Require nodes_path for Chef Zero provisioning

Fixes GH-6110

plugins/provisioners/chef/config/chef_zero.rb

@@ -73,6 +73,10 @@ module VagrantPlugins
             errors << I18n.t("vagrant.config.chef.cookbooks_path_empty")
           end
 
+          if [nodes_path].flatten.compact.empty?
+            errors << I18n.t("vagrant.config.chef.nodes_path_empty")
+          end
+
           if environment && environments_path.empty?
             errors << I18n.t("vagrant.config.chef.environment_path_required")
           end

templates/locales/en.yml

@@ -1402,7 +1402,10 @@ en:
       common:
         bad_field: "The following settings shouldn't exist: %{fields}"
       chef:
-        cookbooks_path_empty: "Must specify a cookbooks path for chef solo."
+        cookbooks_path_empty: |-
+          Missing required value for `chef.cookbooks_path'.
+        nodes_path_empty: |-
+          Missing required value for `chef.nodes_path'.
         environment_path_missing: |-
           Environment path not found: %{path}
         environment_path_required: |-

test/unit/plugins/provisioners/chef/config/chef_zero_test.rb

@@ -82,7 +82,7 @@ describe VagrantPlugins::Chef::Config::ChefZero do
       it "returns an error" do
         subject.cookbooks_path = nil
         subject.finalize!
-        expect(errors).to eq [I18n.t("vagrant.config.chef.cookbooks_path_empty")]
+        expect(errors).to include(I18n.t("vagrant.config.chef.cookbooks_path_empty"))
       end
     end
 
@@ -90,7 +90,7 @@ describe VagrantPlugins::Chef::Config::ChefZero do
       it "returns an error" do
         subject.cookbooks_path = []
         subject.finalize!
-        expect(errors).to eq [I18n.t("vagrant.config.chef.cookbooks_path_empty")]
+        expect(errors).to include(I18n.t("vagrant.config.chef.cookbooks_path_empty"))
       end
     end
 
@@ -98,7 +98,31 @@ describe VagrantPlugins::Chef::Config::ChefZero do
       it "returns an error" do
         subject.cookbooks_path = [nil, nil]
         subject.finalize!
-        expect(errors).to eq [I18n.t("vagrant.config.chef.cookbooks_path_empty")]
+        expect(errors).to include(I18n.t("vagrant.config.chef.cookbooks_path_empty"))
+      end
+    end
+
+    context "when the nodes_path is nil" do
+      it "returns an error" do
+        subject.nodes_path = nil
+        subject.finalize!
+        expect(errors).to include(I18n.t("vagrant.config.chef.nodes_path_empty"))
+      end
+    end
+
+    context "when the nodes_path is an empty array" do
+      it "returns an error" do
+        subject.nodes_path = []
+        subject.finalize!
+        expect(errors).to include(I18n.t("vagrant.config.chef.nodes_path_empty"))
+      end
+    end
+
+    context "when the nodes_path is an array with nil" do
+      it "returns an error" do
+        subject.nodes_path = [nil, nil]
+        subject.finalize!
+        expect(errors).to include(I18n.t("vagrant.config.chef.nodes_path_empty"))
       end
     end
 
@@ -111,7 +135,7 @@ describe VagrantPlugins::Chef::Config::ChefZero do
         it "returns an error" do
           subject.environments_path = nil
           subject.finalize!
-          expect(errors).to eq [I18n.t("vagrant.config.chef.environment_path_required")]
+          expect(errors).to include(I18n.t("vagrant.config.chef.environment_path_required"))
         end
       end
 
@@ -119,7 +143,7 @@ describe VagrantPlugins::Chef::Config::ChefZero do
         it "returns an error" do
           subject.environments_path = []
           subject.finalize!
-          expect(errors).to eq [I18n.t("vagrant.config.chef.environment_path_required")]
+          expect(errors).to include(I18n.t("vagrant.config.chef.environment_path_required"))
         end
       end
 
@@ -127,7 +151,7 @@ describe VagrantPlugins::Chef::Config::ChefZero do
         it "returns an error" do
           subject.environments_path = [nil, nil]
           subject.finalize!
-          expect(errors).to eq [I18n.t("vagrant.config.chef.environment_path_required")]
+          expect(errors).to include(I18n.t("vagrant.config.chef.environment_path_required"))
         end
       end
 
@@ -136,11 +160,9 @@ describe VagrantPlugins::Chef::Config::ChefZero do
           env_path = "/path/to/environments/that/will/never/exist"
           subject.environments_path = env_path
           subject.finalize!
-          expect(errors).to eq [
-            I18n.t("vagrant.config.chef.environment_path_missing",
-              path: env_path
-            )
-          ]
+          expect(errors).to include(I18n.t("vagrant.config.chef.environment_path_missing",
+            path: env_path,
+          ))
         end
       end
     end

website/docs/source/v2/provisioning/chef_zero.html.md

@@ -41,8 +41,9 @@ available below this section.
 * `environments_path` (string) - A path where environment definitions are
   located. By default, no environments folder is set.
 
-* `nodes_path` (string or array) - A list of paths where node objects (in JSON format) are stored. By default, no
-  nodes path is set.
+* `nodes_path` (string or array) - A list of paths where node objects
+  (in JSON format) are stored. By default, no nodes path is set. This value is
+  required.
 
 * `environment` (string) - The environment you want the Chef run to be
   a part of. This requires Chef 11.6.0 or later, and that `environments_path`
@@ -75,6 +76,7 @@ Vagrant.configure("2") do |config|
     # Specify the local paths where Chef data is stored
     chef.cookbooks_path = "cookbooks"
     chef.data_bags_path = "data_bags"
+    chef.nodes_path = "nodes"
     chef.roles_path = "roles"
 
     # Add a recipe