def parse_hudsucker_request(data):
"""Parse request into Service Definition
json v1::
{"service": "memcached",
"params": {"key": "some_key",
"value": "some_value",
"expiry_minutes": "60"}
}
json v1.1::
{"app": "hudsucker",
"service": "memcached",
"version":"1.1",
"expiry_minutes": "60",
"params": {"key": "some_key",
"value": "some_value"}
}
"""
import simplejson
sd = ServiceDefinition('tbd')
#print('Input data: ' + data)
command = simplejson.loads(data)
params = command['params']
if 'version' not in command:
# Legacy format before versioning
if not command.has_key('service'):
raise Exception('Requires service: {"service":"myservice", ...}')
svc = str(command['service'])
if svc in HUDSUCKER_SERVICES:
sd.app = 'hudsucker'
sd.name = svc
else:
sd.app = svc
sd.name = str(params['widget'])
sd.format = 'gadgetmini'
if params.has_key('format'):
sd.format = str(params.get('format'))
if not params.has_key('request_path'):
raise Exception('Remote Content Services Require a Request Path')
else:
sd.url_pattern = str(params['request_path'])
if 'expiry_minutes' in params:
sd.cache_time = float(params['expiry_minutes']) * 60
else:
sd.cache_time = 0
sd.data = params
elif str(command['version']) == '1.1':
# new versionable request's
if not command.has_key('app'):
raise Exception('Requires an App to be specified: {"app": "hudsucker","version":"1.1",....')
sd.app = str(command['app'])
if not command.has_key('service'):
raise Exception('Requires a Service to be specified: {"app": "hudsucker", "service":"myservice","version":"1.1",....')
sd.name = str(command['service'])
if command.has_key('url_pattern'):
#print('setting sd.url_pattern = %s' % (command['url_pattern']))
sd.url_pattern = str(command['url_pattern'])
if 'expiry_minutes' in command:
sd.cache_time = float(command['expiry_minutes']) * 60
else:
sd.cache_time = 0
sd.format = 'gadgetmini'
if params.has_key('format'):
sd.format = str(params.get('format'))
if command.has_key('base_url'):
sd.base_url = str(command['base_url'])
if command.has_key('base_url') and command.has_key('url_pattern'):
sd.isdefined = True
sd.data = params
else:
raise Exception('Unknown Request Format')
return sd
cursor = db.cursor()
cursor.arraysize = 50
sql = """
select s.url base_url, u.pattern url_pattern
from service_provider s, widget w, widget_url_pattern u
where s.name = :app_name and w.name = :service_name
"""
cursor.execute(sql, app_name=service.app, service_name=service.name)
rows = cursor.fetchall()
if rows:
service.base_url = rows[0][0]
print("found SDW.row base_url = %s" % (service.base_url))
else:
print("WARNING: No rows for app '%s' and service '%s'." % (service.app, service.name))
except Exception, detail:
print("WARNING: Can't load base URL and URL patterns from database: %s." % detail)
finally:
if db:
self.db.release(db)
service_def = ServiceDefinition(service.name, app=service.app)
service_def.base_url = service.base_url
service_def.url_patterns = service.url_patterns
ContentProxyFactory.cache_set(service_def_key, service_def)
else:
# now transfer service_def -> service
service.base_url = service_def.base_url
service.url_patterns = service_def.url_patterns
return service
