#!/bin/bash
-# Copyright (C) 2011 GRNET S.A.
+# Copyright (C) 2011 GRNET S.A.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
ganeti_os_main
-if [ "$IMAGE_TYPE" = custom ]; then
- image_file=/dev/null
- image_size=\
- $($CURL -sI "$IMAGE_NAME" | grep ^Content-Length: | cut -d" " -f2)
-else
- image_file="$IMAGE_DIR/$IMAGE_NAME-$ARCH.$IMAGE_TYPE"
- image_size="$(stat -L -c %s "$image_file")"
+if [ "$IMAGE_DEBUG" = "yes" ]; then
+ PS4='$(date "+%s.%N ($LINENO) + ")'
+ set -x
+elif [ "$IMAGE_DEBUG" != "no" ]; then
+ log_warning "Unsupported IMAGE_DEBUG value: \`$IMAGE_DEBUG'"
fi
-if [ ! -e "$image_file" ]; then
- log_error "Image file \`$image_file' does not exit."
- exit 1
-fi
+monitor_pipe=$(mktemp -u)
+mkfifo -m 600 "$monitor_pipe"
+add_cleanup rm -f "$monitor_pipe"
-monitor="" #Empty if progress monitor support is disabled
-if [ "$progress_monitor_support" = "yes" ]; then
- monitor="$PROGRESS_MONITOR \
- -i $(printf "%q" "$INSTANCE_NAME") -r $image_size"
+if [ -n "$PROGRESS_MONITOR" ]; then
+ { sleep 1; $PROGRESS_MONITOR "$instance" < "$monitor_pipe" ; } &
+ monitor_pid="$!"
+else
+ sed -u 's|^|[MONITOR] |g' < "$monitor_pipe" &
+ monitor_pid="$!"
fi
+# Create file descriptor to monitor_pipe
+exec {MONITOR_FD}>${monitor_pipe}
+add_cleanup close_fd ${MONITOR_FD}
+
+# Ignore sigpipe signals. If progress monitor is dead and snf-image tries to
+# output something to the opened pipe, then a sigpipe will be raised. If we do
+# not catch this, the program will terminate.
+trap "" SIGPIPE
+
+trap report_and_cleanup EXIT
+
+echo "Processing image with ID: \`$IMG_ID' and type: \`$IMAGE_TYPE'" >&2
+
+case $BACKEND_TYPE in
+ local)
+ if [[ "$IMAGE_NAME" =~ ^local:// ]]; then
+ IMAGE_NAME="${IMAGE_NAME:8}"
+ elif [[ "$IMAGE_NAME" =~ ^file:// ]]; then
+ IMAGE_NAME="${IMAGE_NAME:7}"
+ log_warning "The file:// back-end identifier is deprecated and" \
+ "will be removed in the future. Use local:// instead."
+ fi
+
+ canonical_image_dir="$(canonicalize "$IMAGE_DIR")"
+ if [ ! -d "$canonical_image_dir" ]; then
+ log_error "The IMAGE_DIR directory: \`$IMAGE_DIR' does not exist."
+ report_error "Unable to retrieve image file."
+ fi
+
+ image_file="$IMAGE_DIR/$IMAGE_NAME"
+ if [ ! -e "$image_file" ]; then
+ if [ -e "$image_file.$IMAGE_TYPE" ] ; then
+ image_file="$image_file.$IMAGE_TYPE"
+ log_warning "The \`.$IMAGE_TYPE' extension is missing from" \
+ "the local back-end id. This id form is deprecated and" \
+ " will be remove in the future."
+ else
+ log_error "Image file \`$image_file' does not exist."
+ report_error "Unable to retrieve image file."
+ exit 1
+ fi
+ fi
+
+ canonical_image_file="$(canonicalize "$image_file")"
+
+ if [[ "$canonical_image_file" != "$canonical_image_dir"* ]]; then
+ log_error "Image ID points to a file outside the image directory: \`$IMAGE_DIR'"
+ report_error "Invalid image ID"
+ exit 1
+ fi
+
+ image_size="$(stat -L -c %s "$image_file")"
+ ;;
+ null)
+ image_file=/dev/null
+ image_size=0
+ # Treat it as local file from now on...
+ BACKEND_TYPE="local"
+ ;;
+ network)
+ image_cmd="$CURL $(printf "%q" "$IMAGE_NAME")"
+ image_size=$($CURL -sI "$IMAGE_NAME" | grep ^Content-Length: | cut -d" " -f2)
+ ;;
+ pithos)
+ # For security reasons pass the database url to pithcat as an
+ # environmental variable.
