Generated code for debug command.

[libguestfs.git] / make-initramfs.sh.in

diff --git a/make-initramfs.sh.in b/make-initramfs.sh.in
index c8deae2..6ff6e69 100755 (executable)
--- a/make-initramfs.sh.in
+++ b/make-initramfs.sh.in
@@ -20,12 +20,14 @@
 
 set -e
 
+unset CDPATH
+
 # If you want to do some extra debugging and diagnosis of the
 # initramfs image, then uncomment this line.  This makes the image
 # larger.
 debug=yes
 
-modules="-i kernel -i bash -i coreutils -i lvm2 -i ntfs-3g -i nfs-utils -i util-linux-ng -i MAKEDEV -i net-tools"
+modules="-i kernel -i bash -i coreutils -i lvm2 -i ntfs-3g -i util-linux-ng -i MAKEDEV -i net-tools -i augeas-libs -i file"
 
 if [ "x$debug" = "xyes" ]; then
     modules="$modules -i module-init-tools -i procps -i strace -i iputils"
@@ -34,50 +36,81 @@ fi
 # Decide on names for the final output.  These have to match Makefile.am.
 output=initramfs.@REPO@.@host_cpu@.img
 koutput=vmlinuz.@REPO@.@host_cpu@
-rm -f $output $koutput
+rm -f $output
+rm -f $koutput
 
 # Create the basic initramfs.
-@FEBOOTSTRAP@ $modules @REPO@ initramfs @MIRROR@
-
-# Nuke some stuff.  The kernel pulls in plymouth crapola which pulls in
+@FEBOOTSTRAP@ $modules -u @UPDATES@ @REPO@ initramfs @MIRROR@
+
+# /sysroot is where the guest root filesystem will be mounted.
+mkdir initramfs/sysroot
+
+# Create /tmp if it is missing.
+mkdir -p initramfs/tmp
+@FEBOOTSTRAP_RUN@ initramfs -- chmod 0777 /tmp
+
+# Make a safe 'install_file' function to install files into the
+# filesystem.  XXX We need a 'febootstrap-install' utility.
+# Usage: install_file <local-file> <target-pathname> mode owner[.group]
+install_file ()
+{
+    cp "$1" initramfs/"$2"
+    # Get the inode of the new file and remove it from fakeroot.log.
+    ino=$(ls -i initramfs/"$2" | awk '{print $1}')
+    cp initramfs/fakeroot.log fakeroot.log.old
+    grep -v "ino=$ino," fakeroot.log.old > initramfs/fakeroot.log
+    rm fakeroot.log.old
+    # Set mode, owner and group as desired.
+    @FEBOOTSTRAP_RUN@ initramfs -- chmod "$3" "$2"
+    @FEBOOTSTRAP_RUN@ initramfs -- chown "$4" "$2"
+}
+
+# Nuke some stuff.  The kernel pulls mkinitrd and plymouth which pulls in
 # all of Python.  Sheez.
 find initramfs -name '*plymouth*' -print0 | xargs -0 rm -rf
 find initramfs -name '*python*' -print0 | xargs -0 rm -rf
 
 # Modules take up nearly half of the image.  It's a rough guess that
-# we don't need any drivers (which take up most of the space).
-# (We need to keep kernel/net/sunrpc for NFS)
-rm -rf initramfs/lib/modules/*/kernel/{drivers,sound}
-rm -rf initramfs/lib/modules/*/kernel/arch/x86/kvm
+# we don't need many drivers (which take up most of the space).
+find initramfs/lib/modules/*/kernel \
+  -name '*.ko' \
+  -a ! -name 'mii.ko' \
+  -a ! -name '8139cp.ko' \
+  -a ! -name 'ext2.ko' \
+  -a ! -name 'ext4.ko' \
+  -a ! -name 'crc16.ko' \
+  -a ! -name 'jbd2.ko' \
+  -a ! -name 'fuse.ko' \
+  -a -delete
 
 # Pull the kernel out into the current directory.  We don't want it in
 # the initramfs image.
 mv initramfs/boot/vmlinuz* $koutput
 rm -rf initramfs/boot
 
-# Older versions of febootstrap-minimize didn't remove this, so:
-rm -rf initramfs/usr/share/gnome/help
-
 # Minimize the image.
 @FEBOOTSTRAP_MINIMIZE@ initramfs
 
 # Add some missing configuration files.
 if [ ! -f initramfs/etc/hosts ]; then
-    cat > initramfs/etc/hosts <<'__EOF__'
+    cat > hosts.new <<'__EOF__'
 127.0.0.1 guestfs localhost.localdomain localhost
 ::1       localhost6.localdomain6 localhost6
 __EOF__
+    install_file hosts.new /etc/hosts 0644 root.root
+    rm hosts.new
 fi
 
 if [ ! -f initramfs/etc/fstab ]; then
-    touch initramfs/etc/fstab
+    @FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab
 fi
 
-# Copy the daemon into the filesystem.
-#cp daemon/guestfsd initramfs/sbin
+echo nameserver 10.0.2.3 > resolv.conf.new
+install_file resolv.conf.new /etc/resolv.conf 0644 root.root
+rm resolv.conf.new
 
 # Create the init script.
-cat > initramfs/init <<'__EOF__'
+cat > init.new <<'__EOF__'
 #!/bin/sh
 PATH=/sbin:/usr/sbin:$PATH
 MAKEDEV mem null port zero core full ram tty console fd \
@@ -85,26 +118,29 @@ MAKEDEV mem null port zero core full ram tty console fd \
 mount -t proc /proc /proc
 mount -t sysfs /sys /sys
 mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
-modprobe nfsd
+modprobe 8139cp
 /sbin/ifconfig lo 127.0.0.1
+/sbin/ifconfig eth0 10.0.2.10
+/sbin/route add default gw 10.0.2.2
 lvm vgscan --ignorelockingfailure
 lvm vgchange -ay --ignorelockingfailure
-rpcbind
-rpc.statd
-rpc.nfsd 4
-rpc.mountd
 __EOF__
 
 if [ "x$debug" != "xyes" ]; then
-    echo exec guestfsd -f >> initramfs/init
+    echo exec guestfsd -f >> init.new
 else
-    echo guestfsd >> initramfs/init
-    echo exec bash -i >> initramfs/init
+    echo guestfsd >> init.new
+    echo exec bash -i >> init.new
 fi
 
-chmod +x initramfs/init
+install_file init.new /init 0755 root.root
+rm init.new
+
+# Copy the daemon into the filesystem.
+install_file @abs_builddir@/daemon/guestfsd /sbin/guestfsd 0755 root.root
 
 # Generate final image.
 @FEBOOTSTRAP_TO_INITRAMFS@ initramfs > $output-t
 mv $output-t $output
 ls -lh $output
+ls -lh $koutput