fix: doc: make CDN more optional

Closes #40101

See merge request tpo/network-health/sbws!100

Closes: #40101.

because bullseye is the new Debian stable, has by default python3.9
amd tests using buster dependencies fail.

Closes #40099.

fix: Update canonical repository links

Closes #40002

See merge request tpo/network-health/sbws!97

Closes: #40002.

Closes: #40090

stop exiting when there's a possible exception that makes sbws stalled
and instead just dump the stack. Additionaly, call pdb on sigint.

Since tor version 0.4.7.0-alpha-dev with #40337 patch, chutney relays
notice bandwidth changes.

to more appropriate names, after switching to concurrent. futures.

away from multiprocessing, because it looks like we hit python bug
22393, in which the pool hangs forever when a worker process dies.
We don't know the reason why a worker process might due, maybe oom.
See https://stackoverflow.com/questions/65115092/occasional-deadlock-in-multiprocessing-pool,

We also run into several other issues in the past with multiprocessing.
Concurrent.futures has a simpler API and is more modern.

Closes #40092.

because when the observed bandwidth is higher than the consensus (for
example when the relay is new or was some time down), it's limited by
the previous consensus, not allowing it to grow.

Since the size of the data to download depends also on the consensus
weight, this results on lower measured bandwidth too.

Closes #40091.

instead of version, so that it's more clear which version is being installed.

Closes: #40089

since the default tor with deb.tpo repository is master

since master is the default and add test for master.

- Increase the time waiting for the last measurements queued, to avoid
  canceling unfinished measurements and gc maybe not releasing thread
  variables
- Use the already declared global pool instead of passing it by args
- Log more information when the last measuremetns timeout

Closes: #40087

To pass tox tests.
This seems to have changed in black from version 20.8b1 to 21.4b2.

juga authored Apr 20, 2021 and Georg Koppen committed Apr 27, 2021

also replace the links to Read the Docs to pages.torproject.net
and add redirect to it.

Closes: #40085.

Update changelog, updated automatically, manually fixed typos and
and new lines.

Closes #40004.