i have heard of people using json in fact values to express arrays.
On Monday, December 2, 2013 8:25:20 AM UTC-5, Matthias Saou wrote:
>
> On Sun, 1 Dec 2013 20:58:34 -0800 (PST)
> Shiva Narayanaswamy <shiva.nar...@gmail.com <javascript:>> wrote:
>
> > I want to implement a scenario where I can mix and match multiple
> > roles on any managed node. The particular roles played by a node are
> > available as facts (role1=webserver, role2=appserver etc )In
> > development all the roles will be played by one host, and in
> > production a server might play only one role.
> >
> > I was hoping there will be some way I can implement this in hiera.
> > Any clues or pointers would be much appreciated.
>
> I've already had to do something similar, and did it the following way :
>
> * A single "role=" fact/variable.
> * Conditionals such as "if "<rolename>" in $role { ..."
>
> It's not the prettiest way, but since facts can't be arrays, it's the
> best I could think of. My role names are all 3 letter long and unique,
> meaning that no role name contains another (role "app" and "app1"
> would cause "app" to be found in "app1).
>
> In hiera (or from a fact) I just need to have a role string :
>
> role: 'role1,role2,role3'
>
> Depending on your environment, it might also make sense to go for
> completely separate variables for each role, such as:
>
> webserver: true
> appserver: true
>
> With matching facts which exist or don't exist.
>
> HTH,
> Matthias
>
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