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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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Copy Swift object storage container to new openstack service

I have two OpenStack services, hosted by different providers and I'm trying to figure out the best way to copy an entire container from one service to the other. Right now I'm looking at two options: Somehow use the swift cli to copy the container…
bzmw
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Creating clone of a VM in OpenStack

I need a copy of cinder volume, so that only hostname is changed with the same contents of as of the existing cinder volume?
Shree
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Terraform stalls while trying to get IP addresses of multiple instances?

So I am using terraform to provision ec2 instances and openstack instances. I am trying to reference the IP addresses of the instances I am creating because I need to run commands that use them (to set up consul). However after adding references to…
Alex Cohen
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Unable to start Corosync Cluster Engine

I'm trying to create HA OpenStack cluster for controller nodes by following OpenStack HA-guide. So I have three nodes in cluster: controller-0 controller-1 controller-2 Setted up a password for hacluster user on each host. [root@controller-0 ~]# yum…
Misters
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Openstack: Oslo_Config NoSuchOptError for a Deprecated Name - probably need to define Deprecated_Opts?

I recently made a code fix in trove to rename a config parameter name in vertica from 'cluster_member_count' to 'min_cluster_member_count'. Also, I deprecated the value of the old parameter so it can be backwards-compatible. Here is the group…
punsoca
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Assign openstack floating IP while making sure it will not be removed from other server

(I am using openstack4j to talk to OpenStack via REST API) I would like to reuse some of the unassigned floating IPs allocated in my tenant (allocate to newly provisioned servers). However, it seems that addFloatingIp action makes no difference…
Oliver Gondža
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Kubernetes: using OpenStack Cinder from one cloud provider while nodes on another

Maybe my question does not make sense, but this is what I'm trying to do: I have a running Kubernetes cluster running on CoreOS on bare metal. I am trying to mount block storage from an OpenStack cloud provider with Cinder. From my readings, to…
MrE
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Pass IP-address to cloud-init metadata

I am searching for a way to pass a ip-address to cloud-init metadata. So when my qcow boots, it does not have to wait for 120 - 180 seconds to boot. Currently I've created a workaround by adding IP-address information to the userdata part of…
Jonas Libbrecht
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cloud-init: Failed to write hostname XXXX to /var/lib/cloud/data/previous-hostname

I'm trying to set my Bluemix VM's hostname with a cloud-init script, but it's throwing an error: cloud-init[1143]: Cloud-init v. 0.7.5 running 'init' at Sun, 27 Sep 2015 13:14:39 +0000. Up 66.82 seconds. cloud-init[1143]: ci-info:…
Chris Snow
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Authentication SAIO (swift all in one) using libCurl API in C++

I'm working to Open Stack in particular to Swift All in One (SAIO). I need to use C++ and libcurl for authentication. Using curl via terminal I use this command (and it works); curl -v -H 'X-Auth-User: $SWIFTACCOUNT:$SWIFTUSER' -H 'X-Auth-Key:…
cirux91
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multiple KVM guests script using virt-install

I would like install 3 KVM guests automatically using kickstart. I have no problem installing it manually using virt-install command. virt-install \ -n dal \ -r 2048 \ --vcpus=1 \ --os-variant=rhel6 \ --accelerate \ --network …
Erez Kirson
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Get CPU, memory and HDD info of a host with the OpenStack Python API

I have a working Python program using the OpenStack API to create instances, list the instances, etc. The authentication is working well ;). I would like to get the CPU, memory and HDD information of a specific host. According to the…
David Guyon
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What is the value/benefit of OpenStack "Network/Storage" nodes?

OpenStack has 3 types of core nodes: Compute (Nova) Storage (Cinder) Network (Neutron) But to me, all Compute/Nova instances are VMs. VMs with file systems. VMs that need to be networked, and ultimately receive their network connections from a…
smeeb
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Xargs with command that has multiple parameters

I was advised to used these commands to get list of shutdown instances in Openstack and send them to start command as parameters: nova list | grep SHUTOFF | cut '-d|' -f3 | xargs nova start But it leads to error: error: unrecognized arguments:…
Madoc Comadrin
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Rex and identity files

I'm trying to configure a fi-ware cloud instance using Rex. What these instances (and probably other OpenStack-based systems) prove is a "identity file", a single private key that you can use to connect to them. I have been using variations of…
jjmerelo
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