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mod_measure_process/mod_measure_process.lua @ 5185:09d6bbd6c8a4
mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow
It's optional and the one stored in the client registration should
really be used instead. RFC 6749 says an URI provided as parameter MUST
be validated against the stored one but does not say how.
Given that the client needs their secret to proceed, it seems fine to
leave this for later.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 02 Mar 2023 22:00:42 +0100 |
parent | 4878:c26f515751af |
rev | line source |
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mod_measure_process: Provide metrics about the process itself
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1 module:set_global() |
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2 |
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3 local get_cpu_time = os.clock |
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4 |
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5 local custom_metric = require "core.statsmanager".metric |
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6 local cpu_time = custom_metric( |
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7 "counter", "process_cpu", "seconds", |
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8 "CPU time used by Prosody as reported by clock(3)." |
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9 ):with_labels() |
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10 |
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11 local lfs = require "lfs" |
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12 |
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13 module:hook("stats-update", function () |
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14 cpu_time:set(get_cpu_time()) |
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15 end); |
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16 |
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17 if lfs.attributes("/proc/self/statm", "mode") == "file" then |
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18 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE |
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19 |
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20 local vsz = custom_metric( |
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21 "gauge", "process_virtual_memory", "bytes", |
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22 "Virtual memory size in bytes." |
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23 ):with_labels() |
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24 local rss = custom_metric( |
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25 "gauge", "process_resident_memory", "bytes", |
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26 "Resident memory size in bytes." |
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27 ):with_labels() |
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28 |
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29 module:hook("stats-update", function () |
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30 local statm, err = io.open("/proc/self/statm"); |
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31 if not statm then |
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32 module:log("error", tostring(err)); |
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33 return; |
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34 end |
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35 -- virtual memory (caches, opened librarys, everything) |
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36 vsz:set(statm:read("*n") * pagesize); |
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37 -- resident set size (actually used memory) |
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38 rss:set(statm:read("*n") * pagesize); |
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39 statm:close(); |
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40 end); |
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41 end |
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42 |
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43 if lfs.attributes("/proc/self/fd", "mode") == "directory" then |
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44 local open_fds = custom_metric( |
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45 "gauge", "process_open_fds", "", |
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46 "Number of open file descriptors." |
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47 ):with_labels() |
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48 |
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49 local has_posix, posix = pcall(require, "util.pposix") |
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50 local max_fds |
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51 if has_posix then |
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52 max_fds = custom_metric( |
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53 "gauge", "process_max_fds", "", |
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54 "Maximum number of open file descriptors" |
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55 ):with_labels() |
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56 else |
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57 module:log("warn", "not reporting maximum number of file descriptors because mod_posix is not available") |
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58 end |
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59 |
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60 local function limit2num(limit) |
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61 if limit == "unlimited" then |
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62 return math.huge |
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63 end |
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64 return limit |
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65 end |
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66 |
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67 module:hook("stats-update", function () |
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68 local count = 0 |
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69 for _ in lfs.dir("/proc/self/fd") do |
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70 count = count + 1 |
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71 end |
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72 open_fds:set(count) |
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73 |
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74 if has_posix then |
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75 local ok, soft, hard = posix.getrlimit("NOFILE") |
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76 if ok then |
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77 max_fds:set(limit2num(soft or hard)); |
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78 end |
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79 end |
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80 end); |
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81 end |