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importer_service.py
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importer_service.py
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#!/usr/bin/python
"""
WSGI geoserver layer server
"""
from gevent.pywsgi import WSGIServer
from geoserver.catalog import Catalog
from geoserver.layer import Layer
from geoserver.store import coveragestore_from_index, datastore_from_index, \
DataStore, CoverageStore, UnsavedDataStore, UnsavedCoverageStore
from geoserver.style import Style
from geoserver.support import prepare_upload_bundle
from geoserver.layergroup import LayerGroup, UnsavedLayerGroup
from geoserver.workspace import workspace_from_index, Workspace
from geoserver.resource import FeatureType
from geoserver.support import prepare_upload_bundle, url
import httplib2
import json
import requests
from bs4 import *
import ast
import yaml
import logging
#added imports for csw parsing
from datetime import datetime
from urlparse import urlparse
import requests
import xml.etree.ElementTree as ET
from owslib import fes, csw
from owslib.util import nspath_eval
from owslib.namespaces import Namespaces
__author__ = "abird"
# GeoServer
ADDLAYER = "addlayer"
REMOVELAYER = "removelayer"
UPDATELAYER = "updatelayer"
RESETSTORE = "resetstore"
LISTLAYERS = "listlayers"
ALIVE = "alive"
# GeoNetwork
REQUEST_HARVESTER = "requestharvester"
CREATE_HARVESTER = "createharvester"
REMOVE_HARVESTER = "removeharvester"
START_HARVESTER = "startharvester"
STOP_HARVESTER = "stopharvester"
RUN_HARVESTER = "runharvester"
KEY_SERVICE = 'service'
KEY_NAME = 'name'
KEY_ID = 'id'
PARAMS = 'params'
class ResourceImporter():
def __init__(self):
logger = logging.getLogger('importer_service')
hdlr = logging.FileHandler('importer_service.log')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
logger.setLevel(logging.DEBUG)
self.logger = logger
self.logger.info("Setting up geoserver importer service...")
self.startup()
def startup(self):
stream = open("extern.yml", 'r')
ion_config = yaml.load(stream)
self.logger.info("opened yml file")
self.GEO_WS = ion_config['eoi']['geoserver']['geoserver_ooi_workspace']
self.SERVER = ion_config['eoi']['geoserver']['server']+"/geoserver/rest"
self.U_NAME = ion_config['eoi']['geoserver']['user_name']
self.P_WD = ion_config['eoi']['geoserver']['password']
self.PORT = ion_config['eoi']['importer_service']['port']
self.GEO_STORE = ion_config['eoi']['geoserver']['geoserver_ooi_store']
self.SESSION_START_UP_ln1 = ion_config['eoi']['postgres']['session_startup_ln1']
self.SESSION_START_UP_ln2 = ion_config['eoi']['postgres']['session_startup_ln2']
self.POSTGRES_USER = ion_config['eoi']['postgres']['user_name']
self.POSTGRES_PASSWORD = ion_config['eoi']['postgres']['password']
self.POSTGRES_DB = ion_config['eoi']['postgres']['database']
self.POSTGRES_PORT = ion_config['eoi']['postgres']['port']
self.POSTGRES_HOST = ion_config['eoi']['postgres']['host']
self.LAYER_PREFIX = ion_config['eoi']['geoserver']['layer_prefix']
self.LAYER_SUFFIX = ion_config['eoi']['geoserver']['layer_suffix']
self.GEONETWORK_BASE_URL = ion_config['eoi']['geonetwork']['base_url']
self.GEONETWORK_USER = ion_config['eoi']['geonetwork']['user_name']
self.GEONETWORK_PASS = ion_config['eoi']['geonetwork']['password']
self.GEONETWORK_ICON = ion_config['eoi']['geonetwork']['icon']
self.GEONETWORK_OPTIONS_EVERY = ion_config['eoi']['geonetwork']['options_every']
self.GEONETWORK_OPTIONS_ONERUNONLY = ion_config['eoi']['geonetwork']['options_onerunonly']
self.GEONETWORK_OPTIONS_STATUS = ion_config['eoi']['geonetwork']['options_status']
self.logger.info("parsed attributes")
self.logger.info('Serving on '+str(self.PORT)+'...')
