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Questions tagged [openstack]

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.

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Openstack / Linux Networking - public network doesnt connect with physical interface

I'm currently setting up Openstack with kolla-ansible wallaby, version 12.3.1.dev95, all-in-one installation. \ My setup in VMWare: Workstation 14.x VM-OS: Ubuntu Server20.04 LTS 1 Bridge-Mode ...
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Openstack security group targeting another security group not working as expected

I wonder if anyone might be able to see why chaining security groups isn't working please? I have a VM with security group test_1 applied to its only NIC port. Default security group has egress rules ...
0 votes
1 answer
5k views

OpenStack instances power off by itself

Already asked this over on ask.openstack.org but I figured it would get more views here too. I am running OpenStack Mitaka on a 5 node cluster, 1 controller/network node and 4 compute nodes. I am ...
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0 answers
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openstack create instance stuck at scheduling and took long time to fail with ERROR

anyone help please, i m unable to create an instance. Build Environment Based Hypevisory is ESXI (single Node) Two VM Created with: OS Centos 8 Steam with latest update Openstack Yoga Network = Flat ...
2 votes
3 answers
4k views

OpenStack Horizon behind reverse proxy (nginx preferred)

Current situation: I have a Triple-O OpenStack installation (Liberty) where even the "public" network is in a private environment (10.24.7.0/24 network). The only way to get access to that network is ...
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how monitoring open vSwitch bonding status

i have create a etherchannel between a cisco switch and OVS device. it is work fine. i was wondering how can i monitor OVS bondign status. like, which physical link is down, how traffic is populate on ...
4 votes
3 answers
14k views

Promiscuous mode in KVM

I have cloud system based on Openstack Icehouse-version. Now I want to test newer version of Openstack (Juno) inside my existing cloud. All hosts and guests use Ubuntu 14.04 as their OS. KVM is ...
1 vote
1 answer
2k views

Missing credentials for roles in Heat orchestration on OpenStack?

I am trying out Heat orchestration on OpenStack. When setting up a single instance stack using the configuration below, I am getting this error: Error: ERROR: Missing required credential: roles [u'...
0 votes
2 answers
845 views

Devstack: "Authentication Required" error

I installed Openstack using Devstack on my ubuntu VM. On my local.conf file i only specified the cloud ip. (HOST_IP=ip of the vm. ) Now when i try to connect to one of my services using browser(...
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Charmed Openstack linux bridge instead of OVS bridge

I did install the charmed openstack reading the documentation provided at docs.openstack.org. However, i made a mistake, configured the bridges as linux bridge instead of OVS bridge on MAAS to compute ...
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0 answers
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newly rebuilt openstack compute host is not starting iscsid on boot

I have a number of compute nodes that are working just fine, I rebuilt several (changing the location of their iSCSI root disks) now they no longer start up iscsid on boot What starts the iscsid ...
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17 views

Removal of default routes with multiple subnets under Openstack Provider Network

I have a self-service network with a single external connection via the 192.168.100.0/24 subnet. It also has multiple subnets under this external connection via the 192.168.101.0/24 and 192.168.102.0/...
1 vote
1 answer
8k views

openstack installation on ubuntu. Neutron connection issue

I try to configure on a single node openstack by following this tutorial: http://docs.openstack.org/juno/install-guide/install/apt/content/neutron-controller-node.html My installation is done in a ...
0 votes
1 answer
2k views

How to access Hadoop remotely?

I have installed Hadoop on open-stack CentOS guest VM. I'm able to open the site: (From 192.168.0.10, VM-1) http://localhost:50070 http://192.168.0.10:50070 But not able to access the same from a ...
0 votes
1 answer
26 views

openstack create and set user in an instance

Im searching for a way to make my openstack create/set a instance with specific user that have specific password for example i want to provision an instance that will have specific user ( lets say ...
0 votes
1 answer
149 views

OVA to QCOW2 conversion - Openstack instance dracut initqueue timeout and could not boot

I have a custom OVA built with Centos 7 and trying to convert it to qcow2. I have extracted the files from the OVA and converted the vmdk to qcow2 with following command: qemu-img convert -O qcow2 ...
0 votes
1 answer
1k views

OpenStack error when converting a glance image to a cinder volume

/var/log/cinder/volume.log shows the following error when converting a glance-registered QCOW2 image to a cinder volume. local variable 'tmp' referenced before assignment failed to copy image to ...
0 votes
1 answer
38 views

