860 lines
27 KiB
Bash
860 lines
27 KiB
Bash
# functions - Common functions used by DevStack components
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#
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# The following variables are assumed to be defined by certain functions:
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# ``ENABLED_SERVICES``
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# ``EROR_ON_CLONE``
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# ``FILES``
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# ``GLANCE_HOSTPORT``
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# ``OFFLINE``
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# ``PIP_DOWNLOAD_CACHE``
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# ``RECLONE``
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# ``TRACK_DEPENDS``
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# ``http_proxy``, ``https_proxy``, ``no_proxy``
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Exit 0 if address is in network or 1 if address is not in
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# network or netaddr library is not installed.
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# address_in_net ip-address ip-range
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function address_in_net() {
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python -c "
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import netaddr
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import sys
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sys.exit(netaddr.IPAddress('$1') not in netaddr.IPNetwork('$2'))
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"
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}
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# Wrapper for ``apt-get`` to set cache and proxy environment variables
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# Uses globals ``OFFLINE``, ``*_proxy`
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# apt_get operation package [package ...]
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function apt_get() {
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[[ "$OFFLINE" = "True" || -z "$@" ]] && return
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local sudo="sudo"
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[[ "$(id -u)" = "0" ]] && sudo="env"
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$sudo DEBIAN_FRONTEND=noninteractive \
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http_proxy=$http_proxy https_proxy=$https_proxy \
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no_proxy=$no_proxy \
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apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@"
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}
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# Gracefully cp only if source file/dir exists
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# cp_it source destination
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function cp_it {
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if [ -e $1 ] || [ -d $1 ]; then
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cp -pRL $1 $2
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fi
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}
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# Prints "message" and exits
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# die "message"
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function die() {
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local exitcode=$?
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set +o xtrace
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echo $@
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exit $exitcode
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}
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# Checks an environment variable is not set or has length 0 OR if the
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# exit code is non-zero and prints "message" and exits
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# NOTE: env-var is the variable name without a '$'
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# die_if_not_set env-var "message"
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function die_if_not_set() {
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(
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local exitcode=$?
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set +o xtrace
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local evar=$1; shift
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if ! is_set $evar || [ $exitcode != 0 ]; then
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set +o xtrace
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echo $@
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exit -1
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fi
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)
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}
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# Grab a numbered field from python prettytable output
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# Fields are numbered starting with 1
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# Reverse syntax is supported: -1 is the last field, -2 is second to last, etc.
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# get_field field-number
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function get_field() {
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while read data; do
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if [ "$1" -lt 0 ]; then
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field="(\$(NF$1))"
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else
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field="\$$(($1 + 1))"
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fi
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echo "$data" | awk -F'[ \t]*\\|[ \t]*' "{print $field}"
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done
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}
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# get_packages() collects a list of package names of any type from the
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# prerequisite files in ``files/{apts|rpms}``. The list is intended
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# to be passed to a package installer such as apt or yum.
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#
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# Only packages required for the services in ``ENABLED_SERVICES`` will be
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# included. Two bits of metadata are recognized in the prerequisite files:
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# - ``# NOPRIME`` defers installation to be performed later in stack.sh
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# - ``# dist:DISTRO`` or ``dist:DISTRO1,DISTRO2`` limits the selection
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# of the package to the distros listed. The distro names are case insensitive.
