openstack/devstack
Code Issues Proposed changes
047cac56e1
devstack/functions

1848 lines
58 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# functions - Common functions used by DevStack components
#
# The following variables are assumed to be defined by certain functions:
#
# - ``ENABLED_SERVICES``
# - ``ERROR_ON_CLONE``
# - ``FILES``
# - ``GLANCE_HOSTPORT``
# - ``OFFLINE``
# - ``PIP_DOWNLOAD_CACHE``
# - ``PIP_USE_MIRRORS``
# - ``RECLONE``
# - ``TRACK_DEPENDS``
# - ``http_proxy``, ``https_proxy``, ``no_proxy``
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Convert CIDR notation to a IPv4 netmask
# cidr2netmask cidr-bits
function cidr2netmask() {
local maskpat="255 255 255 255"
local maskdgt="254 252 248 240 224 192 128"
set -- ${maskpat:0:$(( ($1 / 8) * 4 ))}${maskdgt:$(( (7 - ($1 % 8)) * 4 )):3}
echo ${1-0}.${2-0}.${3-0}.${4-0}
}
# Return the network portion of the given IP address using netmask
# netmask is in the traditional dotted-quad format
# maskip ip-address netmask
function maskip() {
local ip=$1
local mask=$2
local l="${ip%.*}"; local r="${ip#*.}"; local n="${mask%.*}"; local m="${mask#*.}"
local subnet=$((${ip%%.*}&${mask%%.*})).$((${r%%.*}&${m%%.*})).$((${l##*.}&${n##*.})).$((${ip##*.}&${mask##*.}))
echo $subnet
}
# Exit 0 if address is in network or 1 if address is not in network
# ip-range is in CIDR notation: 1.2.3.4/20
# address_in_net ip-address ip-range
function address_in_net() {
local ip=$1
local range=$2
local masklen=${range#*/}
local network=$(maskip ${range%/*} $(cidr2netmask $masklen))
local subnet=$(maskip $ip $(cidr2netmask $masklen))
[[ $network == $subnet ]]
}
# Wrapper for ``apt-get`` to set cache and proxy environment variables
# Uses globals ``OFFLINE``, ``*_proxy``
# apt_get operation package [package ...]
function apt_get() {
[[ "$OFFLINE" = "True" || -z "$@" ]] && return
local sudo="sudo"
[[ "$(id -u)" = "0" ]] && sudo="env"
$sudo DEBIAN_FRONTEND=noninteractive \
http_proxy=$http_proxy https_proxy=$https_proxy \
no_proxy=$no_proxy \
apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@"
}
# Gracefully cp only if source file/dir exists
# cp_it source destination
function cp_it {
if [ -e $1 ] || [ -d $1 ]; then
cp -pRL $1 $2
fi
}
# Prints backtrace info
# filename:lineno:function
function backtrace {
local level=$1
local deep=$((${#BASH_SOURCE[@]} - 1))
echo "[Call Trace]"
while [ $level -le $deep ]; do
echo "${BASH_SOURCE[$deep]}:${BASH_LINENO[$deep-1]}:${FUNCNAME[$deep-1]}"
deep=$((deep - 1))
done
}
# Prints line number and "message" then exits
# die $LINENO "message"
function die() {
local exitcode=$?
set +o xtrace
local line=$1; shift
if [ $exitcode == 0 ]; then
exitcode=1
fi
backtrace 2
err $line "$*"
exit $exitcode
}
# Checks an environment variable is not set or has length 0 OR if the
# exit code is non-zero and prints "message" and exits
# NOTE: env-var is the variable name without a '$'
# die_if_not_set $LINENO env-var "message"
function die_if_not_set() {
local exitcode=$?
FXTRACE=$(set +o | grep xtrace)
set +o xtrace
local line=$1; shift
local evar=$1; shift
if ! is_set $evar || [ $exitcode != 0 ]; then
die $line "$*"
fi
$FXTRACE
}
# Prints line number and "message" in error format
# err $LINENO "message"
function err() {
local exitcode=$?
errXTRACE=$(set +o | grep xtrace)
set +o xtrace
local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"
echo $msg 1>&2;
if [[ -n ${SCREEN_LOGDIR} ]]; then
echo $msg >> "${SCREEN_LOGDIR}/error.log"
fi
$errXTRACE
return $exitcode
}
# Checks an environment variable is not set or has length 0 OR if the
# exit code is non-zero and prints "message"
# NOTE: env-var is the variable name without a '$'
# err_if_not_set $LINENO env-var "message"
function err_if_not_set() {
local exitcode=$?
errinsXTRACE=$(set +o | grep xtrace)
set +o xtrace
local line=$1; shift
local evar=$1; shift
if ! is_set $evar || [ $exitcode != 0 ]; then
err $line "$*"
fi
$errinsXTRACE
return $exitcode
}
# Prints line number and "message" in warning format
# warn $LINENO "message"
function warn() {
local exitcode=$?
errXTRACE=$(set +o | grep xtrace)
set +o xtrace
local msg="[WARNING] ${BASH_SOURCE[2]}:$1 $2"
echo $msg 1>&2;
if [[ -n ${SCREEN_LOGDIR} ]]; then
echo $msg >> "${SCREEN_LOGDIR}/error.log"
fi
$errXTRACE
return $exitcode
}
# HTTP and HTTPS proxy servers are supported via the usual environment variables [1]
# ``http_proxy``, ``https_proxy`` and ``no_proxy``. They can be set in
# ``localrc`` or on the command line if necessary::
#
# [1] http://www.w3.org/Daemon/User/Proxies/ProxyClients.html
#
# http_proxy=http://proxy.example.com:3128/ no_proxy=repo.example.net ./stack.sh
function export_proxy_variables() {
if [[ -n "$http_proxy" ]]; then
export http_proxy=$http_proxy
fi
if [[ -n "$https_proxy" ]]; then
export https_proxy=$https_proxy
fi
if [[ -n "$no_proxy" ]]; then
export no_proxy=$no_proxy
fi
}
# Grab a numbered field from python prettytable output
# Fields are numbered starting with 1
# Reverse syntax is supported: -1 is the last field, -2 is second to last, etc.
# get_field field-number
function get_field() {
while read data; do
if [ "$1" -lt 0 ]; then
field="(\$(NF$1))"
else
field="\$$(($1 + 1))"
fi
echo "$data" | awk -F'[ \t]*\\|[ \t]*' "{print $field}"
done
}
# Get the default value for HOST_IP
# get_default_host_ip fixed_range floating_range host_ip_iface host_ip
function get_default_host_ip() {
local fixed_range=$1
local floating_range=$2
local host_ip_iface=$3
local host_ip=$4
# Find the interface used for the default route
host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}
# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then
host_ip=""
host_ips=`LC_ALL=C ip -f inet addr show ${host_ip_iface} | awk '/inet/ {split($2,parts,"/"); print parts[1]}'`
