ae6fb18ff2
If CEILOMETER_USE_MOD_WSGI is True then the API app will run under mod wsgi. The default is false (for now). The changes are modeled on keystone's use of apache. Note that these changes are dependent on https://review.openstack.org/#/c/121823/ in ceilometer. Using mod_wsgi allows the ceilometer api to handle "concurrent" requests. This is extremely useful when trying to benchmark various aspects of the service. Change-Id: I4c220c3b52804cd8d9123b47780a98e0346ca81e
312 lines
11 KiB
Plaintext
312 lines
11 KiB
Plaintext
# lib/ceilometer
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# Install and start **Ceilometer** service
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# To enable a minimal set of Ceilometer services, add the following to localrc:
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#
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# enable_service ceilometer-acompute ceilometer-acentral ceilometer-anotification ceilometer-collector ceilometer-api
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#
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# To ensure Ceilometer alarming services are enabled also, further add to the localrc:
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#
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# enable_service ceilometer-alarm-notifier ceilometer-alarm-evaluator
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# Dependencies:
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#
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# - functions
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# - OS_AUTH_URL for auth in api
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# - DEST set to the destination directory
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# - SERVICE_PASSWORD, SERVICE_TENANT_NAME for auth in api
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# - STACK_USER service user
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# stack.sh
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# ---------
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# - install_ceilometer
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# - configure_ceilometer
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# - init_ceilometer
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# - start_ceilometer
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# - stop_ceilometer
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# - cleanup_ceilometer
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Set up default directories
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CEILOMETER_DIR=$DEST/ceilometer
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CEILOMETERCLIENT_DIR=$DEST/python-ceilometerclient
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CEILOMETER_CONF_DIR=/etc/ceilometer
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CEILOMETER_CONF=$CEILOMETER_CONF_DIR/ceilometer.conf
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CEILOMETER_API_LOG_DIR=/var/log/ceilometer-api
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CEILOMETER_AUTH_CACHE_DIR=${CEILOMETER_AUTH_CACHE_DIR:-/var/cache/ceilometer}
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CEILOMETER_WSGI_DIR=${CEILOMETER_WSGI_DIR:-/var/www/ceilometer}
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# Support potential entry-points console scripts
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CEILOMETER_BIN_DIR=$(get_python_exec_prefix)
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# Set up database backend
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CEILOMETER_BACKEND=${CEILOMETER_BACKEND:-mysql}
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# Ceilometer connection info.
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CEILOMETER_SERVICE_PROTOCOL=http
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CEILOMETER_SERVICE_HOST=$SERVICE_HOST
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CEILOMETER_SERVICE_PORT=${CEILOMETER_SERVICE_PORT:-8777}
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CEILOMETER_USE_MOD_WSGI=$(trueorfalse False $CEILOMETER_USE_MOD_WSGI)
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# To enable OSprofiler change value of this variable to "notifications,profiler"
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CEILOMETER_NOTIFICATION_TOPICS=${CEILOMETER_NOTIFICATION_TOPICS:-notifications}
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# Tell Tempest this project is present
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TEMPEST_SERVICES+=,ceilometer
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# Functions
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# ---------
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# Test if any Ceilometer services are enabled
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# is_ceilometer_enabled
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function is_ceilometer_enabled {
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[[ ,${ENABLED_SERVICES} =~ ,"ceilometer-" ]] && return 0
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return 1
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}
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# create_ceilometer_accounts() - Set up common required ceilometer accounts
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# Project User Roles
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# ------------------------------------------------------------------
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# SERVICE_TENANT_NAME ceilometer admin
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# SERVICE_TENANT_NAME ceilometer ResellerAdmin (if Swift is enabled)
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create_ceilometer_accounts() {
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local service_tenant=$(openstack project list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
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local admin_role=$(openstack role list | awk "/ admin / { print \$2 }")
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# Ceilometer
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if [[ "$ENABLED_SERVICES" =~ "ceilometer-api" ]]; then
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local ceilometer_user=$(get_or_create_user "ceilometer" \
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"$SERVICE_PASSWORD" $service_tenant)
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get_or_add_user_role $admin_role $ceilometer_user $service_tenant
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if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
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local ceilometer_service=$(get_or_create_service "ceilometer" \
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"metering" "OpenStack Telemetry Service")
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get_or_create_endpoint $ceilometer_service \
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"$REGION_NAME" \
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"$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/" \
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"$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/" \
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"$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/"
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fi
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if is_service_enabled swift; then
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# Ceilometer needs ResellerAdmin role to access swift account stats.