+ export PITHCAT_INPUT_DB="$PITHOS_DB"
+ export PITHCAT_INPUT_DATA="$PITHOS_DATA"
+ cmd_args="$(printf "%q" "${IMAGE_NAME}")"
+ image_cmd="./pithcat $cmd_args"
+ image_size=$(./pithcat -s $cmd_args)
+ ;;
+esac
+
# If the target device is not a real block device we'll first losetup it.
# This is needed for file disks.
if [ ! -b "$blockdev" ]; then
snf_export_PROPERTY_OSFAMILY="linux"
fi
;;
- diskdump|custom)
+ diskdump)
target="$blockdev"
;;
+ *)
+ log_error "Unknown Image format: \`$IMAGE_TYPE'"
+ report_error "Unknown Image Format"
+ exit 1
+ ;;
esac
-if [ "$IMAGE_TYPE" = "custom" ]; then
- "$CURL" "$IMAGE_NAME" 2>/dev/null |\
- $monitor dd bs=4M of="$target" oflag=direct
-else
+report_info "Starting image copy..."
+monitor="./copy-monitor.py -o $MONITOR_FD -r $image_size"
+if [ "$BACKEND_TYPE" = "local" ]; then
# dd the dump to its new home :-)
# Deploying an image file on a target block device is a streaming copy
# operation. Enable the direct I/O flag on the output fd to avoid polluting
# the host cache with useless data.
$monitor dd bs=4M if="$image_file" of="$target" oflag=direct
+else
+ $image_cmd | $monitor dd bs=4M of="$target" oflag=direct
fi
+report_info "Image copy finished."
# Create a floppy image
floppy=$(mktemp --tmpdir floppy.XXXXXX)
add_cleanup rm "$floppy"
-snf_export_DEV=/dev/vda
snf_export_TYPE="$IMG_FORMAT"
snf_export_PASSWORD="$IMG_PASSWD"
snf_export_HOSTNAME="$instance"
-snf_export_PROPERTIES="$IMG_PROPERTIES"
+if [ -n "$IMG_PROPERTIES" ]; then
+ snf_export_PROPERTIES="$IMG_PROPERTIES"
+fi
if [ -n "$IMG_PERSONALITY" ]; then
snf_export_PERSONALITY="$IMG_PERSONALITY"
fi
-create_floppy "$floppy"
+snf_export_DEV=$(get_img_dev)
-# Invoke the helper vm to do the dirty job...
-result_file=$(mktemp --tmpdir result.XXXXXX)
-add_cleanup rm "$result_file"
-
-snapshot=$(mktemp --tmpdir helperXXXXXX.img)
-add_cleanup rm "$snapshot"
-
-"$QEMU_IMG" create -f qcow2 -b "$HELPER_IMG" "$snapshot"
-
-echo "$(date +%Y:%m:%d-%H:%M:%S.%N) Starting helper VM..."
-$TIMELIMIT -t "$HELPER_SOFT_TIMEOUT" -T "$HELPER_HARD_TIMEOUT" \
- kvm -runas "$HELPER_USER" -drive file="$snapshot" \
- -drive file="$blockdev",format=raw,if=virtio,cache=none \
- -boot c -serial stdio -serial file:"$result_file" \
- -fda "$floppy" -vga none -nographic -parallel none -monitor null \
- -kernel "$HELPER_KERNEL" -initrd "$HELPER_INITRD" \
- -append "quiet ro root=/dev/sda1 console=ttyS0,9600n8 snf_image_activate_helper" \
- 2>&1 | sed 's|^|HELPER: |g'
-echo "$(date +%Y:%m:%d-%H:%M:%S.%N) Helper VM finished."
-
-if [ $? -ne 0 ]; then
- if [ $? -gt 128 ]; then
- log_error "Helper was terminated. Did not finish on time."
- fi
- exit 1
-fi
+create_floppy "$floppy"
-# Read the first line. This will remove \r and \n chars
-result=$(sed 's|\r||g' "$result_file" | head -1)
+launch_helper "$blockdev" "$floppy"
-if [ "x$result" != "xSUCCESS" ]; then
- log_error "Helper VM returned error"
- exit 1
-fi
+report_info "Image customization finished successfully."
# Execute cleanups
cleanup
projects / snf-image / blobdiff