provider/aws ignores value in tags with keys containing a dot

[thegedge]

For example, create a simple VPC:

resource "aws_vpc" "default" {
  cidr_block = "10.0.0.0/16"
  enable_dns_support = true
  enable_dns_hostnames = true
}

Now go to the AWS console and add a foo.bar tag to the VPC with some value, say spam and eggs. Now add foo.bar = "spam and eggs" to aws_vpc.default.tags and you'll see that terraform appears to ignore the value and want to empty the tag.

Tested against d2d9ec3.

[phinze]

Hi there - this is a duplicate of #2143 which has a decent amount of discussion around the issue.

[ghost]

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