Hi Martin,

I put together a brief guide at [1]. Please note, there are few details
missing, however the basic details about the Python cartridge agent are
included.


Hi Mary,

Please find the guide at [1]. I'm still in the process of adding further
details, but this can be used as a starting point.

[1] -
https://github.com/chamilad/chamilad.github.io/blob/source/source/_posts/2014-12-10-configuring-apache-stratos-python-cartridge-agent.markdown





Regards,
Chamila de Alwis
Software Engineer | WSO2 | +94772207163
Blog: code.chamiladealwis.com



On Wed, Dec 10, 2014 at 2:07 PM, Reka Thirunavukkarasu <[email protected]>
wrote:

> Hi Martin,
>
> We haven't documented the python agent yet. Added Chamila who worked on
> python agent.
>
> @Chamila, Do you have the steps to configure python agent puppet module?
>
> Thanks,
> Reka
>
> On Wed, Dec 10, 2014 at 11:43 AM, Martin Eppel (meppel) <[email protected]>
> wrote:
>
>>  Please see inline
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Tuesday, December 09, 2014 9:07 PM
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> From 4.1.0 onwards, we recommend to use python agent as discussed in
>> stratos-dev [1]. We have added the puppet modules for it as well. If you
>> pull our latest puppet module, it has puppet agent stuffs and it is already
>> configured to use python agent.
>>
>>
>>
>> Martin: I am not familiar with the follwoing – are there instructions for
>> it ?
>>
>> So, by just updating the mb and cep URL in the base.pp, you will be able
>> to test it with python agent. Please use secured port for cep configuration.
>>
>>
>>
>> [1]. Are we still supporting java agent?
>>
>>
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>>
>>
>> On Wed, Dec 10, 2014 at 6:51 AM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Hi Reka,
>>
>>
>>
>> I was able to almost get the single_app with my  configurationto work,
>> the issue I am running into is that the cartridge agent doesn’t seem to
>> work properly.
>>
>>
>>
>> My first question would be if the java cartridge agent is still expected
>> to work or if we are expected to use the python agent ?
>>
>>
>>
>> So far I am still using the java based cartridge agent and it seems that
>> it is getting stuck after starting the “Instance notifier event message
>> delegator”, at least I don’t see any logs after that.
>>
>>
>>
>> For some reason the agent is not able to read the log4j.properties file
>> so I had to change the debug messages to info messages (see cartridge log –
>> “agent log”). My expectation would have been that I should see the added
>> log messages after the “Instance notifier event message delegator” as well
>> (see the code snippet of the run method below: Code snipplet:
>>
>> )
>>
>>
>>
>> Any clue as of why the agent gets stuck in the “Instance notifier event
>> message delegator” or what else might be missing ?
>>
>>
>>
>> Thanks
>>
>>
>>
>> Martin
>>
>>
>>
>> Cartridge agent log:
>>
>>
>>
>> [2014-12-10 01:03:19,414162455] %%stratos-wrapper.sh-Info: System
>> variables: knock-address localhost, instance-uuid
>> c8a0a418-e5b1-439c-847a-6590b4063702, launch-params
>> /var/lib/qtcm/cartridge-agent/launch-params, app_path
>> /var/lib/qtcm/cartridge-agent/cartridge-app-data
>>
>> [2014-12-10 01:03:19,420470208] %%stratos-wrapper.sh-Info: Entries in
>> launch-params: APP_ID=test_app_1 GROUP_NAME=null
>> SERVICE_NAME=cisco-sample-vm HOST_NAME=
>> csco_sample_cartridge.qmog.cisco.com MULTITENANT=false TENANT_ID=-1234
>> TENANT_RANGE=* CARTRIDGE_ALIAS=csco_sample_cartridge
>> CLUSTER_ID=csco_sample_cartridge.cisco-sample-vm.domain
>> CARTRIDGE_KEY=qgv3Zpqz1Z5SvGWN REPO_URL=null PORTS=22 PROVIDER=cisco
>> PUPPET_IP=PUPPET_IP PUPPET_HOSTNAME=PUPPET_HOSTNAME
