Questions tagged [openstack]

OpenStack (http://openstack.org) 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.

Filter by
Sorted by
Tagged with
0
votes
0answers
16 views

After the compute reboot, the instances can not boot up

I did some upgrade in the Qemu and libvert packages for a compute hosting VMs. The focus was to make sure that the VMs doesn`t crash after getting removed from the network. However, after doing the ...
0
votes
0answers
17 views

Understanding angular frontend and elixir backend relationship

I am running a kubernetes cluster on an openstack cloud and have a pod each for my angular frontend and my phoenix/elixir backend. When the user first calls the frontend through an ingress exposed ...
0
votes
1answer
27 views

How to determine HugePages count?

I have a number of servers that we use as KVM hypervisor nodes. We want to enable hugepages and leverage this features for performance related matters. I have looked online on how to enable hugepages,...
0
votes
0answers
12 views

Why got 400 error when run openstack cli on a new server be created?

I installed an openstack client on a new server. pip install python-openstackclient When ran its command got 400 error. # openstack service list Failed to discover available identity versions when ...
0
votes
0answers
12 views

openstack static floating address with ansible

I am trying to assign a static floating IP address to my servers using ansible module os_floating_ip. my playbook code below: - name: Assign floating IP os_floating_ip: state: present cloud:...
0
votes
0answers
17 views

How can I delete an OpenStack volume snapshot older than 10 days?

How can I delete an OpenStack volume snapshot older than 10 days? Below the playbook that I use to create the volume, but I want to implement also the deletion. --- - name: Creating a volume ...
1
vote
0answers
48 views

Is it possible to create multiple openstack networks using same heat resource

Is it possible to create multiple networks using same resource and iterate through a list of names, instead of creating a long list of resources? Like the example below: parameters: netName: ...
-1
votes
1answer
26 views

How to schedule VMs in few specific host?

I have 4 nodes, 1 controller nodes and 3 compute node. I divined into 2 AZ, AZ1 (compute1) and AZ2(compute2, compute3) I can use create instance w/ --avaibilty-zone AZ1 (AZ2) to make the instance ...
0
votes
1answer
30 views

OpenStack redundant shared storage backend solution

Which storage backends are recommended for OpenStack which allows live migration and shared storage? Is it NFS / Ceph / storage backend drivers to commercial storage solutions? Which of these is ...
0
votes
0answers
47 views

Running virtualbox vm inside openstack vm

I'm trying to run virtualbox vm (virtualbox 6.1.4, vm iso image is ubuntu 16.04) inside openstack instance for some tests ( openstack is ocata, and instance image is ubuntu 14.04), when i start vm in ...
0
votes
0answers
12 views

How to mount an added volume to an instance and how to merge the disks together in OpenStack?

I have one volume in an instance created by OpenStack. | de917e5b-3214-4268-89ef-322a1a3568a0 | volume-myserver0-0 | in-use | 20 | Attached to myserver on /dev/vda | ...
0
votes
0answers
21 views

Why can't see the changed size in the instance after changing flavor on OpenStack?

I have 2 flavors: flavor1: 0MB flavor2: 10000MB I created a stack on OpenStack with flavor1. Now want to change flavor to flavor2. So in the OpenStack dashboard, I found the instance and selected '...
0
votes
0answers
14 views

How openstack block unknow IP?

I have create a VIP between 2 instance in an Openstack. But it need to be pair port to be able to use. What mechanics does Openstack Neutron do to block the access of my VIP from instance to Neutron ...
0
votes
0answers
35 views

VIP create by user-instance cannot access from same network in Openstack network?

I have this example 2 instance in an Openstack network call VM1 and VM2 Both instance use keepalived to create VIP jump between 2 nodes Keepalived config: global_defs { router_id ...
0
votes
0answers
35 views

Openstack magnum cant reach clustertemplates?

I am having a bit of trouble with magnum on my devstacks openstack install on BARE METAL Ubuntu 18.04. When i try to create a cluster template with kubernetes like this: magnum cluster-template-...
0
votes
0answers
39 views

After installing openstack with devstack,I got this error,Get Internal Server Error error when i want to access to IPAddress/dashboard

I installed openstack with devstack on a fresh ubuntu server, I ran ./stack.sh and it was down, but when i want to access to dashboard, i get this error on browser Internal Server Error The server ...
0
votes
0answers
58 views

How to run openstack components' cli without SSL validation?

