# lib/cinder

# Install and start Cinder volume service

# Dependencies:

# - functions

# - KEYSTONE_AUTH_* must be defined

# SERVICE_{TENANT_NAME|PASSWORD} must be defined

# stack.sh

# ---------

# install_XXX

# configure_XXX

# init_XXX

# start_XXX

# stop_XXX

# cleanup_XXX

# Print the commands being run so that we can see the command that triggers

# an error. It is also useful for following along as the install occurs.

set -o xtrace

# Defaults

# --------

# set up default directories

CINDER_DIR=$DEST/cinder

CINDERCLIENT_DIR=$DEST/python-cinderclient

CINDER_CONF_DIR=/etc/cinder

CINDER_CONF=$CINDER_CONF_DIR/cinder.conf

# Name of the lvm volume group to use/create for iscsi volumes

VOLUME_GROUP=${VOLUME_GROUP:-stack-volumes}

VOLUME_NAME_PREFIX=${VOLUME_NAME_PREFIX:-volume-}

# cleanup_cinder() - Remove residual data files, anything left over from previous

# runs that a clean run would need to clean up

function cleanup_cinder() {

# This function intentionally left blank

:

}

# configure_cinder() - Set config files, create data dirs, etc

function configure_cinder() {

setup_develop $CINDER_DIR

setup_develop $CINDERCLIENT_DIR

if [[ ! -d $CINDER_CONF_DIR ]]; then

sudo mkdir -p $CINDER_CONF_DIR

fi

sudo chown `whoami` $CINDER_CONF_DIR

cp -p $CINDER_DIR/etc/cinder/policy.json $CINDER_CONF_DIR

CINDER_API_PASTE_INI=$CINDER_CONF_DIR/api-paste.ini

cp $CINDER_DIR/etc/cinder/api-paste.ini $CINDER_API_PASTE_INI

iniset $CINDER_API_PASTE_INI filter:authtoken auth_host $KEYSTONE_AUTH_HOST

iniset $CINDER_API_PASTE_INI filter:authtoken auth_port $KEYSTONE_AUTH_PORT

iniset $CINDER_API_PASTE_INI filter:authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL

iniset $CINDER_API_PASTE_INI filter:authtoken admin_tenant_name $SERVICE_TENANT_NAME

iniset $CINDER_API_PASTE_INI filter:authtoken admin_user cinder

iniset $CINDER_API_PASTE_INI filter:authtoken admin_password $SERVICE_PASSWORD

cp $CINDER_DIR/etc/cinder/cinder.conf.sample $CINDER_CONF

iniset $CINDER_CONF DEFAULT auth_strategy keystone

iniset $CINDER_CONF DEFAULT verbose True

iniset $CINDER_CONF DEFAULT volume_group $VOLUME_GROUP

iniset $CINDER_CONF DEFAULT volume_name_template ${VOLUME_NAME_PREFIX}%s

iniset $CINDER_CONF DEFAULT iscsi_helper tgtadm

iniset $CINDER_CONF DEFAULT sql_connection $BASE_SQL_CONN/cinder?charset=utf8

iniset $CINDER_CONF DEFAULT rabbit_host $RABBIT_HOST

iniset $CINDER_CONF DEFAULT rabbit_password $RABBIT_PASSWORD

iniset $CINDER_CONF DEFAULT api_paste_config $CINDER_API_PASTE_INI

}

# init_cinder() - Initialize database and volume group

function init_cinder() {

# Force nova volumes off

NOVA_ENABLED_APIS=$(echo $NOVA_ENABLED_APIS | sed "s/osapi_volume,//")

if is_service_enabled mysql; then

# (re)create cinder database

mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'DROP DATABASE IF EXISTS cinder;'

mysql -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'CREATE DATABASE cinder;'

# (re)create cinder database

$CINDER_DIR/bin/cinder-manage db sync

fi

if is_service_enabled c-vol; then

# Configure a default volume group called '`stack-volumes`' for the volume

# service if it does not yet exist. If you don't wish to use a file backed

# volume group, create your own volume group called ``stack-volumes`` before

# invoking ``stack.sh``.

#

# By default, the backing file is 2G in size, and is stored in ``/opt/stack/data``.

if ! sudo vgs $VOLUME_GROUP; then

VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}

VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}

# Only create if the file doesn't already exists

[[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE

DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`

# Only create if the loopback device doesn't contain $VOLUME_GROUP

if ! sudo vgs $VOLUME_GROUP; then sudo vgcreate $VOLUME_GROUP $DEV; fi

fi

if sudo vgs $VOLUME_GROUP; then

# Remove iscsi targets

sudo tgtadm --op show --mode target | grep $VOLUME_NAME_PREFIX | grep Target | cut -f3 -d ' ' | sudo xargs -n1 tgt-admin --delete || true

# Clean out existing volumes

for lv in `sudo lvs --noheadings -o lv_name $VOLUME_GROUP`; do

# VOLUME_NAME_PREFIX prefixes the LVs we want

if [[ "${lv#$VOLUME_NAME_PREFIX}" != "$lv" ]]; then

sudo lvremove -f $VOLUME_GROUP/$lv

fi

done

fi

fi

}

# install_cinder() - Collect source and prepare

function install_cinder() {

git_clone $CINDER_REPO $CINDER_DIR $CINDER_BRANCH

git_clone $CINDERCLIENT_REPO $CINDERCLIENT_DIR $CINDERCLIENT_BRANCH

}

# start_cinder() - Start running processes, including screen

function start_cinder() {

if is_service_enabled c-vol; then

if [[ "$os_PACKAGE" = "deb" ]]; then

# tgt in oneiric doesn't restart properly if tgtd isn't running

# do it in two steps

sudo stop tgt || true

sudo start tgt

else

# bypass redirection to systemctl during restart

sudo /sbin/service --skip-redirect tgtd restart

fi

fi

screen_it c-api "cd $CINDER_DIR && $CINDER_DIR/bin/cinder-api --config-file $CINDER_CONF"

screen_it c-vol "cd $CINDER_DIR && $CINDER_DIR/bin/cinder-volume --config-file $CINDER_CONF"

screen_it c-sch "cd $CINDER_DIR && $CINDER_DIR/bin/cinder-scheduler --config-file $CINDER_CONF"

}

# stop_cinder() - Stop running processes (non-screen)

function stop_cinder() {

# FIXME(dtroyer): stop only the cinder screen window?

if is_service_enabled c-vol; then

stop_service tgt

fi

}