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			3.1 KiB
		
	
	
	
		
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			107 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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 * Minio Cloud Storage, (C) 2016 Minio, Inc.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package cmd
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import (
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	"os"
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	"path/filepath"
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	"testing"
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)
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// TestStorageInfo - tests storage info.
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func TestStorageInfo(t *testing.T) {
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	objLayer, fsDirs, err := prepareXL()
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	if err != nil {
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		t.Fatalf("Unable to initialize 'XL' object layer.")
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	}
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	// Remove all dirs.
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	for _, dir := range fsDirs {
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		defer removeAll(dir)
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	}
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	// Get storage info first attempt.
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	disks16Info := objLayer.StorageInfo()
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	// This test assumes homogenity between all disks,
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	// i.e if we loose one disk the effective storage
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	// usage values is assumed to decrease. If we have
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	// heterogenous environment this is not true all the time.
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	if disks16Info.Free <= 0 {
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		t.Fatalf("Diskinfo total free values should be greater 0")
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	}
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	if disks16Info.Total <= 0 {
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		t.Fatalf("Diskinfo total values should be greater 0")
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	}
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	objLayer, err = newXLObjects(fsDirs, fsDirs[:4])
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	if err != nil {
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		t.Fatalf("Unable to initialize 'XL' object layer with ignored disks %s.", fsDirs[:4])
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	}
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	// Get storage info first attempt.
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	disks16Info = objLayer.StorageInfo()
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	// This test assumes homogenity between all disks,
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	// i.e if we loose one disk the effective storage
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	// usage values is assumed to decrease. If we have
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	// heterogenous environment this is not true all the time.
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	if disks16Info.Free <= 0 {
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		t.Fatalf("Diskinfo total free values should be greater 0")
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	}
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	if disks16Info.Total <= 0 {
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		t.Fatalf("Diskinfo total values should be greater 0")
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	}
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}
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// TestNewXL - tests initialization of all input disks
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// and constructs a valid `XL` object
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func TestNewXL(t *testing.T) {
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	var nDisks = 16 // Maximum disks.
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	var erasureDisks []string
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	for i := 0; i < nDisks; i++ {
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		// Do not attempt to create this path, the test validates
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		// so that newFSObjects initializes non existing paths
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		// and successfully returns initialized object layer.
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		disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
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		erasureDisks = append(erasureDisks, disk)
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		defer removeAll(disk)
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	}
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	// No disks input.
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	_, err := newXLObjects(nil, nil)
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	if err != errInvalidArgument {
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		t.Fatalf("Unable to initialize erasure, %s", err)
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	}
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	// Initializes all erasure disks
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	err = formatDisks(erasureDisks, nil)
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	if err != nil {
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		t.Fatalf("Unable to format disks for erasure, %s", err)
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	}
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	_, err = newXLObjects(erasureDisks, nil)
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	if err != nil {
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		t.Fatalf("Unable to initialize erasure, %s", err)
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	}
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	// Initializes all erasure disks, ignoring first two.
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	_, err = newXLObjects(erasureDisks, erasureDisks[:2])
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	if err != nil {
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		t.Fatalf("Unable to initialize erasure, %s", err)
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	}
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}
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