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usermode.conf revision 1.4 
      1 # $NetBSD: usermode.conf,v 1.4 2015/01/23 15:17:58 skrll Exp $
      2 # NetBSD/usermode customization script used by mkimage
      3 
      4 # XXX: BROKEN, needs to be converted to makefs
      5 custom=custom
      6 image=usermode.img
      7 overhead=8 # in MB
      8 sets="base etc modules"
      9 setsdir=/usr/build/release/$(uname -m)/binary/sets
     10 size=0	# in MB
     11 usermodedirs="/var.cow /etc.cow /root.cow /pkgs"
     12 
     13 make_filesystems() {
     14 	newfs /dev/r${vnddev}a
     15 	mount /dev/${vnddev}a ${mnt}
     16 }
     17 
     18 make_fstab() {
     19 cat > ${mnt}/etc/fstab << EOF
     20 # NetBSD/usermode /etc/fstab
     21 /dev/ld0a       /               ffs     ro              1 1
     22 /dev/ld1a	/pkgs		ffs	ro		1 2
     23 kernfs          /kern           kernfs  rw
     24 ptyfs           /dev/pts        ptyfs   rw
     25 procfs          /proc           procfs  rw
     26 # mount /root as tmpfs on top of existing dir
     27 tmpfs           /root.cow       tmpfs   rw,-s2M         0 0
     28 /root.cow       /root           union   rw,hidden       0 0
     29 # mount /etc as tmpfs on top of existing dir
     30 tmpfs           /etc.cow        tmpfs   rw,-s12M        0 0
     31 /etc.cow        /etc            union   rw,hidden       0 0
     32 # mount /var as tmpfs on top of existing dir
     33 tmpfs           /var.cow        tmpfs   rw,-s32M         0 0
     34 /var.cow        /var            union   rw,hidden       - -
     35 tmpfs           /tmp            tmpfs   rw,-s32M        0 0
     36 /dev/cd0a       /cdrom          cd9660  ro,noauto
     37 EOF
     38 }
     39 
     40 customize() {
     41 cat >> ${mnt}/etc/rc.conf << EOF
     42 # make sure we have the right rw filesystem at boot
     43 critical_filesystems_local="/var.cow /var /etc.cow /etc /root.cow /root"
     44 
     45 # Add local overrides below
     46 #
     47 dhcpcd=YES
     48 sshd=YES
     49 EOF
     50 
     51 echo "${bar} making extra directories ${bar}"
     52 for d in ${usermodedirs}; do
     53 	mkdir -p ${mnt}/${d}
     54 done
     55 
     56 echo "${bar} customising /var/tmp ${bar}"
     57 rm -rf ${mnt}/var/tmp
     58 (cd ${mnt}/var && ln -s /tmp tmp)
     59 
     60 # package-related stuff
     61 (cat ${mnt}/etc/csh.cshrc;echo "setenv PKG_DBDIR /usr/pkg/.dbdir") > ${tmp}
     62 mv ${tmp} ${mnt}/etc/csh.cshrc
     63 (cat ${mnt}/etc/profile;echo "export PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
     64 mv ${tmp} ${mnt}/etc/profile
     65 (echo "PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
     66 mv ${tmp} ${mnt}/etc/mk.conf
     67 (cd ${mnt}/usr && ln -s /pkgs/usr/pkg pkg)
     68 
     69 # last, customisation stage
     70 if [ -d ${custom} ]; then
     71 	echo "${bar} user customisations from files in ${custom} ${bar}"
     72 	(cd ${custom} && pax -rwpe . ${mnt})
     73 fi
     74 
     75 df ${mnt}
     76 }
     77 
     78 cleanup() {
     79 }
     80