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annotate mod_reload_components/README.markdown @ 4362:116c88c28532

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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>
date Wed, 20 Jan 2021 15:30:29 +0100
parents 85d04dd87f14
children
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1 Introduction
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2 ============
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3
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4 This module allows to load/unload external components after they have
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5 been added/removed to a configuration file. It is necessary to explicitly
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6 initiate a reload on Prosody either via prosodyctl reload or config:reload().
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7
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8 Example 1:
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9 --------
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10 If Prosody has started with this configuration file:
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11
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12 ``` {.lua}
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13 VirtualHost "example.com"
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14 authentication = "internal_plain"
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15
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16 Component "a.example.com"
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17 component_secret = "a"
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18
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19 Component "b.example.com"
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20 component_secret = "b"
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21 ```
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22
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23 And the file has changed manually or dynamically to:
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24
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25 ``` {.lua}
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26 VirtualHost "example.com"
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27 authentication = "internal_plain"
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28
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29 Component "a.example.com"
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30 component_secret = "a"
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31
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32 Component "c.example.com"
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33 component_secret = "c"
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34 ```
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35
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36 Then, the following actions will occur if this module is loaded:
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37
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38 1. The component c.example.com will be loaded and start bouncing for
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39 authentication.
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40 2. The component b.example.com will be unloaded and deactivated. The
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41 connection with it will not be closed, but no further actions will be
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42 executed on Prosody.
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43
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44 Example 2:
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45 --------
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46
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47 If Prosody has started with this configuration file:
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48
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49 ``` {.lua}
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50 VirtualHost "example.com"
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51 authentication = "internal_plain"
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52
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53 Component "a.example.com"
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54 component_secret = "a"
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55 ```
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56
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57 And the file has changed manually or dynamically to:
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58
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59 ``` {.lua}
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60 VirtualHost "example.com"
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61 authentication = "internal_plain"
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62
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63 Component "a.example.com"
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64 component_secret = "a"
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65
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66 VirtualHost "newexample.com"
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67 authentication = "internal_plain"
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68
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69 Component "a.newexample.com"
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70 component_secret = "a"
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71 ```
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72
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73 Then, the following actions will occur if this module is loaded:
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74
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75 1. The component a.newexample.com will be loaded and start bouncing for
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76 authentication. Note that its respective VirtualHost is not loaded. Bad
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77 things may happen.
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78
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79 Usage
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80 =====
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81
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82 Copy the module folder into your Prosody modules directory. Place the
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83 module between your enabled modules either into the global or a vhost
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84 section.
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85
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86 No configuration directives are needed
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87
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88 Info
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89 ====
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90
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91 - 0.9, works