Failed to launch instance - queens

[Nilesh]

* Overcloud configuration

 ~~~
 ~~~
 undercloud_memory: 10240
 control_memory: 10000
 compute_memory: 4048
 ~~~
 ~~~

 [stack@undercloud ~]$ source stackrc
 (undercloud) [stack@undercloud ~]$

 (undercloud) [stack@undercloud ~]$ nova list
 +--------------------------------------+-------------------------+--------+------------+-------------+------------------------+
 | ID | Name | Status | Task State | Power State | Networks |
 +--------------------------------------+-------------------------+--------+------------+-------------+------------------------+
 | dc01a343-3c0a-4758-931b-739fdddbc090 | overcloud-controller-0 | ACTIVE | - | Running | ctlplane=192.168.24.8 |
 | 7ec065d9-28d9-43ba-9f63-38cc43a661dc | overcloud-novacompute-0 | ACTIVE | - | Running | ctlplane=192.168.24.13 |
 +--------------------------------------+-------------------------+--------+------------+-------------+------------------------+
 (undercloud) [stack@undercloud ~]$

 (undercloud) [stack@undercloud ~]$ source overcloudrc
 (overcloud) [stack@undercloud ~]$

 ~~~
 (overcloud) [stack@undercloud ~]$ nova hypervisor-stats
 +----------------------+-------+
 | Property | Value |
 +----------------------+-------+
 | count | 1 |
 | current_workload | 0 |
 | disk_available_least | 43 |
 | free_disk_gb | 49 |
 | free_ram_mb | -49 |
 | local_gb | 49 |
 | local_gb_used | 0 |
 | memory_mb | 4047 |
 | memory_mb_used | 4096 |
 | running_vms | 0 |
 | vcpus | 2 |
 | vcpus_used | 0 |
 +----------------------+-------+
 (overcloud) [stack@undercloud ~]$
 ~~~

* ^^ Failed to launch instance

* Even though I have enough resources on compute node.

### NEW TEST ###

* Same hardware (server)

* Tune overcloud config

 ~~~
 undercloud_memory: 10240
 control_memory: 10000
 compute_memory: 10000
 ~~~

 (undercloud) [stack@undercloud ~]$ source overcloudrc
 (overcloud) [stack@undercloud ~]$
 (overcloud) [stack@undercloud ~]$
 (overcloud) [stack@undercloud ~]$
 (overcloud) [stack@undercloud ~]$ nova hypervisor-stats
 +----------------------+-------+
 | Property | Value |
 +----------------------+-------+
 | count | 1 |
 | current_workload | 0 |
 | disk_available_least | 43 |
 | free_disk_gb | 49 |
 | free_ram_mb | 5903 |
 | local_gb | 49 |
 | local_gb_used | 0 |
 | memory_mb | 9999 |
 | memory_mb_used | 4096 |
 | running_vms | 0 |
 | vcpus | 2 |
 | vcpus_used | 0 |
 +----------------------+-------+
 (overcloud) [stack@undercloud ~]$

 (overcloud) [stack@undercloud ~]$ nova list
 +--------------------------------------+----------------------------+--------+------------+-------------+-------------------------------------+
 | ID | Name | Status | Task State | Power State | Networks |
 +--------------------------------------+----------------------------+--------+------------+-------------+-------------------------------------+
 | ec1a0101-ed91-4eb7-9e89-5452ed9d2f3b | cirros_2018-04-26_06-23-49 | ACTIVE | - | Running | private=10.10.10.8, 192.168.124.153 |
 +--------------------------------------+----------------------------+--------+------------+-------------+-------------------------------------+
 (overcloud) [stack@undercloud ~]$

* Change compute memory able to launch instance.

[Takashi Natsume (natsume-takashi)]

> * ^^ Failed to launch instance

Needs more information (CLI arguments, nova log files, nova and novaclient version, etc).
IMO, there is a possibility that it is not an issue in python-novaclient but an issue in nova.
So report the issue in nova.

[Launchpad Janitor (janitor)]

[Expired for OpenStack Compute (nova) because there has been no activity for 60 days.]

[Launchpad Janitor (janitor)]

[Expired for python-novaclient because there has been no activity for 60 days.]