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get_or_add_user_role "ResellerAdmin" "ceilometer" $SERVICE_TENANT_NAME
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fi
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fi
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}
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# _cleanup_keystone_apache_wsgi() - Remove wsgi files, disable and remove apache vhost file
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function _cleanup_ceilometer_apache_wsgi {
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sudo rm -f $CEILOMETER_WSGI_DIR/*
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sudo rm -f $(apache_site_config_for ceilometer)
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}
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# cleanup_ceilometer() - Remove residual data files, anything left over from previous
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# runs that a clean run would need to clean up
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function cleanup_ceilometer {
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if [ "$CEILOMETER_BACKEND" != 'mysql' ] && [ "$CEILOMETER_BACKEND" != 'postgresql' ] ; then
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mongo ceilometer --eval "db.dropDatabase();"
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fi
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if [ "$CEILOMETER_USE_MOD_WSGI" == "True" ]; then
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_cleanup_ceilometer_apache_wsgi
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fi
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}
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function _config_ceilometer_apache_wsgi {
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sudo mkdir -p $CEILOMETER_WSGI_DIR
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local ceilometer_apache_conf=$(apache_site_config_for ceilometer)
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local apache_version=$(get_apache_version)
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# copy proxy vhost and wsgi file
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sudo cp $CEILOMETER_DIR/ceilometer/api/app.wsgi $CEILOMETER_WSGI_DIR/app
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sudo cp $FILES/apache-ceilometer.template $ceilometer_apache_conf
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sudo sed -e "
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s|%PORT%|$CEILOMETER_SERVICE_PORT|g;
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s|%APACHE_NAME%|$APACHE_NAME|g;
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s|%WSGIAPP%|$CEILOMETER_WSGI_DIR/app|g;
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s|%USER%|$STACK_USER|g
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" -i $ceilometer_apache_conf
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}
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# configure_ceilometer() - Set config files, create data dirs, etc
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function configure_ceilometer {
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[ ! -d $CEILOMETER_CONF_DIR ] && sudo mkdir -m 755 -p $CEILOMETER_CONF_DIR
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sudo chown $STACK_USER $CEILOMETER_CONF_DIR
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[ ! -d $CEILOMETER_API_LOG_DIR ] && sudo mkdir -m 755 -p $CEILOMETER_API_LOG_DIR
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sudo chown $STACK_USER $CEILOMETER_API_LOG_DIR
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iniset_rpc_backend ceilometer $CEILOMETER_CONF DEFAULT
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iniset $CEILOMETER_CONF DEFAULT notification_topics "$CEILOMETER_NOTIFICATION_TOPICS"
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iniset $CEILOMETER_CONF DEFAULT verbose True
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iniset $CEILOMETER_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
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# Install the policy file for the API server
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cp $CEILOMETER_DIR/etc/ceilometer/policy.json $CEILOMETER_CONF_DIR
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iniset $CEILOMETER_CONF DEFAULT policy_file $CEILOMETER_CONF_DIR/policy.json
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cp $CEILOMETER_DIR/etc/ceilometer/pipeline.yaml $CEILOMETER_CONF_DIR
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cp $CEILOMETER_DIR/etc/ceilometer/api_paste.ini $CEILOMETER_CONF_DIR
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cp $CEILOMETER_DIR/etc/ceilometer/event_definitions.yaml $CEILOMETER_CONF_DIR
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if [ "$CEILOMETER_PIPELINE_INTERVAL" ]; then
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sed -i "s/interval:.*/interval: ${CEILOMETER_PIPELINE_INTERVAL}/" $CEILOMETER_CONF_DIR/pipeline.yaml
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fi
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# the compute and central agents need these credentials in order to
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# call out to other services' public APIs
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# the alarm evaluator needs these options to call ceilometer APIs
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iniset $CEILOMETER_CONF service_credentials os_username ceilometer
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iniset $CEILOMETER_CONF service_credentials os_password $SERVICE_PASSWORD
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iniset $CEILOMETER_CONF service_credentials os_tenant_name $SERVICE_TENANT_NAME
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configure_auth_token_middleware $CEILOMETER_CONF ceilometer $CEILOMETER_AUTH_CACHE_DIR
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if [ "$CEILOMETER_BACKEND" = 'mysql' ] || [ "$CEILOMETER_BACKEND" = 'postgresql' ] ; then
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iniset $CEILOMETER_CONF database connection `database_connection_url ceilometer`
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iniset $CEILOMETER_CONF DEFAULT collector_workers $API_WORKERS
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else
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iniset $CEILOMETER_CONF database connection mongodb://localhost:27017/ceilometer
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configure_mongodb
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cleanup_ceilometer
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fi
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if [[ "$VIRT_DRIVER" = 'vsphere' ]]; then
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iniset $CEILOMETER_CONF DEFAULT hypervisor_inspector vsphere
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iniset $CEILOMETER_CONF vmware host_ip "$VMWAREAPI_IP"
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iniset $CEILOMETER_CONF vmware host_username "$VMWAREAPI_USER"
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iniset $CEILOMETER_CONF vmware host_password "$VMWAREAPI_PASSWORD"
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fi
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if [ "$CEILOMETER_USE_MOD_WSGI" == "True" ]; then
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iniset $CEILOMETER_CONF api pecan_debug "False"
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_config_ceilometer_apache_wsgi
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fi
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}
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function configure_mongodb {
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# server package is the same on all
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local packages=mongodb-server
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if is_fedora; then
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# mongodb client + python bindings
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packages="${packages} mongodb pymongo"
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else
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packages="${packages} python-pymongo"
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fi
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install_package ${packages}
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if is_fedora; then
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# ensure smallfiles selected to minimize freespace requirements
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sudo sed -i '/--smallfiles/!s/OPTIONS=\"/OPTIONS=\"--smallfiles /' /etc/sysconfig/mongod
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restart_service mongod
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fi
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# give mongodb time to start-up
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sleep 5
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}
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# init_ceilometer() - Initialize etc.
