318 lines
9.8 KiB
Bash
318 lines
9.8 KiB
Bash
# Install and start **Aodh** service in devstack
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#
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# To enable Aodh in devstack add an entry to local.conf that
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# looks like
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#
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# [[local|localrc]]
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# enable_plugin aodh git://git.openstack.org/openstack/aodh
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#
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# By default all aodh services are started (see
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# devstack/settings).
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#
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# AODH_BACKEND: Database backend (e.g. 'mysql', 'mongodb')
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# AODH_COORDINATION_URL: URL for group membership service provided by tooz.
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# Support potential entry-points console scripts in VENV or not
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if [[ ${USE_VENV} = True ]]; then
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PROJECT_VENV["aodh"]=${AODH_DIR}.venv
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AODH_BIN_DIR=${PROJECT_VENV["aodh"]}/bin
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else
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AODH_BIN_DIR=$(get_python_exec_prefix)
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fi
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# Test if any Aodh services are enabled
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# is_aodh_enabled
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function is_aodh_enabled {
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[[ ,${ENABLED_SERVICES} =~ ,"aodh-" ]] && return 0
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return 1
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}
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function aodh_service_url {
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echo "$AODH_SERVICE_PROTOCOL://$AODH_SERVICE_HOST:$AODH_SERVICE_PORT"
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}
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# _install_mongdb - Install mongodb and python lib.
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function _aodh_install_mongodb {
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# Server package is the same on all
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local packages=mongodb-server
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if is_fedora; then
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# mongodb client
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packages="${packages} mongodb"
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fi
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install_package ${packages}
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if is_fedora; then
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restart_service mongod
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else
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restart_service mongodb
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fi
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# give time for service to restart
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sleep 5
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}
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# _install_redis() - Install the redis server and python lib.
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function _aodh_install_redis {
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if is_ubuntu; then
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install_package redis-server
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restart_service redis-server
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else
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# This will fail (correctly) where a redis package is unavailable
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install_package redis
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restart_service redis
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fi
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pip_install_gr redis
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}
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# Configure mod_wsgi
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function _aodh_config_apache_wsgi {
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sudo mkdir -p $AODH_WSGI_DIR
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local aodh_apache_conf=$(apache_site_config_for aodh)
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local apache_version=$(get_apache_version)
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local venv_path=""
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# Copy proxy vhost and wsgi file
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sudo cp $AODH_DIR/aodh/api/app.wsgi $AODH_WSGI_DIR/app
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if [[ ${USE_VENV} = True ]]; then
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venv_path="python-path=${PROJECT_VENV["aodh"]}/lib/$(python_version)/site-packages"
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fi
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sudo cp $AODH_DIR/devstack/apache-aodh.template $aodh_apache_conf
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sudo sed -e "
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s|%PORT%|$AODH_SERVICE_PORT|g;
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s|%APACHE_NAME%|$APACHE_NAME|g;
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s|%WSGIAPP%|$AODH_WSGI_DIR/app|g;
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s|%USER%|$STACK_USER|g;
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s|%APIWORKERS%|$API_WORKERS|g;
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s|%VIRTUALENV%|$venv_path|g
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" -i $aodh_apache_conf
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}
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# Install required services for coordination
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function _aodh_prepare_coordination {
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if echo $AODH_COORDINATION_URL | grep -q '^memcached:'; then
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install_package memcached
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elif echo $AODH_COORDINATION_URL | grep -q '^redis:'; then
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_aodh_install_redis
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fi
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}
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# Install required services for storage backends
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function _aodh_prepare_storage_backend {
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if [ "$AODH_BACKEND" = 'mongodb' ] ; then
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pip_install_gr pymongo
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_aodh_install_mongodb
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fi
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}
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# Create aodh related accounts in Keystone
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function _aodh_create_accounts {
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if is_service_enabled aodh-api; then
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create_service_user "aodh" "admin"
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if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
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local aodh_service=$(get_or_create_service "aodh" \
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"alarming" "OpenStack Alarming Service")
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get_or_create_endpoint $aodh_service \
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"$REGION_NAME" \
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"$(aodh_service_url)/" \
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"$(aodh_service_url)/" \
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"$(aodh_service_url)/"
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fi
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fi
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}
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# Activities to do before aodh has been installed.
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function preinstall_aodh {
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# Needed to build psycopg2
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if is_ubuntu; then
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install_package libpq-dev
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else
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install_package postgresql-devel
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fi
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}
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# Remove WSGI files, disable and remove Apache vhost file
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function _aodh_cleanup_apache_wsgi {
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sudo rm -f $AODH_WSGI_DIR/*
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sudo rm -f $(apache_site_config_for aodh)
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}
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# cleanup_aodh() - Remove residual data files, anything left over
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# from previous runs that a clean run would need to clean up
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function cleanup_aodh {
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if [ "$AODH_BACKEND" = 'mongodb' ] ; then
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mongo aodh --eval "db.dropDatabase();"
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fi
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if [ "$AODH_USE_MOD_WSGI" == "True" ]; then
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_aodh_cleanup_apache_wsgi
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fi
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}
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# Set configuration for storage backend.
