# lib/ceilometer

 # Install and start **Ceilometer** service
 

 # To enable, add the following to localrc
 # ENABLED_SERVICES+=ceilometer-acompute,ceilometer-acentral,ceilometer-collector,ceilometer-api
 

 # Dependencies:
 # - functions

 # - OS_AUTH_URL for auth in api

 # - DEST set to the destination directory

 # - SERVICE_PASSWORD, SERVICE_TENANT_NAME for auth in api

 # - STACK_USER service user

 
 # stack.sh
 # ---------

 # install_ceilometer
 # configure_ceilometer
 # init_ceilometer
 # start_ceilometer
 # stop_ceilometer
 # cleanup_ceilometer

 # Save trace setting
 XTRACE=$(set +o | grep xtrace)
 set +o xtrace

 
 
 # Defaults
 # --------
 

 # Set up default directories

 CEILOMETER_DIR=$DEST/ceilometer

 CEILOMETERCLIENT_DIR=$DEST/python-ceilometerclient

 CEILOMETER_CONF_DIR=/etc/ceilometer
 CEILOMETER_CONF=$CEILOMETER_CONF_DIR/ceilometer.conf
 CEILOMETER_API_LOG_DIR=/var/log/ceilometer-api

 CEILOMETER_AUTH_CACHE_DIR=${CEILOMETER_AUTH_CACHE_DIR:-/var/cache/ceilometer}

 # Support potential entry-points console scripts

 if [[ -d $CEILOMETER_DIR/bin ]]; then

     CEILOMETER_BIN_DIR=$CEILOMETER_DIR/bin
 else

     CEILOMETER_BIN_DIR=$(get_python_exec_prefix)

 fi

 
 # Functions
 # ---------
 

 # cleanup_ceilometer() - Remove residual data files, anything left over from previous
 # runs that a clean run would need to clean up
 function cleanup_ceilometer() {

     mongo ceilometer --eval "db.dropDatabase();"

 }
 

 # configure_ceilometerclient() - Set config files, create data dirs, etc
 function configure_ceilometerclient() {
     setup_develop $CEILOMETERCLIENT_DIR
 }
 

 # configure_ceilometer() - Set config files, create data dirs, etc
 function configure_ceilometer() {
     setup_develop $CEILOMETER_DIR

     [ ! -d $CEILOMETER_CONF_DIR ] && sudo mkdir -m 755 -p $CEILOMETER_CONF_DIR

     sudo chown $USER $CEILOMETER_CONF_DIR
 

     [ ! -d $CEILOMETER_API_LOG_DIR ] &&  sudo mkdir -m 755 -p $CEILOMETER_API_LOG_DIR

     sudo chown $USER $CEILOMETER_API_LOG_DIR

     iniset_rpc_backend ceilometer $CEILOMETER_CONF DEFAULT

     iniset $CEILOMETER_CONF DEFAULT notification_topics 'notifications,glance_notifications'
     iniset $CEILOMETER_CONF DEFAULT verbose True

     # Install the policy file for the API server
     cp $CEILOMETER_DIR/etc/ceilometer/policy.json $CEILOMETER_CONF_DIR

     cp $CEILOMETER_DIR/etc/ceilometer/pipeline.yaml $CEILOMETER_CONF_DIR

     iniset $CEILOMETER_CONF DEFAULT policy_file $CEILOMETER_CONF_DIR/policy.json
 

     # the compute and central agents need these credentials in order to
     # call out to the public nova and glance APIs
     iniset $CEILOMETER_CONF DEFAULT os_username ceilometer
     iniset $CEILOMETER_CONF DEFAULT os_password $SERVICE_PASSWORD
     iniset $CEILOMETER_CONF DEFAULT os_tenant_name $SERVICE_TENANT_NAME
     iniset $CEILOMETER_CONF DEFAULT os_auth_url $OS_AUTH_URL
 

     iniset $CEILOMETER_CONF keystone_authtoken auth_protocol http

     iniset $CEILOMETER_CONF keystone_authtoken admin_user ceilometer
     iniset $CEILOMETER_CONF keystone_authtoken admin_password $SERVICE_PASSWORD
     iniset $CEILOMETER_CONF keystone_authtoken admin_tenant_name $SERVICE_TENANT_NAME

     iniset $CEILOMETER_CONF keystone_authtoken signing_dir $CEILOMETER_AUTH_CACHE_DIR

     configure_mongodb
 

     cleanup_ceilometer

 }
 

 function configure_mongodb() {

     if is_fedora; then

         # ensure smallfiles selected to minimize freespace requirements
         sudo sed -i '/--smallfiles/!s/OPTIONS=\"/OPTIONS=\"--smallfiles /' /etc/sysconfig/mongod
 
         restart_service mongod
     fi
 }
 

 # init_ceilometer() - Initialize etc.
 function init_ceilometer() {
     # Create cache dir
     sudo mkdir -p $CEILOMETER_AUTH_CACHE_DIR

     sudo chown $STACK_USER $CEILOMETER_AUTH_CACHE_DIR

     rm -f $CEILOMETER_AUTH_CACHE_DIR/*
 }
 

 # install_ceilometer() - Collect source and prepare
 function install_ceilometer() {
     git_clone $CEILOMETER_REPO $CEILOMETER_DIR $CEILOMETER_BRANCH
 }
 

 # install_ceilometerclient() - Collect source and prepare
 function install_ceilometerclient() {
     git_clone $CEILOMETERCLIENT_REPO $CEILOMETERCLIENT_DIR $CEILOMETERCLIENT_BRANCH
 }
 

 # start_ceilometer() - Start running processes, including screen
 function start_ceilometer() {

     screen_it ceilometer-acompute "cd $CEILOMETER_DIR && sg libvirtd \"$CEILOMETER_BIN_DIR/ceilometer-agent-compute --config-file $CEILOMETER_CONF\""

     screen_it ceilometer-acentral "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-agent-central --config-file $CEILOMETER_CONF"

     screen_it ceilometer-collector "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-collector --config-file $CEILOMETER_CONF"
     screen_it ceilometer-api "cd $CEILOMETER_DIR && $CEILOMETER_BIN_DIR/ceilometer-api -d -v --log-dir=$CEILOMETER_API_LOG_DIR --config-file $CEILOMETER_CONF"

 }

 # stop_ceilometer() - Stop running processes
 function stop_ceilometer() {
     # Kill the ceilometer screen windows
     for serv in ceilometer-acompute ceilometer-acentral ceilometer-collector ceilometer-api; do
         screen -S $SCREEN_NAME -p $serv -X kill
     done
 }
 

 # Restore xtrace
 $XTRACE

 
 # Local variables:
 # mode: shell-script
 # End: