[one-users] Multiple REQUIREMENTS

[Carlos Martín Sánchez]

Yes, from the docs:
http://opennebula.org/documentation:rel3.8:template#requirement_expression_syntax

The syntax of the requirement expressions is defined as:
>


  stmt::= expr';'
>   expr::= VARIABLE '=' NUMBER
>         | VARIABLE '!=' NUMBER
>         | VARIABLE '>' NUMBER
>         | VARIABLE '<' NUMBER
>         | VARIABLE '=' STRING
>         | VARIABLE '!=' STRING
>         | expr '&' expr
>         | expr '|' expr
>         | '!' expr
>         | '(' expr ')'
>


Each expression is evaluated to 1 (TRUE) or 0 (FALSE). Only those hosts for
> which the requirement expression is evaluated to TRUE will be considered to
> run the VM.
> Logical operators work as expected ( less '<', greater '>', '&' AND, '|'
> OR, '!' NOT), '=' means equals with numbers (floats and integers). When you
> use '=' operator with strings, it performs a shell wildcard pattern
> matching.


Regards
--
Carlos Martín, MSc
Project Engineer
OpenNebula - The Open-source Solution for Data Center Virtualization
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>


On Mon, Feb 18, 2013 at 11:20 PM, Steven Timm <timm at fnal.gov> wrote:

>
> What is the syntax if you want to use more than one REQUIREMENT
> in the REQUIREMENTS statement of an OpenNebula template.
> For instance
>
> suppose I want to have both
>
> REQUIREMENTS = "PARTTHREE=\"/dev/mapper/**fcl319sata-vm2t1\""
>
> and
>
> REQUIREMENTS = "HYPERVISOR=\"kvm\""
>
> are  the && (and), || (or) operators supported?
>
> Steve Timm
>
>
> ------------------------------**------------------------------**------
> Steven C. Timm, Ph.D  (630) 840-8525
> timm at fnal.gov  http://home.fnal.gov/~timm/
> Fermilab Computing Division, Scientific Computing Facilities,
> Grid Facilities Department, FermiGrid Services Group, Group Leader.
> Lead of FermiCloud project.
> ______________________________**_________________
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