[tor-bugs] #29863 [Obfuscation/Snowflake]: Add disk space monitoring for snowflake infrastructure

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#29863: Add disk space monitoring for snowflake infrastructure
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 Reporter:  cohosh                 |          Owner:  (none)
     Type:  task                   |         Status:  needs_review
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  snowflake              |  Actual Points:
Parent ID:  #30152                 |         Points:
 Reviewer:                         |        Sponsor:  Sponsor19
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Comment (by cohosh):

 Just to summarize some discussion in IRC:

 There are some difficulties in adding stronger authentication to access
 the grafana graphs that include but are not necessarily limited to:
 - needing to set up separate instances for TPA/3rd party resources and
 also for projects that have different authentication requirements
 - relying on LDAP is complicated (see #30023)
 - we shouldn't really be exporting metrics we aren't comfortable with
 being public in the first place

 So given that, I think we should evaluate whether or not this ticket is
 ready with the current limited prometheus exports based on the fact that
 anyone can access the exports or grafana graphs (even though there will be
 some light access control on both).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29863#comment:20>
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