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fix: incorrect node_pools variable type #1424

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merged 2 commits into from
Oct 26, 2022

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michaellzc
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@michaellzc michaellzc commented Oct 12, 2022

node_pool map is a mix of string, bool, and number. therefore, it is better to use map(any) to indicate its type

moreover, list(map(string)) is breaking the use of this module in cdktf.

cdktf infers the type of module options based on the provided variable type. in the generated code, it will produce []map[string]string for node_pools option,
but we want []map[string]interface{} in order to pass correct value

e.g. initial_node_count is a number not string

│ Error: Incorrect attribute value type
│
│   on .terraform/modules/gke_self_15C14BFE/modules/beta-private-cluster/cluster.tf line 434, in resource "google_container_node_pool" "pools":
│  434:   initial_node_count = lookup(each.value, "autoscaling", true) ? lookup(
│  435:     each.value,
│  436:     "initial_node_count",
│  437:     lookup(each.value, "min_count", 1)
│  438:   ) : null
│     ├────────────────
│     │ each.value is map of string with 16 elements
│
│ Inappropriate value for attribute "initial_node_count": a number is required.

notes: this change is fairly safe and I did not run any integration test from this repo

`node_pool` variables are a mix of string, bool, number
therefore, it is better to use `map(any)` to indicate its type

moreover, the use of `list(map(string))` is breaking
the use of this module in `cdktf`.

in the generated code it will produce
`[]map[string]string` for `node_pools` option
but we want `[]map[string]interface{}` in order to pass correct value,
e.g. `initial_node_count` is a `number` not `string`
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@michaellzc
Thanks for the PR! 🚀
✅ Lint checks have passed.

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@bharathkkb bharathkkb left a comment

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Thanks @michaellzc! This seems reasonable. We would likely move to a typed object with optional support at some point.

@bharathkkb bharathkkb merged commit faaee19 into terraform-google-modules:master Oct 26, 2022
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3 participants