for IP in $host_ips; do
# Attempt to filter out IP addresses that are part of the fixed and
# floating range. Note that this method only works if the ``netaddr``
# python library is installed. If it is not installed, an error
# will be printed and the first IP from the interface will be used.
# If that is not correct set ``HOST_IP`` in ``localrc`` to the correct
# address.
if ! (address_in_net $IP $fixed_range || address_in_net $IP $floating_range); then
host_ip=$IP
break;
fi
done
fi
echo $host_ip
}
function _get_package_dir() {
local pkg_dir
if is_ubuntu; then
pkg_dir=$FILES/apts
elif is_fedora; then
pkg_dir=$FILES/rpms
elif is_suse; then
pkg_dir=$FILES/rpms-suse
else
exit_distro_not_supported "list of packages"
fi
echo "$pkg_dir"
}
# get_packages() collects a list of package names of any type from the
# prerequisite files in ``files/{apts|rpms}``. The list is intended
# to be passed to a package installer such as apt or yum.
#
# Only packages required for the services in 1st argument will be
# included. Two bits of metadata are recognized in the prerequisite files:
#
# - ``# NOPRIME`` defers installation to be performed later in `stack.sh`
# - ``# dist:DISTRO`` or ``dist:DISTRO1,DISTRO2`` limits the selection
# of the package to the distros listed. The distro names are case insensitive.
function get_packages() {
local services=$@
local package_dir=$(_get_package_dir)
local file_to_parse
local service
if [[ -z "$package_dir" ]]; then
echo "No package directory supplied"
return 1
fi
if [[ -z "$DISTRO" ]]; then
GetDistro
fi
for service in ${services//,/ }; do
# Allow individual services to specify dependencies
if [[ -e ${package_dir}/${service} ]]; then
file_to_parse="${file_to_parse} $service"
fi
# NOTE(sdague) n-api needs glance for now because that's where
# glance client is
if [[ $service == n-api ]]; then
if [[ ! $file_to_parse =~ nova ]]; then
file_to_parse="${file_to_parse} nova"
fi
if [[ ! $file_to_parse =~ glance ]]; then
file_to_parse="${file_to_parse} glance"
fi
elif [[ $service == c-* ]]; then
if [[ ! $file_to_parse =~ cinder ]]; then
file_to_parse="${file_to_parse} cinder"
fi
elif [[ $service == ceilometer-* ]]; then
if [[ ! $file_to_parse =~ ceilometer ]]; then
file_to_parse="${file_to_parse} ceilometer"
fi
elif [[ $service == s-* ]]; then
if [[ ! $file_to_parse =~ swift ]]; then
file_to_parse="${file_to_parse} swift"
fi
elif [[ $service == n-* ]]; then
if [[ ! $file_to_parse =~ nova ]]; then
file_to_parse="${file_to_parse} nova"
fi
elif [[ $service == g-* ]]; then
if [[ ! $file_to_parse =~ glance ]]; then
file_to_parse="${file_to_parse} glance"
fi
elif [[ $service == key* ]]; then
if [[ ! $file_to_parse =~ keystone ]]; then
file_to_parse="${file_to_parse} keystone"
fi
elif [[ $service == q-* ]]; then
if [[ ! $file_to_parse =~ neutron ]]; then
file_to_parse="${file_to_parse} neutron"
fi
fi
done
for file in ${file_to_parse}; do
local fname=${package_dir}/${file}
local OIFS line package distros distro
[[ -e $fname ]] || continue
OIFS=$IFS
IFS=$'\n'
for line in $(<${fname}); do
if [[ $line =~ "NOPRIME" ]]; then
continue
fi
# Assume we want this package
package=${line%#*}
inst_pkg=1
# Look for # dist:xxx in comment
if [[ $line =~ (.*)#.*dist:([^ ]*) ]]; then
# We are using BASH regexp matching feature.
package=${BASH_REMATCH[1]}
distros=${BASH_REMATCH[2]}
# In bash ${VAR,,} will lowecase VAR
# Look for a match in the distro list
if [[ ! ${distros,,} =~ ${DISTRO,,} ]]; then
# If no match then skip this package
inst_pkg=0
fi
fi
# Look for # testonly in comment
if [[ $line =~ (.*)#.*testonly.* ]]; then
package=${BASH_REMATCH[1]}
# Are we installing test packages? (test for the default value)
if [[ $INSTALL_TESTONLY_PACKAGES = "False" ]]; then
# If not installing test packages the skip this package
inst_pkg=0
fi
fi
if [[ $inst_pkg = 1 ]]; then
echo $package
fi
done
IFS=$OIFS
done
}
# Determine OS Vendor, Release and Update
# Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora
# Returns results in global variables:
# os_VENDOR - vendor name
# os_RELEASE - release
# os_UPDATE - update
# os_PACKAGE - package type
# os_CODENAME - vendor's codename for release
# GetOSVersion
GetOSVersion() {
# Figure out which vendor we are
if [[ -x "`which sw_vers 2>/dev/null`" ]]; then
# OS/X
os_VENDOR=`sw_vers -productName`
os_RELEASE=`sw_vers -productVersion`
os_UPDATE=${os_RELEASE##*.}
os_RELEASE=${os_RELEASE%.*}
os_PACKAGE=""
if [[ "$os_RELEASE" =~ "10.7" ]]; then
os_CODENAME="lion"
elif [[ "$os_RELEASE" =~ "10.6" ]]; then
os_CODENAME="snow leopard"
elif [[ "$os_RELEASE" =~ "10.5" ]]; then
os_CODENAME="leopard"
elif [[ "$os_RELEASE" =~ "10.4" ]]; then
os_CODENAME="tiger"
