server: Move all the top level files into cmd folder. (#2490)

This change brings a change which was done for the 'mc'
package to allow for clean repo and have a cleaner
github drop in experience.

cmd/globals.go

@@ -0,0 +1,65 @@
+/*
+ * Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
+ *
+ * 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 cmd
+
+import (
+	"github.com/fatih/color"
+	"github.com/minio/minio/pkg/objcache"
+)
+
+// Global constants for Minio.
+const (
+	minGoVersion = ">= 1.6" // Minio requires at least Go v1.6
+)
+
+// minio configuration related constants.
+const (
+	globalMinioConfigVersion = "6"
+	globalMinioConfigDir     = ".minio"
+	globalMinioCertsDir      = "certs"
+	globalMinioCertFile      = "public.crt"
+	globalMinioKeyFile       = "private.key"
+	globalMinioConfigFile    = "config.json"
+	// Add new global values here.
+)
+
+var (
+	globalQuiet = false // Quiet flag set via command line
+	globalTrace = false // Trace flag set via environment setting.
+	// Add new global flags here.
+
+	// Maximum connections handled per
+	// server, defaults to 0 (unlimited).
+	globalMaxConn = 0
+	// Maximum cache size.
+	globalMaxCacheSize = uint64(maxCacheSize)
+	// Cache expiry.
+	globalCacheExpiry = objcache.DefaultExpiry
+	// Add new variable global values here.
+)
+
+var (
+	// Limit fields size (except file) to 1Mib since Policy document
+	// can reach that size according to https://aws.amazon.com/articles/1434
+	maxFormFieldSize = int64(1024 * 1024)
+)
+
+// global colors.
+var (
+	colorBlue = color.New(color.FgBlue).SprintfFunc()
+	colorBold = color.New(color.Bold).SprintFunc()
+)