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Add a script that generates a liquibase changelog. Should be internal.

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This commit is contained in:
Jari Bakken 2014-10-20 18:22:29 +02:00
parent e4b31d5570
commit 5a670e8bea
3 changed files with 62 additions and 2 deletions
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10
unleash-server/README.md
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@ -1,7 +1,7 @@
# unleash-server
unleash-server is a place to ask for the status of features.
# Important commands:
## Important commands:
```
// Set up DB
@ -20,3 +20,11 @@ http://localhost:4242/features
// Execute tests:
npm test
```
## Making a schema change
1. Create `migrations/sql/NNN-your-migration-name.up.sql` with your change in SQL.
2. Create `migrations/sql/NNN-your-migration-name.down.sql` with the rollback of your change in SQL.
3. Run `db-migrate create your-migration-name` and edit the generated file to run the above SQL files.
4. Run `npm run db-migrate-up`.
5. Generate LB artifact using `scripts/generate-liquibase-artifact` (TODO: make this internal)

3
unleash-server/package.json
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@ -45,6 +45,7 @@
"jshint": "2.5.2",
"mocha": "1.20.1",
"supertest": "0.13.0",
"supervisor": "~0.6.0"
"supervisor": "~0.6.0",
"xmlbuilder": "^2.4.4"
}
}

51
unleash-server/scripts/generate-liquibase-artifact.js Executable file
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@ -0,0 +1,51 @@
#!/usr/bin/env node
// TODO: move this to somewhere internal
var builder = require('xmlbuilder');
var util = require('util');
var path = require('path');
var fs = require('fs');
var sqlRoot = path.resolve(__dirname, '../migrations/sql');
var encoding = 'UTF-8';
var changeLog = builder.create('databaseChangeLog').dec('1.0', encoding);
changeLog.att('xmlns', 'http://www.liquibase.org/xml/ns/dbchangelog');
changeLog.att('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
changeLog.att('xmlns:ext', 'http://www.liquibase.org/xml/ns/dbchangelog-ext');
changeLog.att('xsi:schemaLocation',
'http://www.liquibase.org/xml/ns/dbchangelog ' +
'http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd ' +
'http://www.liquibase.org/xml/ns/dbchangelog-ext ' +
'http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd');
fs.readdir(sqlRoot, function (err, files) {
if (err) { throw err; }
var changes = {};
files.forEach(function (sqlFile) {
var match = sqlFile.match(/(.+?)\.(up|down)\.sql/);
if (!match) {
throw util.format('invalid sql file name, missing up|down: %s', sqlFile);
}
var name = match[1];
var direction = match[2];
changes[name] = changes[name] || {};
changes[name][direction] = fs.readFileSync(path.resolve(sqlRoot, sqlFile), {encoding: encoding});
});
Object.keys(changes).forEach(function (name) {
var change = changes[name];
var el = changeLog.ele('changeSet', {id: name});
el.ele('sql', {}, change.up);
el.ele('rollback', {}, change.down);
});
util.puts(changeLog.end({pretty: true}));
});