Openvswitch with DPDK support on CloudStack – Part 2 | CloudStack Feature Deep Dive
Introduction In my previous post, I described the new ‘Open vSwitch with DPDK support’ on CloudStack for KVM hosts. There, I focused on describing the feature, as it was new to CloudStack, and also explained the necessary configuration on the KVM agents’ side to enable DPDK support. DPDK (Data Plane Development Kit) (https://www.dpdk.org/) is a […]
What’s coming in the new CloudMonkey 6.0? | CloudStack Feature Deep Dive
Background The original CloudMonkey was contributed to the Apache CloudStack project on 31 Oct 2012 under the Apache License 2.0. It is written in Python and shipped using the Python CheeseShop, and since its inception has gone through several refactors and rewrites. While this has worked well over the years, the installation and usage have been limited […]
Openvswitch with DPDK support on CloudStack | CloudStack Feature Deep Dive
Introduction This blog describes a new feature to be introduced in the CloudStack 4.12 release (already in the current master branch of the CloudStack repository). This feature will provide support for the Data Plane Development Kit (DPDK) in conjunction with Open vSwitch (OVS) for guest VMs and is targeted at the KVM hypervisor. The Data […]
Networking KVM for CloudStack – a 2018 revisit for CentOS7 & Ubuntu 18.04 | CloudStack Feature Deep Dive
Introduction We published the original blog post on KVM networking in 2016 – but in the meantime we have moved on a generation in CentOS and Ubuntu operating systems, and some of the original information is therefore out of date. In this revisit of the original blog post we cover new configuration options for CentOS 7.x […]
Secure Live KVM VM Migration with CloudStack 4.11.1 | CloudStack Feature Deep Dive
Introduction CloudStack 4.11.1 introduces a new security enhancement on top of the new CA framework to secure live KVM VM migrations. This feature allows live migration of guest VMs across KVM hosts using secured TLS enabled libvirtd process. Without this feature, the live migration of guest VMs across KVM hosts would use an unsecured TCP connection, which is prone […]
Software based agent LB for CloudStack | CloudStack Feature Deep Dive
Introduction Last year we implemented a new CA Framework on CloudStack 4.11 to make communications between CloudStack management servers it’s hypervisor agents more secure. As part of that work, we introduced the ability for CloudStack agents to connect to multiple management servers, avoiding the usage of an external load balancer. We’ve now extended the CA Framework by […]
What’s new in CloudStack 4.11? | CloudStack Feature Deep Dive
Version 4.11 of Apache CloudStack has been released with some exciting new features and a long list of improvements and fixes. It includes more than 400 commits, 220 pull requests, and fixes more than 250 issues. This version has been worked on for 8 months and is the first release of the 4.11 LTS releases, […]
CloudStack Usage Service | CloudStack Feature Deep Dive
Introduction CloudStack usage is a complimentary service which tracks end user consumption of CloudStack resources and summarises this in a separate database for reporting or billing. The usage database can be queried directly, through the CloudStack API, or it can be integrated into external billing or reporting systems. For background information on the usage service […]
CloudStack CA Framework | CloudStack Feature Deep Dive
Introduction The CloudStack management server listens by default on port 8250 for agents, and this is secured by one-way SSL authentication using the management server’s self-generated server certificates. While this encrypts the connection, it does not authenticate and validate the connecting agent (client). Upcoming features such as support for container/application cluster services require certificate management, and the emerging […]
Host-HA for KVM Hosts in CloudStack | CloudStack Feature Deep Dive
Intro What is HA? “High availability is a characteristic of a system, which aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. ” — Wikipedia HA in CloudStack is currently supported for VMs only. In order to have it enabled, the service offering of the VM should […]
