forked from rook/rook
Vilius Puškunalis
27010f96f3
Fixes quick disk shredding by using dd to shred data at additional offsets where ceph metadata is duplicated. For full shred, the shred utility remains in use. Signed-off-by: Vilius Puškunalis <47086537+puskunalis@users.noreply.github.com>
100 lines
3.6 KiB
Go
100 lines
3.6 KiB
Go
/*
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Copyright 2020 The Rook Authors. All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 cleanup
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import (
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"reflect"
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"strings"
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"testing"
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"github.com/pkg/errors"
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cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
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"github.com/rook/rook/pkg/clusterd"
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"github.com/rook/rook/pkg/daemon/ceph/client"
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exectest "github.com/rook/rook/pkg/util/exec/test"
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"github.com/stretchr/testify/assert"
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)
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func TestBuildDataSource(t *testing.T) {
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s := NewDiskSanitizer(&clusterd.Context{}, &client.ClusterInfo{}, &cephv1.SanitizeDisksSpec{})
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s.sanitizeDisksSpec.DataSource = cephv1.SanitizeDataSourceZero
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assert.Equal(t, "/dev/zero", s.buildDataSource())
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}
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func TestBuildShredCommands(t *testing.T) {
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var i int32 = 1
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executor := &exectest.MockExecutor{
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MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) {
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logger.Infof("OUTPUT for %s %v", command, args)
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if command == "lsblk" {
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if strings.Contains(args[0], "sda") { // 2TB
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return `NAME="sdb" SIZE="2000000000000" TYPE="disk" PKNAME=""`, nil
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}
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return "", nil
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}
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if command == "sgdisk" {
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return "Disk identifier (GUID): 18484D7E-5287-4CE9-AC73-D02FB69055CE", nil
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}
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return "", errors.Errorf("unknown command %s %s", command, args)
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},
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}
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c := &clusterd.Context{Executor: executor}
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type fields struct {
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context *clusterd.Context
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clusterInfo *client.ClusterInfo
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sanitizeDisksSpec *cephv1.SanitizeDisksSpec
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}
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tests := []struct {
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name string
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fields fields
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disk string
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want []ShredCommand
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}{
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{"quick-zero", fields{c, &client.ClusterInfo{}, &cephv1.SanitizeDisksSpec{Method: cephv1.SanitizeMethodQuick, Iteration: i, DataSource: cephv1.SanitizeDataSourceZero}}, "/dev/sda", []ShredCommand{
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{command: "ceph-volume", args: []string{"lvm", "zap", "/dev/sda"}},
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}},
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{"quick-random", fields{c, &client.ClusterInfo{}, &cephv1.SanitizeDisksSpec{Method: cephv1.SanitizeMethodQuick, Iteration: i, DataSource: cephv1.SanitizeDataSourceRandom}}, "/dev/sda", []ShredCommand{
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{command: "ceph-volume", args: []string{"lvm", "zap", "/dev/sda"}},
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}},
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{"complete-zero-2tb", fields{c, &client.ClusterInfo{}, &cephv1.SanitizeDisksSpec{Method: cephv1.SanitizeMethodComplete, Iteration: i, DataSource: cephv1.SanitizeDataSourceZero}}, "/dev/sda", []ShredCommand{
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{command: "shred", args: []string{"--random-source=/dev/zero", "--force", "--verbose", "--iterations=1", "/dev/sda"}},
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}},
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{"complete-random-2tb", fields{c, &client.ClusterInfo{}, &cephv1.SanitizeDisksSpec{Method: cephv1.SanitizeMethodComplete, Iteration: i, DataSource: cephv1.SanitizeDataSourceRandom}}, "/dev/sda", []ShredCommand{
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{command: "shred", args: []string{"--zero", "--force", "--verbose", "--iterations=1", "/dev/sda"}},
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}},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := &DiskSanitizer{
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context: tt.fields.context,
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clusterInfo: tt.fields.clusterInfo,
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sanitizeDisksSpec: tt.fields.sanitizeDisksSpec,
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}
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if got := s.buildShredCommands(tt.disk); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("DiskSanitizer.buildShredArgs() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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