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[Heat] Reg accessing variables of resource group heat api


On Wed, 2019-02-13 at 13:48 +0000, NANTHINI A A wrote:
> Hi ,
>    As per your suggested change ,I am able to create network
> A1,network A2 ; in second iteration network b1,network b2 .But I want
> to reduce number of lines of variable params.hence tried using repeat
> function .But it is not working .Can you please let me know what is
> wrong here .
>  
> I am getting following error .
> root at cic-1:~# heat stack-create test2 -f main.yaml
> WARNING (shell) "heat stack-create" is deprecated, please use
> "openstack stack create" instead
> ERROR: AttributeError: : resources.rg: : 'NoneType' object has no
> attribute 'parameters'
>  
> root at cic-1:~# cat main.yaml
> heat_template_version: 2015-04-30
>  
> description: Shows how to look up list/map values by group index
>  
> parameters:
>   sets:
>     type: comma_delimited_list
>     label: sets
>     default: "A,B,C"
>   net_names:
>     type: json
>     default:
>      repeat:
>        for each:
>          <%set%>: {get_param: sets}
>          template:
>            - network1: Network<%set>1
>              network2: Network<%set>2
>  

I don't think you can use the repeat function in the parameters
section. You could try using a OS::Heat::Value resource in the
resources section below to iterate over the sets parameter. Then use
get_attr to read the result of the heat value and pass that as names to
nested.yaml.

>  
> resources:
>   rg:
>     type: OS::Heat::ResourceGroup
>     properties:
>       count: 3
>       resource_def:
>         type: nested.yaml
>         properties:
>           # Note you have to pass the index and the entire list into
> the
>           # nested template, resolving via %index% doesn't work
> directly
>           # in the get_param here
>           index: "%index%"
>           names: {get_param: net_names}

Alternatively you could put the repeat function here?

    names:
      repeat:
        for each:
          [ ... ]

>  
> outputs:
>   all_values:
>     value: {get_attr: [rg, value]}
> root at cic-1:~#
>  
>  
> Thanks in advance.
>  
>  
> Regards,
> A.Nanthini
>  
> From: Rabi Mishra [mailto:ramishra at redhat.com] 
> Sent: Wednesday, February 13, 2019 9:07 AM
> To: NANTHINI A A <nanthini.a.a at ericsson.com>
> Cc: hjensas at redhat.com; openstack-dev at lists.openstack.org
> Subject: Re: [Heat] Reg accessing variables of resource group heat
> api
>  
>  
> On Tue, Feb 12, 2019 at 7:48 PM NANTHINI A A <
> nanthini.a.a at ericsson.com> wrote:
> > Hi ,
> >     I followed the example given in random.yaml .But getting below
> > error .Can you please tell me what is wrong here .
> >  
> > root at cic-1:~# heat stack-create test -f main.yaml
> > WARNING (shell) "heat stack-create" is deprecated, please use
> > "openstack stack create" instead
> > ERROR: Property error: :
> > resources.rg<nested_stack>.resources[0].properties: : Unknown
> > Property names
> > root at cic-1:~# cat main.yaml
> > heat_template_version: 2015-04-30
> >  
> > description: Shows how to look up list/map values by group index
> >  
> > parameters:
> >   net_names:
> >     type: json
> >     default:
> >     - network1: NetworkA1
> >       network2: NetworkA2
> >     - network1: NetworkB1
> >       network2: NetworkB2
> >  
> >  
> > resources:
> >   rg:
> >     type: OS::Heat::ResourceGroup
> >     properties:
> >       count: 3
> >       resource_def:
> >         type: nested.yaml
> >         properties:
> >           # Note you have to pass the index and the entire list
> > into the
> >           # nested template, resolving via %index% doesn't work
> > directly
> >           # in the get_param here
> >           index: "%index%"
>  
> >           names: {get_param: net_names}
> 
>  property name should be same as parameter name in you nested.yaml
> >  
> > outputs:
> >   all_values:
> >     value: {get_attr: [rg, value]}
> > root at cic-1:~# cat nested.yaml
> > heat_template_version: 2013-05-23
> > description:
> >   This is the template for I&V R6.1 base configuration to create
> > neutron  resources other than sg and vm for vyos vms
> > parameters:
> >    net_names:
> 
> changing this to 'names' should fix your error.
> >      type: json
> >    index:
> >      type: number
> > resources:
> >   neutron_Network_1:
> >     type: OS::Neutron::Net
> >     properties:
> >       name: {get_param: [names, {get_param: index}, network1]}
> >  
> >  
> > Thanks,
> > A.Nanthini
> >  
> > From: Rabi Mishra [mailto:ramishra at redhat.com] 
> > Sent: Tuesday, February 12, 2019 6:34 PM
> > To: NANTHINI A A <nanthini.a.a at ericsson.com>
> > Cc: hjensas at redhat.com; openstack-dev at lists.openstack.org
> > Subject: Re: [Heat] Reg accessing variables of resource group heat
> > api
> >  
> > On Tue, Feb 12, 2019 at 11:14 AM NANTHINI A A <
> > nanthini.a.a at ericsson.com> wrote:
> > > Hi ,
> > >    May I know in the following example given
> > > 
> > > parameters:
> > >   resource_name_map:
> > >     - network1: foo_custom_name_net1
> > >       network2: foo_custom_name_net2
> > >     - network1: bar_custom_name_net1
> > >       network2: bar_custom_name_net2   
> > >    what is the parameter type ?
> > 
> >  
> > json
> >  
> 
> 
> --
> Regards,
> Rabi Mishra
>