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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.

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

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Spark cluster Master IP address not binding to floating IP

I'm trying to configure a Spark cluster using OpenStack. Currently I have two servers named spark-master (IP: 192.x.x.1, floating IP: 87.x.x.1) spark-slave-1 (IP: 192.x.x.2, floating IP: 87.x.x.2) I am running into problems when trying to use…
Philip O'Brien
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IPv6: Interface IP operations are stopped with floating IP in HA failover

When a main node fails, its IP (IPv6) floats to standby node. The standby node is supposed to provide service henceforth on that IP. Given that both these nodes co-exist in the same LAN, often it is seen that the standby node becomes unreachable.…
user31986
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Cloud Platforms- sudo: unable to resolve host

I use linux for my cloud based servers on Amazon-EC2 and openstack. When trying to run: sudo chhown ubuntu somepath I get this error every once in a while: sudo: unable to resolve host Most answers to this question on the internet are to edit the…
eshalev
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How to get IP address of the launched instance with Boto

I am launching instance in openstack using boto myinstance = conn.run_instances('ami-0000007d',min_count=1,max_count=1, instance_type = 'm1.small') newmachine=myinstance.instances[0] newMachine has the info related to the launched instance. I have…
Malintha
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Restarting a service in Openstack installed using Devstack

How to restart a specific openstack-service installed using devstack?
user3170122
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Installing openstack on mac

I am unable to find how to install openstack on my macbook. I tried googling but every where i am getting for ubuntu and not for mac Kindly help me to install as i am a noob in openstack
Garg Sanket
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advantages VM's have over lightweight containers (docker)

I have the following quote from docker's latest release note - Like all major IaaS implementations, Openstack relies heavily on virtual machines. Although there will always be a case for VMs in certain applications, we believe lightweight…
murtaza52
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openstack Hello World

I would like to write a program on an open-stack cloud. When I search for resources, all I find are installation and Admin manuals. I have a cloud installed, now how do I run a program on it? An example of using the message queue or the blob-store…
eshalev
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How to get openstack version using Horizon or Openstack client?

How to get OpenStack version using Horizon or OpenStack client? When I ran the command openstack --version, I got below output : openstack 3.15.0 Now from this, how we can get which relesae of openstack it is e.g. newton, kilo? Another question, if…
sauumum
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OpenDaylight integration with OpenStack: Missing table in database

I have the following OpenStack infrastructure: 2 compute nodes 1 controller node This work fine, I can create network, router, vm, etc... Now, I want to add an OpenDaylight controller in the cloud infrastructure using the service NetVirt. I follow…
Nakrule
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How to use OpenStack Cinder to create storage class and dynamically provision persistent volume in Kubernetes Cluster

Recently when practicing kubernetes , I found there is no doc and example specifically explaining how to use cinder correctly in kubernetes. So how to setup cinder to be used in kubernetes ?
Zhao Jian
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OpenStack: MessagingTimeout: Timed out waiting for a reply

Running OpenStack Newton, fresh install, am getting this on the compute node (in nova-compute.log) when trying to launch an instance: 2017-04-04 19:28:47.546 31726 ERROR nova.compute.manager [req-af37e2ee-0ef9-4d4e-b3ce-d7a1bf27a780 - - - - -]…
Gregory Golberg
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Error with openstack server list command

I installed Openstack on my CentOs VM and when i try to see the list of launched instances, i get this error $ openstack server list Ignoring domain related config user_domain_name because identity API version is 2.0 Ignoring domain related config…
upendra
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Openstack python API: how to download image from glance using the python api

I am trying to write a python program to download images from glance service. However, I could not find a way to download images from the cloud using the API. In the documentation which can be found here:…
user2521791
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Error with rabbit-mq server

I am trying to setup OpenStack on Ubuntu 12.04 using devstack. Now, the error I am getting is: Setting up rabbitmq-server (2.7.1-0ubuntu4) ... Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log,…
Pensu
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