#
# Copyright (C) 2021 Broadcom. All rights reserved. The term "Broadcom"
# refers solely to the Broadcom Inc. corporate affiliate that owns
# the software below. This work is licensed under the OpenAFC Project License,
# a copy of which is included with this software program
#

FROM ubuntu/prometheus:2.46.0-22.04_stable

# Database directory. May be mapped to something external for persistence.
# Evaluated in entrypoint.sh (i.e. not baked-in)
ENV PROMETHEUS_DATA=/prometheus/data

# Scrape interval. Must have unit suffix (e.g. 15s for 15 seconds, 1m for one
# minute, etc.) By default taken from prometheus.yml (5 seconds as of time of
# this writing)
# ENV PROMETHEUS_SCRAPE_INTERVAL

# Scrape timeout. Must be smaller than scrape interval. Must have unit suffix
# (e.g. 10s for 10 seconds, 1m for one minute, etc.) By default taken from
# prometheus.yml (2 seconds as of time of this writing)
# ENV PROMETHEUS_SCRAPE_TIMEOUT

# PERSISTING PROMETHEUS DATA
# Prometheus database is at /prometheus/data inside the container. It can be'
# persisted if mapped to some external directory

RUN apt update
RUN apt upgrade -y
RUN apt install -y curl

WORKDIR /prometheus

COPY prometheus.yml /prometheus/
COPY prometheus_entrypoint.sh /prometheus
RUN chmod +x /prometheus/prometheus_entrypoint.sh

EXPOSE 9090/TCP

ENTRYPOINT ["./prometheus_entrypoint.sh"]

HEALTHCHECK CMD curl --fail http://localhost:9090/-/healthy || exit 1