devstack/lib/cinder

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# lib/cinder
# Install and start **Cinder** volume service
# Dependencies:
# - functions
# - DEST, DATA_DIR must be defined
# SERVICE_{TENANT_NAME|PASSWORD} must be defined
# ``KEYSTONE_TOKEN_FORMAT`` must be defined
# stack.sh
# ---------
# install_cinder
# configure_cinder
# init_cinder
# start_cinder
# stop_cinder
# cleanup_cinder
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# set up default driver
CINDER_DRIVER=${CINDER_DRIVER:-default}
# set up default directories
CINDER_DIR=$DEST/cinder
CINDERCLIENT_DIR=$DEST/python-cinderclient
CINDER_STATE_PATH=${CINDER_STATE_PATH:=$DATA_DIR/cinder}
CINDER_AUTH_CACHE_DIR=${CINDER_AUTH_CACHE_DIR:-/var/cache/cinder}
CINDER_CONF_DIR=/etc/cinder
CINDER_CONF=$CINDER_CONF_DIR/cinder.conf
CINDER_API_PASTE_INI=$CINDER_CONF_DIR/api-paste.ini
# Support entry points installation of console scripts
if [[ -d $CINDER_DIR/bin ]]; then
CINDER_BIN_DIR=$CINDER_DIR/bin
else
CINDER_BIN_DIR=/usr/local/bin
fi
# 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-}
# _clean_volume_group removes all cinder volumes from the specified volume group
# _clean_volume_group $VOLUME_GROUP $VOLUME_NAME_PREFIX
function _clean_volume_group() {
local vg=$1
local vg_prefix=$2
# Clean out existing volumes
for lv in `sudo lvs --noheadings -o lv_name $vg`; do
# vg_prefix prefixes the LVs we want
if [[ "${lv#$vg_prefix}" != "$lv" ]]; then
sudo lvremove -f $vg/$lv
fi
done
}
# cleanup_cinder() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_cinder() {
# ensure the volume group is cleared up because fails might
# leave dead volumes in the group
TARGETS=$(sudo tgtadm --op show --mode target)
if [ $? -ne 0 ]; then
# If tgt driver isn't running this won't work obviously
# So check the response and restart if need be
echo "tgtd seems to be in a bad state, restarting..."
if is_ubuntu; then
restart_service tgt
else
restart_service tgtd
fi
TARGETS=$(sudo tgtadm --op show --mode target)
fi
if [[ -n "$TARGETS" ]]; then
iqn_list=( $(grep --no-filename -r iqn $SCSI_PERSIST_DIR | sed 's/<target //' | sed 's/>//') )
for i in "${iqn_list[@]}"; do
echo removing iSCSI target: $i
sudo tgt-admin --delete $i
done
fi
if is_service_enabled cinder; then
sudo rm -rf $CINDER_STATE_PATH/volumes/*
fi
if is_ubuntu; then
stop_service tgt
else
stop_service tgtd
fi
# Campsite rule: leave behind a volume group at least as clean as we found it
_clean_volume_group $VOLUME_GROUP $VOLUME_NAME_PREFIX
}
# 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 $CINDER_CONF_DIR
# Set the paths of certain binaries
CINDER_ROOTWRAP=$(get_rootwrap_location cinder)
# If Cinder ships the new rootwrap filters files, deploy them
# (owned by root) and add a parameter to $CINDER_ROOTWRAP
ROOTWRAP_CINDER_SUDOER_CMD="$CINDER_ROOTWRAP"
if [[ -d $CINDER_DIR/etc/cinder/rootwrap.d ]]; then
# Wipe any existing rootwrap.d files first
if [[ -d $CINDER_CONF_DIR/rootwrap.d ]]; then
sudo rm -rf $CINDER_CONF_DIR/rootwrap.d
fi
# Deploy filters to /etc/cinder/rootwrap.d
sudo mkdir -m 755 $CINDER_CONF_DIR/rootwrap.d
sudo cp $CINDER_DIR/etc/cinder/rootwrap.d/*.filters $CINDER_CONF_DIR/rootwrap.d
sudo chown -R root:root $CINDER_CONF_DIR/rootwrap.d
sudo chmod 644 $CINDER_CONF_DIR/rootwrap.d/*
# Set up rootwrap.conf, pointing to /etc/cinder/rootwrap.d
sudo cp $CINDER_DIR/etc/cinder/rootwrap.conf $CINDER_CONF_DIR/
