Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  dgoulet
 Type:  project  | Status:  closed
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:  fixed
 Keywords:  tor-hs, reachability, research,  |  Actual Points:
  network-health, network-team-roadmap-  |
  september  |
Parent ID:  #30200   | Points:  7
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by dgoulet):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 At this point, the general idea of stable tracepoints in tor is being
 discussed so merging this tool upstream depends on the decisions coming
 out of the discussions with the network team.

 For now, this lives outside of tor and hopefully one day, the tracing part
 will be put upstream. In the meantime, the rest is out of tree.

 For reference, tor tracing is here:
 https://gitweb.torproject.org/user/dgoulet/tor.git/?h=lttng-hs

 The scripts to analyze the traces and output useful data is here until we
 find a better place:

 https://people.torproject.org/~dgoulet/volatile/analyze-client.py
 https://people.torproject.org/~dgoulet/volatile/analyze-service.py

 Closing this as "Done" since the work has been done but upstream merge
 requires more discussions. But for the sponsored work, it is considered
 done.

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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  dgoulet
 Type:  project  | Status:
 |  assigned
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs, reachability, research,  |  Actual Points:
  network-health, network-team-roadmap-  |
  september  |
Parent ID:  #30200   | Points:  7
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by dgoulet):

 * parent:  #29995 => #30200


Comment:

 This has nothing to do with s27 O1A1.1. It is instrumental but the
 activity should not depend on this.

 I did built that tool based on tor HS tracing but it is not upstream nor
 ready for upstream. Heck, it might live its life outside of mainline tor,
 who knows.

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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  dgoulet
 Type:  project  | Status:
 |  assigned
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs, reachability, research,  |  Actual Points:
  network-health, network-team-roadmap-  |
  september  |
Parent ID:  #29995   | Points:  7
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by dgoulet):

 * owner:  (none) => dgoulet
 * status:  needs_information => assigned
 * points:  23 => 7


Comment:

 Points changed at the Stockholm meeting.

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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs, reachability, research,  |  Actual Points:
  network-health, network-team-roadmap-  |
  september  |
Parent ID:  #29995   | Points:  23
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by gaba):

 * keywords:
 tor-hs, reachability, research, network-health, network-team-
 roadmap-2019-Q1Q2
 =>
 tor-hs, reachability, research, network-health, network-team-roadmap-
 september


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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:  #29995   | Points:  23
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by asn):

 * parent:   => #29995


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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:   | Points:  23
 Reviewer:   |Sponsor:
 |  Sponsor27-must
-+-
Changes (by asn):

 * points:   => 23
 * sponsor:  Sponsor27-can => Sponsor27-must


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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  Sponsor27-can
-+-
Changes (by asn):

 * sponsor:   => Sponsor27-can


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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by irl):

 * cc: metrics-team (added)


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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by s7r):

 * cc: s7r (added)


Comment:

 I run two v3 onion services that fulfill the criteria and could give us
 relevant statistics for our questions. commenting here so I get the
 updates on this ticket, I would be thrilled to use a tool like this to
 monitor their health and report back here.

 I have no other way to know about their health, all I can do is check the
 Tor daemon for relevant messages in the log file or try connecting to them
 myself. But this "solution" is obviously orders of magnitude less reliable
 and exact than a tool that will check the health against all HSDirs and
 try introduction to all IPs.

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Re: [tor-bugs] #28841 [Core Tor/Tor]: Write tool for onion service health assessment (was: Write tool for onion service health assesment)

[Tor Bug Tracker & Wiki]

#28841: Write tool for onion service health assessment
-+-
 Reporter:  asn  |  Owner:  (none)
 Type:  project  | Status:
 |  needs_information
 Priority:  Medium   |  Milestone:  Tor:
 |  unspecified
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tor-hs reachability research |  Actual Points:
  network-health |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by arma):

 * keywords:  tor-hs reachability research => tor-hs reachability research
 network-health


Comment:

 1. Agreed, this health assessment tool should be entirely about the
 "within the Tor protocol" side of things. People can use nagios or
 whatever to make sure that their service is running well -- but only if
 the onion protocols are reliable and consistent.

 2. Yes. It's not just timing, and not just success/failure, but another
 piece is trying to identify what went wrong if one of the steps went
 wrong.

 3. Basing it on stem is fine with me. I think the answer might be "no" for
 whether all of this stuff is exposed properly in the control protocol
 though. I think we've had tickets about extending the control protocol in
 that direction open for a very long time. Or maybe nobody even made the
 tickets.

 4. I imagine the first way of using the tool would be that we, the
 developers of the tool, run it consistently against some known-stable
 onion service. The goal would be to look for patterns in the failures. So
 the better the tool can be at identifying where the failure is and why the
 failure is, the more useful it will be. And then the second use of the
 tool would be when people say their onion service isn't working right --
 we can tell them to run the tool and see what it says. Then I could
 imagine a third way, which is somebody sets up a web interface to run the
 tool on behalf of anybody who interacts with the website. Then it would
 become the sort of thing all sorts of people could easily run. But, one
 step at a time -- let's start with that 'first way'. :)

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