#!/bin/bash # # 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_GLANCE=$(set +o | grep xtrace) set +o xtrace # Defaults # -------- # Set up default directories GITDIR["python-glanceclient"]=$DEST/python-glanceclient GITDIR["glance_store"]=$DEST/glance_store GLANCE_DIR=$DEST/glance # Glance virtual environment if [[ ${USE_VENV} = True ]]; then PROJECT_VENV["glance"]=${GLANCE_DIR}.venv GLANCE_BIN_DIR=${PROJECT_VENV["glance"]}/bin else GLANCE_BIN_DIR=$(get_python_exec_prefix) fi # Glance multi-store configuration # Boolean flag to enable multiple store configuration for glance GLANCE_ENABLE_MULTIPLE_STORES=$(trueorfalse False GLANCE_ENABLE_MULTIPLE_STORES) # Comma separated list for configuring multiple file stores of glance, # for example; GLANCE_MULTIPLE_FILE_STORES = fast,cheap,slow GLANCE_MULTIPLE_FILE_STORES=${GLANCE_MULTIPLE_FILE_STORES:-fast} # Default store/backend for glance, must be one of the store specified # in GLANCE_MULTIPLE_FILE_STORES option. GLANCE_DEFAULT_BACKEND=${GLANCE_DEFAULT_BACKEND:-fast} GLANCE_CACHE_DIR=${GLANCE_CACHE_DIR:=$DATA_DIR/glance/cache} # Full Glance functionality requires running in standalone mode. If we are # not in uwsgi mode, then we are standalone, otherwise allow separate control. if [[ "$WSGI_MODE" != "uwsgi" ]]; then GLANCE_STANDALONE=True fi GLANCE_STANDALONE=${GLANCE_STANDALONE:-True} # File path for each store specified in GLANCE_MULTIPLE_FILE_STORES, the store # identifier will be appended to this path at runtime. If GLANCE_MULTIPLE_FILE_STORES # has fast,cheap specified then filepath will be generated like $DATA_DIR/glance/fast # and $DATA_DIR/glance/cheap. GLANCE_MULTISTORE_FILE_IMAGE_DIR=${GLANCE_MULTISTORE_FILE_IMAGE_DIR:=$DATA_DIR/glance} GLANCE_IMAGE_DIR=${GLANCE_IMAGE_DIR:=$DATA_DIR/glance/images} GLANCE_LOCK_DIR=${GLANCE_LOCK_DIR:=$DATA_DIR/glance/locks} GLANCE_STAGING_DIR=${GLANCE_MULTISTORE_FILE_IMAGE_DIR:=$DATA_DIR/os_glance_staging_store} GLANCE_TASKS_DIR=${GLANCE_MULTISTORE_FILE_IMAGE_DIR:=$DATA_DIR/os_glance_tasks_store} GLANCE_USE_IMPORT_WORKFLOW=$(trueorfalse False GLANCE_USE_IMPORT_WORKFLOW) GLANCE_CONF_DIR=${GLANCE_CONF_DIR:-/etc/glance} GLANCE_METADEF_DIR=$GLANCE_CONF_DIR/metadefs GLANCE_API_CONF=$GLANCE_CONF_DIR/glance-api.conf GLANCE_API_PASTE_INI=$GLANCE_CONF_DIR/glance-api-paste.ini GLANCE_CACHE_CONF=$GLANCE_CONF_DIR/glance-cache.conf GLANCE_SCHEMA_JSON=$GLANCE_CONF_DIR/schema-image.json GLANCE_SWIFT_STORE_CONF=$GLANCE_CONF_DIR/glance-swift-store.conf GLANCE_IMAGE_IMPORT_CONF=$GLANCE_CONF_DIR/glance-image-import.conf if is_service_enabled tls-proxy; then GLANCE_SERVICE_PROTOCOL="https" fi # Glance connection info. Note the port must be specified. GLANCE_SERVICE_HOST=${GLANCE_SERVICE_HOST:-$SERVICE_HOST} GLANCE_SERVICE_LISTEN_ADDRESS=${GLANCE_SERVICE_LISTEN_ADDRESS:-$(ipv6_unquote $SERVICE_LISTEN_ADDRESS)} GLANCE_SERVICE_PORT=${GLANCE_SERVICE_PORT:-9292} GLANCE_SERVICE_PORT_INT=${GLANCE_SERVICE_PORT_INT:-19292} GLANCE_HOSTPORT=${GLANCE_HOSTPORT:-$GLANCE_SERVICE_HOST:$GLANCE_SERVICE_PORT} GLANCE_SERVICE_PROTOCOL=${GLANCE_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL} GLANCE_UWSGI=$GLANCE_BIN_DIR/glance-wsgi-api GLANCE_UWSGI_CONF=$GLANCE_CONF_DIR/glance-uwsgi.ini # If wsgi mode is uwsgi run glance under uwsgi, else default to eventlet # TODO(mtreinish): Remove the eventlet path here and in all the similar # conditionals below after