There are likely failures in the nova-compute and/or nova-conductor
logs, you would need to dig through those logs (or attach them) to help
diagnose the reason for the build failures.

** Changed in: nova
       Status: New => Invalid

-- 
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1758112

Title:
  Unable to launch Centos/CirrOS instance

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  Whenever I try to launch an instance (Centos or CirrOS), it fails with
  an Error

  
  fault                                | {"message": "Exceeded maximum number 
of retries. Exhausted all hosts available for retrying build failures for 
instance 1f2bdbed-4a34-4ca3-93ed-5a8e0245609e.", "code": 500, "details": "  
File \"/usr/lib/python2.7/site-packages/nova/conductor/manager.py\", line 580, 
in build_instances 

  
  nova show CirrOS-2
  
+--------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  | Property                             | Value                                
                                                                                
                                                                                
                                                                                
        |
  
+--------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  | OS-DCF:diskConfig                    | MANUAL                               
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-AZ:availability_zone          | nova                                 
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:host                 | -                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:hostname             | cirros-2                             
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:hypervisor_hostname  | -                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:instance_name        | instance-00000008                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:kernel_id            |                                      
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:launch_index         | 0                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:ramdisk_id           |                                      
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:reservation_id       | r-qrjz6933                           
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:root_device_name     | /dev/vda                             
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-SRV-ATTR:user_data            | -                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-STS:power_state               | 0                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-STS:task_state                | -                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-EXT-STS:vm_state                  | error                                
                                                                                
                                                                                
                                                                                
        |
  | OS-SRV-USG:launched_at               | -                                    
                                                                                
                                                                                
                                                                                
        |
  | OS-SRV-USG:terminated_at             | -                                    
                                                                                
                                                                                
                                                                                
        |
  | accessIPv4                           |                                      
                                                                                
                                                                                
                                                                                
        |
  | accessIPv6                           |                                      
                                                                                
                                                                                
                                                                                
        |
  | config_drive                         |                                      
                                                                                
                                                                                
                                                                                
        |
  | created                              | 2018-03-22T16:55:31Z                 
                                                                                
                                                                                
                                                                                
        |
  | description                          | CirrOS-2                             
                                                                                
                                                                                
                                                                                
        |
  | fault                                | {"message": "Exceeded maximum number 
of retries. Exhausted all hosts available for retrying build failures for 
instance 1f2bdbed-4a34-4ca3-93ed-5a8e0245609e.", "code": 500, "details": "  
File \"/usr/lib/python2.7/site-packages/nova/conductor/manager.py\", line 580, 
in build_instances |
  |                                      |     raise 
exception.MaxRetriesExceeded(reason=msg)                                        
                                                                                
                                                                                
                                   |
  |                                      | ", "created": 
"2018-03-22T16:55:46Z"}                                                         
                                                                                
                                                                                
                               |
  | flavor:disk                          | 1                                    
                                                                                
                                                                                
                                                                                
        |
  | flavor:ephemeral                     | 0                                    
                                                                                
                                                                                
                                                                                
        |
  | flavor:extra_specs                   | {}                                   
                                                                                
                                                                                
                                                                                
        |
  | flavor:original_name                 | m1.tiny                              
                                                                                
                                                                                
                                                                                
        |
  | flavor:ram                           | 512                                  
                                                                                
                                                                                
                                                                                
        |
  | flavor:swap                          | 0                                    
                                                                                
                                                                                
                                                                                
        |
  | flavor:vcpus                         | 1                                    
                                                                                
                                                                                
                                                                                
        |
  | hostId                               |                                      
                                                                                
                                                                                
                                                                                
        |
  | host_status                          |                                      
                                                                                
                                                                                
                                                                                
        |
  | id                                   | 1f2bdbed-4a34-4ca3-93ed-5a8e0245609e 
                                                                                
                                                                                
                                                                                
        |
  | image                                | CirrOS 
(46c0cbff-2e40-4913-b021-bf6b82a188b9)                                          
                                                                                
                                                                                
                                      |
  | key_name                             | MyOpenstack                          
                                                                                
                                                                                
                                                                                
        |
  | locked                               | False                                
                                                                                
                                                                                
                                                                                
        |
  | metadata                             | {}                                   
                                                                                
                                                                                
                                                                                
        |
  | name                                 | CirrOS-2                             
                                                                                
                                                                                
                                                                                
        |
  | os-extended-volumes:volumes_attached | []                                   
                                                                                
                                                                                
                                                                                
        |
  | status                               | ERROR                                
                                                                                
                                                                                
                                                                                
        |
  | tags                                 | []                                   
                                                                                
                                                                                
                                                                                
        |
  | tenant_id                            | a8828be48cd546ceaaddf379718c2b7b     
                                                                                
                                                                                
                                                                                
        |
  | updated                              | 2018-03-22T16:55:46Z                 
                                                                                
                                                                                
                                                                                
        |
  | user_id                              | 6818b527adb8490386c921aaed1be1aa     
                                                                                
                                                                                
                                                                                
        |

  
  Please help to resolve the issue.

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