372 lines
15 KiB
Bash
372 lines
15 KiB
Bash
#!/bin/bash
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#
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# lib/glance
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# Functions to control the configuration and operation of the **Glance** service
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# Dependencies:
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#
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# - ``functions`` file
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# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
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# - ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
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# - ``SERVICE_HOST``
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# - ``KEYSTONE_TOKEN_FORMAT`` must be defined
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# ``stack.sh`` calls the entry points in this order:
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#
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# - install_glance
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# - configure_glance
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# - init_glance
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# - start_glance
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# - stop_glance
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# - cleanup_glance
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# Save trace setting
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_XTRACE_GLANCE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Set up default directories
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GITDIR["python-glanceclient"]=$DEST/python-glanceclient
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GITDIR["glance_store"]=$DEST/glance_store
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GLANCE_DIR=$DEST/glance
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# Glance virtual environment
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if [[ ${USE_VENV} = True ]]; then
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PROJECT_VENV["glance"]=${GLANCE_DIR}.venv
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GLANCE_BIN_DIR=${PROJECT_VENV["glance"]}/bin
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else
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GLANCE_BIN_DIR=$(get_python_exec_prefix)
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fi
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GLANCE_CACHE_DIR=${GLANCE_CACHE_DIR:=$DATA_DIR/glance/cache}
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GLANCE_IMAGE_DIR=${GLANCE_IMAGE_DIR:=$DATA_DIR/glance/images}
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GLANCE_LOCK_DIR=${GLANCE_LOCK_DIR:=$DATA_DIR/glance/locks}
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GLANCE_AUTH_CACHE_DIR=${GLANCE_AUTH_CACHE_DIR:-/var/cache/glance}
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GLANCE_CONF_DIR=${GLANCE_CONF_DIR:-/etc/glance}
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GLANCE_METADEF_DIR=$GLANCE_CONF_DIR/metadefs
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GLANCE_REGISTRY_CONF=$GLANCE_CONF_DIR/glance-registry.conf
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GLANCE_API_CONF=$GLANCE_CONF_DIR/glance-api.conf
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GLANCE_REGISTRY_PASTE_INI=$GLANCE_CONF_DIR/glance-registry-paste.ini
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GLANCE_API_PASTE_INI=$GLANCE_CONF_DIR/glance-api-paste.ini
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GLANCE_CACHE_CONF=$GLANCE_CONF_DIR/glance-cache.conf
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GLANCE_POLICY_JSON=$GLANCE_CONF_DIR/policy.json
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GLANCE_SCHEMA_JSON=$GLANCE_CONF_DIR/schema-image.json
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GLANCE_SWIFT_STORE_CONF=$GLANCE_CONF_DIR/glance-swift-store.conf
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GLANCE_V1_ENABLED=${GLANCE_V1_ENABLED:-False}
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if is_service_enabled tls-proxy; then
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GLANCE_SERVICE_PROTOCOL="https"
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fi
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# Glance connection info. Note the port must be specified.
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GLANCE_SERVICE_HOST=${GLANCE_SERVICE_HOST:-$SERVICE_HOST}
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GLANCE_SERVICE_LISTEN_ADDRESS=${GLANCE_SERVICE_LISTEN_ADDRESS:-$SERVICE_LISTEN_ADDRESS}
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GLANCE_SERVICE_PORT=${GLANCE_SERVICE_PORT:-9292}
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GLANCE_SERVICE_PORT_INT=${GLANCE_SERVICE_PORT_INT:-19292}
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GLANCE_HOSTPORT=${GLANCE_HOSTPORT:-$GLANCE_SERVICE_HOST:$GLANCE_SERVICE_PORT}
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GLANCE_SERVICE_PROTOCOL=${GLANCE_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
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GLANCE_REGISTRY_PORT=${GLANCE_REGISTRY_PORT:-9191}
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GLANCE_REGISTRY_PORT_INT=${GLANCE_REGISTRY_PORT_INT:-19191}
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GLANCE_UWSGI=$GLANCE_BIN_DIR/glance-wsgi-api
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GLANCE_UWSGI_CONF=$GLANCE_CONF_DIR/glance-uwsgi.ini
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# If wsgi mode is uwsgi run glance under uwsgi, else default to eventlet
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# TODO(mtreinish): Remove the eventlet path here and in all the similar
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# conditionals below after the Pike release
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_SERVICE_HOST/image"
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else
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GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT"
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fi
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# Functions
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# ---------
