X-Git-Url: https://iankelling.org/git/?p=automated-distro-installer;a=blobdiff_plain;f=fai%2Fconfig%2Fhooks%2Fpartition.DEFAULT;h=ccaca6efe02ad34a5eb94a79ce68e1602969aedc;hp=ab436bdad797d35b60e0339237b731a164fbd09e;hb=78a1427fc167ccee73d448054a9c40c19d737ed3;hpb=19fcc3931853969ed5aa97897795557d324cae39

diff --git a/fai/config/hooks/partition.DEFAULT b/fai/config/hooks/partition.DEFAULT
index ab436bd..ccaca6e 100755
--- a/fai/config/hooks/partition.DEFAULT
+++ b/fai/config/hooks/partition.DEFAULT
@@ -93,10 +93,7 @@ grub_extn=4
 # https://wiki.archlinux.org/index.php/GRUB
 bios_grubn=5
 lastn=$bios_grubn
-# this is larger than needed for several /boot subvols,
-# becuase I keep a minimal debian install on it, for
-# recovery needs, and for doing pxe-kexec.
-boot_mib=10000
+
 
 
 ##### end configuration
@@ -212,7 +209,7 @@ if [[ ! ${devs[0]} ]]; then
   exit 1
 fi
 
-
+boot_space=0
 first=false
 boot_devs=()
 for dev in ${devs[@]}; do
@@ -242,6 +239,8 @@ for dev in ${devs[@]}; do
     done
     $bad_disk || boot_devs+=($(bootdev))
   else
+    boot_space=$(( boot_space + $(parted -m $dev unit MiB print | \
+                                    sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
     boot_devs+=($(bootdev))
   fi
   if [[ $boot_devs && $first ]]; then
@@ -256,11 +255,32 @@ elif ifclass RAID1 || (( ${#boot_devs[@]} <= 3 )); then
   raid_level=1
 else
   raid_level=10
-  # need double the space if we are raid 10, and then
-  # might as well give some extra.
-  boot_mib=$((boot_mib * 3))
 fi
 
+### Begin calculate boot partition space
+# due to raid duplication
+case $raid_level in
+  1*) boot_space=$(( boot_space / 2 )) ;;
+esac
+if (( boot_space > 60000 )); then
+  # this is larger than needed for several /boot subvols,
+  # becuase I keep a minimal debian install on it for
+  # recovery needs and for doing pxe-kexec.
+  boot_mib=10000
+elif (( boot_space > 30000 )); then
+  boot_mib=$(( 5000 + (boot_space - 30000) / 2 ))
+else
+  # Small vms don't have room for /boot recovery.  With 3 kernels
+  # installed, i'm using 132M on t8, so this seems like plenty of
+  # room. note: rhel 8 recomments 1g for /boot.
+  boot_mib=500
+  #
+fi
+case $raid_level in
+  1*) boot_mib=$(( boot_mib * 2 )) ;;
+esac
+### end calculate boot partition space
+
 
 
 if [[ ! $DISTRO ]]; then
@@ -541,8 +561,8 @@ else
   # note, fai creates the mountpoints listed here
   cat > /tmp/fai/fstab <<EOF
 $first_root_crypt  /  btrfs  noatime,subvol=root_$DISTRO  0 0
-$first_root_crypt  /mnt/root  btrfs  noatime,subvolid=0  0 0
-$first_boot_dev  /boot  btrfs  noatime,subvol=$boot_vol  0 0
+$first_root_crypt  /mnt/root  btrfs  nofail,noatime,subvolid=0  0 0
+$first_boot_dev  /boot  btrfs  nofail,noatime,subvol=$boot_vol  0 0
 EOF
   swaps=()
   for dev in ${devs[@]}; do
@@ -552,7 +572,7 @@ $(root-cryptname)  $(rootdev)  none  keyscript=decrypt_keyctl,discard,luks,initr
 $(swap-cryptname) $(swapdev)  /dev/urandom  swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
 EOF
     cat >> /tmp/fai/fstab <<EOF
-$(swap-cryptdev)  none  swap  sw  0 0
+$(swap-cryptdev)  none  swap  nofail,sw  0 0
 EOF
   done