Add a resource to handle config changes

site-cookbooks/ipfs/resources/config.rb

@@ -0,0 +1,29 @@
+property :key, String, name_property: true
+property :value, [String, Hash, Array, TrueClass, FalseClass], default: nil, required: true
+
+load_current_value do
+  # some Ruby
+end
+
+action :create do
+  include_recipe "ipfs"
+
+  json_value = JSON.generate(value)
+  execute "ipfs config --json #{key} #{json_value}" do
+    environment "IPFS_PATH" => "/home/ipfs/.ipfs"
+    user "ipfs"
+    not_if do
+      require 'json'
+      require 'mixlib/shellout'
+      cmd = Mixlib::ShellOut.new("ipfs", "config", key, user: 'ipfs',
+                                 env: {"IPFS_PATH" => "/home/ipfs/.ipfs"})
+      cmd.run_command
+      begin
+        JSON.parse(cmd.stdout) == value
+      rescue JSON::ParserError
+        cmd.stdout.include?(value)
+      end
+    end
+    notifies :restart, "service[ipfs]", :delayed
+  end
+end