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# Test if any Glance services are enabled
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# is_glance_enabled
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function is_glance_enabled {
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[[ ,${DISABLED_SERVICES} =~ ,"glance" ]] && return 1
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[[ ,${ENABLED_SERVICES} =~ ,"g-" ]] && return 0
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return 1
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}
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# cleanup_glance() - Remove residual data files, anything left over from previous
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# runs that a clean run would need to clean up
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function cleanup_glance {
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# kill instances (nova)
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# delete image files (glance)
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sudo rm -rf $GLANCE_CACHE_DIR $GLANCE_IMAGE_DIR $GLANCE_AUTH_CACHE_DIR
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}
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# configure_glance() - Set config files, create data dirs, etc
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function configure_glance {
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sudo install -d -o $STACK_USER $GLANCE_CONF_DIR $GLANCE_METADEF_DIR
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# Copy over our glance configurations and update them
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cp $GLANCE_DIR/etc/glance-registry.conf $GLANCE_REGISTRY_CONF
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iniset $GLANCE_REGISTRY_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
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iniset $GLANCE_REGISTRY_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS
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inicomment $GLANCE_REGISTRY_CONF DEFAULT log_file
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local dburl
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dburl=`database_connection_url glance`
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iniset $GLANCE_REGISTRY_CONF database connection $dburl
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iniset $GLANCE_REGISTRY_CONF DEFAULT use_syslog $SYSLOG
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iniset $GLANCE_REGISTRY_CONF paste_deploy flavor keystone
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configure_auth_token_middleware $GLANCE_REGISTRY_CONF glance $GLANCE_AUTH_CACHE_DIR/registry
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iniset $GLANCE_REGISTRY_CONF oslo_messaging_notifications driver messagingv2
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iniset_rpc_backend glance $GLANCE_REGISTRY_CONF
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iniset $GLANCE_REGISTRY_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
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iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
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inicomment $GLANCE_API_CONF DEFAULT log_file
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iniset $GLANCE_API_CONF database connection $dburl
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iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG
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iniset $GLANCE_API_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
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iniset $GLANCE_API_CONF DEFAULT lock_path $GLANCE_LOCK_DIR
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iniset $GLANCE_API_CONF paste_deploy flavor keystone+cachemanagement
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configure_auth_token_middleware $GLANCE_API_CONF glance $GLANCE_AUTH_CACHE_DIR/api
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iniset $GLANCE_API_CONF oslo_messaging_notifications driver messagingv2
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iniset_rpc_backend glance $GLANCE_API_CONF
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if [ "$VIRT_DRIVER" = 'xenserver' ]; then
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iniset $GLANCE_API_CONF DEFAULT container_formats "ami,ari,aki,bare,ovf,tgz"
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iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,raw,iso"
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fi
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if [ "$VIRT_DRIVER" = 'libvirt' ] && [ "$LIBVIRT_TYPE" = 'parallels' ]; then
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iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,vmdk,raw,qcow2,vdi,iso,ploop"
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fi
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# NOTE(flaper87): To uncomment as soon as all services consuming Glance are
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# able to consume V2 entirely.
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if [ "$GLANCE_V1_ENABLED" != "True" ]; then
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iniset $GLANCE_API_CONF DEFAULT enable_v1_api False
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fi
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# Store specific configs
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iniset $GLANCE_API_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
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iniset $GLANCE_API_CONF DEFAULT registry_host $GLANCE_SERVICE_HOST
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# CORS feature support - to allow calls from Horizon by default
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if [ -n "$GLANCE_CORS_ALLOWED_ORIGIN" ]; then
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iniset $GLANCE_API_CONF cors allowed_origin "$GLANCE_CORS_ALLOWED_ORIGIN"
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else
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iniset $GLANCE_API_CONF cors allowed_origin "http://$SERVICE_HOST"
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fi
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# Store the images in swift if enabled.
