nova.compute.manager ValueError

admin

ERROR nova.compute.manager ValueError: failed to detect a valid IP address from 'compute'
6 w- U/ n! v. M- ~8 f" [6 h遇到的完整报错如下：
2017-10-21 21:03:46.781 26219 ERROR nova.compute.manager [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - - - -] No com
pute node record for host compute
1 Y- I4 q' O" Y' [: w( o- B7 t. h4 n2017-10-21 21:03:47.134 26219 WARNING nova.compute.resource_tracker [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - -
- -] No compute node record for compute:compute
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager [req-243abb92-155d-42a7-b5ec-4c767dffaa36 - - - - -] Error
4 Q3 W& s0 r4 |2 d6 T9 Vupdating resources for node compute.
, S5 F( ]8 i, Y' M) i, D$ z! X2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager Traceback (most recent call last):
" k7 Z2 d7 S( s9 i* l2017-10-21 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
1 e& T- T$ R1 T( W" |2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     rt.update_available_resource(context, nodename)
6 k% Y! t3 N8 s: i) k+ Q; s* P2017-10-21 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) i2 a1 b4 g8 c8 ]: B2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     self._update_available_resource(context, resources)
. o0 m7 ^; ~: \% c8 E+ b2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_concurrency/l
ockutils.py", line 271, in inner
7 k: }+ A3 I, D2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     return f(*args, **kwargs)
0 `6 F6 K- s/ [2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resou
; e/ E: u$ H- B, Y9 p3 F3 W0 Orce_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
  s, l0 ^6 N7 q! {rce_tracker.py", line 456, in _init_compute_node
* F: k& W6 {' h2017-10-21 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
rce_tracker.py", line 491, in _copy_resources
3 J! \( G$ M/ `0 X6 `2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     compute_node.update_from_virt_driver(resources)
2017-10-21 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
3 |/ e: \7 }2 Y: X  l2017-10-21 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
cts/base.py", line 72, in setter
- {6 G; ?3 h8 q, l$ L2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     field_value = field.coerce(self, name, value)
8 s8 s: B3 Q! b! N2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_versionedobje
* H  W8 B  W9 L$ {* Hcts/fields.py", line 195, in coerce
" n3 k( K4 T0 v2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager     return self._type.coerce(obj, attr, value)
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))
& |4 B/ t( y1 @7 q2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager ValueError: failed to detect a valid IP address from 'compu
te'
2017-10-21 21:03:47.135 26219 ERROR nova.compute.manager

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2 Q' n/ K, {- q, ^
检查计算节点nova.conf文件my_ip是否写对：
  my_ip = 本地ip地址

- v6 R  }4 c& Y, q) m" X& m写成本地IP地址，就不再报错。
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2 b; L8 T' H8 s' l. u5 L   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？
0 U( s: L+ j  R) ]: e

admin

ping compute
/ S+ c- r8 z4 w) g0 tPING compute (192.168.2.2) 56(84) bytes of data.
! d. q8 U, [- ?. V$ V2 K* O8 n64 bytes from compute (192.168.2.2): icmp_seq=1 ttl=64 time=0.077 ms
  {$ }7 m( N; {4 i9 N, ?# O64 bytes from compute (192.168.2.2): icmp_seq=2 ttl=64 time=0.039 ms
# z9 u+ K5 M. {1 C0 N  Vc64 bytes from compute (192.168.2.2): icmp_seq=3 ttl=64 time=0.053 ms
! @; d0 C# \" B( K; p( _64 bytes from compute (192.168.2.2): icmp_seq=4 ttl=64 time=0.041 ms
, i0 {0 |: ^! O
( y, v4 h: X3 Y0 K7 b3 B
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
, `8 n) O# u6 `
% r0 [# y* x2 O0 N; R[root@controller ~]# openstack hypervisor list
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8 b; f6 D$ ?  j7 j# ~7 r! I8 F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：
: y4 d) B9 F" p! I
3 ?2 m- {; G; ~6 p* eNote: 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.

( o& A' }9 v4 S( J) t, n/ M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。


修改计算节点的配置之后，发现 openstack hypervisor list 获取到结果了。
3 t  K: o) F; e

# 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。
/ y: \* }; Y% Q% f1 {" V- _2017-10-21 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=[]
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欢迎大家一起讨论。
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