Tidy up some formatting where lookup and map functions are used

[max-rocket-internet]

strygin made a PR that was never completed but had some very nice formatting changes in it.

It would be great to get these cosmetic changes merged.

Example 1

Replace this:

resource "null_resource" "tags_as_list_of_maps" {
  count = "${length(keys(var.tags))}"

  triggers = "${map(
    "key", "${element(keys(var.tags), count.index)}",
    "value", "${element(values(var.tags), count.index)}",
    "propagate_at_launch", "true"
  )}"
}

With:

resource "null_resource" "tags_as_list_of_maps" {
  count = "${length(keys(var.tags))}"

  triggers = {
    key                 = "${element(keys(var.tags), count.index)}"
    value               = "${element(values(var.tags), count.index)}"
    propagate_at_launch = "true"
  }
}

Example 2

Replace this:

"${lookup(var.worker_groups[count.index], "asg_max_size",lookup(var.workers_group_defaults, "asg_max_size"))}"

With:

"${lookup(var.worker_groups[count.index], "asg_max_size", var.workers_group_defaults["asg_max_size"])}"

[max-rocket-internet]

Waiting for review in #131

[brandonjbjelland]

I'm in support here 👍

[max-rocket-internet]

DONE!

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