Great! I will do some tests with the "daemon" approach and report any updates. Thanks!
Em ter., 17 de mar. de 2020 às 17:40, Daniel Takabayashi < daniel.takabaya...@gmail.com> escreveu: > No, I think everything is here. The "daemon" idea is the best way to handle > this problem, basically, we need to have a Marvin agent running inside the > container responsible to receive and run the commands from outside. But I > didn't get the part related to Jupyter. > > > Em sex., 13 de mar. de 2020 às 15:15, Lucas Cardoso Silva < > cardosolucas61....@gmail.com> escreveu: > > > I did some testing with the Docker API. The only problem is that a > > container needs a process running to stay active, if it does not exist > the > > instance stop before receiving the command through the API. There is the > > possibility to maintain an infinite and inexpensive process like: tail > -f / > > dev / null (not a good idea). Another possibility would be refactor the > > part of the marvin that would remain in the container to become a daemon > or > > leave an instance of Jupyter running (the easy way). Is there any other > > possibility that I'm not seeing? > > > > Em sex., 13 de mar. de 2020 às 15:46, Daniel Takabayashi < > > daniel.takabaya...@gmail.com> escreveu: > > > > > Take a look at the Docker API > https://docs.docker.com/engine/api/v1.24/, > > I > > > believe this will simplify the solution. Cause if you add another layer > > > (Flask application) you going to need to control/manage this layer as > > well, > > > creating a chicken and egg problem. > > > > > > I believe the Docker API is a simple solution that solves the problem > > > (communication between toolbox and containers). > > > > > > Take a look here > > > > > > > > > https://docs.google.com/drawings/d/shajxIpLJHxxMbFgDXiPuhg/image?w=602&h=461&rev=1423&ac=1&parent=1ySERHGBXbHeyCMRookq5UfTuFkzzU0ugtjvR3rF3deY > > > > > > > > > Em sex., 13 de mar. de 2020 às 11:19, Lucas Cardoso Silva < > > > cardosolucas61....@gmail.com> escreveu: > > > > > > > I thought about using a flask application, which can become very fast > > and > > > > scalable with a Python WSGI server for production like Gunicorn. We > can > > > > make the communication establish by HTTPS protocol and use a public > and > > > > private key generation system for each engine generated. Another, > > > althougt > > > > complex, alternative would be use OAuth 2.0. > > > > > > > > Regards, > > > > Lucas Cardoso > > > > > > > > Em sex., 13 de mar. de 2020 às 13:58, Daniel Takabayashi < > > > > daniel.takabaya...@gmail.com> escreveu: > > > > > > > > > @Daniel The biggest challenge is to run commands in a remote > > container > > > > > without having access to the whole O.S. Basically the idea is to > > create > > > > an > > > > > interface to make possible, in a secure way the communication > > > > > between Toolbox and remote engines. > > > > > > > > > > Creating this we could start to run our engines in clouds and > > services > > > > like > > > > > Google Run, Kubernetes, Lambda Functions and etc in the same way > > Marvin > > > > > runs locally. > > > > > > > > > > @Lucas Lets talk about the details of these APIs (interfaces, > > > technology) > > > > > > > > > > Thanks, > > > > > Taka > > > > > > > > > > Em sex., 13 de mar. de 2020 às 07:21, Daniel Lucredio < > > > > > daniel.lucre...@ufscar.br> escreveu: > > > > > > > > > > > Hi Lucas and everyone, > > > > > > > > > > > > Couldn't the developer just run the CLI from inside the > container, > > > > > opening > > > > > > a shell inside it? > > > > > > > > > > > > []s > > > > > > > > > > > > Daniel > > > > > > > > > > > > Em qui., 5 de mar. de 2020 às 13:31, Lucas Cardoso Silva < > > > > > > cardosolucas61....@gmail.com> escreveu: > > > > > > > > > > > > > I think we could define better how we will make the > communication > > > CLI > > > > > > with > > > > > > > the Docker development instance in the new architecture. The > > > > container > > > > > > > needs a running process to stay active. We could make a > > > communication > > > > > via > > > > > > > API endpoints to keep a web service running on the container > > > > receiving > > > > > > > information from the CLI for the execution of tasks in Marvin. > I > > > > > created > > > > > > a > > > > > > > use-case scenario to facilitate understanding and further > > > discussion. > > > > > > > > > > > > > > Scenario: A developer created an engine on marvin through the > > CLI, > > > he > > > > > > > configures his engine in order to describe all the dependencies > > of > > > > the > > > > > > > operating system that will be used during development. After > the > > > > engine > > > > > > > configuration process, the developer uses the CLI to upload a > > > > > development > > > > > > > environment on a Docker container, that development environment > > > will > > > > > > > contain the refined Marvin toolbox. The CLI then changes its > > > > interface > > > > > in > > > > > > > order to contain the standard commands for using engines. He > uses > > > the > > > > > CLI > > > > > > > to communicate with the toolbox endpoints and inform that he > > wants > > > to > > > > > run > > > > > > > an instance of the notebook. After building the model, the > > > developer > > > > > can, > > > > > > > through the CLI, perform a dryrun and upload the http-server > for > > > > > testing. > > > > > > > All of these procedures will be done using the communication > > > through > > > > > API > > > > > > > endpoints. > > > > > > > > > > > > > > Does that sound like a good strategy? Do you have any > > suggestions, > > > or > > > > > > > something that was already foreseen in the original project? > > > > > > > > > > > > > > Best regards, > > > > > > > Lucas Cardoso > > > > > > > > > > > > > > > > > > > > > > > > > > > >
