devstack/lib/glance
2013-03-14 21:12:18 +00:00

201 lines
7.7 KiB
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# lib/glance
# Functions to control the configuration and operation of the **Glance** service
# Dependencies:
# ``functions`` file
# ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
# ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
# ``SERVICE_HOST``
# ``KEYSTONE_TOKEN_FORMAT`` must be defined
# ``stack.sh`` calls the entry points in this order:
#
# install_glance
# configure_glance
# init_glance
# start_glance
# stop_glance
# cleanup_glance
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# Set up default directories
GLANCE_DIR=$DEST/glance
GLANCECLIENT_DIR=$DEST/python-glanceclient
GLANCE_CACHE_DIR=${GLANCE_CACHE_DIR:=$DATA_DIR/glance/cache}
GLANCE_IMAGE_DIR=${GLANCE_IMAGE_DIR:=$DATA_DIR/glance/images}
GLANCE_AUTH_CACHE_DIR=${GLANCE_AUTH_CACHE_DIR:-/var/cache/glance}
GLANCE_CONF_DIR=${GLANCE_CONF_DIR:-/etc/glance}
GLANCE_REGISTRY_CONF=$GLANCE_CONF_DIR/glance-registry.conf
GLANCE_API_CONF=$GLANCE_CONF_DIR/glance-api.conf
GLANCE_REGISTRY_PASTE_INI=$GLANCE_CONF_DIR/glance-registry-paste.ini
GLANCE_API_PASTE_INI=$GLANCE_CONF_DIR/glance-api-paste.ini
GLANCE_CACHE_CONF=$GLANCE_CONF_DIR/glance-cache.conf
GLANCE_POLICY_JSON=$GLANCE_CONF_DIR/policy.json
# Support entry points installation of console scripts
if [[ -d $GLANCE_DIR/bin ]]; then
GLANCE_BIN_DIR=$GLANCE_DIR/bin
else
GLANCE_BIN_DIR=$(get_python_exec_prefix)
fi
# Glance connection info. Note the port must be specified.
GLANCE_HOSTPORT=${GLANCE_HOSTPORT:-$SERVICE_HOST:9292}
# Entry Points
# ------------
# cleanup_glance() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_glance() {
# kill instances (nova)
# delete image files (glance)
# This function intentionally left blank
:
}
# configure_glanceclient() - Set config files, create data dirs, etc
function configure_glanceclient() {
setup_develop $GLANCECLIENT_DIR
}
# configure_glance() - Set config files, create data dirs, etc
function configure_glance() {
setup_develop $GLANCE_DIR
if [[ ! -d $GLANCE_CONF_DIR ]]; then
sudo mkdir -p $GLANCE_CONF_DIR
fi
sudo chown $STACK_USER $GLANCE_CONF_DIR
# Copy over our glance configurations and update them
cp $GLANCE_DIR/etc/glance-registry.conf $GLANCE_REGISTRY_CONF
iniset $GLANCE_REGISTRY_CONF DEFAULT debug True
inicomment $GLANCE_REGISTRY_CONF DEFAULT log_file
local dburl=`database_connection_url glance`
iniset $GLANCE_REGISTRY_CONF DEFAULT sql_connection $dburl
iniset $GLANCE_REGISTRY_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_REGISTRY_CONF paste_deploy flavor keystone
iniset $GLANCE_REGISTRY_CONF keystone_authtoken auth_host $KEYSTONE_AUTH_HOST
iniset $GLANCE_REGISTRY_CONF keystone_authtoken auth_port $KEYSTONE_AUTH_PORT
iniset $GLANCE_REGISTRY_CONF keystone_authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
iniset $GLANCE_REGISTRY_CONF keystone_authtoken auth_uri $KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_SERVICE_PORT/
iniset $GLANCE_REGISTRY_CONF keystone_authtoken admin_tenant_name $SERVICE_TENANT_NAME
iniset $GLANCE_REGISTRY_CONF keystone_authtoken admin_user glance
iniset $GLANCE_REGISTRY_CONF keystone_authtoken admin_password $SERVICE_PASSWORD
iniset $GLANCE_REGISTRY_CONF keystone_authtoken signing_dir $GLANCE_AUTH_CACHE_DIR/registry
cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF
iniset $GLANCE_API_CONF DEFAULT debug True
inicomment $GLANCE_API_CONF DEFAULT log_file
iniset $GLANCE_API_CONF DEFAULT sql_connection $dburl
iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_API_CONF DEFAULT filesystem_store_datadir $GLANCE_IMAGE_DIR/
iniset $GLANCE_API_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
iniset $GLANCE_API_CONF paste_deploy flavor keystone+cachemanagement