the Pike release if [[ "$WSGI_MODE" == "uwsgi" ]]; then GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_SERVICE_HOST/image" else GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT" fi # Functions # --------- # Test if any Glance services are enabled # is_glance_enabled function is_glance_enabled { [[ ,${DISABLED_SERVICES} =~ ,"glance" ]] && return 1 [[ ,${ENABLED_SERVICES} =~ ,"g-" ]] && return 0 return 1 } # cleanup_glance() - Remove residual data files, anything left over from previous # runs that a clean run would need to clean up function cleanup_glance { # delete image files (glance) sudo rm -rf $GLANCE_CACHE_DIR $GLANCE_IMAGE_DIR # Cleanup multiple stores directories if [[ "$GLANCE_ENABLE_MULTIPLE_STORES" == "True" ]]; then local store file_dir for store in $(echo $GLANCE_MULTIPLE_FILE_STORES | tr "," "\n"); do file_dir="${GLANCE_MULTISTORE_FILE_IMAGE_DIR}/${store}/" sudo rm -rf $file_dir done # Cleanup reserved stores directories sudo rm -rf $GLANCE_STAGING_DIR $GLANCE_TASKS_DIR fi } # configure_glance() - Set config files, create data dirs, etc function configure_glance { sudo install -d -o $STACK_USER $GLANCE_CONF_DIR $GLANCE_METADEF_DIR # Set non-default configuration options for the API server local dburl dburl=`database_connection_url glance` # Configure multiple stores if [[ "$GLANCE_ENABLE_MULTIPLE_STORES" == "True" ]]; then local store enabled_backends enabled_backends="" for store in $(echo $GLANCE_MULTIPLE_FILE_STORES | tr "," "\n"); do enabled_backends+="${store}:file," done iniset $GLANCE_API_CONF DEFAULT enabled_backends ${enabled_backends::-1} fi iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL iniset $GLANCE_API_CONF database connection $dburl iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG iniset $GLANCE_API_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/ iniset $GLANCE_API_CONF oslo_concurrency lock_path $GLANCE_LOCK_DIR iniset $GLANCE_API_CONF paste_deploy flavor keystone+cachemanagement configure_keystone_authtoken_middleware $GLANCE_API_CONF glance iniset $GLANCE_API_CONF oslo_messaging_notifications driver messagingv2 iniset_rpc_backend glance $GLANCE_API_CONF if [ "$VIRT_DRIVER" = 'xenserver' ]; then iniset $GLANCE_API_CONF DEFAULT container_formats "ami,ari,aki,bare,ovf,tgz" iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,raw,iso" fi if [ "$VIRT_DRIVER" = 'libvirt' ] && [ "$LIBVIRT_TYPE" = 'parallels' ]; then iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,vmdk,raw,qcow2,vdi,iso,ploop" fi # Glance multiple store Store specific configs if [[ "$GLANCE_ENABLE_MULTIPLE_STORES" == "True" ]]; then iniset $GLANCE_API_CONF glance_store default_backend $GLANCE_DEFAULT_BACKEND local store for store in $(echo $GLANCE_MULTIPLE_FILE_STORES | tr "," "\n"); do iniset $GLANCE_API_CONF $store filesystem_store_datadir "${GLANCE_MULTISTORE_FILE_IMAGE_DIR}/${store}/" done # Glance configure reserved stores iniset $GLANCE_API_CONF os_glance_staging_store filesystem_store_datadir "${GLANCE_MULTISTORE_FILE_IMAGE_DIR}/os_glance_staging_store/" iniset $GLANCE_API_CONF os_glance_tasks_store filesystem_store_datadir "${GLANCE_MULTISTORE_FILE_IMAGE_DIR}/os_glance_tasks_store/" else # Store specific configs iniset $GLANCE_API_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/ fi # CORS feature support - to allow calls from Horizon by default if [ -n "$GLANCE_CORS_ALLOWED_ORIGIN" ]; then iniset $GLANCE_API_CONF cors allowed_origin "$GLANCE_CORS_ALLOWED_ORIGIN" else iniset $GLANCE_API_CONF cors allowed_origin "http://$SERVICE_HOST" fi # No multiple stores for swift yet # Store the images in swift if enabled. if is_service_enabled s-proxy; then iniset $GLANCE_API_CONF glance_store default_store swift iniset $GLANCE_API_CONF glance_store swift_store_create_container_on_put True iniset $GLANCE_API_CONF glance_store swift_store_config_file $GLANCE_SWIFT_STORE_CONF iniset $GLANCE_API_CONF glance_store default_swift_reference ref1 iniset $GLANCE_API_CONF glance_store stores "file, http, swift" if is_service_enabled tls-proxy; then iniset $GLANCE_API_CONF glance_store swift_store_cacert $SSL_BUNDLE_FILE fi iniset $GLANCE_API_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT" iniset $GLANCE_SWIFT_STORE_CONF ref1 user $SERVICE_PROJECT_NAME:glance-swift iniset $GLANCE_SWIFT_STORE_CONF ref1 key $SERVICE_PASSWORD iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_address $KEYSTONE_SERVICE_URI/v3 iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_version 3 fi # We need to tell glance what it's public endpoint is so that the version # discovery document will be correct iniset $GLANCE_API_CONF DEFAULT public_endpoint $GLANCE_URL if is_service_enabled tls-proxy; then iniset $GLANCE_API_CONF DEFAULT bind_port $GLANCE_SERVICE_PORT_INT iniset $GLANCE_API_CONF keystone_authtoken identity_uri $KEYSTONE_SERVICE_URI fi # Format logging setup_logging $GLANCE_API_CONF cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI # Set non-default configuration options for the glance-cache iniset $GLANCE_CACHE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG iniset $GLANCE_CACHE_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/ iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_SERVICE_URI iniset $GLANCE_CACHE_CONF DEFAULT admin_tenant_name $SERVICE_PROJECT_NAME iniset $GLANCE_CACHE_CONF DEFAULT admin_user glance iniset $GLANCE_CACHE_CONF DEFAULT admin_password $SERVICE_PASSWORD # Store specific confs iniset $GLANCE_CACHE_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/ # Set default configuration options for the glance-image-import iniset $GLANCE_IMAGE_IMPORT_CONF image_import_opts image_import_plugins [] iniset $GLANCE_IMAGE_IMPORT_CONF inject_metadata_properties ignore_user_roles admin iniset $GLANCE_IMAGE_IMPORT_CONF inject_metadata_properties inject cp -p $GLANCE_DIR/etc/schema-image.json $GLANCE_SCHEMA_JSON cp -p $GLANCE_DIR/etc/metadefs/*.json $GLANCE_METADEF_DIR if is_service_enabled tls-proxy; then CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST} CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776} iniset $GLANCE_API_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v3/%(project_id)s" iniset $GLANCE_CACHE_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v3/%(project_id)s" fi if [[ "$GLANCE_STANDALONE" == False ]]; then write_local_uwsgi_http_config "$GLANCE_UWSGI_CONF" "$GLANCE_UWSGI" "/image" else write_local_proxy_http_config glance "http://$GLANCE_SERVICE_HOST:$GLANCE_SERVICE_PORT_INT" "/image" iniset $GLANCE_API_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS iniset $GLANCE_API_CONF DEFAULT bind_port $GLANCE_SERVICE_PORT_INT iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS" fi } # create_glance_accounts() - Set up common