Mercurial > libervia-backend
annotate doc/jp/pubsub_node_schema.rst @ 3372:5d926c7b0d99
plugin app manager: first draft:
/!\ new optional dependency: pyyaml
this plugin manage the life cycle of external applications. Application handlers register
to it.
Data needed to launch an application as set in YAML files. Local data types are used to
get values directly from SàT:
- !sat_conf to retrieve a configuration value
- !sat_generate_pwd to generate a password
- !sat_param for parameters specified a launch
Data can be exposed when an instance is launched, this can be used to specify the port
(notably the one used for web), or a generated password.
| author | Goffi <goffi@goffi.org> |
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| date | Mon, 28 Sep 2020 21:10:30 +0200 |
| parents | 72583524cfd3 |
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1 .. _jp-pubsub_node_schema: |
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2 |
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3 ========================================= |
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4 pubsub/node/schema: nodes schema handling |
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5 ========================================= |
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6 |
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7 ``node schema`` is an experimental feature to associate a data form with a PubSub node, and |
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8 reject items not following this form. This feature is currently only available with SàT |
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9 PubSub. |
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10 |
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11 Those commands can only be used by an owner of the node. |
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12 |
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13 set |
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14 === |
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15 |
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16 Set the schema of a node. The raw schema is written directly as positional argument. |
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17 |
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18 example |
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19 ------- |
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20 |
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21 Set the schema for tickets node using the file ``tickets_schema.xml`` from ``$HOME`` |
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22 directory. Shell substition is used here to put the content of the file in the positional |
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23 argument:: |
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24 |
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25 $ jp pubsub node schema set -n org.salut-a-toi.tickets:0 -s pubsub.example.org "$(<~/test_schema.xml)" |
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26 |
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27 |
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28 edit |
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29 ==== |
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30 |
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31 Edit the schema of a node using your local editor (the one set in ``$EDITOR``). |
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32 |
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33 If you don't change anything or publish an empty schema, the edition will be cancelled. |
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34 |
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35 :ref:`draft_common` commands can be used. |
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36 |
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37 example |
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38 ------- |
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39 |
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40 Edit the tickets node schema:: |
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41 |
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42 $ jp pubsub node schema edit -n org.salut-a-toi.tickets:0 -s pubsub.example.org |
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43 |
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44 |
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45 example |
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46 ------- |
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47 |
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48 get |
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49 === |
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50 |
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51 Retrieve schema of a node. |
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52 |
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53 example |
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54 ------- |
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55 |
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56 Get schema of tickets and save it to a file named ``tickets_schema.xml`` in ``$HOME`` |
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57 directory:: |
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58 |
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59 $ jp pubsub node schema get -n org.salut-a-toi.tickets:0 -s pubsub.example.org > ~/tickets_schema.xml |