>> PUPPET_DNS_AVAILABLE=null PUPPET_ENV=null TRUSTSTORE_PASSWORD=wso2carbon
>> SIMPLE_PROPERTY=value QTCM_DNS_SEGMENT= CEP_PORT=7611
>> MONITORING_SERVER_SECURE_PORT=0 MB_PORT=61616 MB_IP=octl.qmog.cisco.com
>> QTCM_NETWORK_COUNT=1 CEP_IP=octl.qmog.cisco.com DEPLOYMENT=default
>> ENABLE_DATA_PUBLISHER=false MONITORING_SERVER_IP=octl.qmog.cisco.com
>> MONITORING_SERVER_ADMIN_PASSWORD=xxxx MONITORING_SERVER_ADMIN_USERNAME=xxxx
>> CERT_TRUSTSTORE=/opt/apache-stratos-cartridge-agent/security/client-truststore.jks
>> MONITORING_SERVER_PORT=0
>> MEMBER_ID=csco_sample_cartridge.cisco-sample-vm.domain2aa03742-7efc-42b8-95a6-f7a7545fa509
>> LB_CLUSTER_ID=null NETWORK_PARTITION_ID=N1 PARTITION_ID=RegionOne-Core
>> INSTANCE_ID=test_app_1_1 PRIMARY=false MIN_COUNT=1
>>
>> /opt/apache-stratos-cartridge-agent-4.1.0-SNAPSHOT/conf /opt
>>
>> /opt
>>
>> [2014-12-10 01:03:19,448502771] %%stratos-wrapper.sh-Info: Starting
>> cartridge agent
>>
>> [2014-12-10 01:03:19,472527876] %%stratos-wrapper.sh-Info: No stale
>> cartridge agents found
>>
>> log4j:ERROR Could not read configuration file
>> [file:///opt/apache-stratos-cartridge-agent-4.1.0-SNAPSHOT/conf/log4j.properties].
>>
>> java.io.FileNotFoundException:
>> file:/opt/apache-stratos-cartridge-agent-4.1.0-SNAPSHOT/conf/log4j.properties
>> (No such file or directory)
>>
>>         at java.io.FileInputStream.open(Native Method)
>>
>>         at java.io.FileInputStream.<init>(FileInputStream.java:146)
>>
>>         at java.io.FileInputStream.<init>(FileInputStream.java:101)
>>
>>         at
>> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:306)
>>
>>         at
>> org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:324)
>>
>>         at org.apache.stratos.cartridge.agent.Main.main(Main.java:59)
>>
>> log4j:ERROR Ignoring configuration file
>> [file:///opt/apache-stratos-cartridge-agent-4.1.0-SNAPSHOT/conf/log4j.properties].
>>
>> [2014-12-10 01:03:20,329]  INFO - [CartridgeAgentConfiguration]
>> COMMIT_ENABLED is not found and setting it to false
>>
>> [2014-12-10 01:03:20,331]  INFO - [CartridgeAgentConfiguration] Cartridge
>> agent configuration initialized
>>
>> [2014-12-10 01:03:20,609]  INFO - [CartridgeAgent] Martin Cartridge agent
>> started 0
>>
>> [2014-12-10 01:03:20,624]  INFO - [CartridgeAgent] Starting instance
>> notifier event message receiver thread
>>
>> [2014-12-10 01:03:20,705]  INFO - [InstanceNotifierEventMessageDelegator]
>> Instance notifier event message delegator started
>>
>> age receiver thread
>>
>> 2014-12-10 01:03:20,705 [-] [Thread-4]  INFO
>> InstanceNotifierEventMessageDelegator Instance notifier event message
>> delegator started
>>
>>
>>
>>
>>
>> Code snipplet:
>>
>> …
>>
>> *public void run() {*
>>
>> *        if (log.isInfoEnabled()) {*
>>
>> *            log.info <http://log.info>("Martin Cartridge agent started
>> 0");*
>>
>> *        }*
>>
>>
>>
>> *        validateRequiredSystemProperties();*
>>
>>
>>
>> *        // Start instance notifier listener thread*
>>
>> *        portsActivated = false;*
>>
>> *        subscribeToTopicsAndRegisterListeners();*
>>
>>
>>
>> *        if (log.isInfoEnabled()) {*
>>
>> *            log.info <http://log.info>("Martin Cartridge agent started
>> 2");*
>>
>> *        }*
>>
>>
>>
>> *        // Start topology event receiver thread*
>>
>> *        registerTopologyEventListeners();*
>>
>>
>>
>> *        if (log.isInfoEnabled()) {*
>>
>> *            log.info <http://log.info>("Martin Cartridge agent started
>> 3");*
>>
>> *        }*
>>
>>
>>
>> *        // Start tenant event receiver thread*
>>
>> *        registerTenantEventListeners();*
>>
>>
>>
>> *        if (log.isInfoEnabled()) {*
>>
>> *            log.info <http://log.info>("Martin Cartridge agent started
