Hi all. Over this last weekend I started taking advantage of stem's shiny new remote descriptor fetching module [1] to implement some simple monitors...

* Descriptor Checker

Hourly task that downloads the server descriptors, extrainfo descriptors, and consensus to check for malformed content. In the case of the consensus this downloads from each of the authorities to also ensure that they're all reachable...

https://gitweb.torproject.org/atagar/tor-utils.git/blob/HEAD:/descriptor_che...

* Sybil Checker

Replacement for the consensusTracker.py I've been running for the last few years [2]. This checks for sudden influxes of new relays, such as the trotsky relays from 2010 [3]...

https://gitweb.torproject.org/atagar/tor-utils.git/blob/HEAD:/sybil_checker....

Cheers! -Damian

[1] https://stem.torproject.org/api/descriptor/remote.html [2] https://gitweb.torproject.org/atagar/tor-utils.git/blob/e537044:/consensusTr... [3] https://trac.torproject.org/projects/tor/wiki/doc/badRelays#trotsky