server = WSGIServer(('', self.PORT), self.application).serve_forever()
def application(self, env, start_response):
request = env['PATH_INFO']
request = request[1:]
cat = Catalog(self.SERVER, self.U_NAME, self.P_WD)
output = ''
if request == '/':
start_response('404 Not Found', [('Content-Type', 'text/html')])
return ["<h1>Error<b>please add request information</b>"]
else:
req = request.split("&")
param_dict = {}
if len(req) > 1:
for param in req:
params = param.split("=")
param_dict[params[0]] = params[1]
#parse request
if param_dict.has_key(KEY_SERVICE):
if param_dict[KEY_SERVICE] == ALIVE:
start_response('200 ok', [('Content-Type', 'text/html')])
return ['<b>IMPORTER SERVICE IS ALIVE<BR>' + request + '<br>' + output + '</b>']
elif param_dict[KEY_SERVICE] == ADDLAYER:
if param_dict.has_key(KEY_NAME) and param_dict.has_key(KEY_ID):
if param_dict.has_key(PARAMS):
self.create_layer(param_dict[KEY_NAME], self.GEO_STORE, self.GEO_WS, param_dict[PARAMS])
else:
start_response('400 Bad Request', [('Content-Type', 'text/html')])
return ['<b>ERROR NO PARAMS<BR>' + request + '<br>' + output + '</b>']
else:
start_response('400 Bad Request', [('Content-Type', 'text/html')])
return ['<b>ERROR NO ID or NAME<BR>' + request + '<br>' + output + '</b>']
elif param_dict[KEY_SERVICE] == REMOVELAYER:
if param_dict.has_key(KEY_NAME) and param_dict.has_key(KEY_ID):
self.remove_layer(param_dict[KEY_NAME], self.GEO_STORE, self.GEO_WS, cat)
elif param_dict[KEY_SERVICE] == UPDATELAYER:
self.remove_layer(param_dict[KEY_NAME], self.GEO_STORE, self.GEO_WS, cat)
self.createLayer(param_dict[KEY_NAME], self.GEO_STORE, self.GEO_WS, param_dict[PARAMS])
self.logger.info(UPDATELAYER)
elif param_dict[KEY_SERVICE] == LISTLAYERS:
layer_list_ret = self.get_layer_list(cat)
self.logger.info(UPDATELAYER)
self.logger.info(layer_list_ret)
output = ''.join(layer_list_ret)
self.logger.info(output)
elif param_dict[KEY_SERVICE] == RESETSTORE:
self.reset_data_store(cat)
# GeoNetwork Service Calls
#
# Obtain list of current harvesters, i.e. is the service ALIVE?
elif param_dict[KEY_SERVICE] == REQUEST_HARVESTER:
r = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get', auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
nodes = self.get_geonetwork_nodes(r.text)
if len(nodes) > 0:
start_response('200 ok', [('Content-Type', 'application/xml')])
return [r.content]
else:
start_response('200 ok', [('Content-Type', 'text/html')])
return ['<b>ALIVE - NO HARVESTER NODES DEFINED<BR>' + request + '</b>']
else:
start_response(str(r.status_code), [('Content-Type', 'text/html')])
return ['<b>ERROR</b>']
# Create new harvester
elif param_dict[KEY_SERVICE] == CREATE_HARVESTER:
# TODO: Check that harvester doesn't already exist (use name field from RR and GN harvester name)
# TODO: If it does, make sure to update with new params by DROP/ADD method
# Make sure the service is ALIVE
r_check = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get', auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
required_parameters = {
'id': None, # id=6a9e7082c36b4facb915e36488376328
#'ownerid': None,
'lcstate': None, # lcstate=DEPLOYED&
#'org_ids': None,
#'providerids': None,
'externalize': None, # externalize=0&
'name': None, # name=ooi&
'description': None, # description=OOI&
'datasourcetype': None, # datasourcetype=sos&
'harvestertype': None, # harvestertype=ogcwxs&
'searchterms': None, # searchterms=&
'importxslt': None, # importxslt=&
'ogctype': None, # ogctype=SOS1.0.0&
'connectionparams': None, # connectionparams={}&
'datasourceattributes': None, # datasourceattributes={}&
'protocoltype': None, # institution={'website': '', 'phone': '', 'name': '', 'email': ''}&
'institution': None # protocoltype=&
#'contact': None
}