>> 4");*
>>
>> *        }*
>>
>>
>>
>> *                                        // wait till the member spawned
>> event*
>>
>> *                                        while
>> (!CartridgeAgentConfiguration.getInstance().isInitialized()) {*
>>
>> *                                                            try {*
>>
>> *
>> if (log.isInfoEnabled()) {*
>>
>> *
>> log.info <http://log.info>("Martin Waiting for Cartridge Agent to be
>> initialized...");*
>>
>> *
>> }*
>>
>> *
>> Thread.sleep(1000);*
>>
>> *                                                            } catch
>> (InterruptedException ignore) {*
>>
>> *                                                            }*
>>
>> *                                        }*
>>
>>
>>
>>         …
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Tuesday, December 09, 2014 10:02 AM
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> Yah. It is like that..We refer the child policy of group/cluster using
>> the alias of corresponding group/cluster in application.
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>> On Tue, Dec 9, 2014 at 11:27 PM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Ok,
>>
>>
>>
>> Quick question on the deployment policy:
>>
>> Does a deployment policy *childId* have to match an alias of a cartridge
>> / group in the application definition – it seems that way looking at your
>> samples ?
>>
>>
>>
>> Thanks
>>
>>
>>
>> Martin
>>
>>
>>
>> "childPolicies": [
>>
>>         {
>>
>>             "childId": "mytomcat",
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Tuesday, December 09, 2014 8:29 AM
>>
>>
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> Can you pull master and start the initial testing? We were working on
>> 4.1.0-test throughout the day today for several other testing. So i'm not
>> sure how far it is stable now. We thought of merging 4.1.0-test to master
>> by tomorrow after make sure that the flow is working fine.
>>
>>
>>
>> You can test the following in master
>>
>> ----------------------------------------------
>>
>>
>>
>> - Application deployment with single group and cartridges with deployment
>> policy at group level or in cartridge level
>>
>> - Faulty member for independent cluster
>>
>> - Restoring the same application when stratos restarts
>>
>>
>>
>> In addition to this 4.1.0-test supports below:
>>
>> ---------------------------------------------------------
>>
>>
>>
>> - Nested group deployment with policies at any level (group/cluster)
>>
>> Please note that when you define a policy for a group, all of its
>> children will use the same policy.
>>
>>
>>
>>
>>
>> We are currently testing on undeployment to wipe the run time when
>> undeploy application, termination behaviour and scaling to get the flow
>> fixed for all of these features. So, these features will not be stable
>> until we fix the flow by verifying the scenarios.
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>> On Tue, Dec 9, 2014 at 9:21 PM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Reka,
>>
>>
>>
>> Should I pull the master or temporary branch (*4.1.0-test) ?*
>>
>>
>>
>> *Thanks*
>>
>>
>>
>> *Martin*
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Monday, December 08, 2014 11:19 PM
>>
>>
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> I saw a log saying the unable to retrieve registry data. Can you try with
>> a fresh DB as well? Since we have pojo changes, with old data in the DB, it
>> might have issues.
>>
>>
>>
>> And also, i'm unable to find the log line which says application
>> definition is deployed successfully as like [1]. Since deployed application
>> is not there only, deploying deployment Policy throws NPE..
