lib/roro/cli/base/configuration.rb in roro-0.3.4 vs lib/roro/cli/base/configuration.rb in roro-0.3.5

@@ -3,12 +3,13 @@
 
   class CLI < Thor
     
     no_commands do
       
-      def get_configuration_variables
+      def get_configuration_variables(hash={})
         options["interactive"] ? set_interactively : set_from_defaults
+        hash.each { |k,v| @env_hash[k] = v } unless hash.nil? 
         @env_hash[:deploy_tag] = "${CIRCLE_SHA1:0:7}"
         @env_hash[:server_port] = "22"
         @env_hash[:server_user] = "root"
         @env_hash
       end
@@ -25,39 +26,93 @@
         @env_hash = configuration_hash
         @env_hash.map do |key, prompt|
           answer = ask("Please provide #{prompt.keys.first} or hit enter to accept: \[ #{prompt.values.first} \]")
           @env_hash[key] = (answer == "") ? prompt.values.first : answer
         end  
-      end 
+      end
       
+      def confirm_dependencies
+        dependencies = [
+          {
+            system_query: "which docker",
+            warning: "Docker isn't installed",
+            suggestion: "https://docs.docker.com/install/"
+          }, {
+            system_query: "which docker-compose",
+            warning: "Docker Compose isn't installed",
+            suggestion: "https://docs.docker.com/compose/install/"
+
+          }, {
+            system_query: "docker info",
+            warning: "the Docker daemon isn't running",
+            suggestion: "https://docs.docker.com/config/daemon/#start-the-daemon-manually"
+          }
+        ]
+
+        dependencies.each do |dependency|
+          confirm_dependency(dependency)
+        end
+      end
+      
+      
+      
+      def confirm_dependency(options)
+        msg = []
+        msg << ""
+        msg << delineator
+        msg << "It looks like #{options[:warning]}. The following bash command returns false:"
+        msg << "\t$ #{options[:system_query]}"
+        msg << "Please try these instructions:"
+        msg << ("\t" + options[:suggestion])
+        msg << delineator
+        conditional = options[:conditional] ? eval(options[:conditional]) : system(options[:system_query])
+        if conditional == false
+          raise(Roro::Error.new(msg.join("\n\n")))
+        end
+      end
+
+      
       private
       
       def configuration_hash
         {
           app_name: {
-            "the name of your app" => `pwd`.split('/').last.strip! },
+            "the name of your app" => `pwd`.split('/').last.strip! 
+          },
           ruby_version: {
-            "the version of ruby you'd like" => `ruby -v`.scan(/\d.\d/).first },
+            "the version of ruby you'd like" => `ruby -v`.scan(/\d.\d/).first 
+          },
           server_host: {
-            "the ip address of your server" => "ip-address-of-your-server"},
+            "the ip address of your server" => "ip-address-of-your-server"
+          },
           database_container: {
-            "the name of your database container" => "database"},
+            "the name of your database container" => "database"
+          },
           frontend_container: {
-            "the name of your frontend container" => "frontend"},
+            "the name of your frontend container" => "frontend"
+          },
           server_container: {
-            "the name of your server container" => "nginx"},
+            "the name of your server container" => "nginx"
+          },
           dockerhub_email: {
-            "your Docker Hub email" => "your-docker-hub-email"},
+            "your Docker Hub email" => "your-docker-hub-email"
+          },
           dockerhub_user: {
-            "your Docker Hub username" => "your-docker-hub-user-name" },
+            "your Docker Hub username" => "your-docker-hub-user-name" 
+          },
           dockerhub_org: {
-            "your Docker Hub organization name" => "your-docker-hub-org-name"},
+            "your Docker Hub organization name" => "your-docker-hub-org-name"
+          },
           dockerhub_password: {
-            "your Docker Hub password" => "your-docker-hub-password"},
+            "your Docker Hub password" => "your-docker-hub-password"
+          },
           postgres_user: {
-            "your Postgres username" => "postgres"},
+            "your Postgres username" => "postgres"
+          },
           postgres_password: {
-            "your Postgres password" => "your-postgres-password"} }
+            "your Postgres password" => "your-postgres-password"
+          } 
+        }
       end
     end
   end 
 end