實驗環境是VMWAER搭建一臺控制節點一臺計算節點，centos7.5,Openstack R版。
問題一：計算節點報錯
2019-10-11 18:02:38.770 43329 WARNING nova.compute.monitors [req-ecf1c7b0-7527-4d54-bd9c-8ee4a67fd20a - - - - -] Excluding nova.compute.monitors.cpu monitor virt_driver. Not in the list of enabled monitors (CONF.compute_monitors).
2019-10-11 18:02:40.437 43329 INFO nova.compute.resource_tracker [req-ecf1c7b0-7527-4d54-bd9c-8ee4a67fd20a - - - - -] Final resource view: name=openstack02.zuiyoujie.com phys_ram=2047MB used_ram=512MB phys_disk=12GB used_disk=0GB total_vcpus=1 used_vcpus=0 pci_stats=[]
2019-10-11 18:02:41.266 43329 ERROR nova.scheduler.client.report [req-ecf1c7b0-7527-4d54-bd9c-8ee4a67fd20a - - - - -] [req-6cf73c1d-f389-46e8-9bb6-f2c3a9dcaa49] Failed to retrieve resource provider tree from placement API for UUID e88fb302-1840-4900-906a-d363fcc9eb45. Got 503: {"message": "The server is currently unavailable. Please try again at a later time.<br /><br />\nThe Keystone service is temporarily unavailable.\n\n", "code": "503 Service Unavailable", "title": "Service Unavailable"}.
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager [req-ecf1c7b0-7527-4d54-bd9c-8ee4a67fd20a - - - - -] Error updating resources for node openstack02.zuiyoujie.com.: ResourceProviderRetrievalFailed: Failed to get resource provider with UUID e88fb302-1840-4900-906a-d363fcc9eb45
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager Traceback (most recent call last):
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 8000, in _update_available_resource_for_node
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager rt.update_available_resource(context, nodename)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 720, in update_available_resource
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager self._update_available_resource(context, resources)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 274, in inner
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager return f(*args, **kwargs)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 797, in _update_available_resource
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager self._update(context, cn)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/retrying.py", line 68, in wrapped_f
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager return Retrying(*dargs, **dkw).call(f, *args, **kw)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/retrying.py", line 223, in call
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager return attempt.get(self._wrap_exception)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/retrying.py", line 261, in get
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager six.reraise(self.value[0], self.value[1], self.value[2])
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/retrying.py", line 217, in call
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 959, in _update
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager self._update_to_placement(context, compute_node)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 911, in _update_to_placement
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager context, compute_node.uuid, name=compute_node.hypervisor_hostname)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/__init__.py", line 35, in __run_method
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager return getattr(self.instance, __name)(*args, **kwargs)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 1006, in get_provider_tree_and_ensure_root
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager parent_provider_uuid=parent_provider_uuid)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 668, in _ensure_resource_provider
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager rps_to_refresh = self._get_providers_in_tree(context, uuid)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 74, in wrapper
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager return f(self, *a, **k)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 535, in _get_providers_in_tree
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager raise exception.ResourceProviderRetrievalFailed(uuid=uuid)
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager ResourceProviderRetrievalFailed: Failed to get resource provider with UUID e88fb302-1840-4900-906a-d363fcc9eb45
2019-10-11 18:02:41.266 43329 ERROR nova.compute.manager
嘗試解決：已經/etc/httpd/conf.d/00-nova-placement-api.conf組態檔添加，但是任然報同樣錯。
<Directory /usr/bin>
<IfVersion >= 2.4>
Require all granted
</IfVersion>
<IfVersion < 2.4>
Order allow,deny
Allow from all
</IfVersion>
</Directory>
問題二：控制節點報錯
控制節點keystone報錯，關于token的問題我已嘗試解決，
2019-10-11 18:08:46.002 1418 WARNING keystone.common.wsgi [req-6e6a4960-8bf0-4227-9ba1-43e96168069b - - - - -] Authorization failed. The request you have made requires authentication. from 192.168.108.100: Unauthorized: The request you have made requires authentication.
運行openstack compute service list，回傳
The server is currently unavailable. Please try again at a later time.<br /><br />
The Keystone service is temporarily unavailable.
(HTTP 503) (Request-ID: req-f5862c10-873e-4b4e-be06-48c9d00c5577)
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