RouxAntoine 6dc15e681c
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feat: add prometheus exporter
2025-03-10 01:00:09 +01:00

49 lines
1.5 KiB
Docker

FROM alpine:3.21
ARG TARGETOS
ARG TARGETARCH
ARG TARGETPLATFORM
LABEL architecture="$TARGETPLATFORM" \
license="beerware" \
name="keepalived" \
summary="Alpine based keepalived container" \
mantainer="antoinroux@hotmail.fr"
RUN apk add --no-cache \
bash \
curl \
keepalived \
gettext \
&& addgroup -S keepalived_script \
&& adduser -S -s /sbin/nologin -G keepalived_script -H keepalived_script
ARG KEEPALIVED_EXPORTER_VERSION=1.4.0
RUN wget -O /usr/local/bin/keepalived-exporter.tar.gz https://github.com/mehdy/keepalived-exporter/releases/download/v${KEEPALIVED_EXPORTER_VERSION}/keepalived-exporter_${KEEPALIVED_EXPORTER_VERSION}_${TARGETOS}_${TARGETARCH}.tar.gz && \
tar -xvf /usr/local/bin/keepalived-exporter.tar.gz -C /usr/local/bin/ keepalived-exporter && \
rm -f /usr/local/bin/keepalived-exporter.tar.gz
ENV STATE=BACKUP
ENV INTERFACE=enp3s0
ENV PRIORITY=200
ENV PASSWORD=""
ENV SRC_IP=""
ENV PEER_IP_0=""
ENV PEER_IP_1=""
COPY --chmod=750 --chown=keepalived_script:keepalived_script check_apiserver.sh /usr/lib/keepalived/scripts/chk_kube_apiserver.sh
COPY keepalived.template.conf /etc/keepalived/keepalived.template.conf
COPY --chmod=750 init.sh /
ENTRYPOINT ["/init.sh"]
CMD ["/usr/sbin/keepalived", "--dont-fork", "--log-console"]
# Customise keepalived with:
# args: # override options in the Dockerfile
# - --vrrp
# - --log-detail
# - --dump-conf
# - --use-file=/etc/keepalived/keepalived.conf
# CMD ["--vrrp","--log-detail","--dump-conf"]