[Openstack] Can I use more than one flavors on the heat create-stack command?

Pavlo Shchelokovskyy pshchelokovskyy at mirantis.com
Thu Oct 23 10:28:56 UTC 2014


could you please post the exact template and the exact command to create
the stack from this template you were using when you got this error? It
would really help to understand the problem better.

Best regards,
Pavlo Shchelokovskyy.

On Thu, Oct 23, 2014 at 12:08 PM, Michelakis, Spiros (NSN - GR/Athens) <
spiros.michelakis at nsn.com> wrote:

>  Hi,
> I’m trying to create a stack by using heat templates. I’m using this
> command, as it is described in OSR manual:
> *stack-create mystack --template-file
> /PATH_TO_HEAT_TEMPLATES/WordPress_Single_Instance.template --parameters
> "InstanceType=m1.large;DBUsername=USERNAME;DBPassword=PASSWORD;KeyName=HEAT_KEY;LinuxDistribution=F17"*
> when I try to run this command having the same flavor for all my
> instances, it works fine. The problem raises when I want to create 2 or
> more instances with different flavors on each one of them.
> I’m using these parameters on the “–parameters” field on the above command
> :
> *{"key_name":"security_key","image_name":"my_image_name","cluster_identification":"<tenant_name>","disk_config_size":"1","disk_mstate_size":"1","disk_log_size":"1","disk_services_size":"1",*
> *"flavor_1":"**small_**flavor_1_name","flavor_2":"**small_*
> *flavor_2_name"**}*
> The error that raises when I’m trying to execute this command is:
> *“**error: NegativeStateReached: Object
> "id:c2dda18d-9019-4e9c-8514-245650e4b201
> name:ng-ci-20141020-184706-heat_name" negative state
> "stack_status":"CREATE_FAILED" reached (Resource CREATE failed: Error:
> Creation of server 2 failed.)**”*
> I have checked logs under /var/log/messages and
> /var/log/nova/scheduler.log without any findings.
> My questions:
>     1. Is there any restriction on the “–parameters” field of the above
>    command that prevents from running this command for more than one
>    flavors in this command?
>    2. I have read in a forum that in order to implement this, we have to
>    specify an availability zone other than the default one (nova AZ)
>    including the instances we want to use on the –parameters field. Is
>    this true? I cannot find any “logical explanation” behind that thought…
>    .. How the existence of an AZ would affect the execution of this
>    command?
> I would appreciate if you could provide me with any kind of tip or
> solution for this issue.
> Thank you in advance for your support.
> BR,
> Michelakis Spyros
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