modify consul_acl resource to support SSL options

[shayangz]

Currently the consul_acl resource breaks with an SSL only Consul cluster. This PR adds ability to pass optional SSL attributes to enable using the resource in such situations.

[legal90]

Hi @shayangz,
Thank you for the contribution! Adding SSL options to consul_acl is a good idea. But since ssl hash is passing through Diplomat directly to Faraday HTTP lib, may be it would be better an easier just to add a single attribute ssl to allow users to pass the desired hash?

      # @!attribute ssl
      # @return [Hash]

      attribute(:ssl, kind_of: Hash, default: {})

Then it should be possible to pass a hash with custom SSL settings:

consul_acl 'token' do
  # ... other params
  ssl({
    client_cert: '...',
    client_key: '...',
    ca_file: '...',
    ca_path: '...',
    cert_store: '...'
  })
end

as well as this one (to disable peer verification):

consul_acl 'token' do
  # ... other params
  ssl({ verify: false })
end

[shayangz]

Consolidating the options into a single Hash sounds great. Updated the PR.

[legal90]

@shayangz Thank you!

[lock]

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