sudo sed -e "s:^filters_path=.*$:filters_path=$CINDER_CONF_DIR/rootwrap.d:" -i $CINDER_CONF_DIR/rootwrap.conf
sudo chown root:root $CINDER_CONF_DIR/rootwrap.conf
sudo chmod 0644 $CINDER_CONF_DIR/rootwrap.conf
# Specify rootwrap.conf as first parameter to cinder-rootwrap
CINDER_ROOTWRAP="$CINDER_ROOTWRAP $CINDER_CONF_DIR/rootwrap.conf"
ROOTWRAP_CINDER_SUDOER_CMD="$CINDER_ROOTWRAP *"
fi
TEMPFILE=`mktemp`
echo "$USER ALL=(root) NOPASSWD: $ROOTWRAP_CINDER_SUDOER_CMD" >$TEMPFILE
chmod 0440 $TEMPFILE
sudo chown root:root $TEMPFILE
sudo mv $TEMPFILE /etc/sudoers.d/cinder-rootwrap
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
iniset $CINDER_API_PASTE_INI filter:authtoken signing_dir $CINDER_AUTH_CACHE_DIR
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
local dburl
database_connection_url dburl cinder
iniset $CINDER_CONF DEFAULT sql_connection $dburl
iniset $CINDER_CONF DEFAULT api_paste_config $CINDER_API_PASTE_INI
iniset $CINDER_CONF DEFAULT root_helper "sudo ${CINDER_ROOTWRAP}"
iniset $CINDER_CONF DEFAULT osapi_volume_extension cinder.api.openstack.volume.contrib.standard_extensions
iniset $CINDER_CONF DEFAULT state_path $CINDER_STATE_PATH
if [ "$SYSLOG" != "False" ]; then
iniset $CINDER_CONF DEFAULT use_syslog True
fi
if is_service_enabled qpid ; then
iniset $CINDER_CONF DEFAULT rpc_backend cinder.openstack.common.rpc.impl_qpid
elif is_service_enabled zeromq; then
iniset $CINDER_CONF DEFAULT rpc_backend nova.openstack.common.rpc.impl_zmq
elif [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
iniset $CINDER_CONF DEFAULT rabbit_host $RABBIT_HOST
iniset $CINDER_CONF DEFAULT rabbit_password $RABBIT_PASSWORD
fi
if [[ "$CINDER_SECURE_DELETE" == "False" ]]; then
iniset $CINDER_CONF DEFAULT secure_delete False
iniset $CINDER_CONF DEFAULT volume_clear none
fi
if [ "$LOG_COLOR" == "True" ] && [ "$SYSLOG" == "False" ]; then
# Add color to logging output
iniset $CINDER_CONF DEFAULT logging_context_format_string "%(asctime)s.%(msecs)d %(color)s%(levelname)s %(name)s [%(request_id)s %(user_id)s %(project_id)s%(color)s] %(instance)s%(color)s%(message)s"
iniset $CINDER_CONF DEFAULT logging_default_format_string "%(asctime)s.%(msecs)d %(color)s%(levelname)s %(name)s [-%(color)s] %(instance)s%(color)s%(message)s"
iniset $CINDER_CONF DEFAULT logging_debug_format_suffix "from (pid=%(process)d) %(funcName)s %(pathname)s:%(lineno)d"
iniset $CINDER_CONF DEFAULT logging_exception_prefix "%(color)s%(asctime)s.%(msecs)d TRACE %(name)s %(instance)s"
fi
if [ "$CINDER_DRIVER" == "XenAPINFS" ]; then
(
set -u
iniset $CINDER_CONF DEFAULT volume_driver "cinder.volume.drivers.xenapi.sm.XenAPINFSDriver"
iniset $CINDER_CONF DEFAULT xenapi_connection_url "$CINDER_XENAPI_CONNECTION_URL"
iniset $CINDER_CONF DEFAULT xenapi_connection_username "$CINDER_XENAPI_CONNECTION_USERNAME"
iniset $CINDER_CONF DEFAULT xenapi_connection_password "$CINDER_XENAPI_CONNECTION_PASSWORD"
iniset $CINDER_CONF DEFAULT xenapi_nfs_server "$CINDER_XENAPI_NFS_SERVER"
iniset $CINDER_CONF DEFAULT xenapi_nfs_serverpath "$CINDER_XENAPI_NFS_SERVERPATH"
)
fi
}
# create_cinder_accounts() - Set up common required cinder accounts
# Tenant User Roles
# ------------------------------------------------------------------
# service cinder admin # if enabled
# Migrated from keystone_data.sh
create_cinder_accounts() {
