Test script for local playbooks

software/cdn-test/erp5-standalone-local-playbook.jinja2

+#!/bin/bash
+
+set -e
+
+#
+# Paste content of function-common
+# https://lab.nexedi.com/nexedi/slapos.package/blob/master/playbook/roles/install-script/files/function-common
+#
+#!/bin/bash
+#
+# functions-common - Common functions used by DevStack components
+#
+# The canonical copy of this file is maintained in the DevStack repo.
+# All modifications should be made there and then sync'ed to other repos
+# as required.
+#
+# This file is sorted alphabetically within the function groups.
+#
+# - Config Functions
+# - Control Functions
+# - Distro Functions
+# - Git Functions
+# - OpenStack Functions
+# - Package Functions
+# - Process Functions
+# - Service Functions
+# - System Functions
+#
+# The following variables are assumed to be defined by certain functions:
+#
+# - ``ENABLED_SERVICES``
+# - ``ERROR_ON_CLONE``
+# - ``FILES``
+# - ``OFFLINE``
+# - ``RECLONE``
+# - ``REQUIREMENTS_DIR``
+# - ``STACK_USER``
+# - ``TRACK_DEPENDS``
+# - ``UNDO_REQUIREMENTS``
+# - ``http_proxy``, ``https_proxy``, ``no_proxy``
+#
+
+# Save trace setting
+XTRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+# Global Config Variables
+declare -A GITREPO
+declare -A GITBRANCH
+declare -A GITDIR
+
+TRACK_DEPENDS=${TRACK_DEPENDS:-False}
+
+
+# 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=$(trueorfalse default-value test-value)
+function trueorfalse {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local default=$1
+    local literal=$2
+    local testval=${!literal:-}
+
+    [[ -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"
+    $xtrace
+}
+
+#function isset {
+#    [[ -v "$1" ]]
+#}
+#
+# Control Functions
+# =================
+
+# Prints backtrace info
+# filename:lineno:function
+# backtrace level
+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 $line "$*"
+    # Give buffers a second to flush
+    sleep 1
+    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 $LINENO env-var "message"
+function die_if_not_set {
+    local exitcode=$?
+    local xtrace=$(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
+    $xtrace
+}
+
+# Prints line number and "message" in error format
+# err $LINENO "message"
+function err {
+    local exitcode=$?
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"
+    echo $msg 1>&2;
+    if [[ -n ${LOGDIR} ]]; then
+        echo $msg >> "${LOGDIR}/error.log"
+    fi
+    $xtrace
+    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 $LINENO env-var "message"
+function err_if_not_set {
+    local exitcode=$?
+    local xtrace=$(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
+    $xtrace
+    return $exitcode
+}
+
+# Exit after outputting a message about the distribution not being supported.
+# exit_distro_not_supported [optional-string-telling-what-is-missing]
+function exit_distro_not_supported {
+    if [[ -z "$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
+}
+
+# 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
+}
+
+# Prints line number and "message" in warning format
+# warn $LINENO "message"
+function warn {
+    local exitcode=$?
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local msg="[WARNING] ${BASH_SOURCE[2]}:$1 $2"
+    echo $msg 1>&2;
+    if [[ -n ${LOGDIR} ]]; then
+        echo $msg >> "${LOGDIR}/error.log"
+    fi
+    $xtrace
+    return $exitcode
+}
+
+
+# Distro Functions
+# ================
+
+# Determine OS Vendor, Release and Update
+# Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora
+# Returns results in global variables:
+# ``os_VENDOR`` - vendor name: ``Ubuntu``, ``Fedora``, etc
+# ``os_RELEASE`` - major release: ``14.04`` (Ubuntu), ``20`` (Fedora)
+# ``os_UPDATE`` - update: ex. the ``5`` in ``RHEL6.5``
+# ``os_PACKAGE`` - package type: ``deb`` or ``rpm``
+# ``os_CODENAME`` - vendor's codename for release: ``snow leopard``, ``trusty``
+os_VENDOR=""
+os_RELEASE=""
+os_UPDATE=""
+os_PACKAGE=""
+os_CODENAME=""
+
+# GetOSVersion
+function GetOSVersion {
+
+    # Figure out which vendor we are
+    if [[ -x "`which sw_vers 2>/dev/null`" ]]; then
+        # OS/X
+        os_VENDOR=`sw_vers -productName`
+        os_RELEASE=`sw_vers -productVersion`
+        os_UPDATE=${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)
+        # Red Hat Enterprise Linux Server release 7.0 Beta (Maipo)
+        # CentOS release 5.5 (Final)
+        # CentOS Linux release 6.0 (Final)
+        # Fedora release 16 (Verne)
+        # XenServer release 6.2.0-70446c (xenenterprise)
+        # Oracle Linux release 7
+        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/^.* \([0-9].*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release`
+                os_CODENAME=${ver#*|}
+                os_RELEASE=${ver%|*}
+                os_UPDATE=${os_RELEASE##*.}
+                os_RELEASE=${os_RELEASE%.*}
+                break
+            fi
+            os_VENDOR=""
+        done
+        if [ "$os_VENDOR" = "Red Hat" ] && [[ -r /etc/oracle-release ]]; then
+            os_VENDOR=OracleLinux
+        fi
+        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 global ``DISTRO`` from the ``os_*`` values
+declare DISTRO
+
+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) || \
+        "$os_VENDOR" =~ (OracleLinux) ]]; then
+        # Drop the . release as we assume it's compatible
+        DISTRO="rhel${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.$os_UPDATE"
+    fi
+    export DISTRO
+}
+
+# Utility function for checking machine architecture
+# is_arch arch-type
+function is_arch {
+    [[ "$(uname -m)" == "$1" ]]
+}
+
+# Determine if current distribution is an Oracle distribution
+# is_oraclelinux
+function is_oraclelinux {
+    if [[ -z "$os_VENDOR" ]]; then
+        GetOSVersion
+    fi
+
+    [ "$os_VENDOR" = "OracleLinux" ]
+}
+
+
+# Determine if current distribution is a Fedora-based distribution
+# (Fedora, RHEL, CentOS, etc).
