diff options
| -rwxr-xr-x | scripts/install/install-image | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/scripts/install/install-image b/scripts/install/install-image index 6ed0f732..dc834487 100755 --- a/scripts/install/install-image +++ b/scripts/install/install-image @@ -11,6 +11,9 @@ export PROGRESS_PID=$$ # file for get-partition output PART_FILE='' +# Temp directory for downloaded ISO +TEMP_DIR="/var/tmp/install-image.$$" + fail_exit () { echo "$*" @@ -28,6 +31,9 @@ clean_up () umount $INST_ROOT >&/dev/null || true umount $READ_ROOT >&/dev/null || true umount $WRITE_ROOT >&/dev/null || true + if [ -d "$TEMP_DIR" ]; then + rm -rf $TEMP_DIR + fi } sig_handler () { @@ -42,9 +48,42 @@ exit_handler () { clean_up } -# set up the specified ISO image for install +# Try to fetch the ISO file using a URL provided by the user. +# If successful, we leave $NEW_ISO pointing to the ISO file that +# was downloaded. +fetch_iso_by_url () +{ + mkdir $TEMP_DIR + echo "Trying to fetch ISO file from $NEW_ISO" + + wget -P $TEMP_DIR $NEW_ISO + if [ $? -ne 0 ]; then + echo "Unable to fetch ISO from $NEW_ISO" + exit 1 + fi + + filename="${TEMP_DIR}/${NEW_ISO##*/}" + if [ ! -e $filename ]; then + echo "Download of $NEW_ISO failed" + exit 1 + fi + + echo "ISO download suceeded." + NEW_ISO=$filename +} + +# set up the specified ISO image file or URL for install set_up_new_iso () { + url_scheme=${NEW_ISO%%:*} + + if [ "$url_scheme" != "$NEW_ISO" ]; then + if [ "$url_scheme" = "http" -o "$url_scheme" = "https" -o \ + "$url_scheme" = "ftp" ]; then + fetch_iso_by_url + fi + fi + if [ ! -f "$NEW_ISO" ] || ! (file $NEW_ISO | grep -q 9660); then fail_exit "\"$NEW_ISO\" is not a valid ISO image file." fi @@ -135,11 +174,11 @@ done if is_live_cd_boot; then if [ -n "$NEW_ISO" ]; then echo 'You are trying to install from a live CD boot. The live CD image' - fail_exit 'will be used. Do not specify an ISO image file.' + fail_exit 'will be used. Do not specify an ISO image file or URL.' fi elif [ -z "$NEW_ISO" ]; then echo 'You are trying to install from an already installed system. An ISO' - fail_exit 'image file to install must be specified.' + fail_exit 'image file to install or URL must be specified.' else # installing on an installed system. set up the new image. set_up_new_iso @@ -187,4 +226,3 @@ case "$root_part_type" in fail_exit "Unknown partition type \"$root_part_type\"." ;; esac - |