>>
>>
>>
>> I have improved the validateDeploymentPolicy to handle the application
>> retrieval properly and throw exception when needed.
>>
>>
>>
>> [1] Sample log when deploying application definition
>>
>>
>>
>>
>>
>> [2014-12-09 12:42:05,073]  INFO
>> {org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser}
>> -  Application with id myapp126567 parsed successfully
>>
>> [2014-12-09 12:42:05,082]  INFO
>> {org.apache.stratos.messaging.domain.topology.locking.TopologyLockHierarchy}
>> -  Added lock for Cluster group6tom.tomcat2.domain
>>
>> [2014-12-09 12:42:05,085]  INFO
>> {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} -
>> Application Cluster group6tom.tomcat2.domain created in CC topology
>>
>> [2014-12-09 12:42:05,086]  INFO
>> {org.apache.stratos.messaging.domain.topology.locking.TopologyLockHierarchy}
>> -  Added lock for Cluster group7tom.tomcat1.domain
>>
>> [2014-12-09 12:42:05,086]  INFO
>> {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} -
>> Application Cluster group7tom.tomcat1.domain created in CC topology
>>
>> [2014-12-09 12:42:05,086]  INFO
>> {org.apache.stratos.messaging.domain.topology.locking.TopologyLockHierarchy}
>> -  Added lock for Cluster mytomcat.tomcat.domain
>>
>> [2014-12-09 12:42:05,086]  INFO
>> {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} -
>> Application Cluster mytomcat.tomcat.domain created in CC topology
>>
>> [2014-12-09 12:42:05,093]  INFO
>> {org.apache.stratos.cloud.controller.messaging.topology.TopologyEventPublisher}
>> -  Publishing Application Clusters Created event for Application:
>> myapp126567
>>
>> [2014-12-09 12:42:05,246]  INFO
>> {org.apache.stratos.messaging.message.processor.topology.ApplicationClustersCreatedMessageProcessor}
>> -  Cluster created:  [ Cluster Id: group6tom.tomcat2.domain, Service Name:
>> tomcat2, Autoscale Policy Name: autoscale_policy_1, Deployment Policy Name:
>> null, Tenant Range: *, Is a Kubernetes Cluster: false ]
>>
>> [2014-12-09 12:42:05,246]  INFO
>> {org.apache.stratos.messaging.message.processor.topology.ApplicationClustersCreatedMessageProcessor}
>> -  Cluster created:  [ Cluster Id: group7tom.tomcat1.domain, Service Name:
>> tomcat1, Autoscale Policy Name: autoscale_policy_1, Deployment Policy Name:
>> null, Tenant Range: *, Is a Kubernetes Cluster: false ]
>>
>> [2014-12-09 12:42:05,246]  INFO
>> {org.apache.stratos.messaging.message.processor.topology.ApplicationClustersCreatedMessageProcessor}
>> -  Cluster created:  [ Cluster Id: mytomcat.tomcat.domain, Service Name:
>> tomcat, Autoscale Policy Name: autoscale_policy_1, Deployment Policy Name:
>> null, Tenant Range: *, Is a Kubernetes Cluster: false ]
>>
>> [2014-12-09 12:42:05,247]  INFO
>> {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver}
>> -  [ApplicationClustersCreatedEvent] Received: class
>> org.apache.stratos.messaging.event.topology.ApplicationClustersCreatedEvent
>>
>> [2014-12-09 12:42:05,250]  INFO
>> {org.apache.stratos.messaging.domain.applications.locking.ApplicationLockH
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>> On Tue, Dec 9, 2014 at 11:57 AM, Reka Thirunavukkarasu <[email protected]>
>> wrote:
>>
>> Thanks Martin for the logs..I will go through it and update the thread..
