Introducing Openstack Marconi

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Message Queues as a Service: Introducing Marconi Alejandro Cabrera ([email protected]) July 17, 2013 Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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from pprint import pprint if __name__ == ’__main__’: meta = { ’author’ : ’Alejandro Cabrera’, ’email’ : ’[email protected]’, ’objective’ : ’Introduce Marconi!’ } pprint(meta) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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About Me Software developer @ Rackspace for almost a year Likes: Python, Linux, open-source, automation, quality, cordiality Dislikes: Proprietary, manual processes, hostility Github: cabrera Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Overview Marconi: What, Why, How? Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Overview Marconi: What, Why, How? Marconi and You: Conﬁguring Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Overview Marconi: What, Why, How? Marconi and You: Conﬁguring Growing Marconi: Development and the Future Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API An Openstack hopeful Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API An Openstack hopeful Open-source! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API An Openstack hopeful Open-source! Marconi is not: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API An Openstack hopeful Open-source! Marconi is not: A replacement for X (celery, zmq, rabbitmq) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Queuing for the Cloud Marconi is: Queuing as a service: queues, messages, claims An HTTP-driven, mostly-RESTful API An Openstack hopeful Open-source! Marconi is not: A replacement for X (celery, zmq, rabbitmq) A message broker Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: What’s In a Name? Guglielmo Marconi Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: What’s In a Name? Guglielmo Marconi An Italian inventor often credited with the invention of radio Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: What’s In a Name? Guglielmo Marconi An Italian inventor often credited with the invention of radio Marconi (the service) is all about managing messages Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Open Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Open Easy to use Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Open Easy to use Scalable Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Open Easy to use Scalable Extensible Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi? There was a need for a messsaging platform that is: Open Easy to use Scalable Extensible Marconi aims to ﬁll those needs Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Celery? Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Celery? Celery is a task-based service Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Celery? Celery is a task-based service It depends on a broker to handle the queuing aspects Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Celery? Celery is a task-based service It depends on a broker to handle the queuing aspects RabbitMQ, qpid, ZMQ? Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Why Marconi Instead of. . . ? Amazon SQS? SQS is closed - you can’t run your own instance Celery? Celery is a task-based service It depends on a broker to handle the queuing aspects RabbitMQ, qpid, ZMQ? You have to scale them yourself Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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How Does it Work? Queues: create them! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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How Does it Work? Queues: create them! Messages: post them to queues (FIFO guaranteed) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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How Does it Work? Queues: create them! Messages: post them to queues (FIFO guaranteed) Claims: workers claim messages Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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How Does it Work? Queues: create them! Messages: post them to queues (FIFO guaranteed) Claims: workers claim messages That’s all there is to it. Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. It’s up to you to build higher-level patterns: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. It’s up to you to build higher-level patterns: Response/request Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. It’s up to you to build higher-level patterns: Response/request Publish/subscribe Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. It’s up to you to build higher-level patterns: Response/request Publish/subscribe Master/slave Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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That’s All? Yes. It’s up to you to build higher-level patterns: Response/request Publish/subscribe Master/slave Producer(s)/Consumer(s) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Conﬁguration Marconi doesn’t try to limit you Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Conﬁguration Marconi doesn’t try to limit you You can conﬁgure. . . : Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Conﬁguration Marconi doesn’t try to limit you You can conﬁgure. . . : Logging details Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Conﬁguration Marconi doesn’t try to limit you You can conﬁgure. . . : Logging details Transport drivers: wsgi, zmq Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Configuration Marconi doesn’t try to limit you You can configure. . . : Logging details Transport drivers: wsgi, zmq As well as transport-specific configuration! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Configuration Marconi doesn’t try to limit you You can configure. . . : Logging details Transport drivers: wsgi, zmq As well as transport-specific configuration! Storage drivers Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Configuration Marconi doesn’t try to limit you You can configure. . . : Logging details Transport drivers: wsgi, zmq As well as transport-specific configuration! Storage drivers Messages: size (default: 256KB), batch size Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Configuration Marconi doesn’t try to limit you You can configure. . . : Logging details Transport drivers: wsgi, zmq As well as transport-specific configuration! Storage drivers Messages: size (default: 256KB), batch size Queues: name length Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Configuration Marconi doesn’t try to limit you You can configure. . . : Logging details Transport drivers: wsgi, zmq As well as transport-specific configuration! Storage drivers Messages: size (default: 256KB), batch size Queues: name length Philosophy: configure all the things! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Can I Use it Now? Yes, with a caveat Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Can I Use it Now? Yes, with a caveat It’s pre-alpha status Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi: Can I Use it Now? Yes, with a caveat It’s pre-alpha status (Don’t run this in production!) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi API: From the Top GET /v1 GET /v1/health Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi API: Handling Queues PUT /v1/queues/{queue} GET /v1/queues{?marker,limit,detailed} PUT /v1/queues/{queue} GET /v1/queues/{queue} GET /v1/queues/{queue}/stats DELETE /v1/queues/{queue} Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi API: Messages! GET /v1/queues/{queue}/messages{?marker,limit,echo} GET /v1/queues/{queue}/messages/{message_id}{?claim_id} GET /v1/queues/{queue}/messages{?ids,claim_id} POST /v1/queues/{queue}/messages DELETE /v1/queues/{queue}/messages/{message_id}{?claim_id} Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi API: Claims Processing POST /v1/queues/{queue}/claims{?limit} GET /v1/queues/{queue}/claims/{claim_id} PATCH /v1/queues/{queue}/claims/{claim_id} DELETE /v1/queues/{queue}/claims/{claim_id} Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Storage: sqlite, mongodb Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Storage: sqlite, mongodb Transport: wsgi (zmq in the works) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Storage: sqlite, mongodb Transport: wsgi (zmq in the works) Authentication: keystone, nova, endpoint (client-side) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Storage: sqlite, mongodb Transport: wsgi (zmq in the works) Authentication: keystone, nova, endpoint (client-side) The idea is to be highly conﬁgurable Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Deeper: Internal Architecture Highly modular - driver-driven architecture Storage: sqlite, mongodb Transport: wsgi (zmq in the works) Authentication: keystone, nova, endpoint (client-side) The idea is to be highly conﬁgurable You know what you need - you make the trade-oﬀs Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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A Look at the Structure: Big Picture marconi |-- bootstrap.py |-- cmd # garbabe collector, standalone server process |-- common # shared utilities |-- __init__.py |-- openstack # openstack common code |-- storage # storage drivers |-- tests # test helpers |-- transport # transport drivers ‘-- version.py Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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A Look at the Structure: Storage storage/ |-- base.py |-- exceptions.py |-- __init__.py |-- mongodb ‘-- sqlite Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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A Look at the Structure: Transports (zmq) transport/ |-- auth.py |-- base.py |-- helpers.py |-- __init__.py |-- wsgi ‘-- zmq ‘-- __init__.py # you can help make this happen! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Client-Side: Introducing python-marconiclient! You have a server, but now you need to work with it Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Client-Side: Introducing python-marconiclient! You have a server, but now you need to work with it python-marconiclient is. . . : Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Client-Side: Introducing python-marconiclient! You have a server, but now you need to work with it python-marconiclient is. . . : A Python API for communicating with a marconi server Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Client-Side: Introducing python-marconiclient! You have a server, but now you need to work with it python-marconiclient is. . . : A Python API for communicating with a marconi server A CLI that accomplishes the same Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Going Client-Side: Introducing python-marconiclient! You have a server, but now you need to work with it python-marconiclient is. . . : A Python API for communicating with a marconi server A CLI that accomplishes the same A reference implementation for alternate marconi clients Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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So. . . What Does it Look Like? >>> client = Client(conn, async=False) >>> client.queues(marker=..., limit=10, detailed=False) ar 0x7fd3ef1ed730> >>> client.create_queue(name=’darn_good_queue’, metadata=json.dumps({’game’: ’d2’ } ) ) >>> client.home # affects all operations for objects # acquired from the client >>> client.async False Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Client: Handling Queues >>> queue = next(q for q in client.queues if q.name == ’darn_good_queue’) >>> queue.name u’darn_good_queue’ >>> queue.stats >>> queue.get_messages() ar 0x7fd3ef1ed742> >>> queue.get_messages(ids=[’50b68a50d6f5b8c8a7c62b’, ’50b68a50d6f5b8c8a7c62b’ ], claim=’a28ee94e-6cb4-11e2-b4’, limit=1) ar 0x7fd3ef1ed742> >>> queue.post_messages(messages=...) >>> queue.delete() Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Client: Handling Queues (Metadata) >>> queue.metadata {’a’: 1, ’b’: 2} >>> queue.set_metadata({’a’: 2, ...}) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Client: Message Handling >>> message = next(queue.messages(...)) >>> message.age 90 >>> message.ttl 120 >>> message.id u’9y22h21w2h’ >>> message.body {u’action’: u’win’} >>> message.delete() >>> message.status Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Client: Claims >>> queue.claim(limit=10) ar 0x7fd3ef1ed742> >>> claim = queue.claim(limit=10) # identical to queue message fetch API, # with claim id pre-filled >>> claim.messages(...) ar 0x7fd3ef1ed742> >>> msg = next(claim.messages(...)) >>> msg.status Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Client: Claims >>> claim.id ... >>> claim.ttl 90 >>> claim.age 120 >>> claim.patch(ttl=..., grace=...) >>> claim.release() Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) (We need more conributors!) Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) (We need more conributors!) We keep our code: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) (We need more conributors!) We keep our code: Here: server Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) (We need more conributors!) We keep our code: Here: server And here: client Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Marconi & Openstack & You Currently: pre-incubation We have the form, we have contributors (5-6) (We need more conributors!) We keep our code: Here: server And here: client Join us on IRC: #openstack-marconi @ freenode Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Release the reference client Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Release the reference client Implement more: Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Release the reference client Implement more: Transport drivers Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Release the reference client Implement more: Transport drivers Storage drivers Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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The Future Get incubated into Openstack Release the reference client Implement more: Transport drivers Storage drivers Grow! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Questions? Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi

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Thanks! Alejandro Cabrera ([email protected]) Message Queues as a Service: Introducing Marconi