Segmentation

[tmieslinger]

This PR adds a notebook showing basic usage of the flight segmentation.
As this requires access to HALO flight track data, which is the first use of IPFS in this repo, it also initializes an IPFS node in the CI.

[lkluft]

Thanks for adding this! (And also for adding IPFS to the CI).

It seems that the execution of the notebook timed out during the build. Do you know how long the notebook usually runs on your machine? We need to find out if it is just slow in general (then we could increase the timeout period) or if the IPFS node cannot find the CIDs in time (not so easy to solve)

[lkluft]

You could use -F instead of -f:

If the file being followed does not (yet) exist or if it is removed, tail will keep looking and will display the file from the beginning if and when it is created.

Suggested change

	touch ipfs.log # ensure the file exists such that `tail` doesn't fail.
	ipfs daemon 2>ipfs.log | grep -i -o -m1 'Daemon is ready' & tail -f --pid=$! ipfs.log
	ipfs daemon 2>ipfs.log | grep -i -o -m1 'Daemon is ready' & tail -F --pid=$! ipfs.log

[lkluft]

I tried to build the book locally, but it currently fails with

FileNotFoundError: https://orcestra-campaign.github.io/flight_segmentation/all_flights.yaml

which is likely caused by a failed CI job in the flight segmentation repo 🤷‍♂️