def self.missing_credentials
missing_credentials_message = "Missing Credentials\n\nTo run as '\#{Fog.credential}', add the following to your resource config file: \#{Fog.credentials_path}\nAn alternate file may be used by placing its path in the FOG_RC environment variable\n\n#######################################################\n# Fog Credentials File\n#\n# Key-value pairs should look like:\n# :aws_access_key_id: 022QF06E7MXBSAMPLE\n:\#{Fog.credential}:\n:aws_access_key_id:\n:aws_secret_access_key:\n:bluebox_api_key:\n:bluebox_customer_id:\n:brightbox_client_id:\n:brightbox_secret:\n:clodo_api_key:\n:clodo_username:\n:go_grid_api_key:\n:go_grid_shared_secret:\n:google_storage_access_key_id:\n:google_storage_secret_access_key:\n:hp_account_id:\n:hp_secret_key:\n:hp_tenant_id:\n:linode_api_key:\n:local_root:\n:bare_metal_cloud_password:\n:bare_metal_cloud_username:\n:public_key_path:\n:private_key_path:\n:openstack_api_key:\n:openstack_username:\n:openstack_auth_url:\n:openstack_tenant:\n:openstack_region:\n:ovirt_username:\n:ovirt_password:\n:ovirt_url:\n:libvirt_uri:\n:rackspace_api_key:\n:rackspace_username:\n:rackspace_servicenet:\n:rackspace_cdn_ssl:\n:stormondemand_username:\n:stormondemand_password:\n:terremark_username:\n:terremark_password:\n:voxel_api_key:\n:voxel_api_secret:\n:zerigo_email:\n:zerigo_token:\n:dnsimple_email:\n:dnsimple_password:\n:dnsmadeeasy_api_key:\n:dnsmadeeasy_secret_key:\n:cloudstack_host:\n:cloudstack_api_key:\n:cloudstack_secret_access_key:\n:vsphere_server:\n:vsphere_username:\n:vsphere_password:\n:libvirt_username:\n:libvirt_password:\n:libvirt_uri:\n:libvirt_ip_command:\n:ibm_username:\n:ibm_password:\n#\n# End of Fog Credentials File\n#######################################################\n\n"
raise(Fog::Errors::LoadError.new(missing_credentials_message))
end