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Allow axel as a download agent #156

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Allow axel as a download agent #156

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45 changes: 33 additions & 12 deletions ievms.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,33 @@ set -o errtrace
set -o errexit
set -o pipefail

curl_opts=${CURL_OPTS:-""}
curl_opts=${CURL_OPTS:-"-L -O"}
axel_opts=${AXEL_OPTS:-"-a"}
agent=${FORCE_AGENT:-""}
reuse_xp=${REUSE_XP:-"yes"}

log() { printf "$*\n" ; return $? ; }

fail() { log "\nERROR: $*\n" ; exit 1 ; }

download_agent() {
# Check if an agent is forced. Otherwise use axel if available
# and curl as a fallback.
if [ "$agent" == "" ]; then
if hash axel 2>/dev/null; then
agent="axel"
agent_opts=${axel_opts}
else
agent="curl"
agent_opts=${curl_opts}
fi
elif [ "$agent" == "axel" ]; then
agent_opts=${axel_opts}
else
agent_opts=${curl_opts}
fi
}

create_home() {
def_ievms_home="${HOME}/.ievms"
ievms_home=${INSTALL_PATH:-$def_ievms_home}
Expand Down Expand Up @@ -42,7 +62,7 @@ check_version() {
version=`VBoxManage -v`
major_minor_release="${version%%[-_r]*}"
major_minor="${version%.*}"
dl_page=`curl ${curl_opts} -L "http://download.virtualbox.org/virtualbox/" 2>/dev/null`
dl_page=`${agent} ${agent_opts} "http://download.virtualbox.org/virtualbox/" 2>/dev/null`

if [[ "$version" == *"kernel module is not loaded"* ]]; then
fail "$version"
Expand Down Expand Up @@ -72,9 +92,9 @@ check_ext_pack() {
if [[ ! -f "${archive}" ]]
then
log "Downloading Oracle VM VirtualBox Extension Pack from ${url} to ${ievms_home}/${archive}"
if ! curl ${curl_opts} -L "${url}" -o "${archive}"
if ! ${agent} ${agent_opts} "${url}" -o "${archive}"
then
fail "Failed to download ${url} to ${ievms_home}/${archive} using 'curl', error code ($?)"
fail "Failed to download ${url} to ${ievms_home}/${archive} using '${agent}', error code ($?)"
fi
fi

Expand All @@ -91,9 +111,9 @@ download_unar() {
unar_archive=`basename "${unar_url}"`

log "Downloading unar from ${unar_url} to ${ievms_home}/${unar_archive}"
if [[ ! -f "${unar_archive}" ]] && ! curl ${curl_opts} -L "${unar_url}" -o "${unar_archive}"
if [[ ! -f "${unar_archive}" ]] && ! ${agent} ${agent_opts} "${unar_url}" -o "${unar_archive}"
then
fail "Failed to download ${unar_url} to ${ievms_home}/${unar_archive} using 'curl', error code ($?)"
fail "Failed to download ${unar_url} to ${ievms_home}/${unar_archive} using '${agent}', error code ($?)"
fi

if ! unzip "${unar_archive}"
Expand Down Expand Up @@ -146,9 +166,9 @@ build_ievm() {
if [[ ! -f "${ova}" ]]
then
log "Downloading OVA ZIP from ${url} to ${ievms_home}/${archive}"
if [[ ! -f "${archive}" ]] && ! curl ${curl_opts} -L -O "${url}"
if [[ ! -f "${archive}" ]] && ! ${agent} ${agent_opts} "${url}"
then
fail "Failed to download ${url} to ${ievms_home}/ using 'curl', error code ($?)"
fail "Failed to download ${url} to ${ievms_home}/ using '${agent}', error code ($?)"
fi

log "Extracting OVA from ${ievms_home}/${archive}"
Expand Down Expand Up @@ -181,18 +201,18 @@ build_ievm_xp() {
installer_host="${ievms_home}/${installer}"
installer_guest="/Documents and Settings/IEUser/Desktop/Install IE${1}.exe"
log "Downloading IE${1} installer from ${2}"
if [[ ! -f "${installer}" ]] && ! curl ${curl_opts} -L "${2}" -o "${installer}"
if [[ ! -f "${installer}" ]] && ! ${agent} ${agent_opts} "${2}" -o "${installer}"
then
fail "Failed to download ${url} to ${ievms_home}/${installer} using 'curl', error code ($?)"
fail "Failed to download ${url} to ${ievms_home}/${installer} using '${agent}', error code ($?)"
fi

iso_url="https://dl.dropbox.com/u/463624/ievms-control.iso"
dev_iso=`pwd`/ievms-control.iso # Use local iso if in ievms dev root
if [[ -f "${dev_iso}" ]]; then iso=$dev_iso; else iso="${ievms_home}/ievms-control.iso"; fi
log "Downloading ievms ISO from ${iso_url}"
if [[ ! -f "${iso}" ]] && ! curl ${curl_opts} -L "${iso_url}" -o "${iso}"
if [[ ! -f "${iso}" ]] && ! ${agent} ${agent_opts} "${iso_url}" -o "${iso}"
then
fail "Failed to download ${iso_url} to ${ievms_home}/${iso} using 'curl', error code ($?)"
fail "Failed to download ${iso_url} to ${ievms_home}/${iso} using '${agent}', error code ($?)"
fi

log "Attaching ievms.iso"
Expand Down Expand Up @@ -248,6 +268,7 @@ build_ievm_ie8() {
build_ievm_xp 8 "http://download.microsoft.com/download/C/C/0/CC0BD555-33DD-411E-936B-73AC6F95AE11/IE8-WindowsXP-x86-ENU.exe"
}

download_agent
check_system
create_home
check_virtualbox
Expand Down