# rev=1&
# availability=AVAILABLE&
# persistedversion=1&
# addl={}&
# visibility=1&
# tsupdated=1399467966285&
# tscreated=1399467966285&
# altids=['PRE:EDSID3']&
ndbc_ioos = "ndbc_ioos"
missing_params = []
for required_parameter in required_parameters:
if required_parameter in param_dict:
required_parameters[required_parameter] = param_dict[required_parameter]
else:
missing_params.append(required_parameter)
self.logger.warn('Parameter %s is missing.' % required_parameter)
#very special case for when we need to process the link and get the links from ngdc csw catalog
#override and set defauly sos params
try:
if param_dict["name"] == ndbc_ioos:
#get data urls
ret = self.get_data_urls_for_ioos(r_check,request,required_parameters,start_response,output)
else:
ret = self.generate_harvester(r_check,request,required_parameters,start_response,output)
if (len(ret))>1 :
start_response = ret[1]
else:
self.logger.error(ret[0])
return [ret[0]]
except Exception, e:
self.logger.error(str(e))
return [str(e)]
return [ret[0]]
# Remove ALL harvesters associated with external observatories
elif param_dict[KEY_SERVICE] == REMOVE_HARVESTER:
# Make sure the service is ALIVE
r_check = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get',
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
# Check that the harvester filter (hfilter) is set in the URL parameters
# Default to activate all harvesters
hfilter = 'none'
if 'hfilter' in param_dict:
hfilter = param_dict['hfilter']
harvesters, r = self.get_harvesters(hfilter)
if (r_check.status_code == 200) and (len(harvesters) > 0):
#Set the proper XML payload based on the type and configuration of the harvester
payload = '''<?xml version='1.0' encoding='utf-8'?>
<request>'''
for hkey in harvesters.keys():
payload += '''<id>%s</id>''' % hkey
payload += '''</request>'''
# Send the POST to start the harvester scheduler
headers = {'Content-Type': 'application/xml'}
r = requests.post(self.GEONETWORK_BASE_URL + 'xml.harvesting.remove',
data=payload,
headers=headers,
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
output = str(r.text)
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) REMOVED<br>' + request + '</b></br>' + output
return response_str
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) FAILED TO BE REMOVED</b>'
return [response_str]
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>NO HARVESTER(s) TO REMOVE</b>'
return [response_str]
# Start automated harvester based on defined scheduled time
elif param_dict[KEY_SERVICE] == START_HARVESTER:
# Make sure the service is ALIVE
r_check = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get',
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
# Check that the harvester filter (hfilter) is set in the URL parameters
# Default to activate all harvesters
hfilter = 'none'
if 'hfilter' in param_dict:
hfilter = param_dict['hfilter']
harvesters, r = self.get_harvesters(hfilter)
if (r_check.status_code == 200) and (len(harvesters) > 0):
#Set the proper XML payload based on the type and configuration of the harvester
payload = '''<?xml version='1.0' encoding='utf-8'?>
<request>'''
for hkey in harvesters.keys():
payload += '''<id>%s</id>''' % hkey
payload += '''</request>'''
# Send the POST to start the harvester scheduler
headers = {'Content-Type': 'application/xml'}
r = requests.post(self.GEONETWORK_BASE_URL + 'xml.harvesting.start',
data=payload,
headers=headers,
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
output = str(r.text)
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) STARTED<br>' + request + '</b></br>' + output
return response_str
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) FAILED TO START</b>'
return [response_str]
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>NO HARVESTER(s) TO START</b>'
