Commit fde6fb08 authored by Roque's avatar Roque

scalability: destroy frontend instance only if software changes

parent c4654f81
......@@ -44,6 +44,7 @@ import httplib
import Utils
import requests
import slapos.slap
import cPickle as pickle
from ProcessManager import SubprocessError, ProcessManager, CancellationError
from subprocess import CalledProcessError
from Updater import Updater
......@@ -90,6 +91,7 @@ HTPASSWD = "/.htpasswd"
PASSWORD_FILE = "/sr_pass"
PASSWORD_LENGTH = 10
HOSTFILE = "/hosts"
SR_DICT = "frontend_software_dict"
class ScalabilityTestRunner():
def __init__(self, testnode):
......@@ -367,15 +369,43 @@ Require valid-user
software_file.write(line)
software_file.close()
def newFrontendMasterSoftware(self, frontend_master_reference, frontend_software):
def getSoftwareDictionary(software_dict_file):
software_dict = {}
if os.path.isfile(software_dict_file):
with open(software_dict_file, 'r') as file:
software_dict = pickle.loads(file.read())
return software_dict
def updateSoftwareDictionary(software_dict_file, software_dict, frontend_master_reference, frontend_software):
software_dict[frontend_master_reference] = frontend_software
with open(software_dict_file, 'w') as file:
file.write(pickle.dumps(software_dict))
frontend_master_reference = frontend_master_reference.replace(";",",")
slappart_directory = self.testnode.config['srv_directory'].rsplit("srv", 1)[0]
software_dict_file = slappart_directory + "var/" + SR_DICT
software_dict = getSoftwareDictionary(software_dict_file)
if frontend_master_reference in software_dict:
if software_dict[frontend_master_reference] != frontend_software:
updateSoftwareDictionary(software_dict_file, software_dict, frontend_master_reference, frontend_software)
return True
else:
updateSoftwareDictionary(software_dict_file, software_dict, frontend_master_reference, frontend_software)
return True
return False
def prepareFrontendMasterInstance(self, computer, frontend_software, test_suite_title):
self.frontend_master_reference = "Scalability-Frontend-Master-"
self.frontend_master_reference += "("+test_suite_title+")-"
self.frontend_master_reference += str(computer).replace("'","")
self.frontend_master_reference += "-root"
restart = True
slap, supply, order = self._initializeSlapOSConnection()
slapos_communicator = SlapOSMasterCommunicator.SlapOSTester(
self.frontend_master_reference, slap, order, supply,
frontend_software, computer_guid=computer)
# Destroy old frontend instance if frontend software has changed for this testsuite
if self.newFrontendMasterSoftware(self.frontend_master_reference, frontend_software):
restart = False
slapos_communicator.requestInstanceDestroy(self.frontend_master_reference)
# Ask for software installation
start_time = time.time()
slapos_communicator.supply(frontend_software, computer)
......@@ -393,11 +423,16 @@ Require valid-user
logger.info("Master Frontend instance started.")
frontend_master_dict = slapos_communicator.getMasterFrontendDict()
if not frontend_master_dict['frontend_master_ipv6']:
raise ValueError("ERROR with master frontend: ipv6 url not found")
raise ValueError("ERROR in master frontend: ipv6 url not found")
if not frontend_master_dict['instance_guid']:
raise ValueError("ERROR in master frontend: instance guid not found")
parsed_url = urlparse.urlparse(frontend_master_dict['frontend_master_ipv6'])
self.frontend_master_ipv6 = parsed_url.hostname
if restart:
slapos_communicator.requestInstanceStop(self.frontend_master_reference, master_request_kw)
slapos_communicator.waitInstanceStopped(self.frontend_master_reference)
slapos_communicator.requestInstanceStart(self.frontend_master_reference, master_request_kw)
slapos_communicator.waitInstanceStarted(self.frontend_master_reference)
return frontend_master_dict['instance_guid']
def prepareSlapOSForTestSuite(self, node_test_suite):
......
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