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2016-02-15 22:51:56 -0500 asked a question Is there a way to initiate a particular openstack method from user created python scripts

Currently I am using the zone fabric manager to configure san zones. I am trying to figure out some way to get the list of the san mapping of the VMs and fabric switches.

Unfortunately, I have found no CLI nor REST API to achieve this. However I see that there is a python method called get_san_context() to get the list of the fibre channel mapping.

link text

I know this will be some sort of a hack ... but is it possible to initiate that particular openstack method from a user created python scripts ? I'm trying to write a python script on the controller node like writing "from cinder.zonemanager.drivers import fc_zone_driver .... " but cannot figure out how to get this method to work ...

2015-09-25 01:20:04 -0500 commented answer Is it possible to reboot the VM during Software Deployment using HEAT

Sorry I see a code "1003" to reexcute user-data Do you have any information on what this means? "The user data script can keep track of the current state before a reboot by using custom registry values in order to resume execution at the desired.."

2015-09-25 01:15:41 -0500 commented answer Is it possible to reboot the VM during Software Deployment using HEAT

Thank you for your information. I'm still reading the template to understand how this works... so I understand that "1001" is a special code only for windows?

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2015-08-23 20:19:41 -0500 commented answer Is it possible to reboot the VM during Software Deployment using HEAT

Thanks you for your comment.

I hoped that heat had some way to express this. but I do believe your opinion is the most strait forward way to achieve this.

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2015-08-21 03:37:17 -0500 asked a question Is it possible to reboot the VM during Software Deployment using HEAT

We have a requirment to automate software deployment using heat. I believe that this is very common but some softwares requires to install premodules and then REBOOT before installing the the actual softwares. ( .Net framework of Windows for example )

Is this possible to express this in a single heat template ?

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2014-11-03 00:47:47 -0500 commented answer ip address assignment rule

For 1. Thank you for pointing out that For 2. I guess I need to learn about dnsmasq more.

2014-11-03 00:45:58 -0500 commented question ip address assignment rule

fixed, via dnsmasq

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2014-10-30 23:29:57 -0500 asked a question ip address assignment rule

Let's say I have an IP Pool of -

I believe that the first VM instance will get the IP address "" The Second instance will get the IP address "" And the Third "" And so on... meaning I believe the default rule is ascending.

Is it possible to make this rule descending like... -> ->

Is there any configuration file to control the ip assignment rule?

I'm asking this because how openstack chooses the ip address was always a mystery for me...

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2014-05-18 07:43:54 -0500 answered a question What is the difference between Cinder, Glance and Swift?

Personally, I believe the below is the best explained document for your question ( See the nice figure on "Storage Options in OpenStack"

2014-05-18 07:22:16 -0500 asked a question How to configure OpenStack without virtual network

Let say I work at a data-center that has a network infrastructure (dhcp server, etc...) of it's own. I do not want to configure neutrons dhcp servers , open-vswitch, tenant networks. I just want my VM configured with the specific NIC and Networking will be done by some other network infrastructure.

While googling, I think "Provider Network" Is what I need. However I also want to use cloud-init and HEAT and I assume that the deployed VMs need a way to talk to the metadata-proxy( I am not sure if "Provider Network" has the capability to do that.

So in summary my question is ... 1. Is the "Provider Network" the right choice when I don't want openstack to do the networking ? 2. Is it possible to use HEAT and cloud-init while achieving the above ?