Introduction to Heat Heat is the main orchestration engine for OpenStack, and is used my OpenStack director to install an OpenStack Overcloud environment. When we run the "openstack deploy overcloud" command, we are specificallytelling RHEL OSP director that we want it to use the pre-defined Heat templates from/usr/share/openstack-tripleo-heat-templates/. OSP director will manage thedeployment of a … Continue reading OpenStack: Introduction to Troubleshooting Heat
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Red Hat OpenStack 8: Making your Undercloud Immutable
Introduction This article will show you how to block the overcloud from being deleted. Blocking Users from Deleting the Overcloud Stack First make a backup copy of /etc/heat/policy.json $sudo cp /etc/heat/policy.json /etc/heat/policy.json.orig Run the command below to see the default stacks:delete policy. $ sudo grep -m1 stacks:delete /etc/heat/policy.json"stacks:delete": "rule:deny_stack_user", Then, make it so that we … Continue reading Red Hat OpenStack 8: Making your Undercloud Immutable
Deploying Red Hat OpenStack 10 via the Tripleo UI
In this lab, we are going to deploy a functional, yet simple, Overcloud via the Tripleo WebUI using Virtual Machines. Our test deployment will consist of three Overcloud Controller Nodes (configured with HA) and one Overcloud Compute Node. Hypervisor Details InterfaceIP AddressInterfaceIP AddressInterfaceIP Address em1 10.13.32.31 virbr0 192.168.122.1 virbr1 192.168.122.253 Undercloud VM Details InterfaceIP AddressInterfaceIP … Continue reading Deploying Red Hat OpenStack 10 via the Tripleo UI
How to Determine Installed OpenStack director Version
Trying to determine that version of Red Hat OpenStack director that is installed on an Undercloud Controller is not as straight forward as one would hope. I have created the simple table below that you can use to determine your installed director version via the installed version of the openstack-tripleo-heat-templates rpm. Minimum RPM Version Release Date director Version openstack-tripleo-heat-templates-0.8.6-123.el7ost … Continue reading How to Determine Installed OpenStack director Version
OpenStack director Overcloud Image Build Using the RHN Portal
Most of the documentation that I see on the subject of building your own Overcloud images use repos that are not available to most users. Today, I am going to document two additional scenarios. One, using a local Satellite server, and the other using the Red Hat (RHN) Portal. RHEL Portal Registration Here are the … Continue reading OpenStack director Overcloud Image Build Using the RHN Portal