elif [[ "$os_RELEASE" =~ "10.3" ]]; then
os_CODENAME="panther"
else
os_CODENAME=""
fi
elif [[ -x $(which lsb_release 2>/dev/null) ]]; then
os_VENDOR=$(lsb_release -i -s)
os_RELEASE=$(lsb_release -r -s)
os_UPDATE=""
os_PACKAGE="rpm"
if [[ "Debian,Ubuntu,LinuxMint" =~ $os_VENDOR ]]; then
os_PACKAGE="deb"
elif [[ "SUSE LINUX" =~ $os_VENDOR ]]; then
lsb_release -d -s | grep -q openSUSE
if [[ $? -eq 0 ]]; then
os_VENDOR="openSUSE"
fi
elif [[ $os_VENDOR == "openSUSE project" ]]; then
os_VENDOR="openSUSE"
elif [[ $os_VENDOR =~ Red.*Hat ]]; then
os_VENDOR="Red Hat"
fi
os_CODENAME=$(lsb_release -c -s)
elif [[ -r /etc/redhat-release ]]; then
# Red Hat Enterprise Linux Server release 5.5 (Tikanga)
# CentOS release 5.5 (Final)
# CentOS Linux release 6.0 (Final)
# Fedora release 16 (Verne)
# XenServer release 6.2.0-70446c (xenenterprise)
os_CODENAME=""
for r in "Red Hat" CentOS Fedora XenServer; do
os_VENDOR=$r
if [[ -n "`grep \"$r\" /etc/redhat-release`" ]]; then
ver=`sed -e 's/^.* \(.*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release`
os_CODENAME=${ver#*|}
os_RELEASE=${ver%|*}
os_UPDATE=${os_RELEASE##*.}
os_RELEASE=${os_RELEASE%.*}
break
fi
os_VENDOR=""
done
os_PACKAGE="rpm"
elif [[ -r /etc/SuSE-release ]]; then
for r in openSUSE "SUSE Linux"; do
if [[ "$r" = "SUSE Linux" ]]; then
os_VENDOR="SUSE LINUX"
else
os_VENDOR=$r
fi
if [[ -n "`grep \"$r\" /etc/SuSE-release`" ]]; then
os_CODENAME=`grep "CODENAME = " /etc/SuSE-release | sed 's:.* = ::g'`
os_RELEASE=`grep "VERSION = " /etc/SuSE-release | sed 's:.* = ::g'`
os_UPDATE=`grep "PATCHLEVEL = " /etc/SuSE-release | sed 's:.* = ::g'`
break
fi
os_VENDOR=""
done
os_PACKAGE="rpm"
# If lsb_release is not installed, we should be able to detect Debian OS
elif [[ -f /etc/debian_version ]] && [[ $(cat /proc/version) =~ "Debian" ]]; then
os_VENDOR="Debian"
os_PACKAGE="deb"
os_CODENAME=$(awk '/VERSION=/' /etc/os-release | sed 's/VERSION=//' | sed -r 's/\"|\(|\)//g' | awk '{print $2}')
os_RELEASE=$(awk '/VERSION_ID=/' /etc/os-release | sed 's/VERSION_ID=//' | sed 's/\"//g')
fi
export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME
}
# Translate the OS version values into common nomenclature
# Sets ``DISTRO`` from the ``os_*`` values
function GetDistro() {
GetOSVersion
if [[ "$os_VENDOR" =~ (Ubuntu) || "$os_VENDOR" =~ (Debian) ]]; then
# 'Everyone' refers to Ubuntu / Debian releases by the code name adjective
DISTRO=$os_CODENAME
elif [[ "$os_VENDOR" =~ (Fedora) ]]; then
# For Fedora, just use 'f' and the release
DISTRO="f$os_RELEASE"
elif [[ "$os_VENDOR" =~ (openSUSE) ]]; then
DISTRO="opensuse-$os_RELEASE"
elif [[ "$os_VENDOR" =~ (SUSE LINUX) ]]; then
# For SLE, also use the service pack
if [[ -z "$os_UPDATE" ]]; then
DISTRO="sle${os_RELEASE}"
else
DISTRO="sle${os_RELEASE}sp${os_UPDATE}"
fi
elif [[ "$os_VENDOR" =~ (Red Hat) || "$os_VENDOR" =~ (CentOS) ]]; then
# Drop the . release as we assume it's compatible
DISTRO="rhel${os_RELEASE::1}"
elif [[ "$os_VENDOR" =~ (XenServer) ]]; then
DISTRO="xs$os_RELEASE"
else
# Catch-all for now is Vendor + Release + Update
DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE"
fi
export DISTRO
}
# Determine if current distribution is a Fedora-based distribution
# (Fedora, RHEL, CentOS, etc).
# is_fedora
function is_fedora {
if [[ -z "$os_VENDOR" ]]; then
GetOSVersion
fi
[ "$os_VENDOR" = "Fedora" ] || [ "$os_VENDOR" = "Red Hat" ] || [ "$os_VENDOR" = "CentOS" ]
}
# Determine if current distribution is a SUSE-based distribution
# (openSUSE, SLE).
# is_suse
function is_suse {
if [[ -z "$os_VENDOR" ]]; then
GetOSVersion
fi
[ "$os_VENDOR" = "openSUSE" ] || [ "$os_VENDOR" = "SUSE LINUX" ]
}
# Determine if current distribution is an Ubuntu-based distribution
# It will also detect non-Ubuntu but Debian-based distros
# is_ubuntu
function is_ubuntu {
if [[ -z "$os_PACKAGE" ]]; then
GetOSVersion
fi
[ "$os_PACKAGE" = "deb" ]
}
# Exit after outputting a message about the distribution not being supported.
# exit_distro_not_supported [optional-string-telling-what-is-missing]
function exit_distro_not_supported {
if [[ -z "$DISTRO" ]]; then
GetDistro
fi
if [ $# -gt 0 ]; then
die $LINENO "Support for $DISTRO is incomplete: no support for $@"
else
die $LINENO "Support for $DISTRO is incomplete."
fi
}
# Utility function for checking machine architecture
# is_arch arch-type
function is_arch {
ARCH_TYPE=$1
[ "($uname -m)" = "$ARCH_TYPE" ]
}
# Checks if installed Apache is <= given version
# $1 = x.y.z (version string of Apache)
function check_apache_version {
local cmd="apachectl"
if ! [[ -x $(which apachectl 2>/dev/null) ]]; then
cmd="/usr/sbin/apachectl"
fi
local version=$($cmd -v | grep version | grep -Po 'Apache/\K[^ ]*')