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#
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# Uses globals ``ENABLED_SERVICES``
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# get_packages dir
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function get_packages() {
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local package_dir=$1
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local file_to_parse
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local service
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if [[ -z "$package_dir" ]]; then
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echo "No package directory supplied"
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return 1
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fi
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if [[ -z "$DISTRO" ]]; then
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GetDistro
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fi
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for service in general ${ENABLED_SERVICES//,/ }; do
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# Allow individual services to specify dependencies
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if [[ -e ${package_dir}/${service} ]]; then
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file_to_parse="${file_to_parse} $service"
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fi
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# NOTE(sdague) n-api needs glance for now because that's where
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# glance client is
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if [[ $service == n-api ]]; then
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if [[ ! $file_to_parse =~ nova ]]; then
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file_to_parse="${file_to_parse} nova"
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fi
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if [[ ! $file_to_parse =~ glance ]]; then
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file_to_parse="${file_to_parse} glance"
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fi
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elif [[ $service == c-* ]]; then
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if [[ ! $file_to_parse =~ cinder ]]; then
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file_to_parse="${file_to_parse} cinder"
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fi
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elif [[ $service == ceilometer-* ]]; then
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if [[ ! $file_to_parse =~ ceilometer ]]; then
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file_to_parse="${file_to_parse} ceilometer"
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fi
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elif [[ $service == n-* ]]; then
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if [[ ! $file_to_parse =~ nova ]]; then
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file_to_parse="${file_to_parse} nova"
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fi
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elif [[ $service == g-* ]]; then
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if [[ ! $file_to_parse =~ glance ]]; then
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file_to_parse="${file_to_parse} glance"
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fi
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elif [[ $service == key* ]]; then
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if [[ ! $file_to_parse =~ keystone ]]; then
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file_to_parse="${file_to_parse} keystone"
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fi
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fi
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done
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for file in ${file_to_parse}; do
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local fname=${package_dir}/${file}
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local OIFS line package distros distro
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[[ -e $fname ]] || continue
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OIFS=$IFS
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IFS=$'\n'
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for line in $(<${fname}); do
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if [[ $line =~ "NOPRIME" ]]; then
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continue
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fi
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if [[ $line =~ (.*)#.*dist:([^ ]*) ]]; then
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# We are using BASH regexp matching feature.
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package=${BASH_REMATCH[1]}
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distros=${BASH_REMATCH[2]}
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# In bash ${VAR,,} will lowecase VAR
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[[ ${distros,,} =~ ${DISTRO,,} ]] && echo $package
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continue
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fi
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echo ${line%#*}
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done
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IFS=$OIFS
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done
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}
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# Determine OS Vendor, Release and Update
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# Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora
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# Returns results in global variables:
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# os_VENDOR - vendor name
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# os_RELEASE - release
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# os_UPDATE - update
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# os_PACKAGE - package type
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# os_CODENAME - vendor's codename for release
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# GetOSVersion
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GetOSVersion() {
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# Figure out which vendor we are
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if [[ -n "`which sw_vers 2>/dev/null`" ]]; then
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# OS/X
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os_VENDOR=`sw_vers -productName`
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os_RELEASE=`sw_vers -productVersion`
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os_UPDATE=${os_RELEASE##*.}
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os_RELEASE=${os_RELEASE%.*}
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os_PACKAGE=""
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if [[ "$os_RELEASE" =~ "10.7" ]]; then
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os_CODENAME="lion"
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elif [[ "$os_RELEASE" =~ "10.6" ]]; then
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os_CODENAME="snow leopard"
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elif [[ "$os_RELEASE" =~ "10.5" ]]; then
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os_CODENAME="leopard"
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elif [[ "$os_RELEASE" =~ "10.4" ]]; then
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os_CODENAME="tiger"
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elif [[ "$os_RELEASE" =~ "10.3" ]]; then
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os_CODENAME="panther"
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else
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os_CODENAME=""
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fi
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elif [[ -x $(which lsb_release 2>/dev/null) ]]; then
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os_VENDOR=$(lsb_release -i -s)
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os_RELEASE=$(lsb_release -r -s)
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os_UPDATE=""
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if [[ "Debian,Ubuntu" =~ $os_VENDOR ]]; then
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os_PACKAGE="deb"
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else
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os_PACKAGE="rpm"
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fi
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os_CODENAME=$(lsb_release -c -s)
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elif [[ -r /etc/redhat-release ]]; then
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# Red Hat Enterprise Linux Server release 5.5 (Tikanga)
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# CentOS release 5.5 (Final)
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# CentOS Linux release 6.0 (Final)
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# Fedora release 16 (Verne)
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os_CODENAME=""
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for r in "Red Hat" CentOS Fedora; do
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os_VENDOR=$r
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if [[ -n "`grep \"$r\" /etc/redhat-release`" ]]; then
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ver=`sed -e 's/^.* \(.*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release`
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os_CODENAME=${ver#*|}
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os_RELEASE=${ver%|*}
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os_UPDATE=${os_RELEASE##*.}
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os_RELEASE=${os_RELEASE%.*}
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break
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fi
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os_VENDOR=""
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done
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os_PACKAGE="rpm"
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fi
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export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME
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}
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# git update using reference as a branch.
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# git_update_branch ref
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function git_update_branch() {
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GIT_BRANCH=$1
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git checkout -f origin/$GIT_BRANCH
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# a local branch might not exist
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git branch -D $GIT_BRANCH || true
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git checkout -b $GIT_BRANCH
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}
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# git update using reference as a tag. Be careful editing source at that repo
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# as working copy will be in a detached mode
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# git_update_tag ref
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function git_update_tag() {
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GIT_TAG=$1
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git tag -d $GIT_TAG
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# fetching given tag only
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git fetch origin tag $GIT_TAG
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git checkout -f $GIT_TAG
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}
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# git update using reference as a branch.
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# git_update_remote_branch ref
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function git_update_remote_branch() {
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GIT_BRANCH=$1
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git checkout -b $GIT_BRANCH -t origin/$GIT_BRANCH
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}
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# Translate the OS version values into common nomenclature
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# Sets ``DISTRO`` from the ``os_*`` values
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function GetDistro() {
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GetOSVersion
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if [[ "$os_VENDOR" =~ (Ubuntu) ]]; then
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# 'Everyone' refers to Ubuntu releases by the code name adjective
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DISTRO=$os_CODENAME
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elif [[ "$os_VENDOR" =~ (Fedora) ]]; then
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# For Fedora, just use 'f' and the release
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DISTRO="f$os_RELEASE"
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else
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# Catch-all for now is Vendor + Release + Update
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DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE"
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fi
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export DISTRO
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}
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# git clone only if directory doesn't exist already. Since ``DEST`` might not
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# be owned by the installation user, we create the directory and change the
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# ownership to the proper user.
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# Set global RECLONE=yes to simulate a clone when dest-dir exists
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# Set global ERROR_ON_CLONE=True to abort execution with an error if the git repo
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# does not exist (default is False, meaning the repo will be cloned).
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# Uses global ``OFFLINE``
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# git_clone remote dest-dir branch
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function git_clone {
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[[ "$OFFLINE" = "True" ]] && return
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GIT_REMOTE=$1
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GIT_DEST=$2
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GIT_REF=$3
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if echo $GIT_REF | egrep -q "^refs"; then
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# If our branch name is a gerrit style refs/changes/...
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if [[ ! -d $GIT_DEST ]]; then
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[[ "$ERROR_ON_CLONE" = "True" ]] && exit 1
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git clone $GIT_REMOTE $GIT_DEST
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fi
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cd $GIT_DEST
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git fetch $GIT_REMOTE $GIT_REF && git checkout FETCH_HEAD
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else
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# do a full clone only if the directory doesn't exist
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if [[ ! -d $GIT_DEST ]]; then
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[[ "$ERROR_ON_CLONE" = "True" ]] && exit 1
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git clone $GIT_REMOTE $GIT_DEST
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cd $GIT_DEST
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# This checkout syntax works for both branches and tags
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git checkout $GIT_REF
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elif [[ "$RECLONE" == "yes" ]]; then
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# if it does exist then simulate what clone does if asked to RECLONE
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cd $GIT_DEST
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# set the url to pull from and fetch
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git remote set-url origin $GIT_REMOTE
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git fetch origin
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# remove the existing ignored files (like pyc) as they cause breakage
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# (due to the py files having older timestamps than our pyc, so python
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# thinks the pyc files are correct using them)
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find $GIT_DEST -name '*.pyc' -delete
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# handle GIT_REF accordingly to type (tag, branch)
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if [[ -n "`git show-ref refs/tags/$GIT_REF`" ]]; then
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git_update_tag $GIT_REF
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elif [[ -n "`git show-ref refs/heads/$GIT_REF`" ]]; then
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git_update_branch $GIT_REF
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elif [[ -n "`git show-ref refs/remotes/origin/$GIT_REF`" ]]; then
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git_update_remote_branch $GIT_REF
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else
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echo $GIT_REF is neither branch nor tag
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exit 1
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fi
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fi
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fi
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}
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# Comment an option in an INI file
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# inicomment config-file section option
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function inicomment() {
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local file=$1
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local section=$2
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local option=$3
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sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" $file
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}
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# Uncomment an option in an INI file
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# iniuncomment config-file section option
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function iniuncomment() {
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local file=$1
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local section=$2
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local option=$3
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sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" $file
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}
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# Get an option from an INI file
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# iniget config-file section option
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function iniget() {
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local file=$1
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local section=$2
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local option=$3
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local line
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line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" $file)
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echo ${line#*=}
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}
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# Set an option in an INI file
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# iniset config-file section option value
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function iniset() {
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local file=$1
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local section=$2
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local option=$3
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local value=$4
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if ! grep -q "^\[$section\]" $file; then
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# Add section at the end
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echo -e "\n[$section]" >>$file
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fi
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if [[ -z "$(iniget $file $section $option)" ]]; then
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# Add it
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sed -i -e "/^\[$section\]/ a\\
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$option = $value
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" $file
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else
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# Replace it
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sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" $file
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fi
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}
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# is_service_enabled() checks if the service(s) specified as arguments are
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# enabled by the user in ``ENABLED_SERVICES``.