return [response_str]
# Stop harvester
elif param_dict[KEY_SERVICE] == STOP_HARVESTER:
# Make sure the service is ALIVE
r_check = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get',
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
# Check that the harvester filter (hfilter) is set in the URL parameters
# Default to activate all harvesters
hfilter = 'none'
if 'hfilter' in param_dict:
hfilter = param_dict['hfilter']
harvesters, r = self.get_harvesters(hfilter)
if (r_check.status_code == 200) and (len(harvesters) > 0):
#Set the proper XML payload based on the type and configuration of the harvester
payload = '''<?xml version='1.0' encoding='utf-8'?>
<request>'''
for hkey in harvesters.keys():
payload += '''<id>%s</id>''' % hkey
payload += '''</request>'''
# Send the POST to start the harvester scheduler
headers = {'Content-Type': 'application/xml'}
r = requests.post(self.GEONETWORK_BASE_URL + 'xml.harvesting.stop',
data=payload,
headers=headers,
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
output = str(r.text)
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) STOPPED<br>' + request + '</b></br>' + output
return response_str
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) FAILED TO STOP</b>'
return [response_str]
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>NO HARVESTER(s) TO STOP</b>'
return [response_str]
# Run harvester on-demand)
elif param_dict[KEY_SERVICE] == RUN_HARVESTER:
# Make sure the service is ALIVE
r_check = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get',
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
# Check that the harvester filter (hfilter) is set in the URL parameters
# Default to activate all harvesters
hfilter = 'none'
if 'hfilter' in param_dict:
hfilter = param_dict['hfilter']
harvesters, r = self.get_harvesters(hfilter)
if (r_check.status_code == 200) and (len(harvesters) > 0):
#Set the proper XML payload based on the type and configuration of the harvester
payload = '''<?xml version='1.0' encoding='utf-8'?>
<request>'''
for hkey in harvesters.keys():
payload += '''<id>%s</id>''' % hkey
payload += '''</request>'''
# Send the POST to run a harvester on-demand
headers = {'Content-Type': 'application/xml'}
r = requests.post(self.GEONETWORK_BASE_URL + 'xml.harvesting.run',
data=payload,
headers=headers,
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
output = str(r.text)
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) RUNNING<br>' + request + '</b></br>' + output
return response_str
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>HARVESTER(s) FAILED TO RUN</b>'
return [response_str]
else:
start_response('200 ok', [('Content-Type', 'text/html')])
response_str = '<b>NO HARVESTER(s) TO RUN</b>'
return [response_str]
start_response('200 OK', [('Content-Type', 'text/html')])
return ['<b>' + request + '<br>' + output + '</b>']
def get_data_urls_for_ioos(self,r_check,request,required_parameters,start_response,output):
region_map = {'AOOS' : '1706F520-2647-4A33-B7BF-592FAFDE4B45',
'ATN_DAC' : '07875897-E6A6-4EDB-B111-F5D6BE841ED6',
'CARICOOS' : '117F1684-A5E3-400E-98D8-A270BDBA1603',
'CENCOOS' : '4BA5624D-A61F-4C7E-BAEE-7F8BDDB8D9C4',
'GCOOS' : '003747E7-4818-43CD-937D-44D5B8E2F4E9',
'GLOS' : 'B664427E-6953-4517-A874-78DDBBD3893E',
'MARACOOS' : 'C664F631-6E53-4108-B8DD-EFADF558E408',
'NANOOS' : '254CCFC0-E408-4E13-BD62-87567E7586BB',
'NERACOOS' : 'E41F4FCD-0297-415D-AC53-967B970C3A3E',
'PacIOOS' : '68FF11D8-D66B-45EE-B33A-21919BB26421',
'SCCOOS' : 'B70B3E3C-3851-4BA9-8E9B-C9F195DCEAC7',
'SECOORA' : 'B3EA8869-B726-4E39-898A-299E53ABBC98'}
services = {'SOS' : 'urn:x-esri:specification:ServiceType:sos:url'}
endpoint = 'http://www.ngdc.noaa.gov/geoportal/csw' # NGDC Geoportal
