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refacator: read configuration from env variables

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This commit is contained in:
Rainer Killinger
2021-09-07 10:20:06 +02:00
parent 581e60267d
commit 377435f3eb
2 changed files with 37 additions and 11 deletions
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30
src/cli.ts
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2019 StApps
* Copyright (C) 2019-2021 StApps
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 3.
@@ -22,26 +22,38 @@ import {readFileSync} from 'fs';
import {join, resolve} from 'path';
import {MinimalPlugin} from './plugin/minimal-plugin';
const pluginVersion = JSON.parse(
readFileSync(join(__dirname, '..', 'package.json'))
.toString(),
).version;
process.on('unhandledRejection', (error) => {
throw error;
});
const pluginVersion = JSON.parse(
readFileSync(join(__dirname, '..', 'package.json'))
.toString(),
).version;
const program = new Command()
.version(pluginVersion)
.option('-b, --backend-url <string>', 'URL of the StApps backend deployment', 'http://localhost:3000')
.option('-n, --plugin-name <string>', 'The name of the plugin', 'minimal-plugin') // TODO: adjust default
.option('-r, --route-name <string>', 'The name of the route', 'minimalPlugin') // TODO: adjust default
.option('-r, --route-name <string>', 'The name of the route', 'minimalplugin') // TODO: adjust default
.option('-u, --url <string>', 'The url of the plugin', 'http://localhost') // TODO: adjust default
.option('-p, --port <number>', 'The port of the plugin', '4000') // TODO: adjust default
.parse(process.argv);
const options = program.opts();
// read essencial options from ENV variables if available
if ('STAPPS_BACKEND' in process.env && typeof process.env.STAPPS_BACKEND === 'string') {
options.backendUrl = process.env.STAPPS_BACKEND;
}
if ('PLUGIN_URL' in process.env && typeof process.env.PLUGIN_URL === 'string') {
options.url = process.env.PLUGIN_URL;
}
if ('PLUGIN_PORT' in process.env && typeof process.env.PLUGIN_PORT === 'string') {
options.port = process.env.PLUGIN_PORT;
}
// create an instance of the PluginClient
const pluginClient = new PluginClient(new HttpClient(), options.backendUrl);
@@ -52,15 +64,15 @@ const plugin = new MinimalPlugin(
new Converter(resolve(__dirname, '..', 'src', 'plugin', 'protocol')), // an instance of the converter. Required
// because your requests and response schemas are defined in the plugin. The path should lead to your request and
// response interfaces
'SCMinimalRequest', // the name of the request interface TODO: adjust
'SCMinimalResponse', // the name of the response interface TODO: adjust
'SCMinimalRequest', // TODO: adjust name of the request interface
'SCMinimalResponse', // TODO: adjust name of the response interface
JSON.parse(readFileSync(resolve(__dirname, '..', 'package.json'))
.toString()).version, // get the version of the plugin from the package.json
);
pluginClient.registerPlugin(plugin)
.then(() => {
Logger.ok('done.');
Logger.ok(`Successfully registered plugin '${options.pluginName}' on /${options.urlSegment} .`);
})
.catch((err: Error) => {
throw err;