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#
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# Multiple services specified as arguments are ``OR``'ed together; the test
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# is a short-circuit boolean, i.e it returns on the first match.
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#
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# There are special cases for some 'catch-all' services::
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# **nova** returns true if any service enabled start with **n-**
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# **cinder** returns true if any service enabled start with **c-**
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# **ceilometer** returns true if any service enabled start with **ceilometer**
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# **glance** returns true if any service enabled start with **g-**
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# **quantum** returns true if any service enabled start with **q-**
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#
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# Uses global ``ENABLED_SERVICES``
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# is_service_enabled service [service ...]
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function is_service_enabled() {
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services=$@
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for service in ${services}; do
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[[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && return 0
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[[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && return 0
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[[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && return 0
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[[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && return 0
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[[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && return 0
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[[ ${service} == "quantum" && ${ENABLED_SERVICES} =~ "q-" ]] && return 0
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done
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return 1
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}
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# remove extra commas from the input string (i.e. ``ENABLED_SERVICES``)
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# _cleanup_service_list service-list
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function _cleanup_service_list () {
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echo "$1" | sed -e '
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s/,,/,/g;
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s/^,//;
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s/,$//
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'
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}
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# enable_service() adds the services passed as argument to the
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# ``ENABLED_SERVICES`` list, if they are not already present.
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#
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# For example:
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# enable_service n-vol
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#
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# This function does not know about the special cases
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# for nova, glance, and quantum built into is_service_enabled().
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# Uses global ``ENABLED_SERVICES``
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# enable_service service [service ...]
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function enable_service() {
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local tmpsvcs="${ENABLED_SERVICES}"
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for service in $@; do
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if ! is_service_enabled $service; then
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tmpsvcs+=",$service"
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fi
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done
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ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
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disable_negated_services
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}
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# disable_service() removes the services passed as argument to the
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# ``ENABLED_SERVICES`` list, if they are present.
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#
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# For example:
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# disable_service n-vol
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#
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# This function does not know about the special cases
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# for nova, glance, and quantum built into is_service_enabled().
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# Uses global ``ENABLED_SERVICES``
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# disable_service service [service ...]
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function disable_service() {
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local tmpsvcs=",${ENABLED_SERVICES},"
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local service
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for service in $@; do
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if is_service_enabled $service; then
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tmpsvcs=${tmpsvcs//,$service,/,}
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fi
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done
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ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
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}
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# disable_all_services() removes all current services
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# from ``ENABLED_SERVICES`` to reset the configuration
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# before a minimal installation
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# Uses global ``ENABLED_SERVICES``
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|
# disable_all_services
|
|
function disable_all_services() {
|
|
ENABLED_SERVICES=""
|
|
}
|
|
|
|
|
|
# Remove all services starting with '-'. For example, to install all default
|
|
# services except nova-volume (n-vol) set in ``localrc``:
|
|
# ENABLED_SERVICES+=",-n-vol"
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# disable_negated_services
|
|
function disable_negated_services() {
|
|
local tmpsvcs="${ENABLED_SERVICES}"
|
|
local service
|
|
for service in ${tmpsvcs//,/ }; do
|
|
if [[ ${service} == -* ]]; then
|
|
tmpsvcs=$(echo ${tmpsvcs}|sed -r "s/(,)?(-)?${service#-}(,)?/,/g")
|
|
fi
|
|
done
|
|
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
|
|
}
|
|
|
|
|
|
# Distro-agnostic package installer
|
|
# install_package package [package ...]
|
|
function install_package() {
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
[[ "$NO_UPDATE_REPOS" = "True" ]] || apt_get update
|
|
NO_UPDATE_REPOS=True
|
|
|
|
apt_get install "$@"
|
|
else
|
|
yum_install "$@"
|
|
fi
|
|
}
|
|
|
|
|
|
# Distro-agnostic function to tell if a package is installed
|
|
# is_package_installed package [package ...]
|
|
function is_package_installed() {
|
|
if [[ -z "$@" ]]; then
|
|
return 1
|
|
fi
|
|
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
dpkg -l "$@" > /dev/null
|
|
return $?
