Both of those solutions require Amazon to do "something" to the instance itself and thus limit the kinds of machines you can run on EC2. Custom kernels, FreeBSD, etc..
Their current metadata approach works across OSes.
And, yes, the data are dynamic. Things like AWS access keys change over time and can be accessible via the metadata if you've given the instances IAM profiles. I'm surprised the author didn't mention this.
I agree that the approach feels uncomfortable in general but it seems like the best approach for the functionality they wanted.
Their current metadata approach works across OSes.
And, yes, the data are dynamic. Things like AWS access keys change over time and can be accessible via the metadata if you've given the instances IAM profiles. I'm surprised the author didn't mention this.
I agree that the approach feels uncomfortable in general but it seems like the best approach for the functionality they wanted.