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function _aodh_configure_storage_backend {
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if [ "$AODH_BACKEND" = 'mysql' ] || [ "$AODH_BACKEND" = 'postgresql' ] ; then
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iniset $AODH_CONF database connection $(database_connection_url aodh)
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elif [ "$AODH_BACKEND" = 'mongodb' ] ; then
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iniset $AODH_CONF database connection mongodb://localhost:27017/aodh
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cleanup_aodh
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else
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die $LINENO "Unable to configure unknown AODH_BACKEND $AODH_BACKEND"
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fi
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}
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# Configure Aodh
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function configure_aodh {
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iniset_rpc_backend aodh $AODH_CONF
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iniset $AODH_CONF DEFAULT notification_topics "$AODH_NOTIFICATION_TOPICS"
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iniset $AODH_CONF DEFAULT verbose True
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iniset $AODH_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
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if [[ -n "$AODH_COORDINATION_URL" ]]; then
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iniset $AODH_CONF coordination backend_url $AODH_COORDINATION_URL
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fi
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# Install the policy file for the API server
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cp $AODH_DIR/etc/aodh/policy.json $AODH_CONF_DIR
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iniset $AODH_CONF oslo_policy policy_file $AODH_CONF_DIR/policy.json
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cp $AODH_DIR/etc/aodh/api_paste.ini $AODH_CONF_DIR
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# The alarm evaluator needs these options to call gnocchi/ceilometer APIs
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iniset $AODH_CONF service_credentials os_username aodh
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iniset $AODH_CONF service_credentials os_password $SERVICE_PASSWORD
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iniset $AODH_CONF service_credentials os_tenant_name $SERVICE_TENANT_NAME
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iniset $AODH_CONF service_credentials os_region_name $REGION_NAME
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iniset $AODH_CONF service_credentials os_auth_url $KEYSTONE_SERVICE_URI/v2.0
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configure_auth_token_middleware $AODH_CONF aodh $AODH_AUTH_CACHE_DIR
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iniset $AODH_CONF notification store_events $AODH_EVENTS
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# Configured storage
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_aodh_configure_storage_backend
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# NOTE: This must come after database configuration as those can
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# call cleanup_aodh which will wipe the WSGI config.
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if [ "$AODH_USE_MOD_WSGI" == "True" ]; then
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iniset $AODH_CONF api pecan_debug "False"
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_aodh_config_apache_wsgi
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fi
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}
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# init_aodh() - Initialize etc.
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function init_aodh {
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# Get aodh keystone settings in place
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_aodh_create_accounts
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# Create cache dir
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sudo install -d -o $STACK_USER $AODH_AUTH_CACHE_DIR
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rm -f $AODH_AUTH_CACHE_DIR/*
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if is_service_enabled mysql postgresql; then
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if [ "$AODH_BACKEND" = 'mysql' ] || [ "$AODH_BACKEND" = 'postgresql' ] ; then
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recreate_database aodh
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$AODH_BIN_DIR/aodh-dbsync
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fi
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fi
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}
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# Install Aodh.
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# The storage and coordination backends are installed here because the
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# virtualenv context is active at this point and python drivers need to be
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# installed. The context is not active during preinstall (when it would
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# otherwise makes sense to do the backend services).
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function install_aodh {
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_aodh_prepare_coordination
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_aodh_prepare_storage_backend
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install_aodhclient
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setup_develop $AODH_DIR
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sudo install -d -o $STACK_USER -m 755 $AODH_CONF_DIR $AODH_API_LOG_DIR
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}
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# install_aodhclient() - Collect source and prepare
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function install_aodhclient {
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if use_library_from_git "python-ceilometerclient"; then
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git_clone_by_name "python-ceilometerclient"
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setup_dev_lib "python-ceilometerclient"
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sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-ceilometerclient"]}/tools/,/etc/bash_completion.d/}ceilometer.bash_completion
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else
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pip_install_gr python-ceilometerclient
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fi
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}
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# start_aodh() - Start running processes, including screen
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function start_aodh {
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if [[ "$AODH_USE_MOD_WSGI" == "False" ]]; then
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run_process aodh-api "$AODH_BIN_DIR/aodh-api -d -v --log-dir=$AODH_API_LOG_DIR --config-file $AODH_CONF"
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else
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enable_apache_site aodh
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restart_apache_server
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tail_log aodh /var/log/$APACHE_NAME/aodh.log
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tail_log aodh-api /var/log/$APACHE_NAME/aodh_access.log
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fi
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# Only die on API if it was actually intended to be turned on
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if is_service_enabled aodh-api; then
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echo "Waiting for aodh-api to start..."
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if ! wait_for_service $SERVICE_TIMEOUT $(aodh_service_url)/v2/; then
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die $LINENO "aodh-api did not start"
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fi
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fi
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run_process aodh-notifier "$AODH_BIN_DIR/aodh-notifier --config-file $AODH_CONF"
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run_process aodh-evaluator "$AODH_BIN_DIR/aodh-evaluator --config-file $AODH_CONF"
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run_process aodh-listener "$AODH_BIN_DIR/aodh-listener --config-file $AODH_CONF"
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}
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# stop_aodh() - Stop running processes
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function stop_aodh {
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if [ "$AODH_USE_MOD_WSGI" == "True" ]; then
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disable_apache_site aodh
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restart_apache_server
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fi
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# Kill the aodh screen windows
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for serv in aodh-api aodh-notifier aodh-evaluator aodh-listener; do
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stop_process $serv
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done
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}
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# This is the main for plugin.sh
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if is_service_enabled aodh; then
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if [[ "$1" == "stack" && "$2" == "pre-install" ]]; then
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# Set up other services
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echo_summary "Configuring system services for Aodh"
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preinstall_aodh
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elif [[ "$1" == "stack" && "$2" == "install" ]]; then
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echo_summary "Installing Aodh"
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# Use stack_install_service here to account for vitualenv
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stack_install_service aodh
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elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
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echo_summary "Configuring Aodh"
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configure_aodh
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elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
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echo_summary "Initializing Aodh"
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# Tidy base for aodh
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init_aodh
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# Start the services
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start_aodh
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fi
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if [[ "$1" == "unstack" ]]; then
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echo_summary "Shutting Down Aodh"
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stop_aodh
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fi
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if [[ "$1" == "clean" ]]; then
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echo_summary "Cleaning Aodh"
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cleanup_aodh
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fi
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fi
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