80 lines
4.1 KiB
JavaScript
80 lines
4.1 KiB
JavaScript
/**
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* Seed Function
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* (sails.config.bootstrap)
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*
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* A function that runs just before your Sails app gets lifted.
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* > Need more flexibility? You can also create a hook.
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*
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* For more information on seeding your app with fake data, check out:
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* https://sailsjs.com/config/bootstrap
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*/
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module.exports.bootstrap = async function() {
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// Import dependencies
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var path = require('path');
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// This bootstrap version indicates what version of fake data we're dealing with here.
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var HARD_CODED_DATA_VERSION = 0;
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// This path indicates where to store/look for the JSON file that tracks the "last run bootstrap info"
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// locally on this development computer (if we happen to be on a development computer).
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var bootstrapLastRunInfoPath = path.resolve(sails.config.appPath, '.tmp/bootstrap-version.json');
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// Whether or not to continue doing the stuff in this file (i.e. wiping and regenerating data)
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// depends on some factors:
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// If the hard-coded data version has been incremented, or we're being forced
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// (i.e. `--drop` or `--environment=test` was set), then run the meat of this
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// bootstrap script to wipe all existing data and rebuild hard-coded data.
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if (sails.config.models.migrate !== 'drop' && sails.config.environment !== 'test') {
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// If this is _actually_ a production environment (real or simulated), or we have
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// `migrate: safe` enabled, then prevent accidentally removing all data!
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if (process.env.NODE_ENV==='production' || sails.config.models.migrate === 'safe') {
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sails.log('Since we are running with migrate: \'safe\' and/or NODE_ENV=production (in the "'+sails.config.environment+'" Sails environment, to be precise), skipping the rest of the bootstrap to avoid data loss...');
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return;
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}//•
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// Compare bootstrap version from code base to the version that was last run
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var lastRunBootstrapInfo = await sails.helpers.fs.readJson(bootstrapLastRunInfoPath)
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.tolerate('doesNotExist');// (it's ok if the file doesn't exist yet-- just keep going.)
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if (lastRunBootstrapInfo && lastRunBootstrapInfo.lastRunVersion === HARD_CODED_DATA_VERSION) {
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sails.log('Skipping v'+HARD_CODED_DATA_VERSION+' bootstrap script... (because it\'s already been run)');
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sails.log('(last run on this computer: @ '+(new Date(lastRunBootstrapInfo.lastRunAt))+')');
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return;
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}//•
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sails.log('Running v'+HARD_CODED_DATA_VERSION+' bootstrap script... ('+(lastRunBootstrapInfo ? 'before this, the last time the bootstrap ran on this computer was for v'+lastRunBootstrapInfo.lastRunVersion+' @ '+(new Date(lastRunBootstrapInfo.lastRunAt)) : 'looks like this is the first time the bootstrap has run on this computer')+')');
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}
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else {
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sails.log('Running bootstrap script because it was forced... (either `--drop` or `--environment=test` was used)');
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}
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// Since the hard-coded data version has been incremented, and we're running in
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// a "throwaway data" environment, delete all records from all models.
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for (let identity in sails.models) {
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await sails.models[identity].destroy({});
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}//∞
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// By convention, this is a good place to set up fake data during development.
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await User.createEach([
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{ emailAddress: 'admin@example.com', fullName: 'Ryan Dahl', isSuperAdmin: true, password: await sails.helpers.passwords.hashPassword('abc123') },
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]);
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// Save new bootstrap version
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await sails.helpers.fs.writeJson.with({
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destination: bootstrapLastRunInfoPath,
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json: {
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lastRunVersion: HARD_CODED_DATA_VERSION,
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lastRunAt: Date.now()
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},
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force: true
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})
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.tolerate((err)=>{
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sails.log.warn('For some reason, could not write bootstrap version .json file. This could be a result of a problem with your configured paths, or, if you are in production, a limitation of your hosting provider related to `pwd`. As a workaround, try updating app.js to explicitly pass in `appPath: __dirname` instead of relying on `chdir`. Current sails.config.appPath: `'+sails.config.appPath+'`. Full error details: '+err.stack+'\n\n(Proceeding anyway this time...)');
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});
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};
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