[DNM][DRAFT] Agent-based Installer test for OKD/FCOS

data/data/bootstrap/files/usr/local/bin/bootstrap-pivot.sh.template

@@ -1,6 +1,7 @@
 {{if .IsOKD -}}
 #!/usr/bin/env bash
 set -euo pipefail
+set -x
 
 # Exit early if pivot is attempted on SCOS Live ISO
 {{if .IsSCOS -}}
@@ -42,25 +43,20 @@ if [ ! -f /opt/openshift/.pivot-done ]; then
   record_service_stage_start "rebase-to-okd-os-image"
 {{if .IsFCOS -}}
   mnt="$(podman image mount "${MACHINE_OS_IMAGE}")"
-{{- if .BootstrapInPlace }}
-  # SNO setup boots into Live ISO which cannot be rebased
-  # https://github.com/coreos/rpm-ostree/issues/4547
+  podman volume create machine-os-image
+  machine_os_image=$(podman volume inspect machine-os-image --format '{{`{{ .Mountpoint }}`}}')
+  rsync -aHAXx "$mnt/" "$machine_os_image/"
+
   mkdir /var/mnt/{upper,worker}
-  mount -t overlay overlay -o "lowerdir=/usr:$mnt/usr" /usr
-  mount -t overlay overlay -o "lowerdir=/etc:$mnt/etc,upperdir=/var/mnt/upper,workdir=/var/mnt/worker" /etc
+  mount -t overlay overlay -o "lowerdir=/usr:$machine_os_image/usr" /usr
+  rsync -rlt --ignore-existing "$machine_os_image/etc/" /etc/
   systemctl daemon-reload
 
   # Workaround for SELinux denials when launching crio.service from overlayfs
   setenforce Permissive
 
   systemctl start crio.service
   # No reboot necessary because SNO setup will reboot system
-{{ else }}
-  pushd "${mnt}/bootstrap"
-    # shellcheck disable=SC1091
-    . ./pre-pivot.sh
-  popd
-{{ end -}}
 {{else if .IsSCOS -}}
   chmod 0644 /etc/containers/registries.conf
   rpm-ostree rebase --experimental "ostree-unverified-registry:${MACHINE_OS_IMAGE}"

data/data/bootstrap/systemd/units/release-image-pivot.service.template

@@ -3,11 +3,7 @@
 Description=Pivot bootstrap to the OpenShift Release Image
 Wants=release-image.service
 After=release-image.service
-{{- if .BootstrapInPlace }}
 Before=bootkube.service kubelet.service
-{{ else }}
-Before=bootkube.service
-{{ end -}}
 
 [Service]
 Type=oneshot