+# is_fedora
+function is_fedora {
+    if [[ -z "$os_VENDOR" ]]; then
+        GetOSVersion
+    fi
+
+    [ "$os_VENDOR" = "Fedora" ] || [ "$os_VENDOR" = "Red Hat" ] || \
+        [ "$os_VENDOR" = "CentOS" ] || [ "$os_VENDOR" = "OracleLinux" ]
+}
+
+
+# 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" ]
+}
+
+
+# Git Functions
+# =============
+
+# Returns openstack release name for a given branch name
+# ``get_release_name_from_branch branch-name``
+function get_release_name_from_branch {
+    local branch=$1
+    if [[ $branch =~ "stable/" || $branch =~ "proposed/" ]]; then
+        echo ${branch#*/}
+    else
+        echo "master"
+    fi
+}
+
+# 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 globals ``ERROR_ON_CLONE``, ``OFFLINE``, ``RECLONE``
+# git_clone remote dest-dir branch
+function git_clone {
+    local git_remote=$1
+    local git_dest=$2
+    local git_ref=$3
+    local orig_dir=$(pwd)
+    local git_clone_flags=""
+
+    RECLONE=$(trueorfalse False RECLONE)
+    if [[ "${GIT_DEPTH}" -gt 0 ]]; then
+        git_clone_flags="$git_clone_flags --depth $GIT_DEPTH"
+    fi
+
+    if [[ "$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
+        cd $orig_dir
+        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_timed clone $git_clone_flags $git_remote $git_dest
+        fi
+        cd $git_dest
+        git_timed 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_timed clone $git_clone_flags $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_timed 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
+    cd $orig_dir
+}
+
+# A variation on git clone that lets us specify a project by it's
+# actual name, like oslo.config. This is exceptionally useful in the
+# library installation case
+function git_clone_by_name {
+    local name=$1
+    local repo=${GITREPO[$name]}
+    local dir=${GITDIR[$name]}
+    local branch=${GITBRANCH[$name]}
+    git_clone $repo $dir $branch
+}
+
+
+# git can sometimes get itself infinitely stuck with transient network
+# errors or other issues with the remote end.  This wraps git in a
+# timeout/retry loop and is intended to watch over non-local git
+# processes that might hang.  GIT_TIMEOUT, if set, is passed directly
+# to timeout(1); otherwise the default value of 0 maintains the status
+# quo of waiting forever.
+# usage: git_timed <git-command>
+function git_timed {
+    local count=0
+    local timeout=0
+
+    if [[ -n "${GIT_TIMEOUT}" ]]; then
+        timeout=${GIT_TIMEOUT}
+    fi
+
+    until timeout -s SIGINT ${timeout} git "$@"; do
+        # 124 is timeout(1)'s special return code when it reached the
+        # timeout; otherwise assume fatal failure
+        if [[ $? -ne 124 ]]; then
+            die $LINENO "git call failed: [git $@]"
+        fi
+
+        count=$(($count + 1))
+        warn "timeout ${count} for git call: [git $@]"
+        if [ $count -eq 3 ]; then
+            die $LINENO "Maximum of 3 git retries reached"
+        fi
+        sleep 5
+    done
+}
+
+# git update using reference as a branch.
+# git_update_branch ref
+function git_update_branch {
+    local 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 {
+    local 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 {
+    local git_tag=$1
+
+    git tag -d $git_tag
+    # fetching given tag only
+    git_timed fetch origin tag $git_tag
+    git checkout -f $git_tag
+}
+
+
+# OpenStack Functions
+# ===================
+
+# 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=$4
+
+    # Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
+    if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then
+        host_ip=""
+        # Find the interface used for the default route
+        host_ip_iface=${host_ip_iface:-$(ip route | awk '/default/ {print $5}' | head -1)}
+        local host_ips=$(LC_ALL=C ip -f inet addr show ${host_ip_iface} | awk '/inet/ {split($2,parts,"/");  print parts[1]}')
+        local ip
+        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
+}
+
+# Generates hex string from ``size`` byte of pseudo random data
+# generate_hex_string size
+function generate_hex_string {
+    local size=$1
+    hexdump -n "$size" -v -e '/1 "%02x"' /dev/urandom
+}
+
+# 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 {
+    local data 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
+}
+
+# install default policy
+# copy over a default policy.json and policy.d for projects
+function install_default_policy {
+    local project=$1
+    local project_uc=$(echo $1|tr a-z A-Z)
+    local conf_dir="${project_uc}_CONF_DIR"
+    # eval conf dir to get the variable
+    conf_dir="${!conf_dir}"
+    local project_dir="${project_uc}_DIR"
+    # eval project dir to get the variable
+    project_dir="${!project_dir}"
+    local sample_conf_dir="${project_dir}/etc/${project}"
+    local sample_policy_dir="${project_dir}/etc/${project}/policy.d"
+
+    # first copy any policy.json
+    cp -p $sample_conf_dir/policy.json $conf_dir
+    # then optionally copy over policy.d
+    if [[ -d $sample_policy_dir ]]; then
+        cp -r $sample_policy_dir $conf_dir/policy.d
+    fi
+}
+
+# Add a policy to a policy.json file
+# Do nothing if the policy already exists
+# ``policy_add policy_file policy_name policy_permissions``
+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} ${policy_file}
+}
+
+# Gets or creates a domain
+# Usage: get_or_create_domain <name> <description>
+function get_or_create_domain {
+    local os_url="$KEYSTONE_SERVICE_URI_V3"
+    # Gets domain id
+    local domain_id=$(
+        # Gets domain id
+        openstack --os-token=$OS_TOKEN --os-url=$os_url \
+            --os-identity-api-version=3 domain show $1 \
+            -f value -c id 2>/dev/null ||
+        # Creates new domain
+        openstack --os-token=$OS_TOKEN --os-url=$os_url \
+            --os-identity-api-version=3 domain create $1 \
+            --description "$2" \
+            -f value -c id
+    )
+    echo $domain_id
+}
+
+# Gets or creates group
+# Usage: get_or_create_group <groupname> [<domain> <description>]
+function get_or_create_group {
+    local domain=${2:+--domain ${2}}
+    local desc="${3:-}"
+    local os_url="$KEYSTONE_SERVICE_URI_V3"
+    # Gets group id
+    local group_id=$(
+        # Creates new group with --or-show
+        openstack --os-token=$OS_TOKEN --os-url=$os_url \
+            --os-identity-api-version=3 group create $1 \
+            $domain --description "$desc" --or-show \
+            -f value -c id
+    )
+    echo $group_id
+}
+
+# Gets or creates user
+# Usage: get_or_create_user <username> <password> [<email> [<domain>]]
+function get_or_create_user {
+    if [[ ! -z "$3" ]]; then
+        local email="--email=$3"
+    else
+        local email=""
+    fi
+    local os_cmd="openstack"
+    local domain=""
+    if [[ ! -z "$4" ]]; then
+        domain="--domain=$4"
+        os_cmd="$os_cmd --os-url=$KEYSTONE_SERVICE_URI_V3 --os-identity-api-version=3"
+    fi
+    # Gets user id
+    local user_id=$(
+        # Creates new user with --or-show
+        $os_cmd user create \
+            $1 \
+            --password "$2" \
+            $email \
+            $domain \
+            --or-show \
