devstack/lib/cinder
2017-04-25 23:42:18 +00:00

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#!/bin/bash
#
# lib/cinder
# Install and start **Cinder** volume service
# Dependencies:
#
# - functions
# - DEST, DATA_DIR, STACK_USER 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_CINDER=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# set up default driver
CINDER_DRIVER=${CINDER_DRIVER:-default}
CINDER_PLUGINS=$TOP_DIR/lib/cinder_plugins
CINDER_BACKENDS=$TOP_DIR/lib/cinder_backends
# grab plugin config if specified via cinder_driver
if [[ -r $CINDER_PLUGINS/$CINDER_DRIVER ]]; then
source $CINDER_PLUGINS/$CINDER_DRIVER
fi
# set up default directories
GITDIR["python-cinderclient"]=$DEST/python-cinderclient
GITDIR["python-brick-cinderclient-ext"]=$DEST/python-brick-cinderclient-ext
CINDER_DIR=$DEST/cinder
# Cinder virtual environment
if [[ ${USE_VENV} = True ]]; then
PROJECT_VENV["cinder"]=${CINDER_DIR}.venv
CINDER_BIN_DIR=${PROJECT_VENV["cinder"]}/bin
else
CINDER_BIN_DIR=$(get_python_exec_prefix)
fi
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=$CINDER_CONF_DIR/api-paste.ini
# Public facing bits
if is_service_enabled tls-proxy; then
CINDER_SERVICE_PROTOCOL="https"
fi
CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST}
CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776}
CINDER_SERVICE_PORT_INT=${CINDER_SERVICE_PORT_INT:-18776}
CINDER_SERVICE_PROTOCOL=${CINDER_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
CINDER_SERVICE_LISTEN_ADDRESS=${CINDER_SERVICE_LISTEN_ADDRESS:-$SERVICE_LISTEN_ADDRESS}
# What type of LVM device should Cinder use for LVM backend
# Defaults to default, which is thick, the other valid choice
# is thin, which as the name implies utilizes lvm thin provisioning.
# Thinly provisioned LVM volumes may be more efficient when using the Cinder
# image cache, but there are also known race failures with volume snapshots
# and thinly provisioned LVM volumes, see bug 1642111 for details.
CINDER_LVM_TYPE=${CINDER_LVM_TYPE:-default}
# Default backends
# The backend format is type:name where type is one of the supported backend
# types (lvm, nfs, etc) and name is the identifier used in the Cinder
# configuration and for the volume type name. Multiple backends are
# comma-separated.
# The old ``CINDER_MULTI_LVM_BACKEND=True`` setting had a default of:
# CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:lvmdriver-1,lvm:lvmdriver-2}
CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:lvmdriver-1}
# Should cinder perform secure deletion of volumes?
# Defaults to zero. Can also be set to none or shred.
# This was previously CINDER_SECURE_DELETE (True or False).
# Equivalents using CINDER_VOLUME_CLEAR are zero and none, respectively.
# Set to none to avoid this bug when testing:
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1023755
if [[ -n $CINDER_SECURE_DELETE ]]; then
CINDER_SECURE_DELETE=$(trueorfalse True CINDER_SECURE_DELETE)
if [[ $CINDER_SECURE_DELETE == "False" ]]; then
CINDER_VOLUME_CLEAR_DEFAULT="none"
fi
deprecated "Configure secure Cinder volume deletion using CINDER_VOLUME_CLEAR instead of CINDER_SECURE_DELETE."
fi
CINDER_VOLUME_CLEAR=${CINDER_VOLUME_CLEAR:-${CINDER_VOLUME_CLEAR_DEFAULT:-zero}}
CINDER_VOLUME_CLEAR=$(echo ${CINDER_VOLUME_CLEAR} | tr '[:upper:]' '[:lower:]')
