As a user of `chef-solo` I would like to leverage the `ebs_volume` resource

[sigmatechnica]

Cookbook version

7.5.0

Platform Details

ubuntu 16.04 on an ec2 node

Scenario:

attempting to attach an ebs volume

Steps to Reproduce:

attempt to attach an ebs volume with chef-solo on an ec2 instance

Expected Result:

volume attaches no errors in chef run

Actual Result:

volume attaches, then chef run terminates with
"I cannot read /etc/chef/client.pem, which you told me to use to sign requests!"

stack trace indicates:
cookbooks/aws/resources/ebs_volume.rb:95:in block (2 levels) in class_from_file' cookbooks/aws/resources/ebs_volume.rb:89:in block in class_from_file'

looking in ebs_volume.rb line 95:
95 node.save # ~FC075

since there is no node.save in chef solo, and we exclusivly use chef solo, there is no client.pem configured and the chef run fails. Adding a guard fixes this, e.g:

node.save unless Chef::Config[:solo]

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[majormoses]

Hey thanks for reporting this but the limitation, after reading the code and this comment: https://github.com/chef-cookbooks/aws/blob/v8.0.3/resources/ebs_volume.rb#L39-L42 I am not sure we can support chef-solo as we need some kind of persistance. We should for the meantime call this out in the README if not already and add a check for use with chef-solo and raise an exception. I am certainly open to ideas on how to safely support chef-solo.