+            -f value -c id
+    )
+    echo $user_id
+}
+
+# Gets or creates project
+# Usage: get_or_create_project <name> [<domain>]
+function get_or_create_project {
+    # Gets project id
+    local os_cmd="openstack"
+    local domain=""
+    if [[ ! -z "$2" ]]; then
+        domain="--domain=$2"
+        os_cmd="$os_cmd --os-url=$KEYSTONE_SERVICE_URI_V3 --os-identity-api-version=3"
+    fi
+    local project_id=$(
+        # Creates new project with --or-show
+        $os_cmd project create $1 $domain --or-show -f value -c id
+    )
+    echo $project_id
+}
+
+# Gets or creates role
+# Usage: get_or_create_role <name>
+function get_or_create_role {
+    local role_id=$(
+        # Creates role with --or-show
+        openstack role create $1 --or-show -f value -c id
+    )
+    echo $role_id
+}
+
+# Gets or adds user role to project
+# Usage: get_or_add_user_project_role <role> <user> <project>
+function get_or_add_user_project_role {
+    # Gets user role id
+    local user_role_id=$(openstack role list \
+        --user $2 \
+        --project $3 \
+        --column "ID" \
+        --column "Name" \
+        | grep " $1 " | get_field 1)
+    if [[ -z "$user_role_id" ]]; then
+        # Adds role to user
+        user_role_id=$(openstack role add \
+            $1 \
+            --user $2 \
+            --project $3 \
+            | grep " id " | get_field 2)
+    fi
+    echo $user_role_id
+}
+
+# Gets or adds group role to project
+# Usage: get_or_add_group_project_role <role> <group> <project>
+function get_or_add_group_project_role {
+    # Gets group role id
+    local group_role_id=$(openstack role list \
+        --group $2 \
+        --project $3 \
+        --column "ID" \
+        --column "Name" \
+        | grep " $1 " | get_field 1)
+    if [[ -z "$group_role_id" ]]; then
+        # Adds role to group
+        group_role_id=$(openstack role add \
+            $1 \
+            --group $2 \
+            --project $3 \
+            | grep " id " | get_field 2)
+    fi
+    echo $group_role_id
+}
+
+# Gets or creates service
+# Usage: get_or_create_service <name> <type> <description>
+function get_or_create_service {
+    # Gets service id
+    local service_id=$(
+        # Gets service id
+        openstack service show $1 -f value -c id 2>/dev/null ||
+        # Creates new service if not exists
+        openstack service create \
+            $2 \
+            --name $1 \
+            --description="$3" \
+            -f value -c id
+    )
+    echo $service_id
+}
+
+# Gets or creates endpoint
+# Usage: get_or_create_endpoint <service> <region> <publicurl> <adminurl> <internalurl>
+function get_or_create_endpoint {
+    # Gets endpoint id
+    local endpoint_id=$(openstack endpoint list \
+        --column "ID" \
+        --column "Region" \
+        --column "Service Name" \
+        | grep " $2 " \
+        | grep " $1 " | get_field 1)
+    if [[ -z "$endpoint_id" ]]; then
+        # Creates new endpoint
+        endpoint_id=$(openstack endpoint create \
+            $1 \
+            --region $2 \
+            --publicurl $3 \
+            --adminurl $4 \
+            --internalurl $5 \
+            | grep " id " | get_field 2)
+    fi
+    echo $endpoint_id
+}
+
+
+# Package Functions
+# =================
+
+# _get_package_dir
+function _get_package_dir {
+    local base_dir=$1
+    local pkg_dir
+
+    if [[ -z "$base_dir" ]]; then
+        base_dir=$FILES
+    fi
+    if is_ubuntu; then
+        pkg_dir=$base_dir/debs
+    elif is_fedora; then
+        pkg_dir=$base_dir/rpms
+    elif is_suse; then
+        pkg_dir=$base_dir/rpms-suse
+    else
+        exit_distro_not_supported "list of packages"
+    fi
+    echo "$pkg_dir"
+}
+
+# Wrapper for ``apt-get`` to set cache and proxy environment variables
+# Uses globals ``OFFLINE``, ``*_proxy``
+# apt_get operation package [package ...]
+function apt_get {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+
+    [[ "$OFFLINE" = "True" || -z "$@" ]] && return
+    local sudo="sudo"
+    [[ "$(id -u)" = "0" ]] && sudo="env"
+
+    $xtrace
+
+    $sudo DEBIAN_FRONTEND=noninteractive \
+        http_proxy=${http_proxy:-} https_proxy=${https_proxy:-} \
+        no_proxy=${no_proxy:-} \
+        apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@"
+}
+
+function _parse_package_files {
+    local files_to_parse=$@
+
+    if [[ -z "$DISTRO" ]]; then
+        GetDistro
+    fi
+
+    for fname in ${files_to_parse}; do
+        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
+
+            if [[ $inst_pkg = 1 ]]; then
+                echo $package
+            fi
+        done
+        IFS=$OIFS
+    done
+}
+
+# get_packages() collects a list of package names of any type from the
+# prerequisite files in ``files/{debs|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 xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local services=$@
+    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
+    for service in ${services//,/ }; do
+        # Allow individual services to specify dependencies
+        if [[ -e ${package_dir}/${service} ]]; then
+            file_to_parse="${file_to_parse} ${package_dir}/${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 =~ $package_dir/nova ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/nova"
+            fi
+            if [[ ! $file_to_parse =~ $package_dir/glance ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/glance"
+            fi
+        elif [[ $service == c-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/cinder ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/cinder"
+            fi
+        elif [[ $service == ceilometer-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/ceilometer ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/ceilometer"
+            fi
+        elif [[ $service == s-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/swift ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/swift"
+            fi
+        elif [[ $service == n-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/nova ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/nova"
+            fi
+        elif [[ $service == g-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/glance ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/glance"
+            fi
+        elif [[ $service == key* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/keystone ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/keystone"
+            fi
+        elif [[ $service == q-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/neutron ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/neutron"
+            fi
+        elif [[ $service == ir-* ]]; then
+            if [[ ! $file_to_parse =~ $package_dir/ironic ]]; then
+                file_to_parse="${file_to_parse} ${package_dir}/ironic"
+            fi
+        fi
+    done
+    echo "$(_parse_package_files $file_to_parse)"
+    $xtrace
+}
+
+# get_plugin_packages() collects a list of package names of any type from a
+# plugin's prerequisite files in ``$PLUGIN/devstack/files/{debs|rpms}``.  The
+# list is intended to be passed to a package installer such as apt or yum.
