briareus/lib/taskDefinitionValidator.js

Briareus assists with Feature Branch deploys to ECS

'use strict';

const _ = require('lodash');
const ecsTaskDefinitionValidator = require('ecs-task-definition-validator');

function taskDefinitionSchemaModification(schema) {
  if (schema.id !== '/taskDefinition') return schema;

  // Family is computed by Briareus, thus unnecessary to provide in
  // the Task Definition
  let familyIndex = schema.required.indexOf('family');
  schema.required.splice(familyIndex, 1);
  return schema;
}

module.exports = function (taskDefinition) {
  let result = ecsTaskDefinitionValidator(taskDefinition, taskDefinitionSchemaModification);

  if (result.errors.length > 0) {
    let messages = _.map(result.errors, 'message').join(") (");
    return new Error(`ECS Task Definition validation failed. Messages: (${messages})`);
  }
}