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fix environment variable to start the Stone Web viewer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 27 May 2021 13:36:24 +0200
parents 17c1ff4e6ae4
children 8a247c645ac6
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1 .. _configuration:
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2
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3 Configuration of Orthanc
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4 ========================
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5
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6 .. highlight:: bash
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7
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8 Configuring Orthanc simply consists in providing a configuration file.
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9 Orthanc has numerous configuration that are documented in the `default
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10 configuration file
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11 <https://hg.orthanc-server.com/orthanc/file/Orthanc-1.9.3/OrthancServer/Resources/Configuration.json>`_. This
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12 file is in the `JSON <https://en.wikipedia.org/wiki/JSON>`_ file
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13 format. You can generate this file file with the following call::
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14
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15 $ Orthanc --config=Configuration.json
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16
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17 The default configuration file would:
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18
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19 * Create a DICOM server with the DICOM AET (Application Entity Title)
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20 ``ORTHANC`` that listens on the port 4242.
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21 * Create a HTTP server for the REST API that listens on the port 8042.
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22 * Store the Orthanc database in a folder called ``OrthancStorage``.
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23
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24 .. highlight:: json
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25
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26 However, we recommend that you start from an empty configuration file
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27 and only specify the options for which you don't wan't to use
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28 the default value. In example, a simple configuration file would be::
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29
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30 {
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31 "Name": "My archive",
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32 "HttpPort": 80,
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33 "DicomAet": "ARCHIVE",
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34 "DicomPort": 104
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35 }
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36
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37 It's also a very good practice to split your configuration files per
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38 topic. In example, have a ``dicom.json`` for everything that is
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39 related to DICOM, a ``http.json`` for all HTTP related configurations,
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40 one file per plugin. This is how the configuration files are provided
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41 with the Windows Installer.
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42
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43 .. highlight:: bash
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44
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45 Once your configuration file is ready, start Orthanc by giving it the path to the
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46 configuration file path as a command-line argument. If you use multiple configuration
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47 files, you may provide the path to the folder containing all configuration files
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48 (all ``.json`` files will be loaded)::
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49
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50 $ Orthanc ./Configuration.json
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51 $ Orthanc ./config/
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53
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54 **Remark 1:** When specifying paths under Microsoft Windows,
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55 backslashes (i.e. ``\``) should be either escaped by doubling them (as
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56 in ``\\``), or replaced by forward slashes (as in ``/``).
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57
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58 **Remark 2:** When installing Orthanc using the Windows installer by
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59 Osimis, you won't be able to edit your files unless you start your
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60 editor with ``Run as administrator``. We recommend to edit your
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61 configuration file with an editor such as `Notepad++
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62 <https://notepad-plus-plus.org/>`_. It shall warn you that this file
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63 can be edited only by an admin, and will suggest you to restart
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64 Notepad++ as an admin such that you'll be able to save it.
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65
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66 **Remark 3:** The Windows installers by Osimis provide a `Windows
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67 service <https://en.wikipedia.org/wiki/Windows_service>`__ that
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68 automatically starts Orthanc during the startup of Microsoft
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69 Windows. You can control the parameters of the service by typing
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70 ``services.msc`` at a command-line prompt. The Windows service of
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71 Orthanc will do its best to cleanly stop Orthanc at the shutdown of
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72 Windows, but `there are some caveats
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73 <https://bugs.orthanc-server.com/show_bug.cgi?id=48>`__.
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75 **Remark 4:** To obtain more diagnostic, you can use the ``--verbose``
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76 or the ``--trace`` options::
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78 $ Orthanc ./Configuration.json --verbose
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79 $ Orthanc ./Configuration.json --trace
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80
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81 To learn more about the Orthanc logs, :ref:`check out the dedicated
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82 page <log>`.
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85 .. _orthanc-environment-variables:
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86
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87 Environment variables
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88 ---------------------
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89
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90 .. highlight:: json
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91
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92 Starting with Orthanc 1.5.0, the configuration file can include the
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93 value of environment variables. Consider the following configuration::
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94
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95 {
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96 "Name" : "${ORTHANC_NAME}"
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97 }
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98
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99
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100 .. highlight:: bash
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101
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102 In this case, once Orthanc starts, the configuration option ``Name``
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103 will be read from the value of the environment variable
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104 ``ORTHANC_NAME``. For instance::
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105
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106 $ ORTHANC_NAME=Hello ./Orthanc Configuration.json
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107 $ curl http://localhost:8042/system
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108 {
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109 "Name" : "Hello",
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110 [...]
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111 }
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112
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113
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114 .. highlight:: json
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115
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116 It is also possible to set a default value if the environment variable
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117 is not set. Here is the syntax in the configuration file::
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118
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119 {
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120 "Name" : "${ORTHANC_NAME:-DefaultName}"
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121 }
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122
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123
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124 .. highlight:: bash
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125
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126 If the environment variable ``ORTHANC_NAME`` is not set, here is the
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127 result::
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128
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129 $ ./Orthanc Configuration2.json
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130 $ curl http://localhost:8042/system
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131 {
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132 "Name" : "DefaultName",
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133 [...]
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134 }