+#
+# Only packages required for enabled and collected plugins will included.
+#
+# The same metadata used in the main DevStack prerequisite files may be used
+# in these prerequisite files, see get_packages() for more info.
+function get_plugin_packages {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local files_to_parse=""
+    local package_dir=""
+    for plugin in ${DEVSTACK_PLUGINS//,/ }; do
+        local package_dir="$(_get_package_dir ${GITDIR[$plugin]}/devstack/files)"
+        files_to_parse+="$package_dir/$plugin"
+    done
+    echo "$(_parse_package_files $files_to_parse)"
+    $xtrace
+}
+
+# Distro-agnostic package installer
+# Uses globals ``NO_UPDATE_REPOS``, ``REPOS_UPDATED``, ``RETRY_UPDATE``
+# install_package package [package ...]
+function update_package_repo {
+    NO_UPDATE_REPOS=${NO_UPDATE_REPOS:-False}
+    REPOS_UPDATED=${REPOS_UPDATED:-False}
+    RETRY_UPDATE=${RETRY_UPDATE:-False}
+
+    if [[ "$NO_UPDATE_REPOS" = "True" ]]; then
+        return 0
+    fi
+
+    if is_ubuntu; then
+        local xtrace=$(set +o | grep xtrace)
+        set +o xtrace
+        if [[ "$REPOS_UPDATED" != "True" || "$RETRY_UPDATE" = "True" ]]; then
+            # if there are transient errors pulling the updates, that's fine.
+            # It may be secondary repositories that we don't really care about.
+            apt_get update  || /bin/true
+            REPOS_UPDATED=True
+        fi
+        $xtrace
+    fi
+}
+
+function real_install_package {
+    if is_ubuntu; then
+        apt_get install "$@"
+    elif is_fedora; then
+        yum_install "$@"
+    elif is_suse; then
+        zypper_install "$@"
+    else
+        exit_distro_not_supported "installing packages"
+    fi
+}
+
+# Distro-agnostic package installer
+# install_package package [package ...]
+function install_package {
+    update_package_repo
+    real_install_package $@ || RETRY_UPDATE=True update_package_repo && real_install_package $@
+}
+
+# Distro-agnostic function to tell if a package is installed
+# is_package_installed package [package ...]
+function is_package_installed {
+    if [[ -z "$@" ]]; 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 "$@"
+    else
+        exit_distro_not_supported "finding if a package is installed"
+    fi
+}
+
+# Distro-agnostic package uninstaller
+# uninstall_package package [package ...]
+function uninstall_package {
+    if is_ubuntu; then
+        apt_get purge "$@"
+    elif is_fedora; then
+        sudo ${YUM:-yum} remove -y "$@" ||:
+    elif is_suse; then
+        sudo zypper rm "$@"
+    else
+        exit_distro_not_supported "uninstalling packages"
+    fi
+}
+
+# Wrapper for ``yum`` to set proxy environment variables
+# Uses globals ``OFFLINE``, ``*_proxy``, ``YUM``
+# yum_install package [package ...]
+function yum_install {
+    [[ "$OFFLINE" = "True" ]] && return
+    local sudo="sudo"
+    [[ "$(id -u)" = "0" ]] && sudo="env"
+
+    # The manual check for missing packages is because yum -y assumes
+    # missing packages are OK.  See
+    # https://bugzilla.redhat.com/show_bug.cgi?id=965567
+    $sudo http_proxy="${http_proxy:-}" https_proxy="${https_proxy:-}" \
+        no_proxy="${no_proxy:-}" \
+        ${YUM:-yum} install -y "$@" 2>&1 | \
+        awk '
+            BEGIN { fail=0 }
+            /No package/ { fail=1 }
+            { print }
+            END { exit fail }' || \
+                die $LINENO "Missing packages detected"
+
+    # also ensure we catch a yum failure
+    if [[ ${PIPESTATUS[0]} != 0 ]]; then
+        die $LINENO "${YUM:-yum} install failure"
+    fi
+}
+
+# zypper wrapper to set arguments correctly
+# Uses globals ``OFFLINE``, ``*_proxy``
+# 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="${https_proxy:-}" \
+        no_proxy="${no_proxy:-}" \
+        zypper --non-interactive install --auto-agree-with-licenses "$@"
+}
+
+
+# Process Functions
+# =================
+
+# _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.
+# Uses globals ``CURRENT_LOG_TIME``, ``LOGDIR``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR``
+# If an optional group is provided sg will be used to set the group of
+# the command.
+# _run_process service "command-line" [group]
+function _run_process {
+    local service=$1
+    local command="$2"
+    local group=$3
+
+    # Undo logging redirections and close the extra descriptors
+    exec 1>&3
+    exec 2>&3
+    exec 3>&-
+    exec 6>&-
+
+    local real_logfile="${LOGDIR}/${service}.log.${CURRENT_LOG_TIME}"
+    if [[ -n ${LOGDIR} ]]; then
+        exec 1>&"$real_logfile" 2>&1
+        ln -sf "$real_logfile" ${LOGDIR}/${service}.log
+        if [[ -n ${SCREEN_LOGDIR} ]]; then
+            # Drop the backward-compat symlink
+            ln -sf "$real_logfile" ${SCREEN_LOGDIR}/screen-${service}.log
+        fi
+
+        # TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs.
+        export PYTHONUNBUFFERED=1
+    fi
+
+    # Run under ``setsid`` to force the process to become a session and group leader.
+    # The pid saved can be used with pkill -g to get the entire process group.
+    if [[ -n "$group" ]]; then
+        setsid sg $group "$command" & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid
+    else
+        setsid $command & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid
+    fi
+
+    # Just silently exit this process
+    exit 0
+}
+
+# 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
+# Uses globals ``SCREEN_NAME``, ``SERVICE_DIR``
+# 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
+}
+
+# Find out if a process exists by partial name.
+# is_running name
+function is_running {
+    local name=$1
+    ps auxw | grep -v grep | grep ${name} > /dev/null
+    local exitcode=$?
+    # some times I really hate bash reverse binary logic
+    return $exitcode
+}
+
+# Run a single service under screen or directly
+# If the command includes shell metachatacters (;<>*) it must be run using a shell
+# If an optional group is provided sg will be used to run the
+# command as that group.
