consul/ui-v2/app/services/repository/discovery-chain.js

import { inject as service } from '@ember/service';
import { get, set } from '@ember/object';
import RepositoryService from 'consul-ui/services/repository';

const modelName = 'discovery-chain';
const ERROR_MESH_DISABLED = 'Connect must be enabled in order to use this endpoint';
export default RepositoryService.extend({
  dcs: service('repository/dc'),
  getModelName: function() {
    return modelName;
  },
  findBySlug: function(slug, dc, nspace, configuration = {}) {
    const datacenter = this.dcs.peekOne(dc);
    if (datacenter !== null && !get(datacenter, 'MeshEnabled')) {
      return Promise.resolve();
    }
    return this._super(...arguments).catch(e => {
      const code = get(e, 'errors.firstObject.status');
      const body = get(e, 'errors.firstObject.detail').trim();
      switch (code) {
        case '500':
          if (datacenter !== null && body.endsWith(ERROR_MESH_DISABLED)) {
            set(datacenter, 'MeshEnabled', false);
          }
          return;
        default:
          throw e;
      }
    });
  },
});