filter_regions=None
filter_service_types=None
c = csw.CatalogueServiceWeb(endpoint, timeout=120)
ns = Namespaces()
filter_regions = filter_regions or region_map.keys()
filter_service_types = filter_service_types or services.keys()
total = 0
for region,uuid in region_map.iteritems():
if region not in filter_regions:
print ("Skipping region %s due to filter", region)
continue
self.logger.error("NGDC: Requesting region %s", region)
# Setup uuid filter
uuid_filter = fes.PropertyIsEqualTo(propertyname='sys.siteuuid', literal="{%s}" % uuid)
# Make CSW request
c.getrecords2([uuid_filter], esn='full', maxrecords=999999)
for name, record in c.records.iteritems():
try:
#if its an sos end point fix the required params
required_parameters["harvestertype"]="ogcwxs"
required_parameters["importxslt"]=""
required_parameters["ogctype"]="SOS1.0.0"
required_parameters["datasourcetype"]="sos"
contact_email = ""
metadata_url = None
for ref in record.references:
# We are only interested in the 'services'
if ref["scheme"] in services.values():
url = unicode(ref["url"])
url = url.replace("?service=SOS&version=1.0.0&request=GetCapabilities","")
required_parameters["protocoltype"] = url
required_parameters["name"] = region
## generate entry via the harvester service
ret = self.generate_harvester(r_check,request,required_parameters,start_response,output)
if (len(ret))>1:
total+=1
self.logger.error(ret[1])
else:
self.logger.error(ret[0])
except Exception as e:
self.logger.error("Could not get region info: %s", e)
return '<b>created NGDC enteries</b>'+str(total)
def generate_harvester(self,r_check,request,required_parameters,start_response,output):
# if r_check.status_code == 200 and None not in required_parameters.values():
if r_check.status_code == 200:
#Set the proper XML payload based on the type and configuration of the harvester
payload = self.configure_xml_harvester_add_xml(required_parameters, self.GEONETWORK_ICON, self.GEONETWORK_OPTIONS_EVERY, self.GEONETWORK_OPTIONS_ONERUNONLY, self.GEONETWORK_OPTIONS_STATUS)
# Check to ensure the XML payload returned properly
if payload is not False:
headers = {'Content-Type': 'application/xml'}
r = requests.post(self.GEONETWORK_BASE_URL + 'xml.harvesting.add',
data=payload,
headers=headers,
auth=(self.GEONETWORK_USER, self.GEONETWORK_PASS))
if r.status_code == 200:
output = str(r.text)
start_response('200 ok', [('Content-Type', 'text/html')])
#return ['<b>ALIVE & ADDED<BR>' + request + '<br>' + output + '</b>']
return ['<b>ALIVE & ADDED<br>' + request + '</b></br>' + output]
else:
self.logger.error("XML payload failed")
return ['<b>ERROR<br>' + request + '</b></br>' + output]
else:
# XML payload configuration failed
self.logger.error("XML payload configuration failed")
else:
start_response(str(r_check.status_code), [('Content-Type', 'text/html')])
response_str = '<b>ERROR: %s Creating Harvester</b></br>' % r_check.status_code
for p in required_parameters:
response_str += '%s </br>' % p
#add the missing params
response_str += "<b> Missing Params</b>"
for p in missing_params:
response_str += '%s </br>' % p
return [response_str,start_response]
def get_harvesters(self, harvester_filter=None):
harvesters = {}
try:
r = requests.get(self.GEONETWORK_BASE_URL + 'xml.harvesting.get', auth=('admin', 'admin'))
if r.status_code == 200:
soup = BeautifulSoup(r.text)
nodes = soup.findAll('node')
for node in nodes:
hid = str(node['id'])
htype = str(node['type'])
site = node.find('site')
name = str(site.find('name').text)
uuid = str(site.find('uuid').text)
if (harvester_filter == name) or (harvester_filter == 'all'):
harvesters[hid] = {'type': htype, 'name': name, 'uuid': uuid}
return harvesters, r
except IOError:
self.logger.error('Could not retrieve harvester node list!')