+# run_process service "command-line" [group]
+function run_process {
+    local service=$1
+    local command="$2"
+    local group=$3
+
+    if is_service_enabled $service; then
+        if [[ "$USE_SCREEN" = "True" ]]; then
+            screen_process "$service" "$command" "$group"
+        else
+            # Spawn directly without screen
+            _run_process "$service" "$command" "$group" &
+        fi
+    fi
+}
+
+# Helper to launch a process in a named screen
+# Uses globals ``CURRENT_LOG_TIME``, ```LOGDIR``, ``SCREEN_LOGDIR``, `SCREEN_NAME``,
+# ``SERVICE_DIR``, ``USE_SCREEN``
+# screen_process name "command-line" [group]
+# Run a command in a shell in a screen window, if an optional group
+# is provided, use sg to set the group of the command.
+function screen_process {
+    local name=$1
+    local command="$2"
+    local group=$3
+
+    SCREEN_NAME=${SCREEN_NAME:-stack}
+    SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
+    USE_SCREEN=$(trueorfalse True USE_SCREEN)
+
+    screen -S $SCREEN_NAME -X screen -t $name
+
+    local real_logfile="${LOGDIR}/${name}.log.${CURRENT_LOG_TIME}"
+    echo "LOGDIR: $LOGDIR"
+    echo "SCREEN_LOGDIR: $SCREEN_LOGDIR"
+    echo "log: $real_logfile"
+    if [[ -n ${LOGDIR} ]]; then
+        screen -S $SCREEN_NAME -p $name -X logfile "$real_logfile"
+        screen -S $SCREEN_NAME -p $name -X log on
+        ln -sf "$real_logfile" ${LOGDIR}/${name}.log
+        if [[ -n ${SCREEN_LOGDIR} ]]; then
+            # Drop the backward-compat symlink
+            ln -sf "$real_logfile" ${SCREEN_LOGDIR}/screen-${1}.log
+        fi
+    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.  This sleep was added originally to handle gate runs
+    # where we needed this to be at least 3 seconds to pass
+    # consistently on slow clouds. Now this is configurable so that we
+    # can determine a reasonable value for the local case which should
+    # be much smaller.
+    sleep ${SCREEN_SLEEP:-3}
+
+    NL=`echo -ne '\015'`
+    # This fun command does the following:
+    # - the passed server command is backgrounded
+    # - the pid of the background process is saved in the usual place
+    # - the server process is brought back to the foreground
+    # - if the server process exits prematurely the fg command errors
+    # and a message is written to stdout and the process failure file
+    #
+    # The pid saved can be used in stop_process() as a process group
+    # id to kill off all child processes
+    if [[ -n "$group" ]]; then
+        command="sg $group '$command'"
+    fi
+
+    # Append the process to the screen rc file
+    screen_rc "$name" "$command"
+
+    screen -S $SCREEN_NAME -p $name -X stuff "$command & echo \$! >$SERVICE_DIR/$SCREEN_NAME/${name}.pid; fg || echo \"$name failed to start\" | tee \"$SERVICE_DIR/$SCREEN_NAME/${name}.failure\"$NL"
+}
+
+# Screen rc file builder
+# Uses globals ``SCREEN_NAME``, ``SCREENRC``
+# 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
+
+        if [[ -n ${LOGDIR} ]]; then
+            echo "logfile ${LOGDIR}/${1}.log.${CURRENT_LOG_TIME}" >>$SCREENRC
+            echo "log on" >>$SCREENRC
+        fi
+    fi
+}
+
+# Stop a service in screen
+# If a PID is available use it, kill the whole process group via TERM
+# If screen is being used kill the screen window; this will catch processes
+# that did not leave a PID behind
+# Uses globals ``SCREEN_NAME``, ``SERVICE_DIR``, ``USE_SCREEN``
+# screen_stop_service service
+function screen_stop_service {
+    local service=$1
+
+    SCREEN_NAME=${SCREEN_NAME:-stack}
+    SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
+    USE_SCREEN=$(trueorfalse True USE_SCREEN)
+
+    if is_service_enabled $service; then
+        # Clean up the screen window
+        screen -S $SCREEN_NAME -p $service -X kill
+    fi
+}
+
+# Stop a service process
+# If a PID is available use it, kill the whole process group via TERM
+# If screen is being used kill the screen window; this will catch processes
+# that did not leave a PID behind
+# Uses globals ``SERVICE_DIR``, ``USE_SCREEN``
+# stop_process service
+function stop_process {
+    local service=$1
+
+    SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
+    USE_SCREEN=$(trueorfalse True USE_SCREEN)
+
+    if is_service_enabled $service; then
+        # Kill via pid if we have one available
+        if [[ -r $SERVICE_DIR/$SCREEN_NAME/$service.pid ]]; then
+            pkill -g $(cat $SERVICE_DIR/$SCREEN_NAME/$service.pid)
+            rm $SERVICE_DIR/$SCREEN_NAME/$service.pid
+        fi
+        if [[ "$USE_SCREEN" = "True" ]]; then
+            # Clean up the screen window
+            screen_stop_service $service
+        fi
+    fi
+}
+
+# Helper to get the status of each running service
+# Uses globals ``SCREEN_NAME``, ``SERVICE_DIR``
+# service_check
+function service_check {
+    local service
+    local failures
+    SCREEN_NAME=${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
+    # make this -o errexit safe
+    failures=`ls "$SERVICE_DIR/$SCREEN_NAME"/*.failure 2>/dev/null || /bin/true`
+
+    for service in $failures; do
+        service=`basename $service`
+        service=${service%.failure}
+        echo "Error: Service $service is not running"
+    done
+
+    if [ -n "$failures" ]; then
+        die $LINENO "More details about the above errors can be found with screen, with ./rejoin-stack.sh"
+    fi
+}
+
+# Tail a log file in a screen if USE_SCREEN is true.
+function tail_log {
+    local name=$1
+    local logfile=$2
+
+    USE_SCREEN=$(trueorfalse True USE_SCREEN)
+    if [[ "$USE_SCREEN" = "True" ]]; then
+        screen_process "$name" "sudo tail -f $logfile"
+    fi
+}
+
+
+# Deprecated Functions
+# --------------------
+
+# _old_run_process() is designed to be backgrounded by old_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``
+# Uses globals ``CURRENT_LOG_TIME``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR``
+# _old_run_process service "command-line"
+function _old_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-${1}.log.${CURRENT_LOG_TIME} 2>&1
+        ln -sf ${SCREEN_LOGDIR}/screen-${1}.log.${CURRENT_LOG_TIME} ${SCREEN_LOGDIR}/screen-${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: $command"
+}
+
+# old_run_process() launches a child process that closes all file descriptors and
+# then exec's the passed in command.  This is meant to duplicate the semantics
+# of screen_it() without screen.  PIDs are written to
+# ``$SERVICE_DIR/$SCREEN_NAME/$service.pid`` by the spawned child process.
