Terraform-provider-helm: verify flag throws `Error: failed to download (hint: running `helm repo update` may help)`

[onlydole]

Terraform Version and Provider Version

Provider Version

Terraform v0.12.29
+ provider.datadog v2.12.0
+ provider.google v3.32.0
+ provider.google-beta v3.32.0
+ provider.helm v1.2.4
+ provider.http v1.2.0
+ provider.kubernetes v1.11.4
+ provider.null v2.1.2
+ provider.random v2.3.0

Affected Resource(s)

• helm_release

Terraform Configuration Files

provider "helm" {
  kubernetes {
    host                   = "https://${module.gke_cluster.endpoint}"
    token                  = data.google_client_config.default.access_token
    cluster_ca_certificate = base64decode(module.gke_cluster.ca_certificate)
  }
}

resource "helm_release" "datadog_agent" {
  name      = "datadog-agent"
  chart     = "stable/datadog"
  version   = "2.3.41"
  namespace = kubernetes_namespace.xxx.id
  verify = true
  set_sensitive {
    name  = "datadog.apiKey"
    value = var.datadog_api_key
  }
}

Debug Output

Error: failed to download "stable/datadog" (hint: runninghelm repo updatemay help)

Expected Behavior

The Helm chart should have installed without issue.

Actual Behavior

Error: failed to download (hint: runninghelm repo updatemay help)

Steps to Reproduce

1. Create a Kubernetes cluster
2. Ensure you can authenticate to that cluster
3. Use the code example above
4. terraform apply

Important Factoids

This ONLY occurs when verify = true is in use. If it is set to false then this works without issue and installs properly.

References

• #537
• #441

Community Note

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[aareet]

@onlydole does this only occur with terraform or does the chart exhibit the same behaviour when the --verify option is used directly with helm?

[onlydole]

@aareet - good catch! I do get an error with Helm when adding --verify

helm install datadog-agent --set datadog.apiKey=xxx stable/datadog --verify

Error: failed to download "stable/datadog" (hint: running `helm repo update` may help)

[aareet]

Thanks for checking @onlydole , I think we can close this one since it seems to be an upstream issue with the chart. That's what we found with issues similar to this one in the past as well.

[onlydole]

Absolutely agree - thank you, @aareet!

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