# Cinder reports allocations back to the scheduler on periodic intervals
# it turns out we can get an "out of space" issue when we run tests too
# quickly just because cinder didn't realize we'd freed up resources.
# Make this configurable so that devstack-gate/tempest can set it to
# less than the 60 second default
# https://bugs.launchpad.net/cinder/+bug/1180976
CINDER_PERIODIC_INTERVAL=${CINDER_PERIODIC_INTERVAL:-60}
CINDER_ISCSI_HELPER=${CINDER_ISCSI_HELPER:-tgtadm}
# Toggle for deploying Cinder under HTTPD + mod_wsgi
CINDER_USE_MOD_WSGI=${CINDER_USE_MOD_WSGI:-False}
# Source the enabled backends
if is_service_enabled c-vol && [[ -n "$CINDER_ENABLED_BACKENDS" ]]; then
for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
be_type=${be%%:*}
be_name=${be##*:}
if [[ -r $CINDER_BACKENDS/${be_type} ]]; then
source $CINDER_BACKENDS/${be_type}
fi
done
fi
# Environment variables to configure the image-volume cache
CINDER_IMG_CACHE_ENABLED=${CINDER_IMG_CACHE_ENABLED:-True}
# For limits, if left unset, it will use cinder defaults of 0 for unlimited
CINDER_IMG_CACHE_SIZE_GB=${CINDER_IMG_CACHE_SIZE_GB:-}
CINDER_IMG_CACHE_SIZE_COUNT=${CINDER_IMG_CACHE_SIZE_COUNT:-}
# Configure which cinder backends will have the image-volume cache, this takes the same
# form as the CINDER_ENABLED_BACKENDS config option. By default it will
# enable the cache for all cinder backends.
CINDER_CACHE_ENABLED_FOR_BACKENDS=${CINDER_CACHE_ENABLED_FOR_BACKENDS:-$CINDER_ENABLED_BACKENDS}
# Functions
# ---------
# Test if any Cinder services are enabled
# is_cinder_enabled
function is_cinder_enabled {
[[ ,${ENABLED_SERVICES} =~ ,"c-" ]] && return 0
return 1
}
# _cinder_cleanup_apache_wsgi() - Remove wsgi files, disable and remove apache vhost file
function _cinder_cleanup_apache_wsgi {
sudo rm -f $(apache_site_config_for osapi-volume)
}
# cleanup_cinder() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_cinder {
# ensure the volume group is cleared up because fails might
# leave dead volumes in the group
if [ "$CINDER_ISCSI_HELPER" = "tgtadm" ]; then
local targets
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
local 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 $i
done
fi
if is_ubuntu; then
stop_service tgt
else
stop_service tgtd
fi
else
sudo cinder-rtstool get-targets | sudo xargs -rn 1 cinder-rtstool delete
fi
if is_service_enabled c-vol && [[ -n "$CINDER_ENABLED_BACKENDS" ]]; then
local be be_name be_type
for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
be_type=${be%%:*}
be_name=${be##*:}
if type cleanup_cinder_backend_${be_type} >/dev/null 2>&1; then
cleanup_cinder_backend_${be_type} ${be_name}
fi
done
fi
if [ "$CINDER_USE_MOD_WSGI" == "True" ]; then
_cinder_cleanup_apache_wsgi
fi
}
# _cinder_config_apache_wsgi() - Set WSGI config files
function _cinder_config_apache_wsgi {
local cinder_apache_conf
cinder_apache_conf=$(apache_site_config_for osapi-volume)
local cinder_ssl=""
local cinder_certfile=""
local cinder_keyfile=""
local cinder_api_port=$CINDER_SERVICE_PORT
local venv_path=""
if [[ ${USE_VENV} = True ]]; then
venv_path="python-path=${PROJECT_VENV["cinder"]}/lib/python2.7/site-packages"
fi
# copy proxy vhost file
sudo cp $FILES/apache-cinder-api.template $cinder_apache_conf
sudo sed -e "
s|%PUBLICPORT%|$cinder_api_port|g;
s|%APACHE_NAME%|$APACHE_NAME|g;
s|%APIWORKERS%|$API_WORKERS|g
s|%CINDER_BIN_DIR%|$CINDER_BIN_DIR|g;
s|%SSLENGINE%|$cinder_ssl|g;
s|%SSLCERTFILE%|$cinder_certfile|g;
s|%SSLKEYFILE%|$cinder_keyfile|g;
s|%USER%|$STACK_USER|g;