+# old_run_process service "command-line"
+function old_run_process {
+    local service=$1
+    local command="$2"
+
+    # Spawn the child process
+    _old_run_process "$service" "$command" &
+    echo $!
+}
+
+# Compatibility for existing start_XXXX() functions
+# Uses global ``USE_SCREEN``
+# screen_it service "command-line"
+function screen_it {
+    if is_service_enabled $1; then
+        # Append the service to the screen rc file
+        screen_rc "$1" "$2"
+
+        if [[ "$USE_SCREEN" = "True" ]]; then
+            screen_process "$1" "$2"
+        else
+            # Spawn directly without screen
+            old_run_process "$1" "$2" >$SERVICE_DIR/$SCREEN_NAME/$1.pid
+        fi
+    fi
+}
+
+# Compatibility for existing stop_XXXX() functions
+# Stop a service in screen
+# If a PID is available use it, kill the whole process group via TERM
+# If screen is being used kill the screen window; this will catch processes
+# that did not leave a PID behind
+# screen_stop service
+function screen_stop {
+    # Clean up the screen window
+    stop_process $1
+}
+
+
+# Plugin Functions
+# =================
+
+DEVSTACK_PLUGINS=${DEVSTACK_PLUGINS:-""}
+
+# enable_plugin <name> <url> [branch]
+#
+# ``name`` is an arbitrary name - (aka: glusterfs, nova-docker, zaqar)
+# ``url`` is a git url
+# ``branch`` is a gitref. If it's not set, defaults to master
+function enable_plugin {
+    local name=$1
+    local url=$2
+    local branch=${3:-master}
+    DEVSTACK_PLUGINS+=",$name"
+    GITREPO[$name]=$url
+    GITDIR[$name]=$DEST/$name
+    GITBRANCH[$name]=$branch
+}
+
+# fetch_plugins
+#
+# clones all plugins
+function fetch_plugins {
+    local plugins="${DEVSTACK_PLUGINS}"
+    local plugin
+
+    # short circuit if nothing to do
+    if [[ -z $plugins ]]; then
+        return
+    fi
+
+    echo "Fetching DevStack plugins"
+    for plugin in ${plugins//,/ }; do
+        git_clone_by_name $plugin
+    done
+}
+
+# load_plugin_settings
+#
+# Load settings from plugins in the order that they were registered
+function load_plugin_settings {
+    local plugins="${DEVSTACK_PLUGINS}"
+    local plugin
+
+    # short circuit if nothing to do
+    if [[ -z $plugins ]]; then
+        return
+    fi
+
+    echo "Loading plugin settings"
+    for plugin in ${plugins//,/ }; do
+        local dir=${GITDIR[$plugin]}
+        # source any known settings
+        if [[ -f $dir/devstack/settings ]]; then
+            source $dir/devstack/settings
+        fi
+    done
+}
+
+# plugin_override_defaults
+#
+# Run an extremely early setting phase for plugins that allows default
+# overriding of services.
+function plugin_override_defaults {
+    local plugins="${DEVSTACK_PLUGINS}"
+    local plugin
+
+    # short circuit if nothing to do
+    if [[ -z $plugins ]]; then
+        return
+    fi
+
+    echo "Overriding Configuration Defaults"
+    for plugin in ${plugins//,/ }; do
+        local dir=${GITDIR[$plugin]}
+        # source any overrides
+        if [[ -f $dir/devstack/override-defaults ]]; then
+            # be really verbose that an override is happening, as it
+            # may not be obvious if things fail later.
+            echo "$plugin has overriden the following defaults"
+            cat $dir/devstack/override-defaults
+            source $dir/devstack/override-defaults
+        fi
+    done
+}
+
+# run_plugins
+#
+# Run the devstack/plugin.sh in all the plugin directories. These are
+# run in registration order.
+function run_plugins {
+    local mode=$1
+    local phase=$2
+
+    local plugins="${DEVSTACK_PLUGINS}"
+    local plugin
+    for plugin in ${plugins//,/ }; do
+        local dir=${GITDIR[$plugin]}
+        if [[ -f $dir/devstack/plugin.sh ]]; then
+            source $dir/devstack/plugin.sh $mode $phase
+        fi
+    done
+}
+
+function run_phase {
+    local mode=$1
+    local phase=$2
+    if [[ -d $TOP_DIR/extras.d ]]; then
+        for i in $TOP_DIR/extras.d/*.sh; do
+            [[ -r $i ]] && source $i $mode $phase
+        done
+    fi
+    # the source phase corresponds to settings loading in plugins
+    if [[ "$mode" == "source" ]]; then
+        load_plugin_settings
+    elif [[ "$mode" == "override_defaults" ]]; then
+        plugin_override_defaults
+    else
+        run_plugins $mode $phase
+    fi
+}
+
+
+# Service Functions
+# =================
+
+# remove extra commas from the input string (i.e. ``ENABLED_SERVICES``)
+# _cleanup_service_list service-list
+function _cleanup_service_list {
+    echo "$1" | sed -e '
+        s/,,/,/g;
+        s/^,//;
+        s/,$//
+    '
+}
+
+# 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")
+}
+
+# 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 "$tmpsvcs")
+}
+
+# enable_service() adds the services passed as argument to the
+# ``ENABLED_SERVICES`` list, if they are not already present.
+#
+# For example:
+#   enable_service qpid
+#
+# This function does not know about the special cases
+# for nova, glance, and neutron built into is_service_enabled().
+# Uses global ``ENABLED_SERVICES``
+# enable_service service [service ...]
+function enable_service {
+    local tmpsvcs="${ENABLED_SERVICES}"
+    local service
+    for service in $@; do
+        if ! is_service_enabled $service; then
+            tmpsvcs+=",$service"
+        fi
+    done
+    ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
+    disable_negated_services
+}
+
+# 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 {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local enabled=1
+    local services=$@
+    local service
+    for service in ${services}; do
+        [[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && enabled=0
+
+        # Look for top-level 'enabled' function for this service
+        if type is_${service}_enabled >/dev/null 2>&1; then
+            # A function exists for this service, use it
+            is_${service}_enabled
+            enabled=$?
