Chef Recipe Loop Through Array

Or you might have seen her hand rolling pasta behind the bar of monteverde her hit west loop restaurant.

Chef recipe loop through array. An important advantage of arrays in c is the ability to use a for loop or foreach loop to cycle through the elements of the array. For instance instead of creating 10 tasks for installing 10 different packages you can create a single task and use a loop to repeat the task with all the different packages you want to install. Soon enough i needed to loop through a hash of attributes in order to make my recipe s. With hashes this merge is relatively straight forward if both the original and override values are hashes they are recursively merged together all the way down.

This tech recipe shows a few methods for looping through the values of an array in the bash shell. In chef 11 the. The include recipe method ensures that a given recipe is loaded but it doesn t import anything into the recipe doing the including. An array is an integer indexed collection of objects.

Each element in an array can be associated with and referred to by an index. In a quest to make it easier for myself and others to modify my chef recipes i thought it was about time i started to use attributes much more seriously than i had been doing previously. A simple for loop can iterate through this array one value at a time. Loops are typically used to repeat a task using different input values.

Chef supports all ruby loop structures for creating loops inside recipes. Her pesto recipe made the old fashioned way with a mortar and pestle is the perfect versatile sauce to spoon over pasta fish. Karl november 4 2016. Suppose you have declared an array of integers and you want to know which variable contains a specific value.

Chef attributes exist in a nested structure where different sources and precedence levels are merged together to form the final attributes that your recipes run against. Names jennifer tonya anna sadie the following expression evaluates into all values of the array. The problem is that the function is being defined inside a recipe and can only be used within that recipe. Names it also can be used anywhere a variable or string can be used.

Looping through attributes within chef recipes. Since your function is being used to declare a chef resource with some calculated parameters the closest thing to look at is the definition chef docs. A loop statement is created when each is added to an expression that defines an array or a hash. Take for example the array definition below.

Because your data is structured in an array you can loop through the array s elements in order to find the value you are interested in. Looping through attributes within chef recipes. This logic is less clear on arrays though.