expr "$version" '>=' $1 > /dev/null
}
# git clone only if directory doesn't exist already. Since ``DEST`` might not
# be owned by the installation user, we create the directory and change the
# ownership to the proper user.
# Set global RECLONE=yes to simulate a clone when dest-dir exists
# Set global ERROR_ON_CLONE=True to abort execution with an error if the git repo
# does not exist (default is False, meaning the repo will be cloned).
# Uses global ``OFFLINE``
# git_clone remote dest-dir branch
function git_clone {
GIT_REMOTE=$1
GIT_DEST=$2
GIT_REF=$3
RECLONE=$(trueorfalse False $RECLONE)
if [[ "$OFFLINE" = "True" ]]; then
echo "Running in offline mode, clones already exist"
# print out the results so we know what change was used in the logs
cd $GIT_DEST
git show --oneline | head -1
return
fi
if echo $GIT_REF | egrep -q "^refs"; then
# If our branch name is a gerrit style refs/changes/...
if [[ ! -d $GIT_DEST ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration"
git clone $GIT_REMOTE $GIT_DEST
fi
cd $GIT_DEST
git fetch $GIT_REMOTE $GIT_REF && git checkout FETCH_HEAD
else
# do a full clone only if the directory doesn't exist
if [[ ! -d $GIT_DEST ]]; then
[[ "$ERROR_ON_CLONE" = "True" ]] && \
die $LINENO "Cloning not allowed in this configuration"
git clone $GIT_REMOTE $GIT_DEST
cd $GIT_DEST
# This checkout syntax works for both branches and tags
git checkout $GIT_REF
elif [[ "$RECLONE" = "True" ]]; then
# if it does exist then simulate what clone does if asked to RECLONE
cd $GIT_DEST
# set the url to pull from and fetch
git remote set-url origin $GIT_REMOTE
git fetch origin
# remove the existing ignored files (like pyc) as they cause breakage
# (due to the py files having older timestamps than our pyc, so python
# thinks the pyc files are correct using them)
find $GIT_DEST -name '*.pyc' -delete
# handle GIT_REF accordingly to type (tag, branch)
if [[ -n "`git show-ref refs/tags/$GIT_REF`" ]]; then
git_update_tag $GIT_REF
elif [[ -n "`git show-ref refs/heads/$GIT_REF`" ]]; then
git_update_branch $GIT_REF
elif [[ -n "`git show-ref refs/remotes/origin/$GIT_REF`" ]]; then
git_update_remote_branch $GIT_REF
else
die $LINENO "$GIT_REF is neither branch nor tag"
fi
fi
fi
# print out the results so we know what change was used in the logs
cd $GIT_DEST
git show --oneline | head -1
}
# git update using reference as a branch.
# git_update_branch ref
function git_update_branch() {
GIT_BRANCH=$1
git checkout -f origin/$GIT_BRANCH
# a local branch might not exist
git branch -D $GIT_BRANCH || true
git checkout -b $GIT_BRANCH
}
# git update using reference as a branch.
# git_update_remote_branch ref
function git_update_remote_branch() {
GIT_BRANCH=$1
git checkout -b $GIT_BRANCH -t origin/$GIT_BRANCH
}
# git update using reference as a tag. Be careful editing source at that repo
# as working copy will be in a detached mode
# git_update_tag ref
function git_update_tag() {
GIT_TAG=$1
git tag -d $GIT_TAG
# fetching given tag only
git fetch origin tag $GIT_TAG
git checkout -f $GIT_TAG
}
# Comment an option in an INI file
# inicomment config-file section option
function inicomment() {
local file=$1
local section=$2
local option=$3
sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file"
}
# Uncomment an option in an INI file
# iniuncomment config-file section option
function iniuncomment() {
local file=$1
local section=$2
local option=$3
sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file"
}
# Get an option from an INI file
# iniget config-file section option
function iniget() {
local file=$1
local section=$2
local option=$3
local line
line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
echo ${line#*=}
}
# Determinate is the given option present in the INI file
# ini_has_option config-file section option
function ini_has_option() {
local file=$1
local section=$2
local option=$3
local line
line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
[ -n "$line" ]
}
# Set an option in an INI file
# iniset config-file section option value
function iniset() {
local file=$1
local section=$2
local option=$3
local value=$4
if ! grep -q "^\[$section\]" "$file" 2>/dev/null; then
# Add section at the end
echo -e "\n[$section]" >>"$file"
fi
if ! ini_has_option "$file" "$section" "$option"; then
# Add it
sed -i -e "/^\[$section\]/ a\\
$option = $value
" "$file"
else
# Replace it
sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" "$file"
fi
}
# Get a multiple line option from an INI file
# iniget_multiline config-file section option
function iniget_multiline() {
local file=$1
local section=$2
local option=$3
local values
values=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { s/^$option[ \t]*=[ \t]*//gp; }" "$file")
echo ${values}
}
# Set a multiple line option in an INI file
# iniset_multiline config-file section option value1 value2 valu3 ...
function iniset_multiline() {
local file=$1
local section=$2
local option=$3
shift 3
local values
for v in $@; do
# The later sed command inserts each new value in the line next to
# the section identifier, which causes the values to be inserted in
# the reverse order. Do a reverse here to keep the original order.
values="$v ${values}"
done
if ! grep -q "^\[$section\]" "$file"; then
# Add section at the end
echo -e "\n[$section]" >>"$file"
else
# Remove old values
sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
fi
# Add new ones
for v in $values; do
sed -i -e "/^\[$section\]/ a\\
$option = $v
" "$file"
done
}
# Append a new option in an ini file without replacing the old value
# iniadd config-file section option value1 value2 value3 ...
function iniadd() {
local file=$1
local section=$2
local option=$3
shift 3
local values="$(iniget_multiline $file $section $option) $@"
iniset_multiline $file $section $option $values
}
# Find out if a process exists by partial name.
# is_running name
function is_running() {
local name=$1
ps auxw | grep -v grep | grep ${name} > /dev/null
RC=$?