Openstack nova terminating guest vms with oom_kill

I am running an openstack Victoria with Kolla ansible deployment , all components are containerised . The compute node is (oom_kill) killing guest when the memory is max out , is there a way to avoid ...
0 votes
2 answers
2k 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 ...
1 vote
0 answers
1k views

Volume creation failure

I want to launch an instance from an image which size is 1TB in my openstack pike environment which uses cinder with ceph as storage backend. The volume creation process for that instance fails with ...
1 vote
1 answer
4k views

Openstack can't connect to instance via Horizon console

I installed Openstack on a machine with Ubuntu Server 16.04 and almost everything works fine, but when I try to connect to the Horizon console of the instance I get the error: Unable to load console....
0 votes
0 answers
15 views

Publishing nova (libvirt) metrics using ceilometer agent

I've migrated my openstack lab from kolla-ansible and have deployed 3 ceilometer and one gnocchi units using juju. And this is my ceilometer pipeline.yaml file: sources: - name: meter_source ...
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0 answers
37 views

Same openstack subnet shared by multiple network (vlan)

In the ussuri version and higher. Is it possible to have a subnet shared by several networks? Or Is it possible to externalize the DHCP service? I explain it to you. On the openstack side, I want to ...
user avatar
0 votes
1 answer
2k views

Equivalent to TYPE=“OVSPort” DEVICETYPE=“ovs” OVS_BRIDGE=br-ex in Ubuntu 14.04?

Is there an equivalent to TYPE="OVSPort" DEVICETYPE="ovs" OVS_BRIDGE=br-ex in Ubuntu 14.04? The system is OpenStack Icehouse with 3 nodes (controller, network, compute1) each on a VirtualBox Ubuntu ...
0 votes
0 answers
39 views

Resize server succeed but not applied

I would like to resize the server via this api. It returns 202 but the flavor is not applied. Its status is not changed to VERIFY_RESIZE. The status is Active. I also tried it with SHUTOFF status. The ...
0 votes
0 answers
22 views

VPN Between OpenStack and AWS VPC

I have an OpenStack server with Vms. I have a number of instances in AWS. The VMs in both cases need to see each other. I could setup Tinc or OpenVPN on VMs but this seems prone to failure. I've ...
0 votes
2 answers
1k views

OpenStack: Setting up network devices error out

[root@OpenStack-1 network-scripts]# cat ifcfg-enp0s3 DEVICE=enp0s3 HWADDR="08:00:27:8E:EA:56" TYPE=OVSPort DEVICETYPE=ovs OVS_BRIDGE=br-ex ONBOOT=yes - [root@OpenStack-1 network-scripts]# cat ifcfg-...
4 votes
1 answer
15k views

Openstack: What the difference between nova migrate and nova evacuate?

On liberty, I've been searching for a way to "empty" a hypervisor from all its VMs. At the nova client docs, I've found the following commands related to this: nova evacuate : Evacuate ...
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0 answers
19 views

Can not login to server by password set in user_data

When I create server by api and set the user_data, the server is created successfully without any errors. However, I have incorrect login. The user_data is generated like below in php. base64_encode('#...
4 votes
4 answers
5k views

Openstack: Is it possible to migrate an instance from a dead compute server to a live one?

I've got a cluster with 84 Openstack Essex compute nodes, one of which decided to pine for the fjords about 2 hours ago, with 8 running instances on it. The instances are all running off qcow2 disks ...
0 votes
2 answers
48 views

How to have node affinity in openstack?

For Example, I have 3 Compute servers and I want to have 1 Specific Instance on each of them and I want to have Node Affinity on them. instance_1 --> compute_node_1 (Always on this node) ...
0 votes
1 answer
1k views

Failed to discover available identity versions when contacting http://controller:5000/v3

When trying to setup a controller node for openstack USSURI version. I'm asked to setup glance service as VM images management sub-service. As of requirement : article (under ubuntu 18.04) : I ...
2 votes
1 answer
287 views

What is the best way to repair a situation where the nova database contains an attachment, but cinder doesn't?

In our OpenStack cloud there are a server with server_id and a volume with <volume_id>. We are in a situation where there is a volume that appears to be attached from the perspective of Nova, ...
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0 answers
16 views

How can i contact with Openstack Developers?