s|%VIRTUALENV%|$venv_path|g
" -i $cinder_apache_conf
}
# configure_cinder() - Set config files, create data dirs, etc
function configure_cinder {
sudo install -d -o $STACK_USER -m 755 $CINDER_CONF_DIR
cp -p $CINDER_DIR/etc/cinder/policy.json $CINDER_CONF_DIR
rm -f $CINDER_CONF
configure_rootwrap cinder
cp $CINDER_DIR/etc/cinder/api-paste.ini $CINDER_API_PASTE_INI
inicomment $CINDER_API_PASTE_INI filter:authtoken auth_host
inicomment $CINDER_API_PASTE_INI filter:authtoken auth_port
inicomment $CINDER_API_PASTE_INI filter:authtoken auth_protocol
inicomment $CINDER_API_PASTE_INI filter:authtoken cafile
inicomment $CINDER_API_PASTE_INI filter:authtoken admin_tenant_name
inicomment $CINDER_API_PASTE_INI filter:authtoken admin_user
inicomment $CINDER_API_PASTE_INI filter:authtoken admin_password
inicomment $CINDER_API_PASTE_INI filter:authtoken signing_dir
configure_auth_token_middleware $CINDER_CONF cinder $CINDER_AUTH_CACHE_DIR
# Change the default nova_catalog_info and nova_catalog_admin_info values in
# cinder so that the service name cinder is searching for matches that set for
# nova in keystone.
if [[ -n "$CINDER_NOVA_CATALOG_INFO" ]]; then
iniset $CINDER_CONF DEFAULT nova_catalog_info $CINDER_NOVA_CATALOG_INFO
fi
if [[ -n "$CINDER_NOVA_CATALOG_ADMIN_INFO" ]]; then
iniset $CINDER_CONF DEFAULT nova_catalog_admin_info $CINDER_NOVA_CATALOG_ADMIN_INFO
fi
iniset $CINDER_CONF DEFAULT auth_strategy keystone
iniset $CINDER_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
iniset $CINDER_CONF DEFAULT iscsi_helper "$CINDER_ISCSI_HELPER"
iniset $CINDER_CONF database connection `database_connection_url cinder`
iniset $CINDER_CONF DEFAULT api_paste_config $CINDER_API_PASTE_INI
iniset $CINDER_CONF DEFAULT rootwrap_config "$CINDER_CONF_DIR/rootwrap.conf"
iniset $CINDER_CONF DEFAULT osapi_volume_extension cinder.api.contrib.standard_extensions
iniset $CINDER_CONF DEFAULT osapi_volume_listen $CINDER_SERVICE_LISTEN_ADDRESS
iniset $CINDER_CONF DEFAULT state_path $CINDER_STATE_PATH
iniset $CINDER_CONF oslo_concurrency lock_path $CINDER_STATE_PATH
iniset $CINDER_CONF DEFAULT periodic_interval $CINDER_PERIODIC_INTERVAL
iniset $CINDER_CONF DEFAULT my_ip "$HOST_IP"
iniset $CINDER_CONF DEFAULT os_region_name "$REGION_NAME"
iniset $CINDER_CONF key_manager api_class cinder.keymgr.conf_key_mgr.ConfKeyManager
if is_service_enabled c-vol && [[ -n "$CINDER_ENABLED_BACKENDS" ]]; then
local enabled_backends=""
local default_name=""
local be be_name be_type
for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
be_type=${be%%:*}
be_name=${be##*:}
if type configure_cinder_backend_${be_type} >/dev/null 2>&1; then
configure_cinder_backend_${be_type} ${be_name}
fi
if [[ -z "$default_name" ]]; then
default_name=$be_name
fi
enabled_backends+=$be_name,
done
iniset $CINDER_CONF DEFAULT enabled_backends ${enabled_backends%,*}
if [[ -n "$default_name" ]]; then
iniset $CINDER_CONF DEFAULT default_volume_type ${default_name}
fi
configure_cinder_image_volume_cache
fi
if is_service_enabled swift; then
iniset $CINDER_CONF DEFAULT backup_swift_url "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_"
fi
if is_service_enabled ceilometer; then
iniset $CINDER_CONF oslo_messaging_notifications driver "messagingv2"
fi
if is_service_enabled tls-proxy; then
# Set the service port for a proxy to take the original
iniset $CINDER_CONF DEFAULT osapi_volume_listen_port $CINDER_SERVICE_PORT_INT
iniset $CINDER_CONF DEFAULT public_endpoint $CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT
iniset $CINDER_CONF DEFAULT osapi_volume_base_URL $CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT
fi
if [ "$SYSLOG" != "False" ]; then
iniset $CINDER_CONF DEFAULT use_syslog True
fi
iniset_rpc_backend cinder $CINDER_CONF
iniset $CINDER_CONF DEFAULT volume_clear $CINDER_VOLUME_CLEAR
# Format logging
setup_logging $CINDER_CONF $CINDER_USE_MOD_WSGI
if [ "$CINDER_USE_MOD_WSGI" == "True" ]; then
_cinder_config_apache_wsgi
fi
if [[ -r $CINDER_PLUGINS/$CINDER_DRIVER ]]; then
configure_cinder_driver
fi
iniset $CINDER_CONF DEFAULT osapi_volume_workers "$API_WORKERS"
iniset $CINDER_CONF DEFAULT glance_api_servers "${GLANCE_SERVICE_PROTOCOL}://${GLANCE_HOSTPORT}"
if is_service_enabled tls-proxy; then
iniset $CINDER_CONF DEFAULT glance_protocol https
iniset $CINDER_CONF DEFAULT glance_ca_certificates_file $SSL_BUNDLE_FILE
fi
if [ "$GLANCE_V1_ENABLED" != "True" ]; then
iniset $CINDER_CONF DEFAULT glance_api_version 2
fi
# Set os_privileged_user credentials (used for os-assisted-snapshots)
iniset $CINDER_CONF DEFAULT os_privileged_user_name nova