# some times I really hate bash reverse binary logic
return $RC
}
# is_service_enabled() checks if the service(s) specified as arguments are
# enabled by the user in ``ENABLED_SERVICES``.
#
# Multiple services specified as arguments are ``OR``'ed together; the test
# is a short-circuit boolean, i.e it returns on the first match.
#
# There are special cases for some 'catch-all' services::
# **nova** returns true if any service enabled start with **n-**
# **cinder** returns true if any service enabled start with **c-**
# **ceilometer** returns true if any service enabled start with **ceilometer**
# **glance** returns true if any service enabled start with **g-**
# **neutron** returns true if any service enabled start with **q-**
# **swift** returns true if any service enabled start with **s-**
# **trove** returns true if any service enabled start with **tr-**
# For backward compatibility if we have **swift** in ENABLED_SERVICES all the
# **s-** services will be enabled. This will be deprecated in the future.
#
# Cells within nova is enabled if **n-cell** is in ``ENABLED_SERVICES``.
# We also need to make sure to treat **n-cell-region** and **n-cell-child**
# as enabled in this case.
#
# Uses global ``ENABLED_SERVICES``
# is_service_enabled service [service ...]
function is_service_enabled() {
services=$@
for service in ${services}; do
[[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && return 0
[[ ${service} == n-cell-* && ${ENABLED_SERVICES} =~ "n-cell" ]] && return 0
[[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && return 0
[[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && return 0
[[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && return 0
[[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && return 0
[[ ${service} == "neutron" && ${ENABLED_SERVICES} =~ "q-" ]] && return 0
[[ ${service} == "trove" && ${ENABLED_SERVICES} =~ "tr-" ]] && return 0
[[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && return 0
[[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && return 0
done
return 1
}
# remove extra commas from the input string (i.e. ``ENABLED_SERVICES``)
# _cleanup_service_list service-list
function _cleanup_service_list () {
echo "$1" | sed -e '
s/,,/,/g;
s/^,//;
s/,$//
'
}
# enable_service() adds the services passed as argument to the
# ``ENABLED_SERVICES`` list, if they are not already present.
#
# For example:
# enable_service qpid
#
# This function does not know about the special cases
# for nova, glance, and neutron built into is_service_enabled().
# Uses global ``ENABLED_SERVICES``
# enable_service service [service ...]
function enable_service() {
local tmpsvcs="${ENABLED_SERVICES}"
for service in $@; do
if ! is_service_enabled $service; then
tmpsvcs+=",$service"
fi
done
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
disable_negated_services
}
# disable_service() removes the services passed as argument to the
# ``ENABLED_SERVICES`` list, if they are present.
#
# For example:
# disable_service rabbit
#
# This function does not know about the special cases
# for nova, glance, and neutron built into is_service_enabled().
# Uses global ``ENABLED_SERVICES``
# disable_service service [service ...]
function disable_service() {
local tmpsvcs=",${ENABLED_SERVICES},"
local service
for service in $@; do
if is_service_enabled $service; then
tmpsvcs=${tmpsvcs//,$service,/,}
fi
done
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
}
# disable_all_services() removes all current services
# from ``ENABLED_SERVICES`` to reset the configuration
# before a minimal installation
# Uses global ``ENABLED_SERVICES``
# disable_all_services
function disable_all_services() {
ENABLED_SERVICES=""
}
# Remove all services starting with '-'. For example, to install all default
# services except rabbit (rabbit) set in ``localrc``:
# ENABLED_SERVICES+=",-rabbit"
# Uses global ``ENABLED_SERVICES``
# disable_negated_services
function disable_negated_services() {
local tmpsvcs="${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 is_ubuntu; then
[[ "$NO_UPDATE_REPOS" = "True" ]] || apt_get update
NO_UPDATE_REPOS=True
apt_get install "$@"
elif is_fedora; then
yum_install "$@"
elif is_suse; then
zypper_install "$@"
else
exit_distro_not_supported "installing packages"
fi
}
# Distro-agnostic package uninstaller
# uninstall_package package [package ...]
function uninstall_package() {
if is_ubuntu; then
apt_get purge "$@"
elif is_fedora; then
sudo yum remove -y "$@"
elif is_suse; then
sudo zypper rm "$@"
else
exit_distro_not_supported "uninstalling packages"
fi
}
# Distro-agnostic function to tell if a package is installed
# is_package_installed package [package ...]
function is_package_installed() {
if [[ -z "$@" ]]; then
return 1
fi
if [[ -z "$os_PACKAGE" ]]; then
GetOSVersion
fi
if [[ "$os_PACKAGE" = "deb" ]]; then
dpkg -s "$@" > /dev/null 2> /dev/null
elif [[ "$os_PACKAGE" = "rpm" ]]; then
rpm --quiet -q "$@"
else
exit_distro_not_supported "finding if a package is installed"
fi
}
# Test if the named environment variable is set and not zero length
# is_set env-var
function is_set() {
local var=\$"$1"
eval "[ -n \"$var\" ]" # For ex.: sh -c "[ -n \"$var\" ]" would be better, but several exercises depends on this
}
# Wrapper for ``pip install`` to set cache and proxy environment variables
# Uses globals ``OFFLINE``, ``PIP_DOWNLOAD_CACHE``, ``PIP_USE_MIRRORS``,
# ``TRACK_DEPENDS``, ``*_proxy``
# pip_install package [package ...]
function pip_install {
[[ "$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"
CMD_PIP=$(get_pip_command)
fi
# Mirror option not needed anymore because pypi has CDN available,
# but it's useful in certain circumstances
PIP_USE_MIRRORS=${PIP_USE_MIRRORS:-False}
if [[ "$PIP_USE_MIRRORS" != "False" ]]; then
PIP_MIRROR_OPT="--use-mirrors"
fi
# pip < 1.4 has a bug where it will use an already existing build
# directory unconditionally. Say an earlier component installs
# foo v1.1; pip will have built foo's source in
# /tmp/$USER-pip-build. Even if a later component specifies foo <
# 1.1, the existing extracted build will be used and cause
# confusing errors. By creating unique build directories we avoid
# this problem. See https://github.com/pypa/pip/issues/709
local pip_build_tmp=$(mktemp --tmpdir -d pip-build.XXXXX)
$SUDO_PIP PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE:-/var/cache/pip} \
HTTP_PROXY=$http_proxy \
HTTPS_PROXY=$https_proxy \
NO_PROXY=$no_proxy \
$CMD_PIP install --build=${pip_build_tmp} \
$PIP_MIRROR_OPT $@ \
&& $SUDO_PIP rm -rf ${pip_build_tmp}
}
# Cleanup anything from /tmp on unstack
# clean_tmp
function cleanup_tmp {
local tmp_dir=${TMPDIR:-/tmp}
# see comments in pip_install
sudo rm -rf ${tmp_dir}/pip-build.*
}
# Service wrapper to restart services
# restart_service service-name
function restart_service() {
if is_ubuntu; then
sudo /usr/sbin/service $1 restart
else
sudo /sbin/service $1 restart
fi
}
# _run_process() is designed to be backgrounded by run_process() to simulate a
# fork. It includes the dirty work of closing extra filehandles and preparing log
# files to produce the same logs as screen_it(). The log filename is derived
# from the service name and global-and-now-misnamed SCREEN_LOGDIR
# _run_process service "command-line"
function _run_process() {
local service=$1
local command="$2"
# Undo logging redirections and close the extra descriptors
exec 1>&3
exec 2>&3
exec 3>&-
exec 6>&-
if [[ -n ${SCREEN_LOGDIR} ]]; then
exec 1>&${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log 2>&1
ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log
# TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs.
export PYTHONUNBUFFERED=1
fi
exec /bin/bash -c "$command"
die "$service exec failure: $command"
}
# run_process() launches a child process that closes all file descriptors and
# then exec's the passed in command. This is meant to duplicate the semantics
# of screen_it() without screen. PIDs are written to
# $SERVICE_DIR/$SCREEN_NAME/$service.pid
# run_process service "command-line"
function run_process() {
local service=$1
local command="$2"
# Spawn the child process
_run_process "$service" "$command" &
echo $!
