
esac