def delete_old_watershed_geoserver_files(watershed):
"""
Removes old watershed geoserver files from system
"""
#initialize session
session = mainSessionMaker()
main_settings = session.query(MainSettings).order_by(MainSettings.id).first()
#initialize geoserver manager
geoserver_manager = GeoServerDatasetManager(engine_url=watershed.geoserver.url,
username=watershed.geoserver.username,
password=watershed.geoserver.password,
app_instance_id=main_settings.app_instance_id)
session.close()
#delete layers which need to be deleted
if watershed.geoserver_drainage_line_layer:
if watershed.geoserver_drainage_line_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_drainage_line_layer.name)
if watershed.geoserver_boundary_layer:
if watershed.geoserver_boundary_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_boundary_layer.name)
if watershed.geoserver_gage_layer:
if watershed.geoserver_gage_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_gage_layer.name)
if watershed.geoserver_ahps_station_layer:
if watershed.geoserver_ahps_station_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_ahps_station_layer.name)
def delete_old_watershed_geoserver_files(watershed):
"""
Removes old watershed geoserver files from system
"""
#initialize session
session = mainSessionMaker()
main_settings = session.query(MainSettings).order_by(MainSettings.id).first()
#initialize geoserver manager
geoserver_manager = GeoServerDatasetManager(engine_url=watershed.geoserver.url,
username=watershed.geoserver.username,
password=watershed.geoserver.password,
app_instance_id=main_settings.app_instance_id)
session.close()
#delete layers which need to be deleted
if watershed.geoserver_drainage_line_layer:
if watershed.geoserver_drainage_line_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_drainage_line_layer.name)
if watershed.geoserver_boundary_layer:
if watershed.geoserver_boundary_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_boundary_layer.name)
if watershed.geoserver_gage_layer:
if watershed.geoserver_gage_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_gage_layer.name)
if watershed.geoserver_ahps_station_layer:
if watershed.geoserver_ahps_station_layer.uploaded:
geoserver_manager.purge_remove_geoserver_layer(watershed.geoserver_ahps_station_layer.name)
def delete_old_watershed_prediction_files(watershed, forecast="all"):
"""
Removes old watershed prediction files from system if no other watershed has them
"""
def delete_prediciton_files(main_folder_name, sub_folder_name, local_prediction_files_location):
"""
Removes predicitons from folder and folder if not empty
"""
prediciton_folder = os.path.join(local_prediction_files_location,
main_folder_name,
sub_folder_name)
#remove watersheds subbsasins folders/files
if main_folder_name and sub_folder_name and \
local_prediction_files_location and os.path.exists(prediciton_folder):
#remove all prediction files from watershed/subbasin
try:
rmtree(prediciton_folder)
except OSError:
pass
#remove watershed folder if no other subbasins exist
try:
os.rmdir(os.path.join(local_prediction_files_location,
main_folder_name))
except OSError:
pass
#initialize session
session = mainSessionMaker()
main_settings = session.query(MainSettings).order_by(MainSettings.id).first()
forecast = forecast.lower()
#Remove ECMWF Forecasta
if forecast == "all" or forecast == "ecmwf":
#Make sure that you don't delete if another watershed is using the
#same predictions
num_ecmwf_watersheds_with_forecast = session.query(Watershed) \
.filter(
and_(
Watershed.ecmwf_data_store_watershed_name == watershed.ecmwf_data_store_watershed_name,
Watershed.ecmwf_data_store_subbasin_name == watershed.ecmwf_data_store_subbasin_name
)
) \
.filter(Watershed.id != watershed.id) \
.count()
if num_ecmwf_watersheds_with_forecast <= 0:
delete_prediciton_files(watershed.ecmwf_data_store_watershed_name,
watershed.ecmwf_data_store_subbasin_name,
main_settings.ecmwf_rapid_prediction_directory)
#Remove WRF-Hydro Forecasts
if forecast == "all" or forecast == "wrf_hydro":
#Make sure that you don't delete if another watershed is using the
#same predictions
num_wrf_hydro_watersheds_with_forecast = session.query(Watershed) \
.filter(
and_(
Watershed.wrf_hydro_data_store_watershed_name == watershed.wrf_hydro_data_store_watershed_name,
Watershed.wrf_hydro_data_store_subbasin_name == watershed.wrf_hydro_data_store_subbasin_name
)
) \
.filter(Watershed.id != watershed.id) \
.count()
if num_wrf_hydro_watersheds_with_forecast <= 0:
delete_prediciton_files(watershed.wrf_hydro_data_store_watershed_name,
watershed.wrf_hydro_data_store_subbasin_name,
main_settings.wrf_hydro_rapid_prediction_directory)
session.close()
def delete_old_watershed_prediction_files(watershed, forecast="all"):
"""
Removes old watershed prediction files from system if no other watershed has them
"""
def delete_prediciton_files(watershed_folder_name, local_prediction_files_location):
"""
Removes predicitons from folder and folder if not empty
"""
prediciton_folder = os.path.join(local_prediction_files_location,
watershed_folder_name)
#remove watersheds subbsasins folders/files
if watershed_folder_name and \
local_prediction_files_location and os.path.exists(prediciton_folder):
#remove all prediction files from watershed/subbasin
try:
rmtree(prediciton_folder)
except OSError:
pass
#remove watershed folder if no other subbasins exist
try:
os.rmdir(os.path.join(local_prediction_files_location,
watershed_folder_name))
except OSError:
pass
#initialize session
session = mainSessionMaker()
main_settings = session.query(MainSettings).order_by(MainSettings.id).first()
forecast = forecast.lower()
#Remove ECMWF Forecasta
if forecast == "all" or forecast == "ecmwf":
#Make sure that you don't delete if another watershed is using the
#same predictions
num_ecmwf_watersheds_with_forecast = session.query(Watershed) \
.filter(
and_(
Watershed.ecmwf_data_store_watershed_name == watershed.ecmwf_data_store_watershed_name,
Watershed.ecmwf_data_store_subbasin_name == watershed.ecmwf_data_store_subbasin_name
)
) \
.filter(Watershed.id != watershed.id) \
.count()
if num_ecmwf_watersheds_with_forecast <= 0:
delete_prediciton_files("{0}-{1}".format(watershed.ecmwf_data_store_watershed_name,
watershed.ecmwf_data_store_subbasin_name),
main_settings.ecmwf_rapid_prediction_directory)
#Remove WRF-Hydro Forecasts
if forecast == "all" or forecast == "wrf_hydro":
#Make sure that you don't delete if another watershed is using the
#same predictions
num_wrf_hydro_watersheds_with_forecast = session.query(Watershed) \
.filter(
and_(
Watershed.wrf_hydro_data_store_watershed_name == watershed.wrf_hydro_data_store_watershed_name,
Watershed.wrf_hydro_data_store_subbasin_name == watershed.wrf_hydro_data_store_subbasin_name
)
) \
.filter(Watershed.id != watershed.id) \
.count()
if num_wrf_hydro_watersheds_with_forecast <= 0:
delete_prediciton_files("{0}-{1}".format(watershed.wrf_hydro_data_store_watershed_name,
watershed.wrf_hydro_data_store_subbasin_name),
main_settings.wrf_hydro_rapid_prediction_directory)
session.close()
