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nova show hostId

글쓴이 : 최고관리자 날짜 : 2017-04-11 (화) 15:43 조회 : 3348

hostID 생성방식

Project ID 와 HypervisorName 해쉬로 이루어진다.
Mitaka

# vim /usr/lib/python2.7/dist-packages/nova/api/openstack/compute/views/servers.py
........................
    @staticmethod
    def _get_host_id(instance):
        host = instance.get("host")
        project = str(instance.get("project_id"))
        if host:
            sha_hash = hashlib.sha224(project + host)
            return sha_hash.hexdigest()

https://lists.launchpad.net/openstack/msg03231.html

https://ask.openstack.org/en/question/6477/what-is-the-hostid-parameter-in-server-details/

# nova list

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

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

| e1f06dd8-196a-4a97-abf5-8441a3170698 | jyh | SUSPENDED | - | Shutdown | jyh1=192.168.1.22, 115.68.211.199 |

| 14b23ecc-3d70-4a68-9c22-c07d885c8bd3 | jyh2 | SUSPENDED | - | Shutdown | jyh1=192.168.1.21, 115.68.211.200 |

| 31d99da4-80b2-4dc0-9810-6120bddeea7a | jyh3 | SUSPENDED | - | Shutdown | jyh1=192.168.1.26, 115.68.211.203 |

| 0f5e78e6-01ff-4158-85a8-e435b3b0b213 | jyh4 | SUSPENDED | - | Shutdown | jyh1=192.168.1.29, 115.68.211.206 |

| 1acaaf44-f25e-4ac6-854a-844d78d03247 | jyh5 | ACTIVE | - | Running | jyh1=192.168.1.35 |

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

# nova show 14b23ecc-3d70-4a68-9c22-c07d885c8bd3 |grep hostId

| hostId | 10695a0853e18d84d0902368341b5c8942aa56ce56b24f6ff284e93b |

# nova show 31d99da4-80b2-4dc0-9810-6120bddeea7a |grep hostId

| hostId | 10695a0853e18d84d0902368341b5c8942aa56ce56b24f6ff284e93b |

# nova show 0f5e78e6-01ff-4158-85a8-e435b3b0b213 |grep hostId

| hostId | c63a9380e81c195190af9f6aacf9e42b6312496634c119a25b25762a |

# nova show e1f06dd8-196a-4a97-abf5-8441a3170698 |grep hostId

| hostId | c63a9380e81c195190af9f6aacf9e42b6312496634c119a25b25762a |

# nova show 14b23ecc-3d70-4a68-9c22-c07d885c8bd3 |grep hl

| OS-EXT-SRV-ATTR:host | hl-210-47 |

| OS-EXT-SRV-ATTR:hypervisor_hostname | hl-210-47 |

# nova show 31d99da4-80b2-4dc0-9810-6120bddeea7a |grep hl

| OS-EXT-SRV-ATTR:host | hl-210-47 |

| OS-EXT-SRV-ATTR:hypervisor_hostname | hl-210-47 |

# nova show 0f5e78e6-01ff-4158-85a8-e435b3b0b213 |grep hl

| OS-EXT-SRV-ATTR:host | hl-210-46 |

| OS-EXT-SRV-ATTR:hypervisor_hostname | hl-210-46 |

# nova show e1f06dd8-196a-4a97-abf5-8441a3170698 |grep hl

| OS-EXT-SRV-ATTR:host | hl-210-46 |

| OS-EXT-SRV-ATTR:hypervisor_hostname | hl-210-46 |

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