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tmtsoftware / icd Public
ICD - Interface Control Document Management
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Go to fileThis project contains support for creating, validating and viewing TIO subsystem APIs and ICDs.
You can find a detailed description of the IDBS software here.
Subsystem APIs are described in model files. The model files are validated using JSON Schema, however the schema descriptions as well as the model files are normally written in the simpler HOCON format (.conf suffix).
Model files with the .jsonnet suffix are assumed to be in jsonnet format and are preprocessed to produce the JSON (see this example).
(See JsonSchemaChanges.md for a list of recent changes in the JSON Schema for API model files.)
In addition, HTTP services can be described using OpenAPI files (See example Segment Service).
Versions of APIs and ICDs are managed in GitHub repositories and the subsystem model files can be imported from GitHub (with version history) into a local MongoDB database, which is used by command line applications and a web app.
The examples directory also contains some example API descriptions in both the old and new schema versions. All schema versions are supported for backward compatibility, however the newest version (3.0) should be used for future work. To help in upgrading existing subsystem APIs, branches named schema-3.0 have been created on GitHub for the existing subsystems.
Command line applications: icd-db, icd-fits, icd-git and a web app (icdwebserver) are provided for working with APIs and ICDs, querying and viewing the data.
The applications here assume the MongoDB database is running. To start the MongoDB server, you can run a command like this:
mongod -dbpath $db where $db is the directory that contains (or should contain) the database. Mongodb can also be started automatically at boot time.
After starting the database, ingest the published ICDs, which are stored in GitHub repositories:
icd-git --ingest You can rerun this command occasionally to get any updates from newly published ICDs or APIs (The icd web app automatically ingests any missing APIs and ICDs when started).
There are currently these ICD subprojects:
*Note that this project has been tested with java-17.
Note: The build requires that node.js be installed on the system. This is checked in the install.sh script, which automatically sets the SBT_OPTS environment variable if node.js is found and gives an error otherwise.
An install.sh script is provided that builds and installs all of the subprojects into the ../install_icd directory. This is basically just the command sbt stage in each project followed by copying the products to the install directory. A binary is installed for each subproject, with the same name as the subproject.
For the command line apps, the --help option prints a summary of the command line options.
The icdwebserver application starts the web app (by default on localhost:9000). You can change the port used by adding an option like this: -Dhttp.port=9876 .
To start the ICD web app on http://localhost:9000/, run icdwebserver , then go to http://localhost:9000 in a web browser.
To run as a public server, edit the provided script, icd-wed-server.sh, and change the settings (certificate, etc.) as needed for the server.
Note that the -Dicd.isPublicServer=true option hides the upload feature, which allows users to test their local changes before publishing. This option also makes the Publish tab visible.
Note that the first time you start icdwebserver , it will update the ICD database from the released versions on GitHub, which can take some time.
To start the web app with continuous compilation during development, you can type ~icdWebServer/run from the sbt shell.
The icd-git command line app lets you import subsystem model files directly from the GitHub subsystem model file repositories into a local MongoDB database for use with the icd tools. For example, to ingest all the published APIs and ICDS into the local database, use:
icd-git --ingest Note: The icd-git app will currently delete the current contents of the local ICD database before ingesting the files from the repository.
The icd web app lists the published versions of subsystem APIs and ICDs from GitHub and the model files are checked out and ingested into the database automatically as needed the first time you start the web app.