def get_geonetwork_nodes(self, response_xml):
soup = BeautifulSoup(response_xml)
nodes = soup.findAll("node")
return nodes
def get_geo_store_params(self,):
#rpsdev = 'Session startup SQL': 'select runCovTest();\nselect 1 from covtest limit 1;',
session_startup = ""
if self.SESSION_START_UP_ln1 is not None:
session_startup+=self.SESSION_START_UP_ln1 + '\n'
if self.SESSION_START_UP_ln2 is not None:
session_startup += self.SESSION_START_UP_ln2
params = {
'Connection timeout': '20',
'Estimated extends': 'true',
'Expose primary keys': 'false',
'Loose bbox': 'true',
'Session startup SQL': session_startup,
'Max open prepared statements': '50',
'database': str(self.POSTGRES_DB),
'dbtype': 'postgis',
'encode functions': 'false',
'fetch size': '1000',
'host': str(self.POSTGRES_HOST),
'password' : str(self.POSTGRES_PASSWORD),
'max connections': '10',
'min connections': '1',
'namespace': 'http://www.geonode.org/',
'port': str(self.POSTGRES_PORT),
'preparedStatements': 'false',
'schema': 'public',
'user': str(self.POSTGRES_USER),
'validate connections': 'true'
}
return params
def get_layer_list(self, cat):
layer_list = []
layer_list.append('List Of DataLayers')
layer_list.append('<br>')
layer_list.append('<br>')
geo_ws = cat.get_workspace(self.GEO_WS)
try:
geo_store = cat.get_store(self.GEO_STORE)
for d in geo_store.get_resources():
layer_list.append(d.name)
layer_list.append('<br>')
except Exception, e:
self.logger.info("issue getting layers:" + str(e))
return layer_list
def reset_data_store(self, cat):
self.logger.info(RESETSTORE)
geo_ws = cat.get_workspace(self.GEO_WS)
try:
geo_store = cat.get_store(self.GEO_STORE)
#remove all the things if it has resources
for d in geo_store.get_resources():
layer = cat.get_layer(d.name)
if layer:
#delete the layer
cat.delete(layer)
#delete the actual file
cat.delete(d)
else:
try:
self.logger.info("layer thinks it does not exist...remove")
cat.delete(d)
pass
except Exception, e:
self.logger.info("issue getting/removing layer:"+str(e))
cat.save(geo_store)
cat.delete(geo_store)
except Exception,e:
self.logger.info("issue getting/removing datastore:"+str(e))
try:
if cat.get_store(self.GEO_STORE):
#store exists for some reason was not removed!?
self.logger.info("using existing datastore")
except Exception, e:
self.logger.info("create new")
#store does not exist create it, the preferred outcome
geo_store = cat.create_datastore(self.GEO_STORE, geo_ws)
geo_store.capabilitiesURL = "http://www.geonode.org/"
geo_store.type = "PostGIS"
geo_store.connection_parameters = self.get_geo_store_params()
#MUST SAVE IT!
info = cat.save(geo_store)
self.logger.info(info[0]['status']+" store created...")
def remove_layer(self,layer_name, store_name, workspace_name, cat):
self.logger.info (REMOVELAYER)
geo_ws = cat.get_workspace(self.GEO_WS)
try:
geo_store = cat.get_store(self.GEO_STORE)
#remove all the things if it has resources
layer = cat.get_layer(layer_name)
if (layer):
#delete the layer
cat.delete(layer)
#delete the actual file/resource
cat.delete(cat.get_resource(layer_name))
cat.save(geo_store)
#else:
#if the layer does not exist try deleting the resource
# cat.delete(cat.get_resource(layer_name))
# cat.save(geo_store)
except Exception:
self.logger.info("issue getting/removing data layer/resource")
def create_layer(self, layer_name, store_name, workspace_name, params):
self.logger.info(ADDLAYER)
xml = '''<?xml version='1.0' encoding='utf-8'?>
<featureType>
<name>%s%s%s</name>
<nativeName>layer_%s</nativeName>
<namespace>
<name>%s</name>
<atom:link xmlns:atom="http://www.w3.org/2005/Atom\" rel=\"alternate\" href=\"http://localhost:8080/geoserver/rest/namespaces/geonode.xml\" type=\"application/xml\"/>
</namespace>
<title>DataProductLayer</title>
<keywords>
<string>DataProductLayer</string>
<string>autoGeneration</string>
</keywords>
<srs>EPSG:4326</srs>
<nativeBoundingBox>
<minx>-180</minx>
<maxx>180</maxx>
<miny>-90.0</miny>
<maxy>90.0</maxy>
</nativeBoundingBox>
<latLonBoundingBox>
<minx>-180</minx>
<maxx>180</maxx>
<miny>-90.0</miny>
<maxy>90.0</maxy>
</latLonBoundingBox>
<projectionPolicy>FORCE_DECLARED</projectionPolicy>
<enabled>true</enabled>
<metadata>
<entry key="time">
<dimensionInfo>
<enabled>true</enabled>
<attribute>time</attribute>
<presentation>LIST</presentation>
<units>ISO8601</units>
</dimensionInfo>
</entry>
<entry key="elevation">
<dimensionInfo>
<enabled>false</enabled>
</dimensionInfo>
</entry>
<entry key=\"cachingEnabled\">false</entry>
<entry key=\"JDBC_VIRTUAL_TABLE\">
<virtualTable>
<name>layer_%s</name>
<sql>select * from _%s_view</sql>
<escapeSql>false</escapeSql>
<geometry>
<name>geom</name>
<type>Point</type>
<srid>4326</srid>
</geometry>
</virtualTable>
</entry>
</metadata>
<store class=\"dataStore\">
<name>%s</name>
<atom:link xmlns:atom=\"http://www.w3.org/2005/Atom\" rel=\"alternate\" href=\"http://localhost:8080/geoserver/rest/workspaces/geonode/datastores/ooi.xml\" type=\"application/xml\"/>
</store>
<maxFeatures>0</maxFeatures>
<numDecimals>0</numDecimals>
'''% (self.LAYER_PREFIX, layer_name, self.LAYER_SUFFIX ,layer_name, workspace_name, layer_name, layer_name, store_name)
xml += "<attributes>"
#log.info("------------------\n")
params = ast.literal_eval(params)
#add point geom
params['geom'] = "geom"
self.logger.info (params)
#log.info("------------------\n")
#add attribute list
for paramItem in params:
xml += self.add_attributes(paramItem,params[paramItem])
xml += "</attributes>"
xml += "</featureType>"
#generate layer
serverpath = str(self.SERVER) + "/" + "workspaces" + "/" + self.GEO_WS + "/" + "datastores/"+self.GEO_STORE+"/featuretypes"
headers = {'Content-Type': 'application/xml'} # set what your server accepts
auth = (str(self.U_NAME), str(self.P_WD))
r = requests.post(serverpath,
data=xml,
headers=headers,
auth=auth)
self.logger.info("statusCode:"+str(r.status_code))
#log.info r.text
layer_name = self.LAYER_PREFIX+layer_name+self.LAYER_SUFFIX
#append query
serverpath = self.SERVER+"/layers/"+layer_name+'.xml'
r = requests.get(serverpath,
headers=headers,
auth=auth)
#get the existing layer
self.logger.info("statusCode: getLayer:"+str(r.status_code))
if r.status_code == 200:
xml = r.text
findString = ('</resource>')
val= xml.find(findString)
xmlPart1 = xml[:val+len(findString)]
xmlAgg = xmlPart1+"\n<queryable>true</queryable>"+xml[val+len(findString):]
#log.info "-----------"
#log.info xmlAgg
r = requests.put(serverpath,
data=xmlAgg,
headers=headers,
auth=auth)
self.logger.info("statusCode: updateLayer:"+str(r.status_code))
else:
self.logger.info("could not get layer, check it exists... "+r.text)
pass
def add_attributes(self, param, param_type):
attribute = "<attribute>"
attribute += "<name>"+param+"</name>"
attribute += "<minOccurs>0</minOccurs>"
attribute += "<maxOccurs>1</maxOccurs>"
attribute += "<nillable>true</nillable>"
if param == "geom":
attribute += "<binding>com.vividsolutions.jts.geom.Point</binding>"
elif param_type == "float":
attribute += "<binding>java.lang.Float</binding>"
elif param_type == "real":