(I use IPv6_Address instead of real IP address) .openrc setting: export OS_CLOUD=mycloud export OS_USERNAME=myusername export OS_PASSWORD=mypassword export OS_PROJECT_NAME=myproject export ...
0
votes
1answer
88 views

How to resize a volume in an instance on OpenStack?

check using volume from list openstack volume list set status to available to a volume openstack volume set --state available [volume id] resize the volume openstack volume set --size 40 [volume ...
0
votes
0answers
14 views

High avaibilty openstack port duplicate?

I have follow this book: https://docs.huihoo.com/openstack/docs.openstack.org/ha-guide/HAGuide.pdf And also the docs from openstack: https://docs.openstack.org/ha-guide/control-plane-stateless.html ...
0
votes
0answers
16 views

Create stack failed due to bad request error

When I using ansible to create a stack by OpenStack Heat template, got this error: FAILED! => {"changed": false, "msg": "BadRequestException: 400: Client Error for url: https://[IP]:8004/v1/...
0
votes
0answers
15 views

How to use cinder command even set environment for it?

I have set environment for openstack: cat ~/.openstack/openrc.sh export OS_CLOUD=mycloud export OS_USERNAME=myuser export OS_PASSWORD=mypass Define OS_CLOUD as: mycloud: identity_api_version: ...
1
vote
1answer
27 views

Do prometheus metrics have some sort of “freshness” lifetime?

I'm scraping some metrics (openstack cinder volume sizes) every 15 minutes, and the results produce a discontinuous graph, like this: (That's the result of the simple query cinder_volume_size_gb). ...
0
votes
0answers
36 views

How to set openstack volume status after creating a new stack?

Created a new stack by OpenStack, the stack's status showing 'Creating in process' for a long time. Checked its volume, it's status shows 'downloading'. Now want to set this status to other, how to do?...
0
votes
0answers
31 views

Is there a easy way to change network name for a stack by OpenStack?

I have created a stack by OpenStack with network1, now I have to change the network to network2. I don't know whether OpenStack's neutron took can do it straightforward. Or delete the stack and ...
0
votes
0answers
79 views

Troubleshooting Docker Swarm cURL docker service across nodes via overlay network

I have setup a 3-node Docker Swarm. I can ping but cannot curl a docker service that ends up deployed on Host B from within a docker container on Host A. What am I missing? What else can I do to ...
0
votes
0answers
24 views

Multi-region Kubernetes cluster with Openstack cloud provider

I'm trying to build a Kubernetes cluster on top of a multi-region Openstack cluster (my two regions are actually in the same geographic zone, less than 1ms away from each other) to provide a really ...
0
votes
0answers
144 views

Openstack(Stein) glance failing to authenticate

I am trying to perform step 3 here https://docs.openstack.org/glance/stein/install/verify.html which is to openstack image create "cirros" \ --file cirros-0.4.0-x86_64-disk.img \ --disk-format ...
0
votes
1answer
45 views

How to remove openstack cloud_provider integration from running cluster

A Kubespray installation in openstack environment was done. Everything fully functional, no problems. My question is how to remove the integration on a running cluster, machine by machine (not by ...
0
votes
0answers
23 views

VMWare Integrated OpenStack. Can't reach floating IP addresses

We're running VMWare Integrated Openstack 5.1. Though we can associate a floating IP with an instance, that instance is not reachable from outside, nor can the instance reach the outside. The ...
0
votes
0answers
23 views

Boot UEFI machine through iPXE on Nova

As per Does nova support pxe boot? I need to boot a VM in an Openstack project through PXE. As of today, the proposed solution (also as on this procedure) in the previous link works for BIOS, but I ...
0
votes
2answers
206 views

OpenStack Keystone | db_sync --check return exit code 1

Hy, I'm using Ansible OpenStack for deploy OpenStack test environment On playbook setup-openstack.yml task os_keystone : Check current state of Keystone DB fails because exit code 1 from /openstack/...
0
votes
0answers
67 views

Openstack Kolla-Ansible prechecks failed showing my NIC information

I'm trying to deploy all-in-one Openstack by Kolla-Ansible with virtualenv in Ubuntu. The prechecks failed at the task: **TASK [haproxy : Checking if kolla_internal_vip_address is in the same ...
0
votes
0answers
108 views

live migration in openstack-ansible

When I try to migrate from one compute host to another, I get an error What is the reason for this error? i get same error. compute2 2019-09-17 10:29:27.009 2371 ERROR nova.virt.libvirt.driver [-] ...
0
votes
1answer
113 views

error upgrading python's packages in centos

during update I've got some errors in python's packages Error: Package: python-django-1.8.14-1.el7.noarch (@centos-openstack-ocata) Requires: python-django-bash-completion = 1.8.14-1.el7 ...
1
vote
1answer
80 views