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if is_service_enabled s-proxy; then
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iniset $GLANCE_API_CONF glance_store default_store swift
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iniset $GLANCE_API_CONF glance_store swift_store_create_container_on_put True
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if python3_enabled; then
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iniset $GLANCE_API_CONF glance_store swift_store_auth_insecure True
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fi
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iniset $GLANCE_API_CONF glance_store swift_store_config_file $GLANCE_SWIFT_STORE_CONF
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iniset $GLANCE_API_CONF glance_store default_swift_reference ref1
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iniset $GLANCE_API_CONF glance_store stores "file, http, swift"
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iniset $GLANCE_API_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
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iniset $GLANCE_SWIFT_STORE_CONF ref1 user $SERVICE_PROJECT_NAME:glance-swift
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iniset $GLANCE_SWIFT_STORE_CONF ref1 key $SERVICE_PASSWORD
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if python3_enabled; then
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# NOTE(dims): Currently the glance_store+swift does not support either an insecure flag
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# or ability to specify the CACERT. So fallback to http:// url
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iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_address ${KEYSTONE_SERVICE_URI/https/http}/v3
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else
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iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_address $KEYSTONE_SERVICE_URI/v3
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fi
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iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_version 3
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# commenting is not strictly necessary but it's confusing to have bad values in conf
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inicomment $GLANCE_API_CONF glance_store swift_store_user
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inicomment $GLANCE_API_CONF glance_store swift_store_key
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inicomment $GLANCE_API_CONF glance_store swift_store_auth_address
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fi
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# We need to tell glance what it's public endpoint is so that the version
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# discovery document will be correct
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iniset $GLANCE_API_CONF DEFAULT public_endpoint $GLANCE_URL
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if is_service_enabled tls-proxy; then
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iniset $GLANCE_API_CONF DEFAULT bind_port $GLANCE_SERVICE_PORT_INT
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iniset $GLANCE_REGISTRY_CONF DEFAULT bind_port $GLANCE_REGISTRY_PORT_INT
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iniset $GLANCE_API_CONF keystone_authtoken identity_uri $KEYSTONE_AUTH_URI
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iniset $GLANCE_REGISTRY_CONF keystone_authtoken identity_uri $KEYSTONE_AUTH_URI
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fi
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if is_service_enabled tls-proxy; then
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iniset $GLANCE_API_CONF DEFAULT registry_client_protocol https
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fi
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# Format logging
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setup_logging $GLANCE_API_CONF
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setup_logging $GLANCE_REGISTRY_CONF
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cp -p $GLANCE_DIR/etc/glance-registry-paste.ini $GLANCE_REGISTRY_PASTE_INI
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cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI
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cp $GLANCE_DIR/etc/glance-cache.conf $GLANCE_CACHE_CONF
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iniset $GLANCE_CACHE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
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inicomment $GLANCE_CACHE_CONF DEFAULT log_file
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iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG
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iniset $GLANCE_CACHE_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
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iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_url
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iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_AUTH_URI
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iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_tenant_name
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iniset $GLANCE_CACHE_CONF DEFAULT admin_tenant_name $SERVICE_PROJECT_NAME
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iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_user
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iniset $GLANCE_CACHE_CONF DEFAULT admin_user glance
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iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_password
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iniset $GLANCE_CACHE_CONF DEFAULT admin_password $SERVICE_PASSWORD
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iniset $GLANCE_CACHE_CONF DEFAULT registry_host $GLANCE_SERVICE_HOST
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# Store specific confs
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iniset $GLANCE_CACHE_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
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cp -p $GLANCE_DIR/etc/policy.json $GLANCE_POLICY_JSON
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cp -p $GLANCE_DIR/etc/schema-image.json $GLANCE_SCHEMA_JSON
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cp -p $GLANCE_DIR/etc/metadefs/*.json $GLANCE_METADEF_DIR
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if is_service_enabled tls-proxy; then
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CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST}
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CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776}
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iniset $GLANCE_API_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"
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iniset $GLANCE_CACHE_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"
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fi
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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write_local_uwsgi_http_config "$GLANCE_UWSGI_CONF" "$GLANCE_UWSGI" "/image"
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else
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iniset $GLANCE_API_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS
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iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS"
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fi
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}
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# create_glance_accounts() - Set up common required glance accounts
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# Project User Roles
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# ---------------------------------------------------------------------
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# SERVICE_PROJECT_NAME glance service
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# SERVICE_PROJECT_NAME glance-swift ResellerAdmin (if Swift is enabled)