+        fi
+
+        # TODO(dtroyer): Remove these legacy special-cases after the is_XXX_enabled()
+        #                are implemented
+
+        [[ ${service} == n-cell-* && ${ENABLED_SERVICES} =~ "n-cell" ]] && enabled=0
+        [[ ${service} == n-cpu-* && ${ENABLED_SERVICES} =~ "n-cpu" ]] && enabled=0
+        [[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && enabled=0
+        [[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && enabled=0
+        [[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && enabled=0
+        [[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && enabled=0
+        [[ ${service} == "ironic" && ${ENABLED_SERVICES} =~ "ir-" ]] && enabled=0
+        [[ ${service} == "neutron" && ${ENABLED_SERVICES} =~ "q-" ]] && enabled=0
+        [[ ${service} == "trove" && ${ENABLED_SERVICES} =~ "tr-" ]] && enabled=0
+        [[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && enabled=0
+        [[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && enabled=0
+    done
+    $xtrace
+    return $enabled
+}
+
+# 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
+    local out=$2
+    [ -z $selection ] || [[ ! "$options" =~ "$selection" ]] && return 1
+    local opt
+    for opt in $options;do
+        [[ "$opt" = "$selection" ]] && enable_service $opt || disable_service $opt
+    done
+    eval "$out=$selection"
+    return 0
+}
+
+
+# System Functions
+# ================
+
+# Only run the command if the target file (the last arg) is not on an
+# NFS filesystem.
+function _safe_permission_operation {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local args=( $@ )
+    local last
+    local sudo_cmd
+    local dir_to_check
+
+    let last="${#args[*]} - 1"
+
+    local 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
+        $xtrace
+        return 0
+    fi
+
+    if [[ $TRACK_DEPENDS = True ]]; then
+        sudo_cmd="env"
+    else
+        sudo_cmd="sudo"
+    fi
+
+    $xtrace
+    $sudo_cmd $@
+}
+
+# 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 ]]
+}
+
+# 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
+}
+
+# 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}
+}
+
+# Gracefully cp only if source file/dir exists
+# cp_it source destination
+function cp_it {
+    if [ -e $1 ] || [ -d $1 ]; then
+        cp -pRL $1 $2
+    fi
+}
+
+# HTTP and HTTPS proxy servers are supported via the usual environment variables [1]
+# ``http_proxy``, ``https_proxy`` and ``no_proxy``. They can be set in
+# ``localrc`` or on the command line if necessary::
+#
+# [1] http://www.w3.org/Daemon/User/Proxies/ProxyClients.html
+#
+#     http_proxy=http://proxy.example.com:3128/ no_proxy=repo.example.net ./stack.sh
+
+# Unused function
+#function export_proxy_variables {
+#    if isset http_proxy ; then
+#        export http_proxy=$http_proxy
+#    fi
+#    if isset https_proxy ; then
+#        export https_proxy=$https_proxy
+#    fi
+#    if isset no_proxy ; then
+#        export no_proxy=$no_proxy
+#    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"
+}
+
+# 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
+}
+
+# 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
+}
+
+# Only change permissions of a file or directory if it is not on an
+# NFS filesystem.
+function safe_chmod {
+    _safe_permission_operation chmod $@
+}
+
+# Only change ownership of a file or directory if it is not on an NFS
+# filesystem.
+function safe_chown {
+    _safe_permission_operation chown $@
+}
+
+# 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 $1 stop
+    fi
+}
+
+
+# Restore xtrace
+$XTRACE
+
+# Local variables:
+# mode: shell-script
+# End:
+
+if [[ $EUID -gt 0 ]]; then
+    echo "####################################################"
+    echo "#                                                  #"
+    echo "#  ERROR: You must be root to run this script!!!!  #"
+    echo "#                                                  #"
+    echo "####################################################"
+    exit 1
+fi
+
+export PATH=$PATH:/usr/local/bin:/usr/local/sbin
+
+# XXX a bit brutal but otherwise it cannot work, without tty enabled.  
+if [ -f /etc/sudoers ]; then
+  sed -i "/requiretty/d" /etc/sudoers
+fi
+
+# Include Additional Functions
+function download_playbook {
+    if [ ! -f /etc/opt/slapcache.cfg ]; then
+      slapcache-conf
+    fi
+    DFILE="/tmp/tmpplaybook$(basename $0).$$/"
+    TFILE="archive.tar.gz"
+    mkdir -p $DFILE
+    cd $DFILE
+    slapcache-download --destination=$TFILE
+    tar -xzvf $TFILE
+    rm $TFILE
+}
+
+# Determine what system we are running on.  This provides ``os_VENDOR``,
+# ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
+# and ``DISTRO``
+GetDistro
+
+if [[ ${DISTRO} =~ (-.) ]] && [[ -f /etc/debian_version ]]; then
+  apt_get install lsb-release
+  GetDistro
+fi
+
+# Warn users who aren't on an explicitly supported distro, but allow them to
+# override check and attempt installation with ``export FORCE=yes``
+if [[ ! ${DISTRO} =~ (wheezy|jessie|trusty|vivid|xenial|rhel7|rhel6|LinuxMint-17.2) ]]; then
+    echo "WARNING: this script has not been tested on $DISTRO"
+    if [[ "$FORCE" != "yes" ]]; then
+        die $LINENO "If you wish to run this script anyway run with FORCE=yes"
+    fi
+fi
+
+# Make sure wheezy backports are available.
+if [[ $DISTRO == "wheezy" ]]; then
+    echo "deb http://ftp.debian.org/debian wheezy-backports main contrib " > /etc/apt/sources.list.d/wheezy-backports.list
+fi
+
+if is_fedora && [[ $DISTRO == "rhel7" ]]; then
+    # RHEL requires EPEL for many Ansible dependencies
+
+    # NOTE: We always remove and install latest -- some environments
+    # use snapshot images, and if EPEL version updates they break
+    # unless we update them to latest version.
+    if sudo yum repolist enabled epel | grep -q 'epel'; then
+        uninstall_package epel-release || true
+    fi
+
+    # This trick installs the latest epel-release from a bootstrap
+    # repo, then removes itself (as epel-release installed the
+    # "real" repo).
+    #
+    # You would think that rather than this, you could use
+    # $releasever directly in .repo file we create below.  However
+    # RHEL gives a $releasever of "6Server" which breaks the path;
+    # see https://bugzilla.redhat.com/show_bug.cgi?id=1150759
+    cat <<EOF | sudo tee /etc/yum.repos.d/epel-bootstrap.repo
+[epel-bootstrap]
+name=Bootstrap EPEL
+mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=epel-7&arch=\$basearch
+failovermethod=priority
+enabled=0
+gpgcheck=0
+EOF
+    yum update -y
+    yum_install yum-utils
+    # Enable a bootstrap repo.  It is removed after finishing
+    # the epel-release installation.