required glance accounts # Project User Roles # --------------------------------------------------------------------- # SERVICE_PROJECT_NAME glance service # SERVICE_PROJECT_NAME glance-swift ResellerAdmin (if Swift is enabled) # SERVICE_PROJECT_NAME glance-search search (if Search is enabled) function create_glance_accounts { if is_service_enabled g-api; then create_service_user "glance" # required for swift access if is_service_enabled s-proxy; then create_service_user "glance-swift" "ResellerAdmin" fi get_or_create_service "glance" "image" "Glance Image Service" get_or_create_endpoint \ "image" \ "$REGION_NAME" \ "$GLANCE_URL" # Note(frickler): Crude workaround for https://bugs.launchpad.net/glance-store/+bug/1620999 service_domain_id=$(get_or_create_domain $SERVICE_DOMAIN_NAME) iniset $GLANCE_SWIFT_STORE_CONF ref1 project_domain_id $service_domain_id iniset $GLANCE_SWIFT_STORE_CONF ref1 user_domain_id $service_domain_id fi } # init_glance() - Initialize databases, etc. function init_glance { # Delete existing images rm -rf $GLANCE_IMAGE_DIR mkdir -p $GLANCE_IMAGE_DIR # (Re)create glance database recreate_database glance time_start "dbsync" # Migrate glance database $GLANCE_BIN_DIR/glance-manage --config-file $GLANCE_CONF_DIR/glance-api.conf db_sync # Load metadata definitions $GLANCE_BIN_DIR/glance-manage --config-file $GLANCE_CONF_DIR/glance-api.conf db_load_metadefs time_stop "dbsync" } # install_glanceclient() - Collect source and prepare function install_glanceclient { if use_library_from_git "python-glanceclient"; then git_clone_by_name "python-glanceclient" setup_dev_lib "python-glanceclient" sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-glanceclient"]}/tools/,/etc/bash_completion.d/}glance.bash_completion fi } # install_glance() - Collect source and prepare function install_glance { local glance_store_extras=() if is_service_enabled cinder; then glance_store_extras=("cinder" "${glance_store_extras[@]}") fi if is_service_enabled swift; then glance_store_extras=("swift" "${glance_store_extras[@]}") fi # Install glance_store from git so we make sure we're testing # the latest code. if use_library_from_git "glance_store"; then git_clone_by_name "glance_store" setup_dev_lib "glance_store" $(join_extras "${glance_store_extras[@]}") else # we still need to pass extras pip_install_gr_extras glance-store $(join_extras "${glance_store_extras[@]}") fi git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH setup_develop $GLANCE_DIR } # start_glance() - Start running processes function start_glance { local service_protocol=$GLANCE_SERVICE_PROTOCOL if is_service_enabled tls-proxy; then if [[ "$WSGI_MODE" != "uwsgi" ]]; then start_tls_proxy glance-service '*' $GLANCE_SERVICE_PORT $GLANCE_SERVICE_HOST $GLANCE_SERVICE_PORT_INT fi fi if [[ "$GLANCE_STANDALONE" == False ]]; then run_process g-api "$(which uwsgi) --procname-prefix glance-api --ini $GLANCE_UWSGI_CONF" else run_process g-api "$GLANCE_BIN_DIR/glance-api --config-dir=$GLANCE_CONF_DIR" fi echo "Waiting for g-api ($GLANCE_SERVICE_HOST) to start..." if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_URL; then die $LINENO "g-api did not start" fi } # stop_glance() - Stop running processes function stop_glance { stop_process g-api } # Restore xtrace $_XTRACE_GLANCE # Tell emacs to use shell-script-mode ## Local variables: ## mode: shell-script ## End: