def __get_my_container_info(self):
metadata_manager = MetadataAPI()
current_container = {}
current_container["name"] = metadata_manager.get_container_name()
current_container["ip"] = metadata_manager.get_container_ip()
current_container["id"] = metadata_manager.get_container_create_index()
return current_container
def __get_my_container_info(self):
metadata_manager = MetadataAPI()
current_container = {}
current_container["name"] = metadata_manager.get_container_name()
current_container["ip"] = metadata_manager.get_container_ip()
current_container["id"] = metadata_manager.get_container_create_index()
return current_container
def __get_other_container_in_service(self, my_name):
metadata_manager = MetadataAPI()
list_containers = {}
metadata_manager.wait_service_containers()
list_containers_name = metadata_manager.get_service_containers()
for container_name in list_containers_name:
if container_name != my_name:
list_containers[container_name] = {}
list_containers[container_name]['id'] = metadata_manager.get_container_create_index(container_name)
list_containers[container_name]['name'] = container_name
list_containers[container_name]['ip'] = metadata_manager.get_container_ip(container_name)
return list_containers
def __get_other_container_in_service(self, my_name):
metadata_manager = MetadataAPI()
list_containers = {}
metadata_manager.wait_service_containers()
list_containers_name = metadata_manager.get_service_containers()
for container_name in list_containers_name:
if container_name != my_name:
list_containers[container_name] = {}
list_containers[container_name][
'id'] = metadata_manager.get_container_create_index(
container_name)
list_containers[container_name]['name'] = container_name
list_containers[container_name][
'ip'] = metadata_manager.get_container_ip(container_name)
return list_containers
def __set_tomcat_cluster(self):
global TOMCAT_PATH
metadata_manager = MetadataAPI()
# I check there are more than 1 container
number_node = metadata_manager.get_service_scale_size()
if number_node < 2 :
print("No cluster setting needed")
return True
print("We will setting Tomcat cluster with " + str(number_node) + " instances")
# I get my container info
my_name = metadata_manager.get_container_name()
my_ip = metadata_manager.get_container_ip()
my_id = metadata_manager.get_container_create_index()
# I get the other container info
list_containers = {}
list_containers_name = metadata_manager.get_service_containers()
first_container = True
for container_name in list_containers_name:
if container_name != my_name:
list_containers[container_name] = {}
list_containers[container_name]['id'] = metadata_manager.get_container_create_index(container_name)
list_containers[container_name]['name'] = container_name
list_containers[container_name]['ip'] = metadata_manager.get_container_ip(container_name)
if list_containers[container_name]['ip'] is None or list_containers[container_name]['ip'] == '':
print("The container " + container_name + " have not yet the IP. We stay it")
return False
if list_containers[container_name]['id'] < my_id:
first_container = False
# If I am not the first container, I wait some times that the first start
#if first_container is False:
# print("I wait 300s that the first container run before start (issue about cluster)")
# time.sleep(300)
# We set the engine name
#self.replace_all(TOMCAT_PATH + '/conf/server.xml', re.escape('<Engine name="Catalina" defaultHost="localhost">'), '<Engine name="Catalina" defaultHost="localhost" jvmRoute="' + my_name + '">')
# We set the cluster
cluster_setting = '''
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster" channelSendOptions="6" channelStartOptions="3">
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver" autoBind="9" selectorTimeout="5000" maxThreads="6" address="''' + my_ip + '''" port="4444" />
<Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender" />
</Sender>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpPingInterceptor"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.StaticMembershipInterceptor">'''
for container in list_containers.itervalues():
cluster_setting += '<Member className="org.apache.catalina.tribes.membership.StaticMember" securePort="-1" domain="cluster" host="' + container['ip'] + '" port="4444" uniqueId="{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,' + str(container['id']) + '}"/>'
cluster_setting += '''
</Interceptor>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve" />
<Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
<ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
</Cluster>
'''
self.replace_all(TOMCAT_PATH + '/conf/server.xml', re.escape('</Host>'), cluster_setting + "\n" + '</Host>')
self.replace_all(TOMCAT_PATH + '/conf/context.xml', re.escape('</Context>'), '<Manager className="org.apache.catalina.ha.session.DeltaManager" expireSessionsOnShutdown="false" notifyListenersOnReplication="true" /></Context>')
return True
