packages-openshift.yaml

packages:
  # The packages below are required by OpenShift/OKD
  # but are not present in CentOS Stream and RHEL.
  - cri-o cri-tools conmon-rs
  - openshift-clients openshift-kubelet
  - openvswitch3.4
  # The packages below are present in CentOS Stream/RHEL,
  # and depend on one or more of the above.
  - NetworkManager-ovs
  - ose-aws-ecr-image-credential-provider
  - ose-azure-acr-image-credential-provider
  - ose-gcp-gcr-image-credential-provider

postprocess:
  # This is part of e.g. fedora-repos in Fedora; we now want to include it by default
  # so that the MCO can use it by default and not trip over SELinux issues trying
  # to create it.
  - |
    #!/usr/bin/bash
    set -euo pipefail
    mkdir -p /etc/yum.repos.d

    # If there *are* repos built-in (e.g. c9s), disable them.
    # We need to work in disconnected environments by default, and default-enabled
    # repos will be attempted to be fetched by rpm-ostree when doing node-local
    # kernel overrides today for e.g. kernel-rt.
    for x in $(find /etc/yum.repos.d/ -name '*.repo'); do
      sed -i -e s,enabled=1,enabled=0, $x
    done

  # These enable librhsm which enables host subscriptions to work in containers
  # https://github.com/rpm-software-management/librhsm/blob/fcd972cbe7c8a3907ba9f091cd082b1090231492/rhsm/rhsm-context.c#L30
  - |
    #!/usr/bin/bash
    set -euo pipefail
    ln -sr /run/secrets/etc-pki-entitlement /etc/pki/entitlement-host
    ln -sr /run/secrets/rhsm /etc/rhsm-host

  - |
    #!/usr/bin/env bash
    set -xeuo pipefail
    # manually modify SELinux booleans that are needed for OCP use cases
    semanage boolean --modify --on container_use_cephfs      # RHBZ#1694045
    semanage boolean --modify --on virt_use_samba            # RHBZ#1754825

  # https://gitlab.cee.redhat.com/coreos/redhat-coreos/merge_requests/812
  # https://bugzilla.redhat.com/show_bug.cgi?id=1796537
  - |
    #!/usr/bin/bash
    mkdir -p /usr/share/containers/oci/hooks.d

  - |
    #!/usr/bin/env bash
    set -xeo pipefail
    # Add the hugetlbfs group to the openvswitch user if the openvswitch-hugetlbfs.conf
    # sysusers fragment exists. The usermod used to happen in the RPM scriptlets but
    # that stopped working in the sysusers conversion. We should be able to drop this
    # when a bug gets fixed in systemd: https://github.com/openshift/os/issues/1274#issuecomment-1605507390
    if [ -f /usr/lib/sysusers.d/openvswitch-hugetlbfs.conf ]; then
        if [ -f /run/.containerenv ]; then
            # We're running as part of a derivation; `usermod` will not work
            # because it doesn't go through NSS. Hackily put the /usr/lib files
            # in /etc temporarily then put them back
            mv /etc/passwd /etc/passwd.bak
            mv /etc/group /etc/group.bak
            mv /usr/lib/passwd /etc/passwd
            mv /usr/lib/group /etc/group
        fi
        usermod -a -G hugetlbfs openvswitch
        if [ -f /run/.containerenv ]; then
            mv /etc/passwd /usr/lib/passwd
            mv /etc/group /usr/lib/group
            mv /etc/passwd.bak /etc/passwd
            mv /etc/group.bak /etc/group
        fi
    fi

  - |
    #!/usr/bin/env bash
    set -xeuo pipefail
    # crio should stop hardcoding things in their config file!
    # We are apparently somehow pulling in a conmon override in RHCOS
    # that contains /usr/libexec/crio/conmon - WHY?
    # sed -i '/conmon.*=/d' /etc/crio/crio.conf
    # Oh right but the MCO overrides that too so...
    mkdir -p /usr/libexec/crio
    ln -sr /usr/bin/conmon /usr/libexec/crio/conmon

  # Inject OpenShift-specific release fields
  - |
    #!/usr/bin/env bash
    set -xeuo pipefail
    cat >> /usr/lib/os-release <<EOF
    OPENSHIFT_VERSION="4.18"
    EOF

  - |
    #!/usr/bin/env bash
    set -xeuo pipefail
    # Let's have a non-boring motd, just like CL (although theirs is more subdued
    # nowadays compared to early versions with ASCII art).  One thing we do here
    # is add --- as a "separator"; the idea is that any "dynamic" information should
    # be below that.
    # See: https://projects.engineering.redhat.com/browse/COREOS-1029
    . /etc/os-release
    # This works around the fact that we can't currently access manifest
    # variables from postprocess scripts, though we just use the name, since
    # it's easier.
    variant=$(jq -r .rojig.name /usr/share/rpm-ostree/treefile.json)
    if [ $variant = "scos" ]; then
      colloquial_name=SCOS
      project_name=OKD
    else
      colloquial_name=RHCOS
      project_name=OpenShift
    fi
    cat > /etc/motd <<EOF
    $NAME CoreOS $OSTREE_VERSION
      Part of ${project_name} ${OPENSHIFT_VERSION}, ${colloquial_name} is a Kubernetes-native operating system
      managed by the Machine Config Operator (\`clusteroperator/machine-config\`).

    WARNING: Direct SSH access to machines is not recommended; instead,
    make configuration changes via \`machineconfig\` objects:
      https://docs.openshift.com/container-platform/${OPENSHIFT_VERSION}/architecture/architecture-rhcos.html

    ---
    EOF