iniset $CINDER_CONF DEFAULT os_privileged_user_password "$SERVICE_PASSWORD"
iniset $CINDER_CONF DEFAULT os_privileged_user_tenant "$SERVICE_PROJECT_NAME"
iniset $CINDER_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
# Set the backend url according to the configured dlm backend
if is_dlm_enabled; then
if [[ "$(dlm_backend)" == "zookeeper" ]]; then
iniset $CINDER_CONF coordination backend_url "zookeeper://${SERVICE_HOST}:2181"
fi
fi
}
# create_cinder_accounts() - Set up common required cinder accounts
# Tenant User Roles
# ------------------------------------------------------------------
# service cinder admin # if enabled
# Migrated from keystone_data.sh
function create_cinder_accounts {
# Cinder
if [[ "$ENABLED_SERVICES" =~ "c-api" ]]; then
create_service_user "cinder"
get_or_create_service "cinder" "volume" "Cinder Volume Service"
get_or_create_endpoint \
"volume" \
"$REGION_NAME" \
"$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(project_id)s"
get_or_create_service "cinderv2" "volumev2" "Cinder Volume Service V2"
get_or_create_endpoint \
"volumev2" \
"$REGION_NAME" \
"$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(project_id)s"
get_or_create_service "cinderv3" "volumev3" "Cinder Volume Service V3"
get_or_create_endpoint \
"volumev3" \
"$REGION_NAME" \
"$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v3/\$(project_id)s"
configure_cinder_internal_tenant
fi
}
# create_cinder_cache_dir() - Part of the init_cinder() process
function create_cinder_cache_dir {
# Create cache dir
sudo install -d -o $STACK_USER $CINDER_AUTH_CACHE_DIR
rm -f $CINDER_AUTH_CACHE_DIR/*
}
# init_cinder() - Initialize database and volume group
function init_cinder {
if is_service_enabled $DATABASE_BACKENDS; then
# (Re)create cinder database
recreate_database cinder
# Migrate cinder database
$CINDER_BIN_DIR/cinder-manage --config-file $CINDER_CONF db sync
fi
if is_service_enabled c-vol && [[ -n "$CINDER_ENABLED_BACKENDS" ]]; then
local be be_name be_type
for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
be_type=${be%%:*}
be_name=${be##*:}
if type init_cinder_backend_${be_type} >/dev/null 2>&1; then
# Always init the default volume group for lvm.
if [[ "$be_type" == "lvm" ]]; then
init_default_lvm_volume_group
fi
init_cinder_backend_${be_type} ${be_name}
fi
done
fi
mkdir -p $CINDER_STATE_PATH/volumes
create_cinder_cache_dir
}
# install_cinder() - Collect source and prepare
function install_cinder {
git_clone $CINDER_REPO $CINDER_DIR $CINDER_BRANCH
setup_develop $CINDER_DIR
if [ "$CINDER_ISCSI_HELPER" = "tgtadm" ]; then
if is_fedora; then
install_package scsi-target-utils
else
install_package tgt
fi
fi
if [ "$CINDER_USE_MOD_WSGI" == "True" ]; then
install_apache_wsgi
fi
}
# install_cinderclient() - Collect source and prepare
function install_cinderclient {
if use_library_from_git "python-brick-cinderclient-ext"; then
git_clone_by_name "python-brick-cinderclient-ext"
setup_dev_lib "python-brick-cinderclient-ext"
fi
if use_library_from_git "python-cinderclient"; then
git_clone_by_name "python-cinderclient"
setup_dev_lib "python-cinderclient"
sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-cinderclient"]}/tools/,/etc/bash_completion.d/}cinder.bash_completion
fi
}
# apply config.d approach for cinder volumes directory
function _configure_tgt_for_config_d {
if [[ ! -d /etc/tgt/stack.d/ ]]; then
sudo ln -sf $CINDER_STATE_PATH/volumes /etc/tgt/stack.d
fi
if ! grep -q "include /etc/tgt/stack.d/*" /etc/tgt/targets.conf; then
echo "include /etc/tgt/stack.d/*" | sudo tee -a /etc/tgt/targets.conf
fi
}
# start_cinder() - Start running processes, including screen
function start_cinder {
local service_port=$CINDER_SERVICE_PORT
local service_protocol=$CINDER_SERVICE_PROTOCOL
if is_service_enabled tls-proxy; then
service_port=$CINDER_SERVICE_PORT_INT
service_protocol="http"
fi
if [ "$CINDER_ISCSI_HELPER" = "tgtadm" ]; then
if is_service_enabled c-vol; then
# Delete any old stack.conf
sudo rm -f /etc/tgt/conf.d/stack.conf
_configure_tgt_for_config_d
if is_ubuntu; then
sudo service tgt restart
elif is_suse; then
# NOTE(dmllr): workaround restart bug
# https://bugzilla.suse.com/show_bug.cgi?id=934642
stop_service tgtd
start_service tgtd
else
restart_service tgtd
fi
# NOTE(gfidente): ensure tgtd is running in debug mode
sudo tgtadm --mode system --op update --name debug --value on
fi
fi
if [ "$CINDER_USE_MOD_WSGI" == "True" ]; then
enable_apache_site osapi-volume
restart_apache_server
tail_log c-api /var/log/$APACHE_NAME/c-api.log
else
run_process c-api "$CINDER_BIN_DIR/cinder-api --config-file $CINDER_CONF"
fi
echo "Waiting for Cinder API to start..."