+    yum-config-manager --enable epel-bootstrap
+    yum_install epel-release || \
+        die $LINENO "Error installing EPEL repo, cannot continue"
+    # EPEL rpm has installed it's version
+    rm -f /etc/yum.repos.d/epel-bootstrap.repo
+
+    # ... and also optional to be enabled
+    is_package_installed yum-utils || install_package yum-utils
+    yum-config-manager --enable rhel-7-server-optional-rpms
+
+fi
+
+if is_fedora && [[ $DISTRO == "rhel6" ]]; then
+    sed -i "/requiretty/d" /etc/sudoers
+    if sudo yum repolist enabled epel | grep -q 'epel'; then
+        uninstall_package epel-release || true
+    fi
+
+    cat <<EOF | sudo tee /etc/yum.repos.d/epel-bootstrap.repo
+[epel-bootstrap]
+name=Bootstrap EPEL
+mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=\$basearch
+failovermethod=priority
+enabled=0
+gpgcheck=0
+EOF
+    yum update -y
+    yum_install yum-utils
+    yum-config-manager --enable epel-bootstrap
+    yum_install epel-release || \
+        die $LINENO "Error installing EPEL repo, cannot continue"
+    # EPEL rpm has installed it's version
+    rm -f /etc/yum.repos.d/epel-bootstrap.repo
+
+    is_package_installed yum-utils || install_package yum-utils
+    yum-config-manager --enable rhel-6-server-optional-rpms
+
+    is_package_installed libselinux-python || install_package libselinux-python
+fi
+
+is_package_installed openssl || install_package openssl
+# stick to a specific ansible package version
+if is_ubuntu; then
+  # is_ubuntu also handle debian distro
+  is_package_installed ansible || install_package ansible=1.*
+elif is_fedora; then
+  # is_fedora also handle CentOS distro
+  is_package_installed ansible || install_package ansible1.9.noarch
+else
+  is_package_installed ansible || install_package ansible
+fi
+is_package_installed python-setuptools || install_package python-setuptools
+
+if is_ubuntu && [[ $DISTRO == "trusty" ]]; then
+  is_package_installed python-apt || install_package python-apt
+  is_package_installed python-pycurl || install_package python-pycurl
+fi
+
+if is_ubuntu && [[ $DISTRO == "vivid" ]]; then
+  is_package_installed python-apt || install_package python-apt
+  is_package_installed python-pycurl || install_package python-pycurl
+fi
+
+if [[ $DISTRO == "LinuxMint-17.2" ]]; then
+  is_package_installed python-apt || install_package python-apt
+  is_package_installed python-pycurl || install_package python-pycurl
+fi
+
+ANSIBLE_PLUGIN_LOCATION="/usr/share/ansible_plugins/callback_plugins/"
+mkdir -p $ANSIBLE_PLUGIN_LOCATION
+/bin/cat << EOF > $ANSIBLE_PLUGIN_LOCATION/log_parse.py
+import os
+import time
+import json
+import ansible
+
+baseModule = object
+ANSIBLE_VERSION = 1
+
+if hasattr(ansible, 'plugins') and  hasattr(ansible.plugins, 'callback'):
+  baseModule = ansible.plugins.callback.CallbackBase
+  ANSIBLE_VERSION = 2
+
+class CallbackModule(baseModule):
+    """
+    logs playbook results, per host, in /var/log/ansible/hosts
+    """
+    log_path = '/var/log/ansible/hosts'
+    fd_list = {}
+
+    def __init__(self):
+
+      if ANSIBLE_VERSION > 1:
+        super(CallbackModule, self).__init__()
+
+      if not os.path.exists(self.log_path):
+        os.makedirs(self.log_path)
+      else:
+        for filename in os.listdir(self.log_path):
+          filepath = os.path.join(self.log_path, filename)
+          if os.path.exists(filepath) and os.path.isfile(filepath):
+            os.unlink(filepath)
+
+    def writeLog(self, host, category, content):
+      if not self.fd_list.has_key(category):
+        self.fd_list[category] = open(
+          os.path.join(self.log_path, '%s_%s' % (host, category)), "a"
+        )
+
+      self.fd_list[category].write(content + '\n')
+
+    def log(self, host, category, data, ignore_errors=False):
+      if host == "localhost":
+        host = "127.0.0.1" # keep compatibility
+
+      if type(data) == dict:
+        if '_ansible_verbose_override' in data:
+          # avoid logging extraneous data
+          return
+
+        data = data.copy()
+        content = json.dumps(data)
+
+        if ignore_errors:
+          category = '%s_IGNORED' % category
+        self.writeLog(host, category, content)
+
+    def _stats(self, stats):
+      for key in self.fd_list:
+        self.fd_list[key].close()
+
+    def runner_on_failed(self, host, res, ignore_errors=False):
+      self.log(host, 'FAILED', res, ignore_errors)
+
+    def runner_on_ok(self, host, res):
+      self.log(host, 'OK', res)
+
+    def runner_on_skipped(self, host, item=None):
+      pass
+
+    def runner_on_unreachable(self, host, res):
+      self.log(host, 'UNREACHABLE', res)
+
+    def runner_on_async_failed(self, host, res, jid):
+      self.log(host, 'ASYNC_FAILED', res)
+
+    def playbook_on_import_for_host(self, host, imported_file):
+      self.log(host, 'IMPORTED', imported_file)
+
+    def playbook_on_not_import_for_host(self, host, missing_file):
+      self.log(host, 'NOTIMPORTED', missing_file)
+
+    def playbook_on_stats(self, stats):
+      self._stats(stats)
+
+EOF
+
+ansible localhost -m easy_install -a name=slapcache --connection=local
+ansible localhost -m easy_install -a name=requests --connection=local
+
+# Include Additional Functions
+if [ ! -f /etc/opt/slapcache.cfg ]; then
+  slapcache-conf
+fi
+sed -i "s/key = slapos-global-key/key = slapos-global-official-vifib-key/g" /etc/opt/slapcache.cfg 
+
+DFILE="/tmp/tmpplaybook_unstable$(basename $0).$$/"
+TFILE="archive.tar.gz"
+mkdir -p $DFILE
+cd $DFILE
+wget -O $TFILE http://10.0.2.100/playbook.tar.gz
+tar -xzvf $TFILE
+rm $TFILE
+
+clear
+
+echo "Starting Ansible playbook:"
+ansible-playbook {{ yml-file }} -i hosts --connection=local