Fedora CoreOS CT snippet and dockerfile to run open-vm-tools in a container for VMware guests

Dockerfile

FROM fedora:31

LABEL summary="The open-vm-tools guest agent" \
      io.k8s.description="The open-vm-tools agent is providing information about the virtual machine and allows to restart / shutdown the machine via VMware products. This image is intended to be used with virtual machines running Centos Atomic Host." \
      io.k8s.display-name="open-vm-tools guest agent" \
      architecture="x86_64" \
      BZComponent="open-vm-tools" \
      maintainer="davis phillips <dphillip@redhat.com>"

ENV SYSTEMD_IGNORE_CHROOT=1

RUN dnf -y --setopt=tsflags=nodocs --setopt=override_install_langs=en_US.utf8 --setopt=install_weak_deps=False install file open-vm-tools net-tools iproute systemd -x gcc && \ 
dnf clean all

COPY service.template config.json.template /exports/

LABEL RUN="docker run  --privileged -v /proc/:/hostproc/ -v /sys/fs/cgroup:/sys/fs/cgroup  -v /var/log:/var/log -v /run/systemd:/run/systemd -v /sysroot:/sysroot -v=/var/lib/sss/pipes/:/var/lib/sss/pipes/:rw -v /etc/passwd:/etc/passwd -v /etc/shadow:/etc/shadow -v /tmp:/tmp:rw -v /etc/sysconfig:/etc/sysconfig:rw -v /etc/resolv.conf:/etc/resolv.conf:rw -v /etc/nsswitch.conf:/etc/nsswitch.conf:rw -v /etc/hosts:/etc/hosts:rw -v /etc/hostname:/etc/hostname:rw -v /etc/localtime:/etc/localtime:rw -v /etc/adjtime:/etc/adjtime --env container=docker --net=host  --pid=host IMAGE"

CMD /usr/bin/vmtoolsd

fcct-snippet-vmtools.yml

%YAML 1.1
---
variant: fcos
version: 1.0.0
systemd:
  units:
    - name: vmtoolsd.service
      enabled: true
      contents: |
        [Unit]
        Description=Service for virtual machines hosted on VMware
        Documentation=http://github.com/vmware/open-vm-tools
        ConditionVirtualization=vmware
        Requires=network-online.target
        After=network-online.target

        [Service]
        Environment=CONTAINER=quay.io/dcode/open-vm-tools
        Environment=TAG=master
        ExecStartPre=-/usr/bin/podman rm -f %n
        ExecStartPre=-/usr/bin/rm -f %t/%p/%n-pid %t/%p/%n-cid
        ExecStart=/usr/bin/podman run --name %n\
          --conmon-pidfile %t/%p/%n-pid --cidfile %t/%p/%n-cid \
          --detach \
          -v /run/systemd:/run/systemd \
          -v /etc/adjtime:/etc/adjtime \
          -v /etc/hosts:/etc/hosts \
          -v /tmp:/tmp \
          -v /etc/sysconfig:/etc/sysconfig \
          -v /etc/resolv.conf:/etc/resolv.conf \
          -v /etc/shadow:/etc/shadow \
          -v /sys/fs/cgroup:/sys/fs/cgroup \
          -v /proc/:/hostproc \
          -v /sysroot:/sysroot \
          -v /etc/passwd:/etc/passwd \
          -v /usr/share/zoneinfo:/usr/share/zoneinfo \
          -v /var/lib/sss/pipes:/var/lib/sss/pipes \
          -v /etc/nsswitch.conf:/etc/nsswitch.conf \
          -v /etc/hostname:/etc/hostname:rw \
          -v /var/log:/var/log:rw \
          -v /:/host \
          -v /dev/rtc:/dev/rtc:rw \
          -v /proc:/proc \
          --pid=host \
          --net=host \
          --ipc=host \
          --uts=host \
          --privileged \
          --log-driver=journald \
          --log-opt=tag="{{ .Name }}" \
          "${CONTAINER}":"${TAG}"
        ExecStop=/usr/bin/sh -c "/usr/bin/podman rm -f $(cat %t/%p/%n-cid)"
        KillMode=none
        Type=forking
        RuntimeDirectory=%p
        PIDFile=%t/%p/%n-pid
        TimeoutStopSec=5
        TimeoutStartSec=300
        PrivateTmp=true

        [Install]
        WantedBy=multi-user.target

    - name: vmtoolsd-hostname.service
      enabled: true
      contents: |
        [Unit]
        Description=Set system hostname from vmware info
        Requires=vmtoolsd.service
        After=vmtoolsd.service
        ConditionVirtualization=vmware

        [Service]
        Type=oneshot
        RemainAfterExit=true
        Environment=ATTRIBUTES=/run/metadata/afterburn
        ExecStart=/bin/bash -c '/usr/bin/hostnamectl set-hostname $(/usr/bin/podman exec vmtoolsd.service /usr/bin/vmware-rpctool "info-get guestinfo.hostname")'
        ExecStart=/bin/bash -c 'echo -e "AFTERBURN_CUSTOM_HOSTNAME=$(cat /etc/hostname)" >> $${ATTRIBUTES}'

        [Install]
        WantedBy=multi-user.target
        WantedBy=metadata.target
...