Mercurial > prosody-modules
annotate mod_debug_traceback/mod_debug_traceback.lua @ 4362:116c88c28532
mod_http_admin_api: restructure group-related info in API
- Return the members of the group right in the get_group_by_id
call. This is an O(1) of extra work.
- Remove the groups attribute from get_user_by_name as that is
O(n) of work and rarely immediately needed.
The replacement for the group membership information in the user
is for now to use the group API and iterate; future work may fix
that.
author | Jonas Schäfer <jonas@wielicki.name> |
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date | Wed, 20 Jan 2021 15:30:29 +0100 |
parents | 02292b892fce |
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1 module:set_global(); |
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2 |
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3 local traceback = require "util.debug".traceback; |
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4 local pposix = require "util.pposix"; |
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5 local os_date = os.date; |
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6 local render_filename = require "util.interpolation".new("%b{}", function (s) return s; end, { |
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7 yyyymmdd = function (t) |
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8 return os_date("%Y%m%d", t); |
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9 end; |
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10 hhmmss = function (t) |
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11 return os_date("%H%M%S", t); |
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12 end; |
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13 }); |
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14 |
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15 local count = 0; |
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16 |
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17 local function get_filename(filename_template) |
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18 filename_template = filename_template; |
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19 return render_filename(filename_template, { |
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20 paths = prosody.paths; |
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21 pid = pposix.getpid(); |
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22 count = count; |
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23 time = os.time(); |
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24 }); |
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25 end |
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26 |
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27 local default_filename_template = "{paths.data}/traceback-{pid}-{count}.log"; |
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28 local filename_template = module:get_option_string("debug_traceback_filename", default_filename_template); |
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29 local signal_name = module:get_option_string("debug_traceback_signal", "SIGUSR1"); |
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30 |
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31 function dump_traceback() |
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32 module:log("info", "Received %s, writing traceback", signal_name); |
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33 |
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34 local tb = traceback(); |
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35 module:fire_event("debug_traceback/triggered", { traceback = tb }); |
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36 |
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37 local f, err = io.open(get_filename(filename_template), "a+"); |
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38 if not f then |
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39 module:log("error", "Unable to write traceback: %s", err); |
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40 return; |
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41 end |
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42 f:write("-- Traceback generated at ", os.date("%b %d %H:%M:%S"), " --\n"); |
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43 f:write(tb, "\n"); |
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44 f:write("-- End of traceback --\n"); |
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45 f:close(); |
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46 count = count + 1; |
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47 end |
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48 |
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49 local mod_posix = module:depends("posix"); |
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50 if rawget(mod_posix, "features") and mod_posix.features.signal_events then |
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51 module:hook("signal/"..signal_name, dump_traceback); |
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52 else |
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53 require"util.signal".signal(signal_name, dump_traceback); |
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54 end |