techbackground.blogspot.com
an openstack tech blogA blog about OpenStack, Python, Linux and network virtualization
http://techbackground.blogspot.com/
A blog about OpenStack, Python, Linux and network virtualization
http://techbackground.blogspot.com/
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an openstack tech blog | techbackground.blogspot.com Reviews
https://techbackground.blogspot.com
A blog about OpenStack, Python, Linux and network virtualization
techbackground.blogspot.com
an openstack tech blog: Metadata via the DHCP namespace
http://techbackground.blogspot.com/2013/06/metadata-via-dhcp-namespace.html
An openstack tech blog. Wednesday, 19 June 2013. Metadata via the DHCP namespace. This is a follow-on from the previous post. That described how metadata requests go from instances to the Nova metadata service via a namespace proxy in a Quantum router namespace. This post shows how requests can go via a namespace proxy in a DHCP namespace instead. This method can only be used on isolated subnets. First enable it in /etc/quantum/dhcp agent.ini. And restart the service. Root@netnode:/# ip netns grep qdhcp ...
an openstack tech blog: Automated OpenStack Folsom with Quantum install using Ansible/Vagrant/VirtualBox
http://techbackground.blogspot.com/2013/03/automated-openstack-folsom-with-quantum.html
An openstack tech blog. Saturday, 30 March 2013. Automated OpenStack Folsom with Quantum install using Ansible/Vagrant/VirtualBox. Folsom branch) installs OpenStack Folsom with Quantum networking fully configured in about 10 minutes - once the prereqs are in place. The readme has the usage. It is written in Ansible. Which is easy to learn and quick to work with. It uses the OpenStack packages from the Ubuntu cloud archive. And sets up this configuration:. Laptop$ vagrant ssh controller. Vagrant@controlle...
an openstack tech blog: The Open vSwitch plugin with VLANs
http://techbackground.blogspot.com/2013/07/the-open-vswitch-plugin-with-vlans.html
An openstack tech blog. Wednesday, 31 July 2013. The Open vSwitch plugin with VLANs. This post looks at the Grizzly Open vSwitch plugin when it is configured to use VLANs to isolate the VM traffic of different Quantum networks on the physical network. For this example the OVS section of /etc/quantum/plugins/openvswitch/ovs quantum plugin.ini. On the controller, network and compute nodes is:. These settings are described here. Interface "int-br-eth2" Port br-int Interface br-int type: internal ovs version...
an openstack tech blog: May 2013
http://techbackground.blogspot.com/2013_05_01_archive.html
An openstack tech blog. Friday, 17 May 2013. The Quantum L3 router and floating IPs. This post shows how the Quantum L3 Agent uses the Linux IP stack to implement the Quantum L3 Routing and NAT API extensions. It explains in detail how external access with floating IP works and how it can be debugged. Friday, 10 May 2013. Debugging Quantum DHCP and Open vSwitch. The Quantum L3 router and floating IPs. Debugging Quantum DHCP and Open vSwitch. Simple theme. Powered by Blogger.
an openstack tech blog: Debugging Quantum DHCP and Open vSwitch
http://techbackground.blogspot.com/2013/05/debugging-quantum-dhcp-and-open-vswitch.html
An openstack tech blog. Friday, 10 May 2013. Debugging Quantum DHCP and Open vSwitch. This post describes how Quantum DHCP in Grizzly works when using the Open vSwitch plugin. A basic understanding of the mechanism is needed to troubleshoot issues. First verify that the instance did not get an IP address by checking its console log. This can be done from the web dashboard or the nova command and you should see something like this if there was a problem and you are using the cirros test image:. This post ...
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Setting Up an External OpenStack Testing System – Part 1 – join-fu!
http://www.joinfu.com/2014/02/setting-up-an-external-openstack-testing-system
The art of sql. Setting Up an External OpenStack Testing System – Part 1. February 14, 2014. This post is intended to walk somone through the process of establishing an external testing platform that is linked with the upstream OpenStack continuous integration platform. If you haven’t already, please do read the first article in this series that discusses the upstream OpenStack CI platform in detail. What Does an External Test Platform Do? Why Set Up an External Test Platform? The Tools You Will Need.
Gerrit – join-fu!
http://www.joinfu.com/category/gerrit
The art of sql. Setting Up an External OpenStack Testing System – Part 2. February 18, 2014. In this third article in the series, we discuss adding one or more Jenkins slave nodes to the external OpenStack testing platform. That you (hopefully) set up in the second article in the series. The Jenkins slave nodes we create today will run Devstack. And execute a set of Tempest. Integration tests against that Devstack environment. Add a Credentials Record on the Jenkins Master. Once there, follow these steps:.
Testing – join-fu!
http://www.joinfu.com/category/testing
The art of sql. Setting Up an External OpenStack Testing System – Part 2. February 18, 2014. In this third article in the series, we discuss adding one or more Jenkins slave nodes to the external OpenStack testing platform. That you (hopefully) set up in the second article in the series. The Jenkins slave nodes we create today will run Devstack. And execute a set of Tempest. Integration tests against that Devstack environment. Add a Credentials Record on the Jenkins Master. Once there, follow these steps:.
openstack – join-fu!
http://www.joinfu.com/category/openstack
The art of sql. Understanding reservations, concurrency, and locking in Nova. January 6, 2015. Imagine that two colleagues, Alice and Bob, issue a command to launch a new virtual machine at approximately the same moment in time. Both Alice’s and Bob’s virtual machines must be given an IP address within the range of IP addresses granted to their project. Let’s say that range is. Which would allow for a total of 16 IP addresses for virtual machines. Now, within the. The tasks are all pretty straightforward...
Puppet – join-fu!
http://www.joinfu.com/category/puppet
The art of sql. Setting Up an External OpenStack Testing System – Part 2. February 18, 2014. In this third article in the series, we discuss adding one or more Jenkins slave nodes to the external OpenStack testing platform. That you (hopefully) set up in the second article in the series. The Jenkins slave nodes we create today will run Devstack. And execute a set of Tempest. Integration tests against that Devstack environment. Add a Credentials Record on the Jenkins Master. Once there, follow these steps:.
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an openstack tech blog
An openstack tech blog. Wednesday, 31 July 2013. The Open vSwitch plugin with VLANs. This post looks at the Grizzly Open vSwitch plugin when it is configured to use VLANs to isolate the VM traffic of different Quantum networks on the physical network. Wednesday, 19 June 2013. Metadata via the DHCP namespace. This is a follow-on from the previous post. Thursday, 13 June 2013. Metadata via the Quantum router. Grizzy adds support. 160;for the Nova metadata service. Monday, 10 June 2013. This post shows h...
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