Improve Yardstick user-guide

[yardstick.git] / tools / yardstick-img-modify

diff --git a/tools/yardstick-img-modify b/tools/yardstick-img-modify
index 0033383..5997685 100755 (executable)
--- a/tools/yardstick-img-modify
+++ b/tools/yardstick-img-modify
@@ -23,7 +23,6 @@
 #
 # TODO: image resize is needed if the base image is too small
 #
-
 set -e
 set -x
 
@@ -42,53 +41,41 @@ mountdir="/mnt/yardstick"
 workspace=${WORKSPACE:-"/tmp/workspace/yardstick"}
 host=${HOST:-"cloud-images.ubuntu.com"}
 release=${RELEASE:-"xenial"}
-image_path="${release}/current/${release}-server-cloudimg-${YARD_IMG_ARCH}-disk1.img"
+boot_mode="disk1"
+if [[ "${YARD_IMG_ARCH}" = "arm64" ]]; then
+    boot_mode="uefi1"
+fi
+
+image_path="${release}/current/${release}-server-cloudimg-${YARD_IMG_ARCH}-${boot_mode}.img"
 image_url=${IMAGE_URL:-"https://${host}/${image_path}"}
-md5sums_path="${release}/current/MD5SUMS"
-md5sums_url=${MD5SUMS_URL:-"https://${host}/${md5sums_path}"}
+sha256sums_path="${release}/current/SHA256SUMS"
+sha256sums_url=${SHA256SUMS_URL:-"https://${host}/${sha256sums_path}"}
 
 imgfile="${workspace}/yardstick-image.img"
-raw_imgfile="${workspace}/yardstick-${release}-server.raw"
+raw_imgfile_basename="yardstick-${release}-server.raw"
+raw_imgfile="${workspace}/${raw_imgfile_basename}"
 filename=$(basename $image_url)
 
+apt-get install -y parted
+
 # download and checksum base image, conditionally if local copy is outdated
 download() {
     test -d $workspace || mkdir -p $workspace
     cd $workspace
-    rm -f MD5SUMS # always download the checksum file to a detect stale image
-    wget $md5sums_url
+    rm -f SHA256SUMS # always download the checksum file to a detect stale image
+    wget $sha256sums_url
     test -e $filename || wget -nc --progress=dot:giga $image_url
-    grep $filename MD5SUMS | md5sum -c ||
+    grep $filename SHA256SUMS | sha256sum -c ||
     if [ $? -ne 0 ]; then
         rm $filename
         wget -nc --progress=dot:giga $image_url
-        grep $filename MD5SUMS | md5sum -c
+        grep $filename SHA256SUMS | sha256sum -c
     fi
 
     for i in $(seq 0 9); do
         [ -a /dev/loop$i ] || mknod -m 660 /dev/loop$i b 7 $i
     done
 
-    if [ $YARD_IMG_ARCH = "arm64" ]; then
-        cd /tmp
-        if [ ! -f /tmp/vivid-server-cloudimg-arm64-kernel-info.txt ]; then
-            wget http://cloud-images.ubuntu.com/vivid/current/vivid-server-cloudimg-arm64-kernel-info.txt
-        fi
-        export VIVID_KERNEL_VERSION=$(cut -d$'\t' -f4 vivid-server-cloudimg-arm64-kernel-info.txt)
-        mkdir -p /tmp/vivid-modules
-        if [ ! -f "/tmp/vivid-server-cloudimg-arm64.tar.gz" ]; then
-            wget $VIVID_IMG_URL
-        fi
-        if [ ! -f "/tmp/vivid-server-cloudimg-arm64.img" ]; then
-            tar zxvf vivid-server-cloudimg-arm64.tar.gz vivid-server-cloudimg-arm64.img
-        fi
-        mkdir -p /mnt/vivid
-        mount /tmp/vivid-server-cloudimg-arm64.img /mnt/vivid
-        cp -r /mnt/vivid/lib/modules/$(echo $VIVID_KERNEL_VERSION | cut -d'-' -f3,4,5) /tmp/vivid-modules
-        umount /mnt/vivid
-        rm /tmp/vivid-server-cloudimg-arm64.img
-        cd $workspace
-    fi
     qemu-img convert $filename $raw_imgfile
     cd -
 }
@@ -96,30 +83,23 @@ download() {
 # mount image
 setup() {
     # qemu-img resize $raw_imgfile +5GB
-    if [ $YARD_IMG_ARCH = "arm64" ]; then
-        echo -e "d\nn\np\n1\n\n\nw" | fdisk $raw_imgfile
-    fi
     mkdir -p $mountdir
 
     loopdevice=$(kpartx -l $raw_imgfile | head -1 | cut -f1 -d ' ')
 
     kpartx -av $raw_imgfile
-    if [ $YARD_IMG_ARCH = "arm64" ]; then
-        e2fsck -p -f /dev/mapper/$loopdevice
-        resize2fs /dev/mapper/$loopdevice
-    fi
+
     # for trouble shooting
     sleep 2
     dmsetup ls
-    fdisk -l /dev/${loopdevice:0:5} || true
+    parted -l /dev/${loopdevice:0:5} || true
     mount /dev/mapper/$loopdevice $mountdir
     mount -t proc none $mountdir/proc
 
-    if [ $YARD_IMG_ARCH = "arm64" ]; then
-        cp -r /tmp/vivid-modules/$(echo $VIVID_KERNEL_VERSION | cut -d'-' -f3,4,5) "$mountdir/lib/modules"
-        cp $(which "qemu-aarch64-static") "$mountdir/usr/bin"
-    fi
     cp $cmd $mountdir/$(basename $cmd)
+    if [ "${YARD_IMG_ARCH}" = "arm64" ]; then
+        cp /usr/bin/qemu-aarch64-static $mountdir/usr/bin
+    fi
 }
 
 # modify image running a script using in a chrooted environment
@@ -151,10 +131,16 @@ cleanup() {
     # designed to be idempotent
     mount | grep $mountdir/proc && umount $mountdir/proc
     mount | grep $mountdir && umount $mountdir
-    mount | grep "/mnt/vivid" && umount "/mnt/vivid"
-    if [ -f $raw_imgfile ]; then
-        kpartx -dv $raw_imgfile
+    mount | grep "/mnt/${release}" && umount "/mnt/${release}"
+
+    if [ -f "${raw_imgfile}" ]; then
+        #kpartx -dv $raw_imgfile sometimes failed, we should checked it agein.
+        #if [ -z "$(kpartx -l $raw_imgfile | grep 'loop deleted')" ]; then
+        #    kpartx -dv $raw_imgfile
+        #fi
+        kpartx -dv $raw_imgfile || true
     fi
+
     rm -f $raw_imgfile
     rm -rf $mountdir
 }