This commit produces event bus messages to a "cloudstack" topic
in Apache Kafka. Configuration is expected to be found in
/etc/cloudstack/management/kafka.producer.properties and will
generally be of the form:
bootstrap.servers=kafka-host1:9092,kafka-host2:9092
key.serializer=org.apache.kafka.common.serialization.StringSerializer
value.serializer=org.apache.kafka.common.serialization.StringSerializer
There is no way to parameterize the topic yet, and the consuming
code is just place-holder. I think adding a consumer within cloudstack
is very debatable and likely not needed.
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Changes;
- Upgrades maven-war plugin to 4.5 (faster war packaging)
- Upgrade spring framework to latest minor release
- Upgrade ehcache, jasypt, httpclient, httpcore and other core dependencies
- Upgrade to latest ipv6 library, fix unit test NetUtilsTest
- httpcore and httpclient are sharing same version variable
- commons-httpclient is different that httpclient, the fix gives it a separate var
- Apidocs failed to generate and get stuck with new reflections version, for now
we will continue using 0.9.8
Newer dependencies can be listed using:
mvn versions:display-dependency-updates -Dnoredist -Dsimulator -P developer,systemvm
Testing;
- Tested using Maven 3.2.1
- Local noredist build with unit tests succeeds
- CloudStack mgmt server started, basic business layer tests work
- Observed 10-15% build time improvement using new maven-war plugin
Branch: bugfix/4.5-8011 (commits are squashed in favour of a linear history)
Pull request:
https://github.com/apache/cloudstack/pull/50
This closes#50
TravisCI build summary:
https://travis-ci.org/shapeblue/cloudstack/builds/42902172
- Build passes with unit tests
- Apidocs generates successfully
- Most integration tests pass, some fail due to timeout errors, second re-run
passes some of them
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
this checkin adds support for plug-in that provides an in memory event
bus which could be used as alternative to RabbitMQ based event bus. Both
publisher are subscriber should be running with management server to use
in-memroy event bus.
The managed context framework provides a simple way to add logic
to ACS at the various entry points of the system. As threads are
launched and ran listeners can be registered for onEntry or onLeave
of the managed context. This framework will be used specifically
to handle DB transaction checking and setting up the CallContext.
This framework is need to transition away from ACS custom AOP to
Spring AOP.
following changes
- introduced notion of event bus with publish, subscribe, unsubscribe
semantics
- a plug-in can implement the EventBus abstraction to provide event
bug to CloudStack
- A rabbitMQ based plug-in that can interact with AMQP servers to
provide message broker based event-bug
- stream lines, action events, usage events, alerts publishing in to
convineance classed which are also used to publish corresponding
event on to event bus
- introduced notion of state change event. On a state change, in the
state machine corrsponding to the resource, a state change event is
published on the event bug
- associated a state machined with Snapshot and Network objects
- Virtual Machine, Volume, Snaphost, Network object state changes wil
result in a state change event
