| Interaction with the broker using Apache Proton library | |
| Apache Proton API http://qpid.apache.org/releases/qpid-proton-0.7/protocol-engine/python/api/index.html | |
| # Queues | |
| AMQP Queues are created in a lazy way (when messages are sent). The put() method in the Messenger class is used with that purpose. | |
| AMQP Messenger class http://qpid.apache.org/releases/qpid-proton-0.7/protocol-engine/python/api/proton.Messenger-class.html. |
| # Messages | |
| Marconi AMQP | |
| POST MESSAGES post_message operation | |
| ./client.py amqp://127.0.0.1:8888/poptart/ | |
| {subject: 'Saying hi!', body: 'POPTARTS @¿@'} | |
| LIST MESSAGES [D] list_message operation | |
| ./client.py amqp://127.0.0.1:8888/poptart/messages | |
| OR | |
| ./client.py amqp://127.0.0.1:8888/poptart/ |
The end of Google Summer of Code (GSoC) is near, so I wanted to share with you how things worked out for me.
Precisely I wanted to let you know my perception about what it takes to participate to GSoC, the blockers you may encounter and how to overcome them, what to expect after the internship and a brief description of what I have been doing during my internship.
create different ssh key according the article Mac Set-Up Git
$ ssh-keygen -t rsa -C "[email protected]"
| (env)[fedora@marconi-tests transport-amqp10]$ pip install -e . | |
| Obtaining file:///home/fedora/marconi-transport-amqp/transport-amqp10 | |
| Running setup.py (path:/home/fedora/marconi-transport-amqp/transport-amqp10/setup.py) egg_info for package from file:///home/fedora/marconi-transport-amqp/transport-amqp10 | |
| ERROR:root:Error parsing | |
| Traceback (most recent call last): | |
| File "/home/fedora/marconi-transport-amqp/transport-amqp10/env/lib/python2.7/site-packages/pbr/core.py", line 104, in pbr | |
| attrs = util.cfg_to_args(path) | |
| File "/home/fedora/marconi-transport-amqp/transport-amqp10/env/lib/python2.7/site-packages/pbr/util.py", line 238, in cfg_to_args | |
| pbr.hooks.setup_hook(config) | |
| File "/home/fedora/marconi-transport-amqp/transport-amqp10/env/lib/python2.7/site-packages/pbr/hooks/__init__.py", line 27, in setup_hook |
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| Related spec: https://review.openstack.org/#/c/122425/2/specs/kilo/define-a-wire-protocol.rst | |
| - Websockets? http://tools.ietf.org/html/rfc6455 | |
| Pros: Persistent. Faster than HTTP. Its on port 80 (firewall friendly). There is a 'secure' version. Full duplex! Both server and client have to support them. | |
| Cons: Inits with an HTTP handshake... so no HTTP, no Websocket. It won't fit some of the use cases (?). Only transmits text or JSON. | |
| POC: Yes. | |
| - Raw TCP? | |
| Pros: UBER fast. Not tied to the web. | |
| Cons: Lower level, harder to implement. |
| - Serialization protocol | |
| It has been discussed to use MessagePack for many reasons, including | |
| - No need of an external compiler | |
| - Support for many languages (including Python, Javascript, our main need ATM) | |
| - Ease of deployment | |
| - Performance | |
| Leaving that aside, we noticed that Profobuf has been chosen for the POC and we looked into it. Regarding this benchmark [0], MsgPack could perform slightly better than ProtoBuf (we should check it again given that this article is of 2011). We also got some similar opinions regarding Protobuf during the summit. |
| I heard about the Grace Hopper Celebration during my GNOME Outreach Program for Women [1] internship [2] and I has been interested in attending since then. The following reasons have motivated me to apply for a scholarship. | |
| From the time I started college I have been curious by the fact that women in computing in my home country are hard to find, and that there is little being done by local organizations to change this. I believe that change has to start somewhere, so I have been trying to spread the word about some of the available opportunities - like OPW and Rails Girls Summer of Code (RGSoC) [3] - between women in my college with some success. I've also presented a publication about my OPW experience [4] in the 42nd JAIIO JSL [5], a national conference that gathers researchers and professionals in FOSS from many important universities and companies across the country. I'm looking for more ways to encourage women to join computer science careers and jobs in my country, and I'm certain that GHC is the perf |
| Debugging OpenStack components on DevStack | |
| ========================================== | |
| By default, DevStack [0] uses GNU Screen [1] to display all the execution traces of the different components in the deployment. | |
| Learning how to use the screen is crucial for the development process given that you will be able to have a better | |
| understanding of what is going on under the hood. | |
| This gist aims to be a cheatsheet for all the people getting started with OpenStack development using DevStack. | |
| Connect to the screen session |