attribute += "<binding>java.lang.Float</binding>"
elif param_type == "time":
attribute += "<binding>java.sql.Timestamp</binding>"
elif param_type == "int":
attribute += "<binding>java.lang.Int</binding>"
else:
attribute += "<binding>java.lang.Float</binding>"
attribute += "</attribute>"
return attribute
def configure_xml_harvester_add_xml(self, required_parameters, icon, options_every, options_onerunonly, options_status):
# Validate required_parameters values
valid_parameters = True
harvester_types = [
'geonetwork',
'webdav',
'csw',
'z3950',
'oaipmh',
'thredds',
'wfsfeatures',
'filesystem',
'arcsde',
'ogcwxs',
'geoPREST'
]
if None in required_parameters:
valid_parameters = False
if required_parameters['harvestertype'] not in harvester_types:
valid_parameters = False
# Search term management
xmlTemplate = """<search>
<freeText>%s</freeText>
</search>"""
search_terms = required_parameters['searchterms'].split(',')
searches = ''
if len(required_parameters['searchterms']) > 0:
for search_term in search_terms:
searches += xmlTemplate % search_term
searches += '\n'
else:
searches = xmlTemplate % ''
# Gather all parameters for XML file
other_parameters = {}
other_parameters['searches'] = searches
other_parameters['icon'] = icon
other_parameters['baseurl'] = required_parameters['protocoltype']
other_parameters['options_every'] = options_every
other_parameters['options_onerunonly'] = options_onerunonly
other_parameters['options_status'] = options_status
xmldata = required_parameters.copy()
xmldata.update(other_parameters)
if valid_parameters:
# GeoPortal (geoPREST) Harvester XML
# TODO: This is the only one supported at the moment
if required_parameters['harvestertype'] == 'geoPREST':
xml = '''<?xml version='1.0' encoding='utf-8'?>
<node type=\"%(harvestertype)s\">
<owner>
<id>1</id>
</owner>
<ownerGroup>
<id>3</id>
</ownerGroup>
<site>
<name>%(name)s</name>
<account>
<use>true</use>
<username/>
<password/>
</account>
<baseUrl>%(baseurl)s</baseUrl>
<icon>%(icon)s</icon>
</site>
<content>
<validate>false</validate>
<importxslt>%(importxslt)s</importxslt>
</content>
<options>
<every>%(options_every)s</every>
<oneRunOnly>%(options_onerunonly)s</oneRunOnly>
<status>%(options_status)s</status>
</options>
<searches>
%(searches)s
</searches>
<privileges>
<group id=\"3\">
<operation name=\"view\" />
<operation name=\"dynamic\" />
<operation name=\"featured\" />
</group>
</privileges>
<categories>
<category id="2" />
</categories>
</node>''' % xmldata
return xml
elif required_parameters['harvestertype'] == 'ogcwxs':
xml = '''<?xml version='1.0' encoding='utf-8'?>
<node type=\"%(harvestertype)s\">
<owner>
<id>1</id>
</owner>
<ownerGroup>
<id>3</id>
</ownerGroup>
<site>
<name>%(name)s</name>
<account>
<use>false</use>
<username/>
<password/>
</account>
<url>
%(baseurl)s
</url>
<ogctype>%(ogctype)s</ogctype>
<icon>%(icon)s</icon>
</site>
<content>
<validate>false</validate>
<importxslt>none</importxslt>
</content>
<options>
<every>%(options_every)s</every>
<oneRunOnly>%(options_onerunonly)s</oneRunOnly>
<status>%(options_status)s</status>
<lang>eng</lang>
<topic>oceans</topic>
<createThumbnails>true</createThumbnails>
<useLayer>true</useLayer>
<useLayerMd>true</useLayerMd>
<datasetCategory>2</datasetCategory>
<outputSchema>iso19139</outputSchema>
</options>
<categories>
<category id="2"/>
</categories>
<info/>
</node>''' % xmldata
return xml
else:
return False
else:
self.logger.error('Could not create harvester XML definition based on supplied input!')
return False