>>
>>
>>
>> On Tue, Dec 9, 2014 at 11:52 AM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Yeah I did,
>>
>>
>>
>> I deployed in the following sequence:
>>
>>
>>
>> 1.      Autoscale policy
>>
>> 2.      Cartridge
>>
>> 3.      Application
>>
>> 4.      Deployment policy
>>
>>
>>
>>
>>
>> I attached the deployment policy and application (note that the
>> application has no group defined), should just spin up a single cartridge
>>
>>
>>
>> Attached is log, see line ~ 1096 for exception …
>>
>>
>>
>> Thanks
>>
>>
>>
>> Martin
>>
>>
>>
>>
>>
>> *From:* Udara Liyanage [mailto:[email protected]]
>> *Sent:* Monday, December 08, 2014 9:21 PM
>>
>>
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> Have you deployed the application which is mentioned in deployed policy.
>> The reason for NPE is application is is null, that is why I asked whether
>> you have deployed the application before this.
>>
>> Group group = application.getGroupRecursively(alias);
>>
>>
>>
>> On Tue, Dec 9, 2014 at 9:52 AM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Hi Reka,
>>
>>
>>
>> I tested both sequences, and I see exceptions in either one. When I
>> deploy the application policy before the deployment policy (as you
>> suggested) I get the following exception:
>>
>>
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,069] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> acquired {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,069] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> released {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,070] ERROR
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver} -  Exception occurred
>> while trying to invoke service method addDeploymentPolicy
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver}
>>
>> java.lang.reflect.InvocationTargetException
>>
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>
>> …….
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>
>>         at java.lang.Thread.run(Thread.java:745)
>>
>> Caused by: java.lang.NullPointerException
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.validateDeploymentPolicy(AutoScalerServiceImpl.java:155)
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.addDeploymentPolicy(AutoScalerServiceImpl.java:107)
>>
>>         ... 45 more
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Monday, December 08, 2014 6:59 PM
>>
>>
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>>
>>
>> The artefacts order is as below. In the sample script too having it in
>> the same order. Let me explain the order.
>>
>>
>>
>> - Deploy autoscale policy
>>
>> - Deploy cartridges
>>
>> - Deploy group definition
>>
>> - Deploy application definition
>>
>> - Deploy deployment policy
>>
>>
>>
>> When you deploy the deployment policy, it will validate the deployment
>> policy against deployed application and then it will create the monitor
>> hierarchy..
>>
>>
>>
>> Please let me know, if you need further infor on this..
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>> On Tue, Dec 9, 2014 at 6:43 AM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> mmmh, seems we have a circular dependency here:
>>
>>
>>
>> ·        When I deploy the deployment policy before the application I
>> get the  exception 1.)
>> (I checked the code, it seems it tries to validate the application
>>
>> ·        When I deploy the application before the deployment policy I
>> get exception 2.)
>>
>>
>>
>> What’s the proper sequence to deploy these artefacts ?
>>
>>
>>
>> Thanks
>>
>>
>>
>> Martin
>>
>>
>>
>> Exception 1.
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,069] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> acquired {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,069] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> released {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-09 01:08:10,070] ERROR
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver} -  Exception occurred
>> while trying to invoke service method addDeploymentPolicy
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver}
>>
>> java.lang.reflect.InvocationTargetException
>>
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>
>> …….
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>
>>         at java.lang.Thread.run(Thread.java:745)
>>
>> Caused by: java.lang.NullPointerException
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.validateDeploymentPolicy(AutoScalerServiceImpl.java:155)
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.addDeploymentPolicy(AutoScalerServiceImpl.java:107)
>>
>>         ... 45 more
>>
>>
>>
>>
>>
>> Exception 2.
>>
>> TID: [0] [STRATOS] [2014-12-09 00:55:46,060] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Write
>> lock released {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-09 00:55:46,060] ERROR
>> {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver}
>> -  Error processing event null
>> {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver}
>>
>> java.lang.NullPointerException
>>
>>         at
>> org.apache.stratos.autoscaler.pojo.policy.PolicyManager.getDeploymentPolicyByApplication(PolicyManager.java:286)
>>
>>         at
>> org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver$2.onEvent(AutoscalerTopologyEventReceiver.java:140)
>>
>>         at
>> org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42)
>>
>>         at java.util.Observable.notifyObservers(Observable.java:159)
>>
>> …..