SERVICE_TENANT=$(keystone tenant-list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
ADMIN_ROLE=$(keystone role-list | awk "/ admin / { print \$2 }")
# Cinder
if [[ "$ENABLED_SERVICES" =~ "c-api" ]]; then
CINDER_USER=$(keystone user-create \
--name=cinder \
--pass="$SERVICE_PASSWORD" \
--tenant_id $SERVICE_TENANT \
--email=cinder@example.com \
| grep " id " | get_field 2)
keystone user-role-add \
--tenant_id $SERVICE_TENANT \
--user_id $CINDER_USER \
--role_id $ADMIN_ROLE
if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
CINDER_SERVICE=$(keystone service-create \
--name=cinder \
--type=volume \
--description="Cinder Volume Service" \
| grep " id " | get_field 2)
keystone endpoint-create \
--region RegionOne \
--service_id $CINDER_SERVICE \
--publicurl "http://$SERVICE_HOST:8776/v1/\$(tenant_id)s" \
--adminurl "http://$SERVICE_HOST:8776/v1/\$(tenant_id)s" \
--internalurl "http://$SERVICE_HOST:8776/v1/\$(tenant_id)s"
fi
fi
}
# 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 $DATABASE_BACKENDS; then
# (re)create cinder database
recreate_database cinder utf8
# (re)create cinder database
$CINDER_BIN_DIR/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 5G 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}
# 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
mkdir -p $CINDER_STATE_PATH/volumes
if sudo vgs $VOLUME_GROUP; then
if is_fedora || is_suse; then
# service is not started by default
start_service tgtd
fi
# 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
# Start with a clean volume group
_clean_volume_group $VOLUME_GROUP $VOLUME_NAME_PREFIX
fi
fi
# Create cache dir
sudo mkdir -p $CINDER_AUTH_CACHE_DIR
sudo chown `whoami` $CINDER_AUTH_CACHE_DIR
rm -f $CINDER_AUTH_CACHE_DIR/*
}
# 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
}
# apply config.d approach (e.g. Oneiric does not have this)
function _configure_tgt_for_config_d() {
if [[ ! -d /etc/tgt/conf.d/ ]]; then
sudo mkdir -p /etc/tgt/conf.d
echo "include /etc/tgt/conf.d/*.conf" | sudo tee -a /etc/tgt/targets.conf
fi
}
# start_cinder() - Start running processes, including screen
function start_cinder() {
if is_service_enabled c-vol; then
_configure_tgt_for_config_d
if [[ ! -f /etc/tgt/conf.d/stack.conf ]]; then
echo "include $CINDER_STATE_PATH/volumes/*" | sudo tee /etc/tgt/conf.d/stack.conf
fi
if is_ubuntu; 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
elif is_fedora; then
# bypass redirection to systemctl during restart
sudo /sbin/service --skip-redirect tgtd restart
elif is_suse; then
restart_service tgtd
else
# note for other distros: unstack.sh also uses the tgt/tgtd service
# name, and would need to be adjusted too
exit_distro_not_supported "restarting tgt"
fi
fi
screen_it c-api "cd $CINDER_DIR && $CINDER_BIN_DIR/cinder-api --config-file $CINDER_CONF"
screen_it c-vol "cd $CINDER_DIR && $CINDER_BIN_DIR/cinder-volume --config-file $CINDER_CONF"
screen_it c-sch "cd $CINDER_DIR && $CINDER_BIN_DIR/cinder-scheduler --config-file $CINDER_CONF"
}
# stop_cinder() - Stop running processes
function stop_cinder() {
# Kill the cinder screen windows
for serv in c-api c-sch c-vol; do
screen -S $SCREEN_NAME -p $serv -X kill
done
if is_service_enabled c-vol; then
if is_ubuntu; then
stop_service tgt
else
stop_service tgtd
fi
fi
}
# Restore xtrace
$XTRACE