Mercurial > libervia-backend
annotate doc/libervia-cli/param.rst @ 4152:23d21daed216
core (memory/sqla_mapping): add a `version_id` column to detect race conditions.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 22 Nov 2023 14:52:00 +0100 |
| parents | 267e4987b58b |
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| rev | line source |
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1 ================================= |
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2 param: manage Libervia parameters |
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3 ================================= |
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4 |
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5 ``param`` commands allows to retrieve or set parameters as well as to export/import them |
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6 to a XML file. |
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7 |
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8 Parameters are retrieve using a ``category`` and a ``name``, they are both case sensitive. |
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9 |
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10 ``category`` is the name of the tabs that you see when you set parameters in a frontend |
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11 like Cagou or Libervia. |
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12 |
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13 .. note:: |
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14 |
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15 You need to have your session started to retrieve of modify parameters. If you can't |
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16 or are not willing to connect for any reason (e.g. no internet connection), you can |
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17 use the ``--start-session`` option to start the profile session without connecting it |
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18 to the XMPP server. |
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19 |
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20 get |
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21 === |
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22 |
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23 Retrieve list of categories, parameters or a specific parameter value: |
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24 |
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25 - without argument, you'll get the list of categories |
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26 - with only a category specified, you'll get a list of parameters and their values |
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27 - with a category and a name, you'll get the value or requested attribute of the specified |
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28 parameters |
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29 |
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30 By default you'll get the value of the parameters, but you can request an other attribute |
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31 (for instance its ``type`` or ``constraint``) using the ``-a ATTRIBUTE, --attribute |
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32 ATTRIBUTE`` argument. |
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33 |
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34 You can set a security limit to retrieve only parameters allowed with this limit. |
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35 Security limit is an integer used in some frontends (like Libervia), to restrict |
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36 parameters modifiable by non privileged users. You can set it using ``--security-limit |
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37 SECURITY_LIMIT``, by default it is disabled (i.e. all parameters are returned). |
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38 |
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39 examples |
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40 -------- |
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41 |
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42 Get list of categories:: |
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43 |
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44 $ li param get |
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45 |
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46 Get list of parameters in ``General`` category:: |
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47 |
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48 $ li param get General |
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49 |
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50 Get JID set for default profile. It is set in ``Connection`` category, with the parameters |
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51 named ``JabberID`` (be careful with the case):: |
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52 |
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53 $ li param get Connection JabberID |
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54 |
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55 Get the type of the ``check_certificate`` parameters in ``Connection`` category:: |
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56 |
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57 $ li param get Connection check_certificate -a type |
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58 |
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59 Get the constraint of the ``Priority`` parameters in ``Connection`` category:: |
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60 |
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61 $ li param get Connection Priority -a constraint |
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62 |
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63 set |
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64 === |
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65 |
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66 As expected, this command set a Libervia parameter. The ``category``, ``name`` and ``value`` |
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67 are needed as positional arguments. |
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68 |
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69 ``--security-limit SECURITY_LIMIT`` can be used if you want an update to be rejected if |
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70 the parameter is not modifiable with this limit. This can be useful if you use ``li`` from |
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71 an external tool and you want to limit damage risks, or for testing purpose. |
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72 |
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73 examples |
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74 -------- |
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75 |
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76 Use Markdown_ syntax for composition (e.g. for editing blog posts):: |
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77 |
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78 $ li param set Composition Syntax markdown |
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79 |
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80 Try to change jid of the profile with a low security limit, this command should fail:: |
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81 |
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82 $ li param set --security-limit 0 Connection JabberID some_random_jid@example.org |
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83 |
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84 .. _Markdown: https://daringfireball.net/projects/markdown/ |
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85 |
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86 .. _libervia-cli_param_save: |
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87 |
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88 save |
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89 ==== |
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90 |
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91 Save the parameters structure to an external files. The parameters are saved as XML. The only |
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92 expected argument is the path to the destination file. |
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93 |
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94 .. note:: |
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95 |
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96 it's the parameters structure and not the parameters values which are saved. This is |
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97 low level method and most end users won't probably need it |
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98 |
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99 example |
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100 ------- |
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101 |
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102 Save parameters structure to ``~/parameters.xml``:: |
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103 |
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104 $ li param save ~/parameters.xml |
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105 |
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106 .. _libervia-cli_param_load: |
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107 |
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108 load |
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109 ==== |
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110 |
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111 Load and merge the parameters structure from external XML files. The only expected |
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112 argument is the path to the source file. |
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113 |
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114 .. note:: |
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115 |
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116 it's the parameters structure and not the parameters values which is loaded and merged. |
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117 This is low level method and most end users won't probably need it |
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119 example |
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120 ------- |
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122 Load and merge parameters structure from ``~/parameters.xml``:: |
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124 $ li param load ~/parameters.xml |