|
|
else
|
|
rpm --quiet -q "$@"
|
|
return $?
|
|
fi
|
|
}
|
|
|
|
|
|
# Test if the named environment variable is set and not zero length
|
|
# is_set env-var
|
|
function is_set() {
|
|
local var=\$"$1"
|
|
if eval "[ -z $var ]"; then
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
|
|
# Wrapper for ``pip install`` to set cache and proxy environment variables
|
|
# Uses globals ``OFFLINE``, ``PIP_DOWNLOAD_CACHE``, ``TRACK_DEPENDES``, ``*_proxy`
|
|
# pip_install package [package ...]
|
|
function pip_install {
|
|
[[ "$OFFLINE" = "True" || -z "$@" ]] && return
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ $TRACK_DEPENDS = True ]] ; then
|
|
source $DEST/.venv/bin/activate
|
|
CMD_PIP=$DEST/.venv/bin/pip
|
|
SUDO_PIP="env"
|
|
else
|
|
SUDO_PIP="sudo"
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
CMD_PIP=/usr/bin/pip
|
|
else
|
|
CMD_PIP=/usr/bin/pip-python
|
|
fi
|
|
fi
|
|
$SUDO_PIP PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE:-/var/cache/pip} \
|
|
HTTP_PROXY=$http_proxy \
|
|
HTTPS_PROXY=$https_proxy \
|
|
NO_PROXY=$no_proxy \
|
|
$CMD_PIP install --use-mirrors $@
|
|
}
|
|
|
|
|
|
# Service wrapper to restart services
|
|
# restart_service service-name
|
|
function restart_service() {
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
sudo /usr/sbin/service $1 restart
|
|
else
|
|
sudo /sbin/service $1 restart
|
|
fi
|
|
}
|
|
|
|
|
|
# Helper to launch a service in a named screen
|
|
# screen_it service "command-line"
|
|
function screen_it {
|
|
NL=`echo -ne '\015'`
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
if is_service_enabled $1; then
|
|
# Append the service to the screen rc file
|
|
screen_rc "$1" "$2"
|
|
|
|
screen -S $SCREEN_NAME -X screen -t $1
|
|
# sleep to allow bash to be ready to be send the command - we are
|
|
# creating a new window in screen and then sends characters, so if
|
|
# bash isn't running by the time we send the command, nothing happens
|
|
sleep 1.5
|
|
|
|
if [[ -n ${SCREEN_LOGDIR} ]]; then
|
|
screen -S $SCREEN_NAME -p $1 -X logfile ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log
|
|
screen -S $SCREEN_NAME -p $1 -X log on
|
|
ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log
|
|
fi
|
|
screen -S $SCREEN_NAME -p $1 -X stuff "$2$NL"
|
|
fi
|
|
}
|
|
|
|
|
|
# Screen rc file builder
|
|
# screen_rc service "command-line"
|
|
function screen_rc {
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SCREENRC=$TOP_DIR/$SCREEN_NAME-screenrc
|
|
if [[ ! -e $SCREENRC ]]; then
|
|
# Name the screen session
|
|
echo "sessionname $SCREEN_NAME" > $SCREENRC
|
|
# Set a reasonable statusbar
|
|
echo "hardstatus alwayslastline '$SCREEN_HARDSTATUS'" >> $SCREENRC
|
|
echo "screen -t shell bash" >> $SCREENRC
|
|
fi
|
|
# If this service doesn't already exist in the screenrc file
|
|
if ! grep $1 $SCREENRC 2>&1 > /dev/null; then
|
|
NL=`echo -ne '\015'`
|
|
echo "screen -t $1 bash" >> $SCREENRC
|
|
echo "stuff \"$2$NL\"" >> $SCREENRC
|
|
fi
|
|
}
|
|
|
|
|
|
# ``pip install`` the dependencies of the package before ``setup.py develop``
|
|