}
# Helper to launch a service in a named screen
# screen_it service "command-line"
function screen_it {
SCREEN_NAME=${SCREEN_NAME:-stack}
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
USE_SCREEN=$(trueorfalse True $USE_SCREEN)
if is_service_enabled $1; then
# Append the service to the screen rc file
screen_rc "$1" "$2"
if [[ "$USE_SCREEN" = "True" ]]; then
screen -S $SCREEN_NAME -X screen -t $1
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
# 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
NL=`echo -ne '\015'`
screen -S $SCREEN_NAME -p $1 -X stuff "$2 || echo \"$1 failed to start\" | tee \"$SERVICE_DIR/$SCREEN_NAME/$1.failure\"$NL"
else
# Spawn directly without screen
run_process "$1" "$2" >$SERVICE_DIR/$SCREEN_NAME/$service.pid
fi
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
# Some distributions override PROMPT_COMMAND for the screen terminal type - turn that off
echo "setenv PROMPT_COMMAND /bin/true" >> $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\"" >> $SCREENRC
fi
}
# Helper to remove the ``*.failure`` files under ``$SERVICE_DIR/$SCREEN_NAME``.
# This is used for ``service_check`` when all the ``screen_it`` are called finished
# init_service_check
function init_service_check() {
SCREEN_NAME=${SCREEN_NAME:-stack}
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then
mkdir -p "$SERVICE_DIR/$SCREEN_NAME"
fi
rm -f "$SERVICE_DIR/$SCREEN_NAME"/*.failure
}
# Helper to get the status of each running service
# service_check
function service_check() {
local service
local failures
SCREEN_NAME=${SCREEN_NAME:-stack}
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then
echo "No service status directory found"
return
fi
# Check if there is any falure flag file under $SERVICE_DIR/$SCREEN_NAME
failures=`ls "$SERVICE_DIR/$SCREEN_NAME"/*.failure 2>/dev/null`
for service in $failures; do
service=`basename $service`
service=${service%.failure}
echo "Error: Service $service is not running"
done
if [ -n "$failures" ]; then
echo "More details about the above errors can be found with screen, with ./rejoin-stack.sh"
fi
}
# Returns true if the directory is on a filesystem mounted via NFS.
function is_nfs_directory() {
local mount_type=`stat -f -L -c %T $1`
test "$mount_type" == "nfs"
}
# Only run the command if the target file (the last arg) is not on an
# NFS filesystem.
function _safe_permission_operation() {
local args=( $@ )
local last
local sudo_cmd
local dir_to_check
let last="${#args[*]} - 1"
dir_to_check=${args[$last]}
if [ ! -d "$dir_to_check" ]; then
dir_to_check=`dirname "$dir_to_check"`
fi
if is_nfs_directory "$dir_to_check" ; then
return 0
fi
if [[ $TRACK_DEPENDS = True ]]; then
sudo_cmd="env"
else
sudo_cmd="sudo"
fi
$sudo_cmd $@
}
# Only change ownership of a file or directory if it is not on an NFS
# filesystem.
function safe_chown() {
_safe_permission_operation chown $@
}
# Only change permissions of a file or directory if it is not on an
# NFS filesystem.
function safe_chmod() {
_safe_permission_operation chmod $@
}
# ``pip install -e`` the package, which processes the dependencies
# using pip before running `setup.py develop`
# Uses globals ``STACK_USER``, ``TRACK_DEPENDS``, ``REQUIREMENTS_DIR``
# setup_develop directory
function setup_develop() {
local project_dir=$1
echo "cd $REQUIREMENTS_DIR; $SUDO_CMD python update.py $project_dir"
# Don't update repo if local changes exist
(cd $project_dir && git diff --quiet)
local update_requirements=$?
if [ $update_requirements -eq 0 ]; then
(cd $REQUIREMENTS_DIR; \
$SUDO_CMD python update.py $project_dir)
fi
pip_install -e $project_dir
# ensure that further actions can do things like setup.py sdist
safe_chown -R $STACK_USER $1/*.egg-info
# We've just gone and possibly modified the user's source tree in an
# automated way, which is considered bad form if it's a development
# tree because we've screwed up their next git checkin. So undo it.
#
# However... there are some circumstances, like running in the gate
# where we really really want the overridden version to stick. So provide
# a variable that tells us whether or not we should UNDO the requirements
# changes (this will be set to False in the OpenStack ci gate)
if [ $UNDO_REQUIREMENTS = "True" ]; then
if [ $update_requirements -eq 0 ]; then
(cd $project_dir && git reset --hard)
fi
fi
}
# Service wrapper to start services
# start_service service-name
function start_service() {
if is_ubuntu; 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 is_ubuntu; then
sudo /usr/sbin/service $1 stop
else
sudo /sbin/service $1 stop
fi
}
# Normalize config values to True or False
# Accepts as False: 0 no No NO false False FALSE
# Accepts as True: 1 yes Yes YES true True TRUE
# VAR=$(trueorfalse default-value test-value)
function trueorfalse() {
local default=$1
local testval=$2
[[ -z "$testval" ]] && { echo "$default"; return; }
[[ "0 no No NO false False FALSE" =~ "$testval" ]] && { echo "False"; return; }
[[ "1 yes Yes 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
# vmdk format images
if [[ "$image_url" =~ '.vmdk' ]]; then
IMAGE="$FILES/${IMAGE_FNAME}"
IMAGE_NAME="${IMAGE_FNAME%.vmdk}"
# Before we can upload vmdk type images to glance, we need to know it's
# disk type, storage adapter, and networking adapter. These values are
# passed to glance as custom properties.
# We take these values from the vmdk file if populated. Otherwise, we use
# vmdk filename, which is expected in the following format:
#
# <name>-<disk type>:<storage adapter>:<network adapter>
#
# If the filename does not follow the above format then the vsphere
# driver will supply default values.
# vmdk adapter type
vmdk_adapter_type="$(head -25 $IMAGE | grep -a -F -m 1 'ddb.adapterType =' $IMAGE)"
vmdk_adapter_type="${vmdk_adapter_type#*\"}"
vmdk_adapter_type="${vmdk_adapter_type%?}"
# vmdk disk type
vmdk_create_type="$(head -25 $IMAGE | grep -a -F -m 1 'createType=' $IMAGE)"
vmdk_create_type="${vmdk_create_type#*\"}"
vmdk_create_type="${vmdk_create_type%?}"
if [[ "$vmdk_create_type" = "monolithicSparse" ]]; then
vmdk_disktype="sparse"
elif [[ "$vmdk_create_type" = "monolithicFlat" ]]; then
die $LINENO "Monolithic flat disks should use a descriptor-data pair." \
"Please provide the disk and not the descriptor."
else
#TODO(alegendre): handle streamOptimized once supported by VMware driver.
vmdk_disktype="preallocated"
fi
property_string=`echo "$IMAGE_NAME" | grep -oP '(?<=-)(?!.*-).+:.+:.+$'`
if [[ ! -z "$property_string" ]]; then
IFS=':' read -a props <<< "$property_string"
if [[ ! -z "${props[0]}" ]]; then
vmdk_disktype="${props[0]}"
fi
if [[ ! -z "${props[1]}" ]]; then
vmdk_adapter_type="${props[1]}"
fi
vmdk_net_adapter="${props[2]}"
fi
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --is-public=True --container-format bare --disk-format vmdk --property vmware_disktype="$vmdk_disktype" --property vmware_adaptertype="$vmdk_adapter_type" --property hw_vif_model="$vmdk_net_adapter" < "${IMAGE}"
return
fi
# XenServer-vhd-ovf-format images are provided as .vhd.tgz
# and should not be decompressed prior to loading
if [[ "$image_url" =~ '.vhd.tgz' ]]; then
IMAGE="$FILES/${IMAGE_FNAME}"
IMAGE_NAME="${IMAGE_FNAME%.vhd.tgz}"
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --is-public=True --container-format=ovf --disk-format=vhd < "${IMAGE}"
return
fi
# .xen-raw.tgz suggests a Xen capable raw image inside a tgz.
# and should not be decompressed prior to loading.
# Setting metadata, so PV mode is used.
if [[ "$image_url" =~ '.xen-raw.tgz' ]]; then
IMAGE="$FILES/${IMAGE_FNAME}"
IMAGE_NAME="${IMAGE_FNAME%.xen-raw.tgz}"
glance \
--os-auth-token $token \
--os-image-url http://$GLANCE_HOSTPORT \
image-create \
--name "$IMAGE_NAME" --is-public=True \
--container-format=tgz --disk-format=raw \
--property vm_mode=xen < "${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 "$IMAGE" ".qcow2")
DISK_FORMAT=qcow2
CONTAINER_FORMAT=bare
;;
*.iso)
IMAGE="$FILES/${IMAGE_FNAME}"
IMAGE_NAME=$(basename "$IMAGE" ".iso")
DISK_FORMAT=iso
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 "$IMAGE_NAME" --is-public True --container-format=$CONTAINER_FORMAT --disk-format $DISK_FORMAT < <(zcat --force "${IMAGE}")
else
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --is-public True --container-format=$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 "$IMAGE_NAME-kernel" --is-public True --container-format aki --disk-format aki < "$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 "$IMAGE_NAME-ramdisk" --is-public True --container-format ari --disk-format ari < "$RAMDISK" | grep ' id ' | get_field 2)
fi
glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "${IMAGE_NAME%.img}" --is-public True --container-format ami --disk-format ami ${KERNEL_ID:+--property kernel_id=$KERNEL_ID} ${RAMDISK_ID:+--property ramdisk_id=$RAMDISK_ID} < "${IMAGE}"
fi
}
# Set the database backend to use
# When called from stackrc/localrc DATABASE_BACKENDS has not been
# initialized yet, just save the configuration selection and call back later
# to validate it.
#
# ``$1`` - the name of the database backend to use (mysql, postgresql, ...)
function use_database {
if [[ -z "$DATABASE_BACKENDS" ]]; then
# No backends registered means this is likely called from ``localrc``
# This is now deprecated usage
DATABASE_TYPE=$1
DEPRECATED_TEXT="$DEPRECATED_TEXT\nThe database backend needs to be properly set in ENABLED_SERVICES; use_database is deprecated localrc\n"
else
# This should no longer get called...here for posterity
use_exclusive_service DATABASE_BACKENDS DATABASE_TYPE $1
fi
}
# Toggle enable/disable_service for services that must run exclusive of each other
# $1 The name of a variable containing a space-separated list of services
# $2 The name of a variable in which to store the enabled service's name
# $3 The name of the service to enable
function use_exclusive_service {
local options=${!1}
local selection=$3
out=$2
[ -z $selection ] || [[ ! "$options" =~ "$selection" ]] && return 1
for opt in $options;do
[[ "$opt" = "$selection" ]] && enable_service $opt || disable_service $opt
done
eval "$out=$selection"
return 0
}
# Wait for an HTTP server to start answering requests
# wait_for_service timeout url
function wait_for_service() {
local timeout=$1
local url=$2
timeout $timeout sh -c "while ! curl --noproxy '*' -s $url >/dev/null; do sleep 1; done"
}
# Wrapper for ``yum`` to set proxy environment variables
# Uses globals ``OFFLINE``, ``*_proxy``
# yum_install package [package ...]
function yum_install() {
[[ "$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 "$@"
}
# zypper wrapper to set arguments correctly
# zypper_install package [package ...]
function zypper_install() {
[[ "$OFFLINE" = "True" ]] && return
local sudo="sudo"
[[ "$(id -u)" = "0" ]] && sudo="env"
$sudo http_proxy=$http_proxy https_proxy=$https_proxy \
zypper --non-interactive install --auto-agree-with-licenses "$@"
}
# ping check
# Uses globals ``ENABLED_SERVICES``
# ping_check from-net ip boot-timeout expected
function ping_check() {
if is_service_enabled neutron; then
_ping_check_neutron "$1" $2 $3 $4
return
fi
_ping_check_novanet "$1" $2 $3 $4
}
# ping check for nova
# Uses globals ``MULTI_HOST``, ``PRIVATE_NETWORK``
function _ping_check_novanet() {
local from_net=$1
local ip=$2
local boot_timeout=$3
local expected=${4:-"True"}
local check_command=""
MULTI_HOST=`trueorfalse False $MULTI_HOST`
if [[ "$MULTI_HOST" = "True" && "$from_net" = "$PRIVATE_NETWORK_NAME" ]]; then
return
fi
if [[ "$expected" = "True" ]]; then
check_command="while ! ping -c1 -w1 $ip; do sleep 1; done"
else
check_command="while ping -c1 -w1 $ip; do sleep 1; done"
fi
if ! timeout $boot_timeout sh -c "$check_command"; then
if [[ "$expected" = "True" ]]; then
die $LINENO "[Fail] Couldn't ping server"
else
die $LINENO "[Fail] Could ping server"
fi
fi
}
# Get ip of instance
function get_instance_ip(){
local vm_id=$1
local network_name=$2
local nova_result="$(nova show $vm_id)"
local ip=$(echo "$nova_result" | grep "$network_name" | get_field 2)
if [[ $ip = "" ]];then
echo "$nova_result"
die $LINENO "[Fail] Coudn't get ipaddress of VM"
fi
echo $ip
}
# ssh check
# ssh_check net-name key-file floating-ip default-user active-timeout
function ssh_check() {
if is_service_enabled neutron; then
_ssh_check_neutron "$1" $2 $3 $4 $5
return
fi
_ssh_check_novanet "$1" $2 $3 $4 $5
}
function _ssh_check_novanet() {
local NET_NAME=$1
local KEY_FILE=$2
local FLOATING_IP=$3
local DEFAULT_INSTANCE_USER=$4
local ACTIVE_TIMEOUT=$5
local probe_cmd=""
if ! timeout $ACTIVE_TIMEOUT sh -c "while ! ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP echo success; do sleep 1; done"; then
die $LINENO "server didn't become ssh-able!"