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function init_ceilometer {
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# Create cache dir
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sudo mkdir -p $CEILOMETER_AUTH_CACHE_DIR
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sudo chown $STACK_USER $CEILOMETER_AUTH_CACHE_DIR
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rm -f $CEILOMETER_AUTH_CACHE_DIR/*
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if is_service_enabled mysql postgresql; then
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if [ "$CEILOMETER_BACKEND" = 'mysql' ] || [ "$CEILOMETER_BACKEND" = 'postgresql' ] ; then
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recreate_database ceilometer utf8
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$CEILOMETER_BIN_DIR/ceilometer-dbsync
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fi
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fi
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}
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# install_ceilometer() - Collect source and prepare
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function install_ceilometer {
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git_clone $CEILOMETER_REPO $CEILOMETER_DIR $CEILOMETER_BRANCH
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setup_develop $CEILOMETER_DIR
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}
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# install_ceilometerclient() - Collect source and prepare
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function install_ceilometerclient {
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git_clone $CEILOMETERCLIENT_REPO $CEILOMETERCLIENT_DIR $CEILOMETERCLIENT_BRANCH
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setup_develop $CEILOMETERCLIENT_DIR
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sudo install -D -m 0644 -o $STACK_USER {$CEILOMETERCLIENT_DIR/tools/,/etc/bash_completion.d/}ceilometer.bash_completion
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}
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# start_ceilometer() - Start running processes, including screen
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function start_ceilometer {
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run_process ceilometer-acentral "ceilometer-agent-central --config-file $CEILOMETER_CONF"
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run_process ceilometer-anotification "ceilometer-agent-notification --config-file $CEILOMETER_CONF"
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run_process ceilometer-collector "ceilometer-collector --config-file $CEILOMETER_CONF"
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if [[ "$CEILOMETER_USE_MOD_WSGI" == "False" ]]; then
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run_process ceilometer-api "ceilometer-api -d -v --log-dir=$CEILOMETER_API_LOG_DIR --config-file $CEILOMETER_CONF"
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else
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enable_apache_site ceilometer
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restart_apache_server
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tail_log ceilometer /var/log/$APACHE_NAME/ceilometer.log
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tail_log ceilometer-api /var/log/$APACHE_NAME/ceilometer_access.log
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fi
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# Start the compute agent last to allow time for the collector to
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# fully wake up and connect to the message bus. See bug #1355809
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if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
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run_process ceilometer-acompute "ceilometer-agent-compute --config-file $CEILOMETER_CONF" $LIBVIRT_GROUP
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fi
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if [[ "$VIRT_DRIVER" = 'vsphere' ]]; then
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run_process ceilometer-acompute "ceilometer-agent-compute --config-file $CEILOMETER_CONF"
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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 ceilometer-api; then
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echo "Waiting for ceilometer-api to start..."
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if ! timeout $SERVICE_TIMEOUT sh -c "while ! curl --noproxy '*' -s http://localhost:8777/v2/ >/dev/null; do sleep 1; done"; then
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die $LINENO "ceilometer-api did not start"
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fi
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fi
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run_process ceilometer-alarm-notifier "ceilometer-alarm-notifier --config-file $CEILOMETER_CONF"
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run_process ceilometer-alarm-evaluator "ceilometer-alarm-evaluator --config-file $CEILOMETER_CONF"
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}
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# stop_ceilometer() - Stop running processes
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function stop_ceilometer {
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if [ "$CEILOMETER_USE_MOD_WSGI" == "True" ]; then
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disable_apache_site ceilometer
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restart_apache_server
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fi
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# Kill the ceilometer screen windows
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for serv in ceilometer-acompute ceilometer-acentral ceilometer-anotification ceilometer-collector ceilometer-api ceilometer-alarm-notifier ceilometer-alarm-evaluator; do
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stop_process $serv
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done
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}
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# Restore xtrace
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$XTRACE
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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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