iniset $GLANCE_API_CONF keystone_authtoken auth_host $KEYSTONE_AUTH_HOST
iniset $GLANCE_API_CONF keystone_authtoken auth_port $KEYSTONE_AUTH_PORT
iniset $GLANCE_API_CONF keystone_authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
iniset $GLANCE_API_CONF keystone_authtoken auth_uri $KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_SERVICE_PORT/
iniset $GLANCE_API_CONF keystone_authtoken admin_tenant_name $SERVICE_TENANT_NAME
iniset $GLANCE_API_CONF keystone_authtoken admin_user glance
iniset $GLANCE_API_CONF keystone_authtoken admin_password $SERVICE_PASSWORD
if is_service_enabled qpid; then
iniset $GLANCE_API_CONF DEFAULT notifier_strategy qpid
elif [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
iniset $GLANCE_API_CONF DEFAULT notifier_strategy rabbit
fi
iniset_rpc_backend glance $GLANCE_API_CONF DEFAULT
iniset $GLANCE_API_CONF keystone_authtoken signing_dir $GLANCE_AUTH_CACHE_DIR/api
cp -p $GLANCE_DIR/etc/glance-registry-paste.ini $GLANCE_REGISTRY_PASTE_INI
cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI
cp $GLANCE_DIR/etc/glance-cache.conf $GLANCE_CACHE_CONF
iniset $GLANCE_CACHE_CONF DEFAULT debug True
inicomment $GLANCE_CACHE_CONF DEFAULT log_file
iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_CACHE_CONF DEFAULT filesystem_store_datadir $GLANCE_IMAGE_DIR/
iniset $GLANCE_CACHE_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_url
iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_AUTH_PROTOCOL://$KEYSTONE_AUTH_HOST:$KEYSTONE_AUTH_PORT/v2.0
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_tenant_name
iniset $GLANCE_CACHE_CONF DEFAULT admin_tenant_name $SERVICE_TENANT_NAME
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_user
iniset $GLANCE_CACHE_CONF DEFAULT admin_user glance
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_password
iniset $GLANCE_CACHE_CONF DEFAULT admin_password $SERVICE_PASSWORD
cp -p $GLANCE_DIR/etc/policy.json $GLANCE_POLICY_JSON
}
# create_glance_cache_dir() - Part of the init_glance() process
function create_glance_cache_dir() {
# Create cache dir
sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/api
sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/api
rm -f $GLANCE_AUTH_CACHE_DIR/api/*
sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/registry
sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/registry
rm -f $GLANCE_AUTH_CACHE_DIR/registry/*
}
# init_glance() - Initialize databases, etc.
function init_glance() {
# Delete existing images
rm -rf $GLANCE_IMAGE_DIR
mkdir -p $GLANCE_IMAGE_DIR
# Delete existing cache
rm -rf $GLANCE_CACHE_DIR
mkdir -p $GLANCE_CACHE_DIR
# (Re)create glance database
recreate_database glance utf8
# Migrate glance database
$GLANCE_BIN_DIR/glance-manage db_sync
create_glance_cache_dir
}
# install_glanceclient() - Collect source and prepare
function install_glanceclient() {
git_clone $GLANCECLIENT_REPO $GLANCECLIENT_DIR $GLANCECLIENT_BRANCH
}
# install_glance() - Collect source and prepare
function install_glance() {
git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH
}
# start_glance() - Start running processes, including screen
function start_glance() {
screen_it g-reg "cd $GLANCE_DIR; $GLANCE_BIN_DIR/glance-registry --config-file=$GLANCE_CONF_DIR/glance-registry.conf"
screen_it g-api "cd $GLANCE_DIR; $GLANCE_BIN_DIR/glance-api --config-file=$GLANCE_CONF_DIR/glance-api.conf"
echo "Waiting for g-api ($GLANCE_HOSTPORT) to start..."
if ! timeout $SERVICE_TIMEOUT sh -c "while ! http_proxy= wget -q -O- http://$GLANCE_HOSTPORT; do sleep 1; done"; then
die $LINENO "g-api did not start"
fi
}
# stop_glance() - Stop running processes
function stop_glance() {
# Kill the Glance screen windows
screen -S $SCREEN_NAME -p g-api -X kill
screen -S $SCREEN_NAME -p g-reg -X kill
}
# Restore xtrace
$XTRACE