if ! wait_for_service $SERVICE_TIMEOUT $service_protocol://$CINDER_SERVICE_HOST:$service_port; then
die $LINENO "c-api did not start"
fi
run_process c-sch "$CINDER_BIN_DIR/cinder-scheduler --config-file $CINDER_CONF"
run_process c-bak "$CINDER_BIN_DIR/cinder-backup --config-file $CINDER_CONF"
run_process c-vol "$CINDER_BIN_DIR/cinder-volume --config-file $CINDER_CONF"
# NOTE(jdg): For cinder, startup order matters. To ensure that repor_capabilities is received
# by the scheduler start the cinder-volume service last (or restart it) after the scheduler
# has started. This is a quick fix for lp bug/1189595
# Start proxies if enabled
if is_service_enabled c-api && is_service_enabled tls-proxy; then
start_tls_proxy cinder '*' $CINDER_SERVICE_PORT $CINDER_SERVICE_HOST $CINDER_SERVICE_PORT_INT
fi
}
# stop_cinder() - Stop running processes
function stop_cinder {
if [ "$CINDER_USE_MOD_WSGI" == "True" ]; then
disable_apache_site osapi-volume
restart_apache_server
else
stop_process c-api
fi
# Kill the cinder screen windows
local serv
for serv in c-bak c-sch c-vol; do
stop_process $serv
done
}
# create_volume_types() - Create Cinder's configured volume types
function create_volume_types {
# Create volume types
if is_service_enabled c-api && [[ -n "$CINDER_ENABLED_BACKENDS" ]]; then
local be be_name
for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
be_name=${be##*:}
openstack --os-region-name="$REGION_NAME" volume type create --property volume_backend_name="${be_name}" ${be_name}
done
fi
}
# Compatibility for Grenade
function create_cinder_volume_group {
# During a transition period Grenade needs to have this function defined
# It is effectively a no-op in the Grenade 'target' use case
:
}
function configure_cinder_internal_tenant {
# Re-use the Cinder service account for simplicity.
iniset $CINDER_CONF DEFAULT cinder_internal_tenant_project_id $(get_or_create_project $SERVICE_PROJECT_NAME)
iniset $CINDER_CONF DEFAULT cinder_internal_tenant_user_id $(get_or_create_user "cinder")
}
function configure_cinder_image_volume_cache {
# Expect CINDER_CACHE_ENABLED_FOR_BACKENDS to be a list of backends
# similar to CINDER_ENABLED_BACKENDS with NAME:TYPE where NAME will
# be the backend specific configuration stanza in cinder.conf.
for be in ${CINDER_CACHE_ENABLED_FOR_BACKENDS//,/ }; do
local be_name=${be##*:}
iniset $CINDER_CONF $be_name image_volume_cache_enabled $CINDER_IMG_CACHE_ENABLED
if [[ -n $CINDER_IMG_CACHE_SIZE_GB ]]; then
iniset $CINDER_CONF $be_name image_volume_cache_max_size_gb $CINDER_IMG_CACHE_SIZE_GB
fi
if [[ -n $CINDER_IMG_CACHE_SIZE_COUNT ]]; then
iniset $CINDER_CONF $be_name image_volume_cache_max_count $CINDER_IMG_CACHE_SIZE_COUNT
fi
done
}
# Restore xtrace
$_XTRACE_CINDER
# Tell emacs to use shell-script-mode
## Local variables:
## mode: shell-script
## End: