There is More Than 0 and 1 to Binary Data in Puppet

Sometimes you have the need to manage resources that have binary data. Historically you needed luck to be on your side to make this work (more about this below), and more recently Puppet was given the ability to handle binary data by using the Puppet specific PSON on the wire format instead of JSON.

The problems caused by binary data are caused by two things:

• Ruby does not have a data type for binary data other ...

More about undef

In my earlier blogpost Let’s talk about undef I covered the data type Undef itself. In this blog post I am going to cover what happens when you use undef in puppet manifests and in Ruby.

Over time the Puppet Language undef has been represented internally in different ways. Starting with Puppet 4 (and with future parser in Puppet 3) the compiler (i.e. the puppet language) represents undef as the Ruby nil value.

However, the resource API and the older so called 3.x function API required nil to be transformed to ...

Welcome to StackEdit!

Hi! I’m your first Markdown file in StackEdit. If you want to learn about StackEdit, you can read me. If you want to play with Markdown, you can edit me. Once you have finished with me, you can create new files by opening the file explorer on the left corner of the navigation bar.

if a == b { $x = 'hello' }

Files

StackEdit stores your files in your browser, which means all your files are automatically saved locally and are accessible offline!

Create files and folders

The file explorer is accessible using the button in left ...

Welcome to StackEdit!

Hi! I’m your first Markdown file in StackEdit. If you want to learn about StackEdit, you can read me. If you want to play with Markdown, you can edit me. Once you have finished with me, you can create new files by opening the file explorer on the left corner of the navigation bar.

Files

StackEdit stores your files in your browser, which means all your files are automatically saved locally and are accessible offline!

Create files and folders

The file explorer is accessible using the button in left corner of the navigation bar ...