Make the 0.5 release

[ext/instance-debootstrap.git] / create.in

diff --git a/create.in b/create.in
index 1dc5e4b..b168e5c 100755 (executable)
--- a/create.in
+++ b/create.in
@@ -19,11 +19,32 @@
 
 set -e
 
-# Customize this if you need another mirror, or set to empty to get the
-# node's sources.list
-MIRROR="http://ftp.debian.org/debian"
-DPKG_ARCH="`dpkg --print-architecture`"
-CACHE_FILE="cache-${DPKG_ARCH}.tar"
+DEFAULT_FILE="@sysconfdir@/default/ganeti-instance-debootstrap"
+if [ -f "$DEFAULT_FILE" ]; then
+    . "$DEFAULT_FILE"
+fi
+
+# note: we don't set a default mirror since debian and ubuntu have
+# different defaults, and it's better to use the default
+
+# only if the user want to specify a mirror in the defaults file we
+# will use it, this declaration is to make sure the variable is set
+: ${MIRROR:=""}
+: ${PROXY:=""}
+: ${SUITE:="lenny"}
+: ${ARCH:=""}
+: ${EXTRA_PKGS:=""}
+: ${GENERATE_CACHE:="yes"}
+: ${CLEAN_CACHE:="14"} # number of days to keep a cache file
+
+CACHE_DIR="@localstatedir@/cache/ganeti-instance-debootstrap"
+
+if [ "$GENERATE_CACHE" = "yes" -a ! -d "$CACHE_DIR" ]; then
+  mkdir -p "$CACHE_DIR"
+fi
+
+DPKG_ARCH=${ARCH:-`dpkg --print-architecture`}
+CACHE_FILE="$CACHE_DIR/cache-${SUITE}-${DPKG_ARCH}.tar"
 
 TEMP=`getopt -o i:b:s: -n '$0' -- "$@"`
 
@@ -65,22 +86,25 @@ mount $MOUNT_OPTIONS $blockdev $TMPDIR
 
 # remove the cache file if it's old (> 2 weeks) and writable by the owner (the
 # default due to the standard umask)
-if [ -f "$CACHE_FILE" ]; then
-  find "$CACHE_FILE" -perm -0200 -daystart -mtime +14 -print0 | \
+if [ "$CLEAN_CACHE" -a -d "$CACHE_DIR" ]; then
+  find "$CACHE_DIR" -name 'cache-*.tar' -type f \
+    -daystart -mtime "+${CLEAN_CACHE}" -print0 | \
     xargs -r0 rm -f
 fi
 
 if [ -f "$CACHE_FILE" ]; then
   tar xf "$CACHE_FILE" -C $TMPDIR
 else
-  # On i386, we need the xen-specific library
-  if [ "$DPKG_ARCH" = "i386" ]; then
-    EXTRAPKG="linux-image-xen-686 libc6-xen"
-  elif [ "$DPKG_ARCH" = "amd64" ]; then
-    EXTRAPKG="linux-image-xen-amd64"
+  if [ "$PROXY" ]; then
+    export http_proxy="$PROXY"
   fi
-
-  debootstrap --include="$EXTRAPKG" etch $TMPDIR $MIRROR
+  # INCLUDE will be empty if EXTRA_PKGS is null/empty, otherwise we
+  # build the full parameter format from it
+  INCLUDE=${EXTRA_PKGS:+"--include=$EXTRA_PKGS"}
+  debootstrap \
+    --arch "$DPKG_ARCH" \
+    $INCLUDE \
+    "$SUITE" $TMPDIR $MIRROR
 
   # remove the downloaded debs, as they are no longer needed
   find "$TMPDIR/var/cache/apt/archives" -type f -name '*.deb' -print0 | \
@@ -88,10 +112,9 @@ else
 
   # remove the persistent-net rules, otherwise it will remember the node's
   # interfaces as eth0, eth1, ...
-
   rm -f "$TMPDIR/etc/udev/rules.d/z25_persistent-net.rules"
 
-  if [ ! -e no_cache ]; then
+  if [ "$GENERATE_CACHE" = "yes" ]; then
     TMP_CACHE=`mktemp "${CACHE_FILE}.XXXXXX"`
     tar cf "$TMP_CACHE" -C $TMPDIR .
     mv -f "$TMP_CACHE" "$CACHE_FILE"