compute: Lists and gets detailed availability zone information

[dixudx]

For #320

Links to the line numbers/files in the OpenStack source code that support the
code in this PR:

• /os-availability-zone:
  • api doc
  • nova/api/openstack/compute/availability_zone.py#L48-L58
• /os-availability-zone/detail:
  • api doc
  • nova/api/openstack/compute/availability_zone.py#L60-L105

[coveralls]

Coverage increased (+0.06%) to 69.628% when pulling 2634be5 on dixudx:compute_availability_zones into 9a5595b on gophercloud:master.

[jtopjian]

@dixudx Is this something you're still working on? I took a look and the JSON structure you have in the testing fixture is incorrect -- it's missing the hostname object under hosts. hosts is composed of individual hosts, which are then composed of nova services. Here's the output from my test server:

{                                                                    
    "availabilityZoneInfo": [                                        
        {                                                            
            "hosts": {                                               
                "packstack-standard-ocata.novalocal": {              
                    "nova-cert": {                                   
                        "active": true,                              
                        "available": true,                           
                        "updated_at": "2017-06-02T05:31:57.000000"   
                    },                                               
                    "nova-conductor": {                              
                        "active": true,                              
                        "available": true,                           
                        "updated_at": "2017-06-02T05:31:52.000000"   
                    },                                               
                    "nova-consoleauth": {                            
                        "active": true,                              
                        "available": true,                           
                        "updated_at": "2017-06-02T05:31:56.000000"   
                    },                                               
                    "nova-scheduler": {                              
                        "active": true,                              
                        "available": true,                           
                        "updated_at": "2017-06-02T05:31:52.000000"   
                    }                                                
                }                                                    
            },                                                       
            "zoneName": "internal",                                  
            "zoneState": {                                           
                "available": true                                    
            }                                                        
        },                                                           
        {                                                            
            "hosts": {                                               
                "packstack-standard-ocata.novalocal": {              
                    "nova-compute": {                                
                        "active": true,                              
                        "available": true,                           
                        "updated_at": "2017-06-02T05:31:51.000000"   
                    }                                                
                }                                                    
            },                                                       
            "zoneName": "nova",                                      
            "zoneState": {                                           
                "available": true                                    
            }                                                        
        }                                                            
    ]                                                                
}                                                                    

[dixudx]

@jtopjian Will still work on this. Yeah, you're right. The host information is comprised of host and service objects.

[jtopjian]

Superseded by #704