nova.compute.manager ValueError

admin

ERROR nova.compute.manager ValueError: failed to detect a valid IP address from 'compute'
- x3 I# Z# b2 i+ K: R8 d. L遇到的完整报错如下：
; P) ?, H$ @6 ~: _( j7 ~! A# k3 s2017-10-21 21:03:46.781 26219 ERROR nova.compute.manager [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - - - -] No com
; ]1 S! U" t( n( Vpute node record for host compute
2017-10-21 21:03:47.134 26219 WARNING nova.compute.resource_tracker [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - -
& Q# q" U' S2 O) m* u- -] No compute node record for compute:compute
0 E- J6 D: w" x+ z) o2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - - - -] Error
updating resources for node compute.
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager Traceback (most recent call last):
. ~0 C( w, K! c& o6 O& E2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/manag
er.py", line 6571, in update_available_resource_for_node
5 v5 L. Q2 J0 Z! O" J2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     rt.update_available_resource(context, nodename)
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resou
rce_tracker.py", line 551, in update_available_resource
) p# r+ S. x& T  x- ^1 ]* k; r) p2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     self._update_available_resource(context, resources)
( O" W' [) |) S2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_concurrency/l
$ G* a* H6 C9 }( b" Y/ bockutils.py", line 271, in inner
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     return f(*args, **kwargs)
/ g" W$ v( }! J3 i2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resou
rce_tracker.py", line 575, in _update_available_resource
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     self._init_compute_node(context, resources)
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resou
rce_tracker.py", line 456, in _init_compute_node
5 P$ r' N3 J$ a+ Z2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     self._copy_resources(cn, resources)
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resou
% A/ l( m# |6 F- F* Y% f/ a! irce_tracker.py", line 491, in _copy_resources
: M( r& u0 {4 c! _2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     compute_node.update_from_virt_driver(resources)
- Z; N$ p8 _! G2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/objects/compu
te_node.py", line 338, in update_from_virt_driver
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     setattr(self, key, resources[key])
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_versionedobje
& i# }# o6 t( ]cts/base.py", line 72, in setter
6 C5 O+ R; x5 Z/ Q0 r6 U; v8 a; P+ Q2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     field_value = field.coerce(self, name, value)
4 F! j  E- c8 E, G2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_versionedobje
cts/fields.py", line 195, in coerce
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     return self._type.coerce(obj, attr, value)
7 A! O1 i" X1 T! L4 |2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_versionedobje
cts/fields.py", line 497, in coerce
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     raise ValueError(six.text_type(e))
$ h, @( i5 r* t/ [! o& z. W2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager ValueError: failed to detect a valid IP address from 'compu
$ Q! @- M+ T( M: h' v$ j( nte'
3 L' i4 Y) k* V% l0 Q2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager
: N( U4 b4 u7 q, D" j
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, h, A* N: m5 f
; u* b% M. n9 l/ ~检查计算节点nova.conf文件my_ip是否写对：
  my_ip = 本地ip地址
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写成本地IP地址，就不再报错。

6 p- S- R, z" [3 [   这个地方有些不完美，我明明写了hosts域名解析了，为什么不解析呢？
7 _1 C( [$ @" ]% `  r/ d0 k6 N4 r

admin

ping compute
PING compute (192.168.2.2) 56(84) bytes of data.
5 ^/ i6 E' @: c. h8 p3 c64 bytes from compute (192.168.2.2): icmp_seq=1 ttl=64 time=0.077 ms
; d8 A# b) ~9 H% j. `64 bytes from compute (192.168.2.2): icmp_seq=2 ttl=64 time=0.039 ms
c64 bytes from compute (192.168.2.2): icmp_seq=3 ttl=64 time=0.053 ms
64 bytes from compute (192.168.2.2): icmp_seq=4 ttl=64 time=0.041 ms

1 l3 P# k' h$ v
; N  k) e$ y- F6 x+ z这个my_ip理论来讲应该是写compute这个地址也是对的，可是偏偏报了一大堆的错误，实在难解释。

admin

[root@controller ~]# openstack hypervisor list

7 C! O% R/ ~0 }# {. g[root@controller ~]# openstack hypervisor list

& H2 d$ s; X. `# D" P% n2 u# w怎么都不显示，以为自己的配置有问题，从头到尾的再弄了一遍，还是这个问题，看到原始文档，发现有个说：

! C3 _5 O8 y- Y# h8 Y# ^* nNote: If the nova-compute service fails to start, check /var/log/nova/nova-compute.log. The error messageAMQP server on controller:5672 is unreachable likelyindicatesthatthefirewallonthecontroller node is preventing access to port 5672. Configure the firewall to open port 5672 on the controller node and restart nova-compute service on the compute node.

, H- h, ~6 u; D: B3 ]6 I以为是nova里的配置文件中有rabbitmq配置有问题，结果不是，发现是compute的这个域名不能解析，bug不合理的地方。控制节点都没有问题的，不知道怎么解释。
# g. r( b7 u2 u. {$ ]
0 f7 P+ N0 l/ R# P
修改计算节点的配置之后，发现 openstack hypervisor list 获取到结果了。

# openstack hypervisor list

+----+---------------------+-----------------+---------------+-------+

| ID | Hypervisor Hostname | Hypervisor Type| Host IP       | State |

+----+---------------------+-----------------+---------------+-------+

|  1 |compute         | QEMU            | 192.168.0.13 | up    |

+----+---------------------+-----------------+---------------+-------+

admin

问题总算解决了 ，获取到结果已经很不错了，compute.log日志也不在报错了。
( Q$ t" ]% W1 S0 i2017-10-21 21:19:29.765 26377 INFO nova.compute.resource_tracker [req-c0e8a3ec-87a8-452c-96d0-d666c4f83205 - - - - -] Final resource view: name=compute phys_ram=65502MB used_ram=512MB phys_disk=10022GB used_disk=0GB total_vcpus=32 used_vcpus=0 pci_stats=[]
/ l; E+ u  D7 }" x# j( L; J. Y
( A6 I0 v2 p9 h" R/ d' O欢迎大家一起讨论。
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