I just deployed a openstack on private cloud with and face some problems with Magnum fedora-coreos-v1 current code base. Some fixes was backported by me from master. Some of them was fixed by me. I ...
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0 answers
16 views

openstack xena- extend boot volume which is attached to an instance through heat orchestrator

as you can see the below heat template { "heat_template_version": "2018-03-02", "description": "H2 Template: All infrastructure is\n created using this, except ...
0 votes
0 answers
19 views

Openstack xena - Whenever I try to extend the boot volume size in a Heat stack, the heat update gets stuck in UPDATE_IN_PROGRESS

I am using openstack Heat as my backend to manage vms. Whenever I try to increase the size of the boot volume of a vm by increasing the size value of a boot volume in a heat teamplate- The stack ...
1 vote
2 answers
2k views

vnc to kvm host not working despite succesfull network connection

I have a centos 6.4 box running openstack grizzly. I have various instances running, yet I can not view their console. Horizon has a built in console viewer called novnc-proxy, which is not working ...
0 votes
0 answers
16 views

Openstack, Is there any characters that should be concern when creating cloud-init config

So I got a task where I have to create instance of server for the user with their own password. So I did a simple by creating a config template and replace the password field with their request ...
0 votes
0 answers
66 views

OpenStack: Too many Database idle Connections

I use PostgreSQL as a DB backend for all OpenStack Services on 3 Controllers. When all 3 controllers are started with no load, the number of connections are up to 700. And all of this conns are in ...
1 vote
1 answer
247 views

Openstack only building one VM per machine in cluster, then runs out of resources

I am building an openstack cluster and am having some issues with what I think may be a quota problem. I can successfully build vms on every host, but only one vm per host. I deployed the system using ...
0 votes
1 answer
53 views

Incorrect ressource allocation on OpenStack

In our cluster, we have 4 computes running and we have an issue with the number 4. We can't create VMs on it, we can't migrate VMs to or from that node. VMs are still perfectly working though. After a ...
1 vote
1 answer
343 views

kubeadm token create fails on self signed ca cert

I am trying to deploy a k8s cluster using kubespray on top of an openstack cluster of ubuntu servers. The install fails when kubeadm tries to init the cloud provider by submitting a post request to ...
0 votes
0 answers
30 views

VPN IPsec site connection sporadically lost data between Openstack VPN and a Checkpoint firewall

We have established an IPsec VPN site connection from our Openstack to a Check Point firewall device. The tunnel is UP but sporadically the connection has "breaks". We already checked ...
0 votes
0 answers
22 views

What will happen if i suspend my OpenStack admin user?

Did someone have been trying to do something like that, to suspend ( deactivate ) the admin account and continue working with openstack on another account? I have an OpenStack version 2.3.1 ( do not ...
0 votes
1 answer
222 views

Openstack Installation via Devstack: AssertionError /usr/lib/python3.8/distutils/core.py

I am getting above error while setuptools replace disutils when execute ./stack.sh. I am using Ubuntu Server 20.04 VM and following this link. There is nothing much available on internet about this ...
1 vote
1 answer
532 views

Openstack ubuntuVM SSH public key Permission denied on first boot

I am deploying Openstack(I tried victoria and ussuri) with kolla-ansible on 3 CentOS 8 Nodes (1=Control+Compute,2 and 3=Compute). Deployments works fine without any problems but when I create a new VM ...
0 votes
1 answer
20 views

Openstack Pike fails after Ubuntu 18.04 upgrade

First off, I am an amateur to Openstack upgrading and made a big mistake in upgrading the controller and compute nodes OS from Ubuntu 16.04 to 18.04. I know now that was a mistake. My Openstack Pike ...
3 votes
0 answers
105 views

Openstack Nova and Ceph Volume Attachment Issue

I am trying out the volume attachment function at Openstack (version:wallaby) to the server as additional device but failed. The volume backend is ceph which all of the osds are up and healthy. ceph-...
0 votes
1 answer
166 views

Rebuild of volume-backed server

I create a volume then I use it to create server. I would like to rebuild this server such that its image is changed. When I call nova rebuild api with a new image, it is said: Image c1d9.... is ...
0 votes
1 answer
52 views

How do you log in to an OpenStack VM during rescue operation?

I have a CentOS 8 VM with a corrupt filesystem and I want to recover data by rescuing it. I ran openstack server rescue --password somestring myserver. However, when I tried to log in to the VM by ...

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