Re: [tor-bugs] #27938 [Core Tor/Nyx]: SQLite permission error writing to cache

2018-10-18 Thread Tor Bug Tracker & Wiki 
#27938: SQLite permission error writing to cache
--+
 Reporter:  atagar|  Owner:  atagar
 Type:  defect| Status:  closed
 Priority:  High  |  Milestone:
Component:  Core Tor/Nyx  |Version:
 Severity:  Normal| Resolution:  fixed
 Keywords:|  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:
--+
Changes (by atagar):

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


Comment:

 There we go. Fix pushed...

 https://gitweb.torproject.org/nyx.git/commit/?id=f72a452

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[tor-bugs] #27938 [Core Tor/Nyx]: SQLite permission error writing to cache

2018-10-02 Thread Tor Bug Tracker & Wiki 
#27938: SQLite permission error writing to cache
--+
 Reporter:  atagar|  Owner:  atagar
 Type:  defect| Status:  new
 Priority:  High  |  Milestone:
Component:  Core Tor/Nyx  |Version:
 Severity:  Normal|   Keywords:
Actual Points:|  Parent ID:
   Points:|   Reviewer:
  Sponsor:|
--+
 I've had a couple users report nyx permission errors. Most likely this
 comes up when changing the user they run nyx as.

 **Users should be able to work around this with the following...**

 {{{
 % echo "data_directory disabled" >> my_nyxrc
 % nyx --config my_nyxrc
 }}}

 Stacktrace users report are the following...

 {{{
 Traceback (most recent call last):
   File "/usr/bin/nyx", line 11, in 
 load_entry_point('nyx==2.0.4', 'console_scripts', 'nyx')()
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 176, in main
 nyx.starter.main()
   File "/usr/lib/python3/dist-packages/stem/util/conf.py", line 289, in
 wrapped
 return func(*args, config = config, **kwargs)
   File "/usr/lib/python3/dist-packages/nyx/starter.py", line 118, in main
 nyx.curses.start(nyx.draw_loop, acs_support =
 config.get('acs_support', True), transparent_background = True, cursor =
 False)
   File "/usr/lib/python3/dist-packages/nyx/curses.py", line 217, in start
 curses.wrapper(_wrapper)
   File "/usr/lib/python3.6/curses/__init__.py", line 94, in wrapper
 return func(stdscr, *args, **kwds)
   File "/usr/lib/python3/dist-packages/nyx/curses.py", line 215, in
 _wrapper
 function()
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 194, in
 draw_loop
 interface = nyx_interface()
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 256, in
 nyx_interface
 Interface()  # constructor sets NYX_INTERFACE
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 589, in
 __init__
 self._header_panel = nyx.panel.header.HeaderPanel()
   File "/usr/lib/python3/dist-packages/nyx/panel/header.py", line 47, in
 __init__
 self._vals = Sampling.create()
   File "/usr/lib/python3/dist-packages/nyx/panel/header.py", line 235, in
 create
 my_router_status_entry =
 nyx.tracker.get_consensus_tracker().my_router_status_entry()
   File "/usr/lib/python3/dist-packages/nyx/tracker.py", line 169, in
 get_consensus_tracker
 CONSENSUS_TRACKER = ConsensusTracker()
   File "/usr/lib/python3/dist-packages/nyx/tracker.py", line 831, in
 __init__
 self._update(ns_response)
   File "/usr/lib/python3/dist-packages/nyx/tracker.py", line 853, in
 _update
 writer.record_relay(fingerprint, address, or_port, nickname)
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 569, in
 record_relay
 self._cache._query('INSERT OR REPLACE INTO relays(fingerprint,
 address, or_port, nickname) VALUES (?,?,?,?)', fingerprint, address,
 or_port, nickname)
   File "/usr/lib/python3/dist-packages/nyx/__init__.py", line 541, in
 _query
 return self._conn.execute(query, param)

   sqlite3.OperationalError: attempt to write a readonly database
 }}}

 The cache is only for a performance improvement so when we lack cache
 write access nyx should emit a warning and simply avoid these calls.

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