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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.

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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
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What's the difference between setup.py and setup.cfg in python projects

Need to know what's the difference between setup.py and setup.cfg. Both are used prominently in openstack projects
Bharadwaj
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installing python packages without internet and using source code as .tar.gz and .whl

we are trying to install couple of python packages without internet. For ex : python-keystoneclient For that we have the packages downloaded from https://pypi.python.org/pypi/python-keystoneclient/1.7.1 and kept it in server. However, while…
srinath
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Login credentials of Ubuntu Cloud server image

I am trying to build a cloud infrastructure using VM's In the Openstack manuals, it is mentioned that the images in this link contain, Openstack pre-installed. I downloaded the trusty-server-cloudimg-amd64-disk1.img file and I loaded it using KVM. I…
Sherwin Varghese
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How to re-run cloud-init without reboot

I am using openstack to create a VM using 'nova boot' command. My image is cloud-init enabled. I pass a --user-data script which is a bash shell format for cloud-init to run during VM boot up time. All this happens successfully. Now my use-case is…
user3532850
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Messaging vs RPC in a distributed system (Openstack vs K8s/Swarm)

OpenStack uses messaging (RabbitMQ by default I think ?) for the communication between the nodes. On the other hand Kubernetes (lineage of Google's internal Borg) uses RPC. Docker's swarm uses RPC as well. Both are gRPC/protofbuf based which seems…
Manohar
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What are the differences between a VM image and a Docker image?

Are there any differences in images of Docker and Virtual Machine? Except the image formats, I couldn't find any info on this anywhere. Please comment out on the things like image size, instance creation time, capture time, etc. Thanks!
devesh-ahuja
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How do I install docker using cloud-init?

I want to create instances in Openstack that will have Docker in them already installed prior to ssh to them. So naturally I got interested in Cloud-init technology because it allows us to install packages on virtual machines during first boot time.…
lgdelacruz
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The relationship between endpoints, regions, etc in keystone OpenStack

I'm really trying to understand the under the hood of keystone regarding the relationships among endpoints, regions, tenants, services, users and roles. I've tried to find the related documents but sadly, failed. Could anybody give any pointers or…
jaeyong
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What distribution is CirrOS based on?

What distribution is CirrOS based on?
Dave
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Service failed to start the virtual machine 'DockerDesktopVM' because one of the Hyper-V components is not running

I have Window Server 2016/2019 Virtual Machine(Openstack). On that Hyper-V install successfully. But not able to start MobyLinuxVM. ExposeVirtualizationExtensions are already enabled on the Virtual Machine box through PowerShell.…
Sounak Saha
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python and PEP 440 - how serious is this warning about PEP440?

I had to install OpenStack using devstack infrastructure for experiements with open vSwitch, and found this in the logs: /usr/lib/python2.7/site-packages/setuptools/dist.py:298: UserWarning: The version specified ('2014.2.2.dev5.gb329598') is an…
Mark
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issues working with python generators and openstack swift client

I'm having a problem with Python generators while working with the Openstack Swift client library. The problem at hand is that I am trying to retrieve a large string of data from a specific url (about 7MB), chunk the string into smaller bits, and…
bacongobbler
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Missing value auth-url required for auth plugin password

I am trying to install openstack using devstack on ubuntu 16.04. I followed the following link. https://docs.openstack.org/developer/devstack/guides/single-machine.html When I run sudo openstack service list , it prompt the following…
Goforseeking
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Can my Vagrant VMs use manifests with storeconfigs without a Puppet master?

I'm trying to set up a multi-VM Vagrant environment that spins up an OpenStack controller and a few OpenStack compute nodes and then provisions a VM or two on the compute nodes. Yes, I'm talking about VMs running on VMs. It sounds a little crazy,…
Philip Durbin
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4 answers

Jenkins slave went offline during build

Jenkins slave going offline during build. How can I fix this , I saw lot of related questions in SO and Jenkins issues but no one gave solution. My configuration: Jenkins version 1.651.1, Zuul version 2.1.1.dev393 with one Jenkins master(Ubuntu), 2…
RMK
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