Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5

Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/internal/pkg/commands/completion.go b/internal/pkg/commands/completion.go
new file mode 100644
index 0000000..3299a65
--- /dev/null
+++ b/internal/pkg/commands/completion.go
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2019-present Ciena Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package commands
+
+import (
+	"fmt"
+	"github.com/ciena/voltctl/internal/pkg/completion"
+	flags "github.com/jessevdk/go-flags"
+)
+
+type BashOptions struct{}
+
+type CompletionOptions struct {
+	BashOptions `command:"bash"`
+}
+
+func RegisterCompletionCommands(parent *flags.Parser) {
+	parent.AddCommand("completion", "generate shell compleition", "Commands to generate shell compleition information", &CompletionOptions{})
+}
+
+func (options *BashOptions) Execute(args []string) error {
+	fmt.Println(completion.Bash)
+	return nil
+}