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# SERVICE_PROJECT_NAME glance-search search (if Search is enabled)
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function create_glance_accounts {
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if is_service_enabled g-api; then
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create_service_user "glance"
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# required for swift access
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if is_service_enabled s-proxy; then
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create_service_user "glance-swift" "ResellerAdmin"
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fi
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get_or_create_service "glance" "image" "Glance Image Service"
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get_or_create_endpoint \
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"image" \
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"$REGION_NAME" \
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"$GLANCE_URL"
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# Note(frickler): Crude workaround for https://bugs.launchpad.net/glance-store/+bug/1620999
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service_domain_id=$(get_or_create_domain $SERVICE_DOMAIN_NAME)
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iniset $GLANCE_SWIFT_STORE_CONF ref1 project_domain_id $service_domain_id
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iniset $GLANCE_SWIFT_STORE_CONF ref1 user_domain_id $service_domain_id
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fi
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}
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# create_glance_cache_dir() - Part of the init_glance() process
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function create_glance_cache_dir {
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# Create cache dir
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sudo install -d -o $STACK_USER $GLANCE_AUTH_CACHE_DIR/api $GLANCE_AUTH_CACHE_DIR/registry $GLANCE_AUTH_CACHE_DIR/search $GLANCE_AUTH_CACHE_DIR/artifact
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rm -f $GLANCE_AUTH_CACHE_DIR/api/* $GLANCE_AUTH_CACHE_DIR/registry/* $GLANCE_AUTH_CACHE_DIR/search/* $GLANCE_AUTH_CACHE_DIR/artifact/*
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}
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# init_glance() - Initialize databases, etc.
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function init_glance {
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# Delete existing images
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rm -rf $GLANCE_IMAGE_DIR
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mkdir -p $GLANCE_IMAGE_DIR
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# Delete existing cache
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rm -rf $GLANCE_CACHE_DIR
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mkdir -p $GLANCE_CACHE_DIR
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# (Re)create glance database
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recreate_database glance
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time_start "dbsync"
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# Migrate glance database
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$GLANCE_BIN_DIR/glance-manage --config-file $GLANCE_CONF_DIR/glance-api.conf db_sync
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# Load metadata definitions
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$GLANCE_BIN_DIR/glance-manage --config-file $GLANCE_CONF_DIR/glance-api.conf db_load_metadefs
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time_stop "dbsync"
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create_glance_cache_dir
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}
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# install_glanceclient() - Collect source and prepare
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function install_glanceclient {
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if use_library_from_git "python-glanceclient"; then
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git_clone_by_name "python-glanceclient"
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setup_dev_lib "python-glanceclient"
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sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-glanceclient"]}/tools/,/etc/bash_completion.d/}glance.bash_completion
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fi
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}
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# install_glance() - Collect source and prepare
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function install_glance {
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# Install glance_store from git so we make sure we're testing
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# the latest code.
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if use_library_from_git "glance_store"; then
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git_clone_by_name "glance_store"
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setup_dev_lib "glance_store"
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fi
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git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH
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setup_develop $GLANCE_DIR
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}
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# start_glance() - Start running processes
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function start_glance {
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local service_protocol=$GLANCE_SERVICE_PROTOCOL
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if is_service_enabled tls-proxy; then
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if [[ "$WSGI_MODE" != "uwsgi" ]]; then
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start_tls_proxy glance-service '*' $GLANCE_SERVICE_PORT $GLANCE_SERVICE_HOST $GLANCE_SERVICE_PORT_INT
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fi
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start_tls_proxy glance-registry '*' $GLANCE_REGISTRY_PORT $GLANCE_SERVICE_HOST $GLANCE_REGISTRY_PORT_INT
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fi
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run_process g-reg "$GLANCE_BIN_DIR/glance-registry --config-file=$GLANCE_CONF_DIR/glance-registry.conf"
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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run_process g-api "$GLANCE_BIN_DIR/uwsgi --procname-prefix glance-api --ini $GLANCE_UWSGI_CONF"
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else
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run_process g-api "$GLANCE_BIN_DIR/glance-api --config-file=$GLANCE_CONF_DIR/glance-api.conf"
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fi
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echo "Waiting for g-api ($GLANCE_SERVICE_HOST) to start..."
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if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_URL; then
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die $LINENO "g-api did not start"
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fi
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}
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# stop_glance() - Stop running processes
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function stop_glance {
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stop_process g-api
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stop_process g-reg
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}
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# Restore xtrace
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$_XTRACE_GLANCE
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# Tell emacs to use shell-script-mode
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## Local variables:
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## mode: shell-script
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## End:
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