rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/config/help.go

@@ -0,0 +1,64 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package config
+
+// HelpKV - implements help messages for keys
+// with value as description of the keys.
+type HelpKV struct {
+	Key         string `json:"key"`
+	Type        string `json:"type"`
+	Description string `json:"description"`
+	Optional    bool   `json:"optional"`
+
+	// Indicates if sub-sys supports multiple targets.
+	MultipleTargets bool `json:"multipleTargets"`
+}
+
+// HelpKVS - implement order of keys help messages.
+type HelpKVS []HelpKV
+
+// Lookup - lookup a key from help kvs.
+func (hkvs HelpKVS) Lookup(key string) (HelpKV, bool) {
+	for _, hkv := range hkvs {
+		if hkv.Key == key {
+			return hkv, true
+		}
+	}
+	return HelpKV{}, false
+}
+
+// DefaultComment used across all sub-systems.
+const DefaultComment = "optionally add a comment to this setting"
+
+// Region and Worm help is documented in default config
+var (
+	RegionHelp = HelpKVS{
+		HelpKV{
+			Key:         RegionName,
+			Type:        "string",
+			Description: `name of the location of the server e.g. "us-west-rack2"`,
+			Optional:    true,
+		},
+		HelpKV{
+			Key:         Comment,
+			Type:        "sentence",
+			Description: DefaultComment,
+			Optional:    true,
+		},
+	}
+)