// testNamespace starts a worker and ensures that // the rsyslog config file has the expected filename, // and the appropriate log dir is used. func (s *RsyslogSuite) testNamespace(c *gc.C, st *api.State, tag, namespace, expectedFilename, expectedLogDir string) { restarted := make(chan struct{}, 2) // once for create, once for teardown s.PatchValue(rsyslog.RestartRsyslog, func() error { restarted <- struct{}{} return nil }) err := os.MkdirAll(expectedLogDir, 0755) c.Assert(err, gc.IsNil) worker, err := rsyslog.NewRsyslogConfigWorker(st.Rsyslog(), rsyslog.RsyslogModeForwarding, tag, namespace, []string{"0.1.2.3"}) c.Assert(err, gc.IsNil) defer func() { c.Assert(worker.Wait(), gc.IsNil) }() defer worker.Kill() // change the API HostPorts to trigger an rsyslog restart newHostPorts := network.AddressesWithPort(network.NewAddresses("127.0.0.1"), 6541) err = s.State.SetAPIHostPorts([][]network.HostPort{newHostPorts}) c.Assert(err, gc.IsNil) // Wait for rsyslog to be restarted, so we can check to see // what the name of the config file is. waitForRestart(c, restarted) // Ensure that ca-cert.pem gets written to the expected log dir. waitForFile(c, filepath.Join(expectedLogDir, "ca-cert.pem")) dir, err := os.Open(*rsyslog.RsyslogConfDir) c.Assert(err, gc.IsNil) names, err := dir.Readdirnames(-1) dir.Close() c.Assert(err, gc.IsNil) c.Assert(names, gc.HasLen, 1) c.Assert(names[0], gc.Equals, expectedFilename) }