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##############################################################################
# Copyright (c) 2017 kristian.hunt@gmail.com and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
---
# Sample test suite file
# Test cases listed in the suite file should be in the tests/opnfv/test_cases directory
# or specified in test_cases_dir optional variable as done below

schema: "yardstick:suite:0.1"

name: "Sample test suite"
test_cases_dir: "samples/"
test_cases:
-
  file_name: ping.yaml
-
  file_name: ping-template.yaml
  task_args: '{"packetsize": "200"}'
-
  file_name: ping-template.yaml
  task_args_file: "/tmp/test-args-file.json"
* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
#!/bin/bash

##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

# yardstick-img-dpdk-modify - download and modify a Ubuntu cloud image
#
# The actual customization is done by a script passed with an absolute path as
# the only single argument. The command needs to be invoked as sudo
#
# Example invocation:
# yardstick-img-dpdk-modify /home/yardstick/tools/ubuntu-server-cloudimg-dpdk-modify.sh
#
# Warning: the script will create files by default in:
#   /tmp/workspace/yardstick
# the files will be owned by root!
#
# TODO: image resize is needed if the base image is too small
#

set -e
set -x

die() {
    echo "error: $1" >&2
    exit 1
}

test $# -eq 1 || die "no image specific script as argument"
test $(id -u) -eq 0 || die "should invoke using sudo"

cmd=$1
test -x $cmd
mountdir="/mnt/yardstick"

workspace=${WORKSPACE:-"/tmp/workspace/yardstick"}
host=${HOST:-"cloud-images.ubuntu.com"}
release=${RELEASE:-"wily"}
image_path="${release}/current/${release}-server-cloudimg-amd64-disk1.img"
image_url=${IMAGE_URL:-"https://${host}/${image_path}"}
sha256sums_path="${release}/current/SHA256SUMS"
sha256sums_url=${SHA256SUMS_URL:-"https://${host}/${sha256sums_path}"}

imgfile="${workspace}/yardstick-${release}-server"
raw_imgfile="${workspace}/yardstick-${release}-server.raw"
filename=$(basename $image_url)

# download and checksum base image, conditionally if local copy is outdated
download() {
    test -d $workspace || mkdir -p $workspace
    cd $workspace
    rm -f SHA256SUMS # always download the checksum file to a detect stale image
    wget $sha256sums_url
    test -e $filename || wget -nc $image_url
    grep $filename SHA256SUMS | sha256sum -c ||
    if [ $? -ne 0 ]; then
        rm $filename
        wget -nc $image_url
        grep $filename SHA256SUMS | sha256sum -c
    fi
    qemu-img convert $filename $raw_imgfile
    cd -
}

# mount image
setup() {
    mkdir -p $mountdir

    for i in $(seq 0 9); do
        [ -a /dev/loop$i ] || mknod -m 660 /dev/loop$i b 7 $i
    done

    loopdevice=$(kpartx -l $raw_imgfile | head -1 | cut -f1 -d ' ')

    kpartx -a $raw_imgfile

    mount /dev/mapper/$loopdevice $mountdir
    mount -t proc none $mountdir/proc

    echo $loopdevice

    sudo resize2fs /dev/mapper/$loopdevice

    cp $cmd $mountdir/$(basename $cmd)
}

# modify image running a script using in a chrooted environment
modify() {
    # resolv.conf does not exist in base image, pass nameserver value from host
    nameserver_ip=$(grep -m 1 '^nameserver' \
        /etc/resolv.conf | awk '{ print $2 '})

    # prevent init scripts from running during install
    echo $'#!/bin/sh\nexit 101' >$mountdir/usr/sbin/policy-rc.d
    chmod a+x $mountdir/usr/sbin/policy-rc.d

    chroot $mountdir /$(basename $cmd) $nameserver_ip

    rm -rf $mountdir/usr/sbin/policy-rc.d

    umount -f $mountdir/proc
    umount $mountdir

    qemu-img convert -c -o compat=0.10 -O qcow2 $raw_imgfile $imgfile
#    qemu-img convert -O vmdk $raw_imgfile $imgfile

    if dmsetup table | grep $loopdevice; then
       dmsetup clear $loopdevice || true
    fi
}

# cleanup (umount) the image
cleanup() {
    # designed to be idempotent
    mount | grep $mountdir/proc && umount $mountdir/proc
    mount | grep $mountdir && umount $mountdir
    if [ -f $raw_imgfile ]; then
        kpartx -dv $raw_imgfile || true
    fi
    rm -f $raw_imgfile
    rm -rf $mountdir
}

exitcode=""
error_trap()
{
    local rc=$?

    set +e

    if [ -z "$exitcode" ]; then
        exitcode=$rc
    fi

    cleanup

    echo "Image build failed with $exitcode"

    exit $exitcode
}

main() {
    cleanup

    trap "error_trap" EXIT SIGTERM

    download
    setup
    modify
    trap - EXIT SIGTERM
    cleanup

    echo "the modified image is found here: $imgfile"
}

main