>>
>>
>>
>>
>>
>>
>>
>> *From:* Martin Eppel (meppel)
>> *Sent:* Monday, December 08, 2014 2:30 PM
>>
>>
>> *To:* [email protected]
>> *Subject:* RE: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>>
>>
>> I am running into some issues trying to deploy a deployment policy. I am
>> using today’s code from the master and tried to deploy the sample
>> deployment policy provided. I am getting the exception below (at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.validateDeploymentPolicy(AutoScalerServiceImpl.java:155).
>> To test should I be using the source from the master or from the temporary
>> branch (*4.1.0-test) ?*
>>
>>
>>
>> *Thanks*
>>
>>
>>
>> *Martin*
>>
>>
>>
>>
>>
>>
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:01,064] DEBUG
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector} -
>> MQTT client created: [client-id] 1a25819e678f48c1a77b7cc
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:01,076] DEBUG
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector} -
>> Disconnecting from message broker
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:01,078] DEBUG
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector} -
>> Closing connection to message broker
>> {org.apache.stratos.messaging.broker.connect.mqtt.MqttTopicConnector}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,228] DEBUG
>> {org.apache.stratos.autoscaler.pojo.policy.PolicyManager} -  Adding
>> deployment policy: test_app_os4-4999928381922304639
>> {org.apache.stratos.autoscaler.pojo.policy.PolicyManager}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,241] DEBUG
>> {org.apache.stratos.autoscaler.registry.RegistryManager} -  Deployment
>> Policy [id]test_app_os4-4999928381922304639 Description null isPublic false
>> [partitions] [Partition [id=P1, description=null, isPublic=false,
>> provider=openstack, properties=Properties [properties=[Property
>> [name=region, value=RegionOne]]]]]
>> {org.apache.stratos.autoscaler.registry.RegistryManager}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,242]  INFO
>> {org.apache.stratos.autoscaler.pojo.policy.PolicyManager} -  Deployment
>> policy is deployed successfully: [id] test_app_os4-4999928381922304639
>> {org.apache.stratos.autoscaler.pojo.policy.PolicyManager}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,242] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> acquired {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,242] DEBUG
>> {org.apache.stratos.autoscaler.applications.ApplicationHolder} -  Read lock
>> released {org.apache.stratos.autoscaler.applications.ApplicationHolder}
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,242] ERROR
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver} -  Exception occurred
>> while trying to invoke service method addDeploymentPolicy
>> {org.apache.axis2.rpc.receivers.RPCMessageReceiver}
>>
>> java.lang.reflect.InvocationTargetException
>>
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>
>>         at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>
>>         at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>
>>         at java.lang.reflect.Method.invoke(Method.java:606)
>>
>>         at
>> org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212)
>>
>>         at
>> org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117)
>>
>>         at
>> org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
>>
>>         at
>> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
>>
>>         at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
>>
>>         at
>> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
>>
>>         at
>> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)
>>
>>         at
>> org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:231)
>>
>>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
>>
>>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
>>
>>         at
>> org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
>>
>>         at
>> org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128)
>>
>>         at
>> org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)
>>
>>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68)
>>
>>         at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>>
>>         at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61)
>>
>>         at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>
>>         at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>
>>         at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>>
>>         at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>>
>>         at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>>
>>         at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>>
>>         at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
>>
>>         at
>> org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)
>>
>>         at
>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>>
>>         at
>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
>>
>>        at
>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)
>>
>>         at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>
>>         at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>>
>>         at
>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
>>
>>         at
>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>>
>>         at
>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>
>>         at java.lang.Thread.run(Thread.java:745)
>>
>> Caused by: java.lang.NullPointerException
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.validateDeploymentPolicy(AutoScalerServiceImpl.java:155)
>>
>>         at
>> org.apache.stratos.autoscaler.api.AutoScalerServiceImpl.addDeploymentPolicy(AutoScalerServiceImpl.java:107)
>>
>>         ... 45 more
>>
>> TID: [0] [STRATOS] [2014-12-08 22:23:20,324] ERROR
>> {org.apache.stratos.rest.endpoint.api.StratosApiV41Utils} -  Exception
>> occurred while trying to invoke service method addDeploymentPolicy
>> {org.apache.stratos.rest.endpoint.api.StratosApiV41Utils}
>>
>>
>>
>> *From:* Martin Eppel (meppel)
>> *Sent:* Monday, December 08, 2014 12:56 PM
>> *To:* [email protected]
>> *Subject:* RE: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Thanks,
>>
>>
>>
>> This should help me getting started on the new format
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected] <[email protected]>]
>> *Sent:* Monday, December 08, 2014 12:06 PM
>> *To:* dev
>> *Subject:* Re: [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi Martin,
>>
>>
>>
>> Really sorry for not providing the correct steps to test on this..I have
>> attached here with single app deployment sample and an app with a group.
