feat(bsr): Add function for generating a channel id

internal/bsr/id.go

@@ -0,0 +1,30 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package bsr
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/boundary/globals"
+	"github.com/hashicorp/go-secure-stdlib/base62"
+)
+
+const (
+	// ChannelIdPrefix is the prefix for the channel recording id.
+	ChannelIdPrefix = globals.ChannelRecordingPrefix
+)
+
+// NewChannelId generates an id for a channel recording.
+func NewChannelId() (string, error) {
+	const op = "bsr.NewChannelId"
+
+	var publicId string
+	var err error
+
+	publicId, err = base62.Random(10)
+	if err != nil {
+		return "", fmt.Errorf("%s: unable to generate id: %w", op, err)
+	}
+	return fmt.Sprintf("%s_%s", ChannelIdPrefix, publicId), nil
+}