The generated subsystem APIs contain infomation about FITS keywords whose values come from event parameters. That is, an event's parameter value is the source of the FITS keyword's value. FITS keyword data is stored in three files under DMS-Model-Files on GitHub. Once DMS is published, the file should be automatically loaded by the icdwebserver or icd-git --ingest commands. Until then, the FITS keywords, channels and tags can be manually loaded into the icd database once by running (from this directory):
icd-fits -i examples/3.0/FITS-Dictionary.json --ingestChannels examples/3.0/FITS-Channels.conf --ingestTags examples/3.0/FITS-Tags.conf Alternatively you can check out and manually ingest DMS-Model-Files into the local icd database by using the Upload feature in the icd web app or with the command line:
icd-db -i DMS-Model-Files
The contents of the files are as follows:
Besides the three above files, FITS keyword information can be defined in the publish-model.conf files for each subsystem component. Event parameters can define the associated keyword as follows:
keyword = IMGDISWV
If the keyword has multiple source parameters, you can specify the channel:
keyword = IMGDISWV channel = ATM
In some more complicated cases, you can also specify multiple keywords whose values are taken from an index (or rowIndex for matrix/2d arrays) in the parameter's array values:
keywords: [ < keyword = OIWFS1PS rowIndex = 0 > < keyword = OIWFS2PS rowIndex = 1 > < keyword = OIWFS3PS rowIndex = 2 >]
The FITS keyword definitions in a subsystem's model files can be used to generate a new FITS dictionary by merging the existing FITS dictionary with the definitions in the publish model files. In this case the information from the published events overrides the information in the existing FITS dictionary:
icd-fits --subsystem IRIS --generate FITS-Dictionary.json
Or using the short form options and with a subsystem version:
icd-fits -s IRIS:1.7 -g FITS-Dictionary.json
The generated FITS dictionary JSON file can then be copied to the DMS-Model-Files repository and published, so that it will be automatically used by the icd web app and command line apps. You can also manually load the new FITS dictionary into your local icd database using the command line:
icd-fits -i FITS-Dictionary.json
description = The beam-splitter stage has an unacceptable position error, datum may be lost. This is a known bug in the Config class: See lightbend/config#367. In general, it is safer to put description text in double quotes.
See the examples/3.0 directory for some example model files. The exact syntax is defined by JSON-Schema files in src/main/resources/3.0.
It is possible to make inner-document links to existing anchors using Markdown syntax. The easiest way to see the syntax for the ids is to look at the generated HTML. For example, the output of:
icd-db -s NFIRAOS -o NFIRAOS.html (Note that the name attribute is used in the generated HTML instead of id , since the PDF generator requires that.) Many of the anchors have the following syntax:
$thisComponent-$action-$itemType-$subsystem.$component.$name For example, to link to the description of a published event named heartbeat in the lgsWfs component in the TEST subsystem:
See: [Example document internal link](#TEST.lgsWfs-publishes-Event-heartbeat). It is possible to reuse similar parts of event, command and parameter definitions by using the "ref" keyword. For example:
events = [In the above example, the event engMode2 will have the same settings and parameters as engMode , except for description and archive , which are overridden. Any fields which are not set, are inherited from the referenced event.
This works for events, commands and parameters, as show below:
parameters = [ < name = mode3 ref = engMode/parameters/mode >
In the above example, the parameter mode3 will be exactly the same as the mode parameter in the engMode event in the same component. You could also specify a different description field or any other parameter fields that should override the ones defined for mode .
The syntax of the ref value is flexible and allows you to reference any event, command or parameter in any component within the same subsystem. You can use a full path to specify a reference to an item in another component, or an abbreviated path for items in the same scope. The full syntax of a ref is something like this:
$componentName/$section/$eventName[/parametersSection/$paramName] For example, to reference an event, observe event or current state, use:
$componentName/events/$eventName or $componentName/observeEvents/$eventName or $componentName/currentState/$eventName or events/$eventName, . (if in the same component) or just $eventName (if in the same component and event type section) For commands received, the syntax is similar:
$componentName/receive/$commandName or just $commandName (if in the same component) The syntax for references to parameters of events adds the parameters keyword and the parameter name:
$componentName/events/$eventName/parameters/$paramName or abbreviated as above: observeEvents/$eventName/parameters/$paramName (in same component) or $eventName/parameters/$paramName (in same component and events section) or just $paramName (if in the same parameters section) The syntax for parameters of commands is similar. Here you need to specify if the parameters appear in the parameters section or in the resultType .
$componentName/receive/$commandName/parameters/$paramName or $componentName/receive/$commandName/resultType/$paramName or abbreviated as above. See the example model files in src/main/resources/3.0 for some examples of the ref keyword.
Note that if there is an error in the reference, the error message is displayed in the log output of the icd-db command, if it is used, and also in the generated HTML or PDF document (in the details section).
Note: An earlier version of this software used the terms "attributes" for events parameters and "args" for command parameters. These have been renamed to "parameters" for compatibility with CSW, however for backward compatibility the previous names are also allowed in refs.
Events have an optional "category" field, which can have one of the following values: