Terraform crash when using docker_network with aux_address = {foo: ip}

[dubo-dubon-duponey]

Terraform Version

0.13.5

Affected Resource(s)

docker_network

Terraform Configuration Files

resource "docker_network" "vlan" {
  ipam_config {
    aux_address = {
      foo: "1.2.3.4"
   }
  }
}

Panic Output

I can't do that right now.
The config is massive and does leak a lot of important info that I would have to scrub out first.

The bug is easy to reproduce though.

Expected Behavior

Not crash.

Actual Behavior

Crash.

Steps to Reproduce

1. terraform apply

Notes

I'm out of my depth here.

Feels to me though that:

terraform-provider-docker/docker/resource_docker_network_funcs.go

Line 127 in 75c8db4

auxAddressRaw := ipamConfigRaw["aux_address"].(map[string]interface{})

^ is problematic

[suzuki-shunsuke]

I could reproduce the panic.

$ terraform version
Terraform v0.13.5
+ provider registry.terraform.io/kreuzwerker/docker v2.8.0

resource "docker_network" "vlan" {
  name = "pr-8"
  ipam_config {
    subnet = "192.168.0.0/16"
    aux_address = {
      foo : "192.168.1.5"
    }
  }
}

provider "docker" {
}

terraform {
  required_providers {
    docker = {
      source = "kreuzwerker/docker"
    }
  }
  required_version = ">= 0.13"
}

$ TF_LOG=DEBUG terraform apply

...

panic: interface conversion: interface {} is map[string]string, not map[string]interface {}

...

2020-12-02T12:24:36.815+0900 [DEBUG] plugin.terraform-provider-docker_v2.8.0:   github.com/terraform-providers/terraform-provider-docker/docker/resource_docker_network_funcs.go:231 +0x329

...

terraform-provider-docker/docker/resource_docker_network_funcs.go

Line 231 in b8d28d6

return schema.NewSet(f, out)

AuxAddress is map[string]string, so I guess we have to convert it to map[string]interface{}.