Stack Overflow
Stack Overflow

Questions tagged [openstack]

Only programming related questions!! OpenStack is a collection of open source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.

OpenStack is a collection of open-source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.

OpenStack supports , ,, , and hypervisors; , gluster, , and sheepdog for block storage as of the Essex (spring 2012) release. OpenStack is the API as well as a reference implementation, and is being actively packaged for multiple distributions. Nothing is proscribing OpenStack from also working on Windows, and there is an ongoing effort to bring the Microsoft supervisor into the list of supported hypervisors. OpenStack also supports an Amazon like object storage service called swift.

Tutorials

You may also want to use more specialized tags like , , , , , .

Keep in mind that StackOverflow usage is limited to programming subjects and if you have operational or usage questions, you should use sister site serverfault.com

3088 questions
6
votes
3 answers

libvirtError: internal error Cannot find suitable CPU model for given data

I am trying to run a simple instance after a fresh installation of OpenStack. The instance cannot start and in the log I found "libvirtError: internal error Cannot find suitable CPU model for given data". Please help. Some info: libvirt.x86_64 …
Leandro
  • 499
  • 1
  • 5
  • 13
5
votes
4 answers

ERROR /opt/stack/devstack/lib/neutron_plugins/ovn_agent:174 Socket

This is the error I got while installing DevStack on Ubuntu 20.04 VM with 7GB of Ram. How to solve this issue? Call…
Jeevan R
  • 51
  • 1
  • 3
5
votes
1 answer

Kubernetes changing permissions of mounted volumes

I manage a deployment of Kubernetes on Openstack. My user pods mount a PersistentVolume created dynamically using Openstack Cinder as their home folder. What is strange is that if I create an (empty) file with file permissions 600: bash-4.2$ ls…
Andrea Zonca
  • 8,378
  • 9
  • 42
  • 70
5
votes
0 answers

response gnocchi measures empty

i want to use gnocchi Stein version but i have problem with it, because all measures is empty and i don't know how to solve it. in the blew i show the configuration and command lists: in the gnocchi.conf: [storage] coordination_url =…
Ali Ebrahimpour
  • 51
  • 4
5
votes
2 answers

change keypair in an active instance

Openstack version - Pike In Openstack there is no provision to change the keypair of any active instance. Queens and Rocky give the option in rebuild command, but that will re-create the instance again. 1. Is there any way to change the keypair of…
Kushagra Srivastava
  • 123
  • 2
  • 12
5
votes
0 answers

qemu-kvm showing over 100% of CPU usage in top command

I am running openstack on centos 7. All openstack services run within docker containers. I keep seeing high CPU usage from qemu-kvm as I launch more instances on openstack. Below is an image showing output from my top command for about 20 seconds…
Joey Corkey
  • 475
  • 1
  • 6
  • 19
5
votes
2 answers

Parallel processing with xargs in bash

I had a small script where I would source into each openstack's tenant and fetch some output with the help of python. It took too long for the reports to get generated and I was suggested to use xargs. My earlier code was like below. #!/bin/bash cd…
Heenashree Khandelwal
  • 659
  • 1
  • 13
  • 30
5
votes
1 answer

OpenStack Swift TempAuth authentication prod usage

Almost in every OpenStack Swift documentation is mentioned that TempAuth is a solution just for test non-prod environment (however it's fully functional). The key reason to don't use this approach in prod that user-creds are stored in plain…
user1459144
  • 4,439
  • 5
  • 28
  • 35
5
votes
1 answer

Unable to upload a file into OpenStack Swift 2.14.0 on a Raspberry Pi 3 because of "[Errno 13] Permission denied"

Creating and erasing buckets (containers) in my OpenStack Swift version 2.14.0 installation works well. It is a Swift only installation. No further OpenStack services like Keystone have been deployed. $ swift stat Account:…
Neverland
  • 773
  • 2
  • 8
  • 24
5
votes
2 answers

error: "/opt/stack/logs/error.log: No such file or directory" - devstack deploy in Ubuntu 12.04 LTS

during the devstack deployment in Ubuntu 12.04 LTS, I run the stack.sh script and the error jumps out: [Call Trace] ./stack.sh:191:die [ERROR] ./stack.sh:191 If you wish to run this script anyway run with FORCE=yes …
Oceanwu0
  • 61
  • 1
  • 3
5
votes
1 answer

OpenStack DevStack Fail: installs keystoneauth1 2.12.2, then demands 2.16.0 or better

This is on stable/newton, on Ubuntu 16.04 server. Error message is: File "/usr/local/lib/python2.7/dist-packages/pip/_vendor/pkg_resources/__init__.py", line 859, in resolve raise VersionConflict(dist,…
christopherbalz
  • 722
  • 1
  • 8
  • 22
5
votes
1 answer

Enable permanently CORS in OVH Object Storage (OpenStack swift)

I can enable CORS in OVH Object Storage (that uses OpenStack Swift) using this command curl -i -XPUT -H "X-Auth-Token: xxxxxxxxxxx" -H "X-Container-Meta-Access-Control-Allow-Origin: *"…
acrh
  • 59
  • 4
5
votes
3 answers

minio: What is the cluster architecture of minio.io object storage server?

I have searched minio.io for hours but id dosn't provide any good information about clustering, dose it has rings and instance are connected? or mini is just for single isolated machine. And for running a cluster we have to run many isolated…
Hamid Karimi
  • 615
  • 1
  • 8
  • 12
5
votes
4 answers

How to delete all objects from a folder/directory in open stack swift using rest api?

I want to delete all files and folders using folder or container path without listing all files in it. Is it possible?
hjjo
  • 105
  • 1
  • 6
5
votes
3 answers

How to resolve this error while installing devstack kilo on ubuntu

This is what I did: 1) Cloned devstack kilo using the command: git clone https://github.com/openstack-dev/devstack.git -b stable/kilo 2) cd devstack 3) ./stack.sh I get the following error while installing devstack kilo on ubuntu. You are using pip…
Nikhil
  • 6,493
  • 10
  • 31
  • 68
1 2 3
…
99 100