WIP: rework partitioning

Try to match the design in coreos/fedora-coreos-tracker#18

 - no lvm
 - separate /var

fedora-coreos-base.yaml

@@ -49,10 +49,19 @@ postprocess:
     echo '%sudo        ALL=(ALL)       NOPASSWD: ALL' > /etc/sudoers.d/coreos-sudo-group
     # We're not using resolved yet
     rm -f /usr/lib/systemd/system/systemd-resolved.service
+    # Growpart /var by default
+    cat > /usr/lib/systemd/system/coreos-growpart-var.service <<EOF
+    [Unit]
+    ConditionPathExists=/boot/coreos-growpart
+    [Service]
+    ExecStart=/usr/bin/growpart /dev/disk/by-partlabel/var
+    RemainAfterExit=yes
+    EOF
     cat >/usr/lib/systemd/system-preset/42-coreos.preset << EOF
     # Presets here that eventually should live in the generic fedora presets
     # This one is from https://github.com/dustymabe/ignition-dracut
     enable coreos-firstboot-complete.service
+    enable coreos-growpart-var.service
     EOF
     # 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
@@ -79,7 +88,7 @@ packages:
  - bridge-utils nfs-utils biosdevname iptables-services
  - NetworkManager dnsmasq hostname
  # Storage
- - container-storage-setup cloud-utils-growpart
+ - cloud-utils-growpart
  - lvm2 iscsi-initiator-utils sg3_utils
  - device-mapper-multipath
  - xfsprogs e2fsprogs mdadm

image.ks

@@ -17,17 +17,17 @@ firewall --disabled
 network --bootproto=dhcp --onboot=on
 
 zerombr
-clearpart --initlabel --all
+clearpart --initlabel --all --disklabel gpt
 # Add the following to kernel boot args:
 #  - ip=dhcp           # how to get network
 #  - rd.neednet=1      # tell dracut we need network
 #  - $coreos_firstboot # This is actually a GRUB variable
 bootloader --timeout=1 --append="no_timer_check console=ttyS0,115200n8 console=tty0 net.ifnames=0 biosdevname=0 ip=dhcp rd.neednet=1 rw $coreos_firstboot"
 
+# https://github.com/coreos/fedora-coreos-tracker/issues/18
 part /boot --size=300 --fstype="xfs" --label=boot
-part pv.01 --grow
-volgroup coreos pv.01
-logvol / --size=3000 --fstype="xfs" --name=root --vgname=coreos --label=root
+part / --size=3000 --fstype="xfs" --label=root
+part /var --size=3000 --fstype="xfs" --label=var --grow
 
 reboot
 
@@ -36,11 +36,9 @@ reboot
 # https://github.com/dustymabe/ignition-dracut/pull/12
 touch /boot/coreos-firstboot
 
-# Configure docker-storage-setup to resize the partition table on boot
-# https://github.com/projectatomic/docker-storage-setup/pull/25
-echo 'GROWPART=true' >> /etc/sysconfig/docker-storage-setup
-# https://pagure.io/atomic-wg/issue/343
-echo 'ROOT_SIZE=+100%FREE' >> /etc/sysconfig/docker-storage-setup
+# See https://github.com/projectatomic/container-storage-setup/pull/25
+# Basically, we only want to growpart on *virtual* disk images.
+touch /boot/coreos-growpart
 
 # Remove any persistent NIC rules generated by udev
 rm -vf /etc/udev/rules.d/*persistent-net*.rules