Blender and blender-chef

gistfile1.txt

darron@server:~/blender$ knife search 'role:chef-server'
1 items found

Node Name:   i-xxxxxxx
Environment: staging
FQDN:        ip-an-ip-address-goes-here.ec2.internal
IP:          xx.xx.xx.xx
Run List:    role[chef-server]
Roles:       chef-server
Platform:    ubuntu 12.04
Tags:

darron@server:~/blender$ cat config.json
{
  "node_name": "darron",
  "chef_server_url": "https://chef-server",
  "client_key": "/home/darron/.chef/darron.pem"
}

darron@server:~/blender$ cat blender.rb
require 'blender/discoveries/chef'

ruby_task 'print host name' do
  execute do |host|
    Blender::Log.info("Host: #{host}")
  end
  members search(:chef, 'role:chef-server')
end
darron@server:~/blender$ blend -f blender.rb -c config.json
[2014-10-20T21:27:45+00:00] WARN: Failed to read the private key /etc/chef/client.pem: #<Errno::EACCES: Permission denied @ rb_sysopen - /etc/chef/client.pem>
/var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/authenticator.rb:78:in `rescue in load_signing_key': I cannot read /etc/chef/client.pem, which you told me to use to sign requests! (Chef::Exceptions::PrivateKeyMissing)
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/authenticator.rb:68:in `load_signing_key'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/authenticator.rb:38:in `initialize'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/rest.rb:66:in `new'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/rest.rb:66:in `initialize'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/search/query.rb:34:in `new'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/search/query.rb:34:in `initialize'
	from /var/lib/gems/2.1.0/gems/blender-chef-0.0.1/lib/blender/discoveries/chef.rb:43:in `new'
	from /var/lib/gems/2.1.0/gems/blender-chef-0.0.1/lib/blender/discoveries/chef.rb:43:in `search'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/discovery.rb:34:in `search_with_config'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/discovery.rb:38:in `search'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:61:in `block (2 levels) in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/scheduler/dsl.rb:109:in `instance_eval'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/scheduler/dsl.rb:109:in `ruby_task'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:57:in `block in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:55:in `instance_eval'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:55:in `block in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender.rb:40:in `blend'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:54:in `from_file'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/command.rb:27:in `run'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/invocation.rb:126:in `invoke_command'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor.rb:359:in `dispatch'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/base.rb:440:in `start'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/bin/blend:20:in `<top (required)>'
	from /usr/local/bin/blend:23:in `load'
	from /usr/local/bin/blend:23:in `<main>'
darron@server:~/blender$ sudo blend -f blender.rb -c config.json
/var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/auth_credentials.rb:40:in `signature_headers': Cannot sign the request without a client name, check that :node_name is assigned (ArgumentError)
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/authenticator.rb:88:in `authentication_headers'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http/authenticator.rb:43:in `handle_request'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http.rb:217:in `block in apply_request_middleware'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http.rb:215:in `each'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http.rb:215:in `inject'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http.rb:215:in `apply_request_middleware'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/http.rb:139:in `request'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/rest.rb:115:in `get'
	from /var/lib/gems/2.1.0/gems/chef-11.12.8/lib/chef/search/query.rb:42:in `search'
	from /var/lib/gems/2.1.0/gems/blender-chef-0.0.1/lib/blender/discoveries/chef.rb:44:in `search'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/discovery.rb:34:in `search_with_config'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/discovery.rb:38:in `search'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:61:in `block (2 levels) in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/scheduler/dsl.rb:109:in `instance_eval'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/scheduler/dsl.rb:109:in `ruby_task'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:57:in `block in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:55:in `instance_eval'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:55:in `block in from_file'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender.rb:40:in `blend'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/lib/blender/cli.rb:54:in `from_file'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/command.rb:27:in `run'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/invocation.rb:126:in `invoke_command'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor.rb:359:in `dispatch'
	from /var/lib/gems/2.1.0/gems/thor-0.19.1/lib/thor/base.rb:440:in `start'
	from /var/lib/gems/2.1.0/gems/pd-blender-0.0.1/bin/blend:20:in `<top (required)>'
	from /usr/local/bin/blend:23:in `load'
	from /usr/local/bin/blend:23:in `<main>'