fi
}
# Add a user to a group.
# add_user_to_group user group
function add_user_to_group() {
local user=$1
local group=$2
if [[ -z "$os_VENDOR" ]]; then
GetOSVersion
fi
# SLE11 and openSUSE 12.2 don't have the usual usermod
if ! is_suse || [[ "$os_VENDOR" = "openSUSE" && "$os_RELEASE" != "12.2" ]]; then
sudo usermod -a -G "$group" "$user"
else
sudo usermod -A "$group" "$user"
fi
}
# Get the path to the direcotry where python executables are installed.
# get_python_exec_prefix
function get_python_exec_prefix() {
if is_fedora || is_suse; then
echo "/usr/bin"
else
echo "/usr/local/bin"
fi
}
# Get the location of the $module-rootwrap executables, where module is cinder
# or nova.
# get_rootwrap_location module
function get_rootwrap_location() {
local module=$1
echo "$(get_python_exec_prefix)/$module-rootwrap"
}
# Get the path to the pip command.
# get_pip_command
function get_pip_command() {
which pip || which pip-python
if [ $? -ne 0 ]; then
die $LINENO "Unable to find pip; cannot continue"
fi
}
# Path permissions sanity check
# check_path_perm_sanity path
function check_path_perm_sanity() {
# Ensure no element of the path has 0700 permissions, which is very
# likely to cause issues for daemons. Inspired by default 0700
# homedir permissions on RHEL and common practice of making DEST in
# the stack user's homedir.
local real_path=$(readlink -f $1)
local rebuilt_path=""
for i in $(echo ${real_path} | tr "/" " "); do
rebuilt_path=$rebuilt_path"/"$i
if [[ $(stat -c '%a' ${rebuilt_path}) = 700 ]]; then
echo "*** DEST path element"
echo "*** ${rebuilt_path}"
echo "*** appears to have 0700 permissions."
echo "*** This is very likely to cause fatal issues for devstack daemons."
if [[ -n "$SKIP_PATH_SANITY" ]]; then
return
else
echo "*** Set SKIP_PATH_SANITY to skip this check"
die $LINENO "Invalid path permissions"
fi
fi
done
}
# This function recursively compares versions, and is not meant to be
# called by anything other than vercmp_numbers below. This function does
# not work with alphabetic versions.
#
# _vercmp_r sep ver1 ver2
function _vercmp_r {
typeset sep
typeset -a ver1=() ver2=()
sep=$1; shift
ver1=("${@:1:sep}")
ver2=("${@:sep+1}")
if ((ver1 > ver2)); then
echo 1; return 0
elif ((ver2 > ver1)); then
echo -1; return 0
fi
if ((sep <= 1)); then
echo 0; return 0
fi
_vercmp_r $((sep-1)) "${ver1[@]:1}" "${ver2[@]:1}"
}
# This function compares two versions and is meant to be called by
# external callers. Please note the function assumes non-alphabetic
# versions. For example, this will work:
#
# vercmp_numbers 1.10 1.4
#
# The above will return "1", as 1.10 is greater than 1.4.
#
# vercmp_numbers 5.2 6.4
#
# The above will return "-1", as 5.2 is less than 6.4.
#
# vercmp_numbers 4.0 4.0
#
# The above will return "0", as the versions are equal.
#
# vercmp_numbers ver1 ver2
vercmp_numbers() {
typeset v1=$1 v2=$2 sep
typeset -a ver1 ver2
IFS=. read -ra ver1 <<< "$v1"
IFS=. read -ra ver2 <<< "$v2"
_vercmp_r "${#ver1[@]}" "${ver1[@]}" "${ver2[@]}"
}
# ``policy_add policy_file policy_name policy_permissions``
#
# Add a policy to a policy.json file
# Do nothing if the policy already exists
function policy_add() {
local policy_file=$1
local policy_name=$2
local policy_perm=$3
if grep -q ${policy_name} ${policy_file}; then
echo "Policy ${policy_name} already exists in ${policy_file}"
return
fi
# Add a terminating comma to policy lines without one
# Remove the closing '}' and all lines following to the end-of-file
local tmpfile=$(mktemp)
uniq ${policy_file} | sed -e '
s/]$/],/
/^[}]/,$d
' > ${tmpfile}
# Append policy and closing brace
echo " \"${policy_name}\": ${policy_perm}" >>${tmpfile}
echo "}" >>${tmpfile}
mv ${tmpfile} ${policy_file}
}
# This function sets log formatting options for colorizing log
# output to stdout. It is meant to be called by lib modules.
# The last two parameters are optional and can be used to specify
# non-default value for project and user format variables.
# Defaults are respectively 'project_name' and 'user_name'
#
# setup_colorized_logging something.conf SOMESECTION
function setup_colorized_logging() {
local conf_file=$1
local conf_section=$2
local project_var=${3:-"project_name"}
local user_var=${4:-"user_name"}
# Add color to logging output
iniset $conf_file $conf_section logging_context_format_string "%(asctime)s.%(msecs)03d %(color)s%(levelname)s %(name)s [%(request_id)s %("$user_var")s %("$project_var")s%(color)s] %(instance)s%(color)s%(message)s"
iniset $conf_file $conf_section logging_default_format_string "%(asctime)s.%(msecs)03d %(color)s%(levelname)s %(name)s [-%(color)s] %(instance)s%(color)s%(message)s"
iniset $conf_file $conf_section logging_debug_format_suffix "from (pid=%(process)d) %(funcName)s %(pathname)s:%(lineno)d"
iniset $conf_file $conf_section logging_exception_prefix "%(color)s%(asctime)s.%(msecs)03d TRACE %(name)s %(instance)s"
}
# Restore xtrace
$XTRACE
# Local variables:
# mode: shell-script
# End:
View Git Blame Copy Permalink