# Note: this file *mostly* just builds on Dockerfile.compute-node

ARG SRC_IMAGE
ARG VM_INFORMANT_VERSION=v0.1.6

# Pull VM informant and set up inittab
FROM neondatabase/vm-informant:$VM_INFORMANT_VERSION as informant

RUN set -e \
	&& rm -f /etc/inittab \
	&& touch /etc/inittab

RUN set -e \
	&& echo "::sysinit:cgconfigparser -l /etc/cgconfig.conf -s 1664" >> /etc/inittab \
	&& echo "::respawn:su vm-informant -c '/usr/local/bin/vm-informant --auto-restart --cgroup=neon-postgres'" >> /etc/inittab

# Combine, starting from non-VM compute node image.
FROM $SRC_IMAGE as base

# Temporarily set user back to root so we can run apt update and adduser
USER root
RUN apt update && \
	apt install --no-install-recommends -y \
        cgroup-tools
RUN adduser vm-informant --disabled-password --no-create-home
USER postgres

ADD vm-cgconfig.conf /etc/cgconfig.conf
COPY --from=informant /etc/inittab /etc/inittab
COPY --from=informant /usr/bin/vm-informant /usr/local/bin/vm-informant

ENTRYPOINT ["/usr/sbin/cgexec", "-g", "*:neon-postgres", "/usr/local/bin/compute_ctl"]