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fix: eternal churn of environment variables #159

Merged
merged 2 commits into from
Apr 19, 2023
Merged

fix: eternal churn of environment variables #159

merged 2 commits into from
Apr 19, 2023

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kevcube
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@kevcube kevcube commented Apr 18, 2023

what

  • Maybe the AWS container definition API changed but applying a container constructed from this module will post with environment = null which amazon translates to environment = []
  • So every subsequent apply will have changes in terraform like environment = [] ~> null

why

  • if we match what amazon translates to, then the terraform state stays consistent

@kevcube kevcube requested review from a team as code owners April 18, 2023 22:12
kevcube
kevcube commented Apr 18, 2023
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main.tf
@@ -36,7 +36,7 @@ locals {
] : var.mount_points

# https://www.terraform.io/docs/configuration/expressions.html#null
final_environment_vars = length(local.sorted_environment_vars) > 0 ? local.sorted_environment_vars : null
final_environment_vars = length(local.sorted_environment_vars) > 0 ? local.sorted_environment_vars : []
final_secrets_vars = length(local.sorted_secrets_vars) > 0 ? local.sorted_secrets_vars : null
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I did not explicitly test if secrets suffer from the same problem but I suspect they do not

@kevcube kevcube requested a review from a team as a code owner April 19, 2023 02:06
@Gowiem
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Gowiem commented Apr 19, 2023

/test all

Gowiem
Gowiem approved these changes Apr 19, 2023
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LGTM

@Gowiem Gowiem added the patch A minor, backward compatible change label Apr 19, 2023
@Gowiem Gowiem changed the title fix eternal churn of environment variables fix: eternal churn of environment variables Apr 19, 2023
@Gowiem Gowiem enabled auto-merge (squash) April 19, 2023 02:19
@Gowiem Gowiem merged commit f737d47 into cloudposse:master Apr 19, 2023
@kevcube kevcube deleted the patch-1 branch April 19, 2023 15:33
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@aknysh aknysh aknysh approved these changes

@Gowiem Gowiem Gowiem approved these changes

@korenyoni korenyoni Awaiting requested review from korenyoni korenyoni was automatically assigned from cloudposse/contributors

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@kevcube @Gowiem @aknysh