>> Please execute the script inside those sample folder..It will deploy the
>> necessary artifacts.
>>
>>
>>
>> We are in the process of testing nested group and planned to test
>> scaling. Once we composted the artefacts for those, will share that also
>> with you..
>>
>>
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>> On Tue, Dec 9, 2014 at 1:03 AM, Martin Eppel (meppel) <[email protected]>
>> wrote:
>>
>> Hi Reka,
>>
>>
>>
>> The format to define application, service groups and deployment policies
>> has changed, so I am not entirely sure what it is supposed to look like. To
>> do meaningful testing I need either the new format(s) documented or a set
>> of examples which will help me build applicable (and more complex) test
>> scenarios.
>>
>>
>>
>> Useful examples would be:
>>
>>
>>
>> Application with single VM spin up
>>
>> Application with group
>>
>> Application with nested groups (at least up to 2 levels)
>>
>>
>>
>> Application with group scaling (without nested groups)
>>
>> Application with group scaling (with nested groups)
>>
>>
>>
>> Thanks
>>
>>
>>
>> Martin
>>
>>
>>
>> *From:* Reka Thirunavukkarasu [mailto:[email protected]]
>> *Sent:* Monday, December 08, 2014 6:01 AM
>> *To:* dev
>> *Subject:* [Testing] Stratos 4.1.0 Alpha
>>
>>
>>
>> Hi All,
>>
>>
>>
>> Since we have completed most of the implementation for 4.1.0 alpha from
>> the following items, we are currently focusing on testing the scenarios. We
>> had been working hard last week to get the master stable back with the
>> workable state. So, it would be better to keep the master in a stable
>> manner and continue bug fixing in a temporary branch. We can use master at
>> any time for the testing with working items. We can merge the changes daily
>> to master at once.
>>
>>
>>
>> Hence please don't commit to master from now onwards, instead commit it
>> to the temporary branch that has been created for this purpose as
>> *4.1.0-test*(remotes/origin/4.1.0-test)*.*
>>
>>
>>
>> - Group scaling
>>
>> - Dependent scaling
>>
>> - OAuth support for REST API and Metadata service
>>
>> - UI - Monitoring live application status
>>
>> - UI - Interactive application creation tool
>>
>> - Clustering features for Stratos core products
>>
>> - Create proxy services for each port mapping (transport) in the cartridge
>>
>> - Update installer according to new functionality
>>
>> - Test automation framework
>>
>> - Docker with service grouping
>>
>>
>>
>> Please update the tasks completion with testing also to this thread.
>>
>>
>>
>> Thanks,
>>
>> Reka
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>>
>> Udara Liyanage
>>
>> Software Engineer
>>
>> WSO2, Inc.: http://wso2.com
>>
>> lean. enterprise. middleware
>>
>> web: http://udaraliyanage.wordpress.com
>>
>> phone: +94 71 443 6897
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Reka Thirunavukkarasu
>> Senior Software Engineer,
>> WSO2, Inc.:http://wso2.com,
>>
>> Mobile: +94776442007
>>
>>
>>
>
>
>
> --
> Reka Thirunavukkarasu
> Senior Software Engineer,
> WSO2, Inc.:http://wso2.com,
> Mobile: +94776442007
>
>
>

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