# so pip and not distutils processes the dependency chain
|
|
# Uses globals ``TRACK_DEPENDES``, ``*_proxy`
|
|
# setup_develop directory
|
|
function setup_develop() {
|
|
if [[ $TRACK_DEPENDS = True ]] ; then
|
|
SUDO_CMD="env"
|
|
else
|
|
SUDO_CMD="sudo"
|
|
fi
|
|
(cd $1; \
|
|
python setup.py egg_info; \
|
|
raw_links=$(awk '/^.+/ {print "-f " $1}' *.egg-info/dependency_links.txt); \
|
|
depend_links=$(echo $raw_links | xargs); \
|
|
require_file=$([ ! -r *-info/requires.txt ] || echo "-r *-info/requires.txt"); \
|
|
pip_install $require_file $depend_links; \
|
|
$SUDO_CMD \
|
|
HTTP_PROXY=$http_proxy \
|
|
HTTPS_PROXY=$https_proxy \
|
|
NO_PROXY=$no_proxy \
|
|
python setup.py develop \
|
|
)
|
|
}
|
|
|
|
|
|
# Service wrapper to start services
|
|
# start_service service-name
|
|
function start_service() {
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
sudo /usr/sbin/service $1 start
|
|
else
|
|
sudo /sbin/service $1 start
|
|
fi
|
|
}
|
|
|
|
|
|
# Service wrapper to stop services
|
|
# stop_service service-name
|
|
function stop_service() {
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
sudo /usr/sbin/service $1 stop
|
|
else
|
|
sudo /sbin/service $1 stop
|
|
fi
|
|
}
|
|
|
|
|
|
# Normalize config values to True or False
|
|
# Accepts as False: 0 no false False FALSE
|
|
# Accepts as True: 1 yes true True TRUE
|
|
# VAR=$(trueorfalse default-value test-value)
|
|
function trueorfalse() {
|
|
local default=$1
|
|
local testval=$2
|
|
|
|
[[ -z "$testval" ]] && { echo "$default"; return; }
|
|
[[ "0 no false False FALSE" =~ "$testval" ]] && { echo "False"; return; }
|
|
[[ "1 yes true True TRUE" =~ "$testval" ]] && { echo "True"; return; }
|
|
echo "$default"
|
|
}
|
|
|
|
|
|
# Retrieve an image from a URL and upload into Glance
|
|
# Uses the following variables:
|
|
# ``FILES`` must be set to the cache dir
|
|
# ``GLANCE_HOSTPORT``
|
|
# upload_image image-url glance-token
|
|
function upload_image() {
|
|
local image_url=$1
|
|
local token=$2
|
|
|
|
# Create a directory for the downloaded image tarballs.
|
|
mkdir -p $FILES/images
|
|
|
|
# Downloads the image (uec ami+aki style), then extracts it.
|
|
IMAGE_FNAME=`basename "$image_url"`
|
|
if [[ ! -f $FILES/$IMAGE_FNAME || "$(stat -c "%s" $FILES/$IMAGE_FNAME)" = "0" ]]; then
|
|
wget -c $image_url -O $FILES/$IMAGE_FNAME
|
|
if [[ $? -ne 0 ]]; then
|
|
echo "Not found: $image_url"
|
|
return
|
|
fi
|
|
fi
|
|
|
|
# OpenVZ-format images are provided as .tar.gz, but not decompressed prior to loading
|
|
if [[ "$image_url" =~ 'openvz' ]]; then
|
|
IMAGE="$FILES/${IMAGE_FNAME}"
|
|
IMAGE_NAME="${IMAGE_FNAME%.tar.gz}"
|
|
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --is-public=True --container-format ami --disk-format ami < "${IMAGE}"
|
|
return
|
|
fi
|
|
|
|
KERNEL=""
|
|
RAMDISK=""
|
|
DISK_FORMAT=""
|
|
CONTAINER_FORMAT=""
|
|
UNPACK=""
|
|
case "$IMAGE_FNAME" in
|
|
*.tar.gz|*.tgz)
|
|
# Extract ami and aki files
|
|
[ "${IMAGE_FNAME%.tar.gz}" != "$IMAGE_FNAME" ] &&
|
|
IMAGE_NAME="${IMAGE_FNAME%.tar.gz}" ||
|
|
IMAGE_NAME="${IMAGE_FNAME%.tgz}"
