I have below dictionary (generated from a report, so the structure can change). I need to go to the depth of the dictionary, find the id which in this case is 'id': u'ef3c8cf1-0987-4e56-a6d5-763c42...

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 ...

I have couple of VMs running on Openstack. I have one data network gateway assigned into the switch with MTU=1500, where VMs has to running. Also in Openstack, I have set the default MTU=15...

I can enable CORS in OVH Object Storage (that uses OpenStack Swift) using this command curl -i -XPUT -H "X-Auth-Token: xxxxxxxxxxx" -H "X-Container-Meta-Access-Control-Allow-Origin: *" https://st...

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...

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-...

I am looking into the python shade module in order to automate some tasks using our OpenStack installation. This page instructs: Create a configuration file to store your user name, password, ...

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 identi...

I am working in the code modifications on my local setup of openstack Designate. Actually it was working fine before. But now I am trying to execute the same command which was working fine before...

I have a openstack private cloud deployed at my organization. I have some virtual images like ubuntu image, windows image which are uploaded through the openstack dashboard. But i would like to kno...

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

From inside a docker container, I'm running # openssl s_client -connect rubygems.org:443 -state -nbio 2>&1 | grep "^SSL" SSL_connect:before/connect initialization SSL_connect:SSLv2/v3 wri...

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...

I use the command below to get the token. curl -s -X POST http://127.0.0.1:5000/v2.0/tokens -H "Content-Type: application/json" -d '{"auth": {"tenantName": "'"$OS_TENANT_NAME"'", "passwordCredenti...

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...

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 OpenStac...

I want to calculate and show node specific cpu usage in percent in my own web application using Kubernetes API. I need the same information as Kube UI and Cadvisor displays but I want to use the ...

This is what I did: 1) Cloned devstack kilo using the command: git clone https://github.com/openstack-dev/devstack.git -b stable/kilo 2) cd devstack 3) ./stack.sh I get the following error whi...

I am trying to run a simple instance after a fresh installation of OpenStack. The instance cannot start and in the log I found "libvirtError: internal error Cannot find suitable CPU model for given...

I am installing OpenStack on my local machine via this link. But I am having trouble in completely removing installed components from my local machine. I ran following command:- $ sudo ./unstack.s...

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 ...

I want to get the auth token from keystone using horizon and then wants to pass that auth token to my backed code. i don't know how to get this, please help me out. I read many articles and blogs...

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 ...

I have created an environment with several Linux hosts based on KVM. I'm using virt-manager to create different VMs and I'm using Linux bridges to create connectivity between VMs in different hosts...

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, insta...