Openstack: How to make a VM to autostart

I have deployed Openstack queens for testing purposes. nova --version 14.2.0 I noticed that when I reboot a compute host, all VMs running on it turn into SHUTOFF state. I tried to change this ...
0
votes
2answers
127 views

openstack installation rally error

I've got a problem throught installation of openstack in a VM Centos7 the error is: [root@localhost ~(keystone_admin)]# rally deployment create --fromenv --name=existing Command failed, please ...
0
votes
1answer
148 views

Error running ansible role ansible-hardening from OpenStack

The ansible role 'ansible-hardening' from OpenStack is throwing this error: ERROR! Error when evaluating variable in import path: {{ stig_version }}stig/main.yml. When using static imports, ...
0
votes
1answer
27 views

Scheduled command with protected personal credentials

I'm not sure I have a clear title, but here is my story : I'm working on an Openstack cloud (Openstack is not important here) and I need to set my username/password each time I need to call Openstack ...
0
votes
0answers
20 views

Open stack ansible network config

I'm trying to deploy OpenStack with Ansible and I's stuck at the network config step. This example is pretty clear but I don't figure out how I need to add this config for different nodes. In this ...
1
vote
0answers
152 views

openstack: how to access the horizon dashboard?

I just followed the devstack install page: https://docs.openstack.org/devstack/latest/ and followed the exact instructions with a fresh 18.04LTS ubuntu image from Linode. after running the last step:...
0
votes
0answers
2k views

devstack simple install on ubuntu 18.04 LTS fails

this page: https://docs.openstack.org/devstack/latest/ says do the following on a fresh min install of ubuntu 18.04LTS (I setup one from linode with 4GB ram, 2 core. sudo useradd -s /bin/bash -d /...
0
votes
0answers
30 views

is it feasible to run mysql on openstack given that swift uses http as a protocol?

Ok, this is a really dumb question. With vmware, you get access to a "drive" which the os sees as if it was a local HD. It has reasonably fast random access to this drive. The actual drive could be ...
0
votes
0answers
33 views

Openstack service endpoints - What's the point?

After reading this and this it is still quite unclear to me what are the benefits of the separate endpoints. Could someone help me understand what additional security do the 3 different endpoint ...
0
votes
0answers
10 views

Orchestration: Fill in Openstack stack_name via HEAT Environment file

Q: How do I prefill (default values, or environmental files) the Stack Name in an OpenStack launch with heat files? First week of Openstack usage, currently still reading documentation and doing ...
0
votes
0answers
33 views

Is there a way to make a complete backup of an OpenStack project?

I am a user of an OpenStack Nova cluster. In there I have a project with some kinda complex network and server configuration. Now I will have to create a guide to completely rebuild everything in ...
-1
votes
1answer
129 views

ClearLinux on Openstack

I'm having trouble getting ClearLinux to work on OpenStack. From their download source, based on their sites download page & documentation, I've tried clear-29690-cloud.img, clear-29690-cloud-...
0
votes
1answer
28 views

Why doesn't rpcinfo command in linux show rabbitmq?

What I understood is that some of the Openstack components communicate using RabbitMQ service (which uses RPC protocol) while other communicate using REST APIs, DB queries etc. But when I check ...
0
votes
1answer
177 views

how to use ssh to visit vm in openstack environment

What I want to do: use python script to login the vm in openstack environment What I did so far: I used CLI: openstack keypair create abc > /root/keydir/abc to create openstack keypair and ...
1
vote
0answers
70 views

Openstack Neutron Hyper-V agent - unable to bind port

I have a fully working system running Rocky that I built using Openstack-Ansible on Ubuntu 18.04. I am using it as a POC to test out for use in my datacenter, which has a large Hyper-V investment. I ...
0
votes
0answers
115 views

How is the VM created when using packstack all-in-one to install openstack in one machine?

I installed openstack all nodes in one machine (CentOS7) with cmds: yum install -y openstack-packstack packstack --allinone --provision-demo=n Edit libvirt section in /etc/nova/nova.conf----> ...

1
2 3 4 5
9