|
|
xdir="$FILES/images/$IMAGE_NAME"
|
|
rm -Rf "$xdir";
|
|
mkdir "$xdir"
|
|
tar -zxf $FILES/$IMAGE_FNAME -C "$xdir"
|
|
KERNEL=$(for f in "$xdir/"*-vmlinuz* "$xdir/"aki-*/image; do
|
|
[ -f "$f" ] && echo "$f" && break; done; true)
|
|
RAMDISK=$(for f in "$xdir/"*-initrd* "$xdir/"ari-*/image; do
|
|
[ -f "$f" ] && echo "$f" && break; done; true)
|
|
IMAGE=$(for f in "$xdir/"*.img "$xdir/"ami-*/image; do
|
|
[ -f "$f" ] && echo "$f" && break; done; true)
|
|
if [[ -z "$IMAGE_NAME" ]]; then
|
|
IMAGE_NAME=$(basename "$IMAGE" ".img")
|
|
fi
|
|
;;
|
|
*.img)
|
|
IMAGE="$FILES/$IMAGE_FNAME";
|
|
IMAGE_NAME=$(basename "$IMAGE" ".img")
|
|
format=$(qemu-img info ${IMAGE} | awk '/^file format/ { print $3; exit }')
|
|
if [[ ",qcow2,raw,vdi,vmdk,vpc," =~ ",$format," ]]; then
|
|
DISK_FORMAT=$format
|
|
else
|
|
DISK_FORMAT=raw
|
|
fi
|
|
CONTAINER_FORMAT=bare
|
|
;;
|
|
*.img.gz)
|
|
IMAGE="$FILES/${IMAGE_FNAME}"
|
|
IMAGE_NAME=$(basename "$IMAGE" ".img.gz")
|
|
DISK_FORMAT=raw
|
|
CONTAINER_FORMAT=bare
|
|
UNPACK=zcat
|
|
;;
|
|
*.qcow2)
|
|
IMAGE="$FILES/${IMAGE_FNAME}"
|
|
IMAGE_NAME=$(basename "$IMAGE" ".qcow2")
|
|
DISK_FORMAT=qcow2
|
|
CONTAINER_FORMAT=bare
|
|
;;
|
|
*) echo "Do not know what to do with $IMAGE_FNAME"; false;;
|
|
esac
|
|
|
|
if [ "$CONTAINER_FORMAT" = "bare" ]; then
|
|
if [ "$UNPACK" = "zcat" ]; then
|
|
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --public --container-format=$CONTAINER_FORMAT --disk-format $DISK_FORMAT < <(zcat --force "${IMAGE}")
|
|
else
|
|
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --public --container-format=$CONTAINER_FORMAT --disk-format $DISK_FORMAT < "${IMAGE}"
|
|
fi
|
|
else
|
|
# Use glance client to add the kernel the root filesystem.
|
|
# We parse the results of the first upload to get the glance ID of the
|
|
# kernel for use when uploading the root filesystem.
|
|
KERNEL_ID=""; RAMDISK_ID="";
|
|
if [ -n "$KERNEL" ]; then
|
|
KERNEL_ID=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME-kernel" --public --container-format aki --disk-format aki < "$KERNEL" | grep ' id ' | get_field 2)
|
|
fi
|
|
if [ -n "$RAMDISK" ]; then
|
|
RAMDISK_ID=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME-ramdisk" --public --container-format ari --disk-format ari < "$RAMDISK" | grep ' id ' | get_field 2)
|
|
fi
|
|
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "${IMAGE_NAME%.img}" --public --container-format ami --disk-format ami ${KERNEL_ID:+--property kernel_id=$KERNEL_ID} ${RAMDISK_ID:+--property ramdisk_id=$RAMDISK_ID} < "${IMAGE}"
|
|
fi
|
|
}
|
|
|
|
|
|
# Wrapper for ``yum`` to set proxy environment variables
|
|
# Uses globals ``OFFLINE``, ``*_proxy`
|
|
# yum_install package [package ...]
|
|
function yum_install() {
|
|
[[ "$OFFLINE" = "True" ]] && return
|
|
local sudo="sudo"
|
|
[[ "$(id -u)" = "0" ]] && sudo="env"
|
|
$sudo http_proxy=$http_proxy https_proxy=$https_proxy \
|
|
no_proxy=$no_proxy \
|
|
yum install -y "$@"
|
|
}
|
|
|
|
|
|
# Restore xtrace
|
|
$XTRACE
|
|
|
|
|
|
# Local variables:
|
|
# -*- mode: Shell-script -*-
|
|
# End:
|