<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-15">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Buongiorno a tutti!</p>
    <p>Premetto che sto iniziando ora a conoscere OpenStack; ho seguito
      le istruzioni riportate sul sito RedHat[1] per installare
      PackStack in una installazione "all in one" (quindi controller e
      compute nodes sulla stessa macchina).</p>
    <p>Al termine dell'installazione, server riavviato, tramite la
      dashboard lancio una istanza nova di prova (cirros) ottenendo un
      errore 500 ("No valid host found"):</p>
    <p> </p>
    <p><dt><tt>Message</tt><tt> - No valid host was found. </tt></dt>
      <dt><tt>Code</tt><tt> - 500</tt> </dt>
      <dt><tt>Details</tt><tt> - File
          "/usr/lib/python2.7/site-packages/nova/conductor/manager.py",
          line 1346, in schedule_and_build_instances instance_uuids,
          return_alternates=True) File
          "/usr/lib/python2.7/site-packages/nova/conductor/manager.py",
          line 800, in _schedule_instances
          return_alternates=return_alternates) File
          "/usr/lib/python2.7/site-packages/nova/scheduler/client/query.py",
          line 42, in select_destinations instance_uuids,
          return_objects, return_alternates) File
          "/usr/lib/python2.7/site-packages/nova/scheduler/rpcapi.py",
          line 160, in select_destinations return cctxt.call(ctxt,
          'select_destinations', **msg_args) File
          "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py",
          line 178, in call retry=self.retry) File
          "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py",
          line 128, in _send retry=retry) File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
          line 645, in send call_monitor_timeout, retry=retry) File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py",
          line 636, in _send raise result
        </tt></dt>
    </p>
    <p>Noto una cosa nella popup "Launch instance": "Availability zones:
      <span class="ng-scope">There are no Availability Zones."</span></p>
    <p><span class="ng-scope">Nota: Da CLI col comando:</span></p>
    <p><tt><span class="ng-scope"># openstack availability zone list</span></tt></p>
    <p><span class="ng-scope"><tt>+-----------+-------------+</tt><tt><br>
        </tt><tt>| Zone Name | Zone Status |</tt><tt><br>
        </tt><tt>+-----------+-------------+</tt><tt><br>
        </tt><tt>| internal  | available   |</tt><tt><br>
        </tt><tt>| nova      | available   |</tt><tt><br>
        </tt><tt>+-----------+-------------+</tt><br>
      </span></p>
    <p>Un'altra cosa che noto è che la dashboard è incredibilmente
      lenta: Avevo già installato sulla stessa macchina devstack ed era
      molto più reattiva: Sintomo di altre cose che non vanno?</p>
    <p>Grazie a chiunque possa essermi d'aiuto a risolvere il problema.<br>
    </p>
    <p>Francesco<br>
    </p>
    <p><br>
    </p>
    <p>[1] <a class="moz-txt-link-freetext" href="https://www.rdoproject.org/install/packstack/">https://www.rdoproject.org/install/packstack/</a><br>
    </p>
  </body>
</html>