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Questions tagged [openstack-nova]

Nova is the project name for OpenStack Compute

Nova is the project name for OpenStack Compute, a cloud computing fabric controller, the main part of an IaaS system. Individuals and organizations can use Nova to host and manage their own cloud computing systems. Nova originated as a project out of NASA Ames Research Laboratory.

Nova is written with the following design guidelines in mind:

  • Component based architecture: Quickly add new behaviors
  • Highly available: Scale to very serious workloads
  • Fault-Tolerant: Isolated processes avoid cascading failures
  • Recoverable: Failures should be easy to diagnose, debug, and rectify
  • Open Standards: Be a reference implementation for a community-driven api
  • API Compatibility: Nova strives to provide API-compatible with popular systems like Amazon EC2
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Clarification of symbols in an URL %\

What is the purpose of the %\ in the following URL? http://controller:8774/v2/%\(tenant_id\)s I'm very new with Linux but i understand that the forward slash \ is often used as an escape character. I also know that the % symbol is used as an escape…
mrahma04
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juno neutron with gre tunnel, qrouter not pinging vm and vm not getting ip from dhcp

I have 3 node architecture of openstack juno setup. Everything working fine on controller and compute. VM getting created and all. But seems my Network node and Compute node have some issue over data network as VM is not taking IP from DHCP. Also…
Amit Kumar
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Openstack instance Console returning error 1006

If you are unable to access your console with Error 1006 through Nova's NoVNC console access, you can find the log in /var/log/nova/nova-novncproxy.log (Centos 7 location). In my log, I noticed this error specifically when refreshing the console…
DevOops
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OpenStack API Implementations

I have spent the last 6 hours reading through buzzword-riddled, lofty, high-level documents/blogs/articles/slideshares, trying to wrap my head around what OpenStack is, exactly. I understand that: OpenStack is a free and open-source cloud computing…
smeeb
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Cannot create openstack using noveclient python API

I am trying to create openstack instance using novaclient python API. I use following ccommand in Python nova.servers.create(name = "xxx", password="xxx", image = "b754996c-45dc-43d4-b2cb-47b6c10beca3",flavor = fl.id,network =…
Malintha
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Difference between Openstack compute, Openstack server, Openstack ironic, Openstack hosts?

I am getting confused about how all these terms are defined. Each has a separate commands list also. Commands: compute agent compute agent create compute agent delete compute agent list compute agent set compute service compute service…
user18108061
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Laravel nova - how to edit index page on resource

enter image description here enter image description here there are only number (ID) but I would like to watch category_name, Not id. When i push button RU need to watch on Russian language When i push to En need to watch in English language. Can…
codeurient
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Stop OpenStack Server Instance with pythonSDK

I'm trying to create an endpoint to stop my openstasck server instance using pythonSDK, but I'm getting an error when I try to access / stop_server, could you help me? from flask import Flask, request from openstack import connection from pprint…
Allison1
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Nova instance throws an error on launch - "failed to perform requested operation on instance"

Nova instance throws an error on launch - "failed to perform requested operation on instance….the server has either erred or is incapable of performing the requested operation (HTTP 500)". See screenshot below. InstanceCraetion Error Surprisingly it…
Yogesh Joshi
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tox errors when running nova openstack unit tests

I am trying to run openstack unit tests, and i'm having trouble with tox i've been following this tutorial i have started with a brand new Ubuntu16.04 LTS instance which has python 2.7 and python 3.5 i took the exact same instructions as the…
Mheni
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Can't display cinder, nova and neutron infos in horizon dashboard

I started to work on openstack, and have installed it on ubuntu, and after all configuration I'm having a problem displaying cinder & nova & neutron services on horizon error impossible to get information on nova , cinder , neutron
Jam bah
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How to detect a hung linux service?

I have noticed on some of my linux servers that a linux service will be hung. The only way I know that it is hung is operations that rely on the service fails and when I restart the service it fails to stop but it starts fine. If I do service…
huan0602
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Openstack Failed to launch instance "test": Please try again later [Error: No valid host was found. ]

I try to make instance on openstack private cloud web UI. But it fails.The error code is Failed to launch instance "test": Please try again later [Error: No valid host was found. ]. In /var/log/nova/nova-scheduler.log these errors are…
Joseph Hwang
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why openstack is getting so popular?

can anyone tell me why openstack is getting so popular because there are many open source private computing platforms like opennebula,cloudStack,Eucalyptus...so what is the advantage of using Openstack? and why not others?
Ranjit Shinde
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How to take xml file of running instances in openstack?

Im trying to edit xml file of running instances in openstack but couldn't able to find out where it is placed . When i tried with #virsh list -all Which is listing some vms which is not created via openstack Please someone help me out to take xml of…
Karthigaa dass
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