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https://github.com/ceph/ceph-csi.git
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680a7bf411
* Make kernel version parsing to support more (valid) version strings * Put version string parsing into a separate, testable function * Fixes #2248 (Kernel Subversion Parsing Failure) Signed-off-by: Jonas Zeiger <jonas.zeiger@talpidae.net>
344 lines
7.5 KiB
Go
344 lines
7.5 KiB
Go
/*
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Copyright 2019 The Ceph-CSI Authors.
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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 util
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import (
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"strings"
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"testing"
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)
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func TestRoundOffBytes(t *testing.T) {
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t.Parallel()
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type args struct {
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bytes int64
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}
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tests := []struct {
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name string
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args args
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want int64
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}{
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{
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"1MiB conversions",
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args{
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bytes: 1048576,
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},
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1048576,
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},
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{
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"1000kiB conversion",
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args{
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bytes: 1000,
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},
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1048576, // equal to 1MiB
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},
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{
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"1.5Mib conversion",
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args{
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bytes: 1572864,
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},
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2097152, // equal to 2MiB
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},
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{
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"1.1MiB conversion",
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args{
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bytes: 1153434,
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},
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2097152, // equal to 2MiB
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},
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{
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"1.5GiB conversion",
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args{
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bytes: 1610612736,
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},
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2147483648, // equal to 2GiB
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},
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{
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"1.1GiB conversion",
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args{
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bytes: 1181116007,
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},
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2147483648, // equal to 2GiB
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},
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}
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for _, tt := range tests {
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ts := tt
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t.Run(ts.name, func(t *testing.T) {
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t.Parallel()
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if got := RoundOffBytes(ts.args.bytes); got != ts.want {
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t.Errorf("RoundOffBytes() = %v, want %v", got, ts.want)
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}
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})
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}
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}
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func TestRoundOffVolSize(t *testing.T) {
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t.Parallel()
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type args struct {
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size int64
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}
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tests := []struct {
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name string
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args args
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want int64
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}{
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{
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"1MiB conversions",
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args{
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size: 1048576,
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},
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1, // MiB
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},
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{
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"1000kiB conversion",
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args{
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size: 1000,
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},
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1, // MiB
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},
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{
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"1.5Mib conversion",
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args{
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size: 1572864,
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},
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2, // MiB
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},
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{
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"1.1MiB conversion",
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args{
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size: 1153434,
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},
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2, // MiB
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},
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{
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"1.5GiB conversion",
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args{
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size: 1610612736,
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},
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2048, // MiB
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},
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{
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"1.1GiB conversion",
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args{
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size: 1181116007,
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},
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2048, // MiB
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},
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}
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for _, tt := range tests {
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ts := tt
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t.Run(ts.name, func(t *testing.T) {
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t.Parallel()
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if got := RoundOffVolSize(ts.args.size); got != ts.want {
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t.Errorf("RoundOffVolSize() = %v, want %v", got, ts.want)
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}
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})
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}
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}
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func TestGetKernelVersion(t *testing.T) {
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t.Parallel()
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version, err := GetKernelVersion()
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if err != nil {
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t.Errorf("failed to get kernel version: %s", err)
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}
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if version == "" {
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t.Error("version is empty, this is unexpected?!")
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}
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if strings.HasSuffix(version, "\x00") {
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t.Error("version ends with \\x00 byte(s)")
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}
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}
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func TestMountOptionsAdd(t *testing.T) {
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t.Parallel()
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moaTests := []struct {
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name string
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mountOptions string
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option []string
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result string
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}{
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{
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"add option to empty string",
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"",
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[]string{"new_option"},
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"new_option",
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},
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{
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"add empty option to string",
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"orig_option",
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[]string{""},
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"orig_option",
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},
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{
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"add empty option to empty string",
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"",
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[]string{""},
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"",
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},
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{
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"add option to single option string",
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"orig_option",
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[]string{"new_option"},
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"orig_option,new_option",
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},
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{
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"add option to multi option string",
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"orig_option,2nd_option",
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[]string{"new_option"},
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"orig_option,2nd_option,new_option",
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},
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{
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"add redundant option to multi option string",
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"orig_option,2nd_option",
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[]string{"2nd_option"},
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"orig_option,2nd_option",
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},
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{
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"add option to multi option string starting with ,",
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",orig_option,2nd_option",
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[]string{"new_option"},
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"orig_option,2nd_option,new_option",
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},
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{
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"add option to multi option string with trailing ,",
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"orig_option,2nd_option,",
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[]string{"new_option"},
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"orig_option,2nd_option,new_option",
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},
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{
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"add options to multi option string",
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"orig_option,2nd_option,",
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[]string{"new_option", "another_option"},
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"orig_option,2nd_option,new_option,another_option",
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},
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{
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"add options (one redundant) to multi option string",
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"orig_option,2nd_option,",
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[]string{"new_option", "2nd_option", "another_option"},
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"orig_option,2nd_option,new_option,another_option",
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},
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}
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for _, moaTest := range moaTests {
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mt := moaTest
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moaTest := moaTest
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t.Run(moaTest.name, func(t *testing.T) {
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t.Parallel()
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result := MountOptionsAdd(mt.mountOptions, mt.option...)
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if result != mt.result {
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t.Errorf("MountOptionsAdd(): %v, want %v", result, mt.result)
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}
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})
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}
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}
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func TestParseKernelRelease(t *testing.T) {
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t.Parallel()
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badReleases := []string{"x", "5", "5.", "5.4.", "5.x-2-oops", "4.1.x-7-oh", "5.12.x"}
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for _, release := range badReleases {
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_, _, _, _, err := parseKernelRelease(release)
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if err == nil {
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t.Errorf("release %q must not be parsed successfully", release)
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}
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}
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goodReleases := []string{"5.12", "5.12xlinux", "5.1-2-yam", "3.1-5-x", "5.12.14", "5.12.14xlinux",
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"5.12.14-xlinux", "5.12.14-99-x", "3.3x-3"}
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goodVersions := [][]int{{5, 12, 0, 0}, {5, 12, 0, 0}, {5, 1, 0, 2}, {3, 1, 0, 5},
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{5, 12, 14, 0}, {5, 12, 14, 0}, {5, 12, 14, 0}, {5, 12, 14, 99}, {3, 3, 0, 0}}
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for i, release := range goodReleases {
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version, patchlevel, sublevel, extraversion, err := parseKernelRelease(release)
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if err != nil {
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t.Errorf("parsing error for release %q: %w", release, err)
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}
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good := goodVersions[i]
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if version != good[0] || patchlevel != good[1] || sublevel != good[2] || extraversion != good[3] {
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t.Errorf("release %q parsed incorrectly: expected (%d.%d.%d-%d), actual (%d.%d.%d-%d)",
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release, good[0], good[1], good[2], good[3],
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version, patchlevel, sublevel, extraversion)
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}
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}
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}
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func TestCheckKernelSupport(t *testing.T) {
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t.Parallel()
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supportsQuota := []string{
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"4.17.0",
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"5.0.0",
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"4.17.0-rc1",
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"4.18.0-80.el8",
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"3.10.0-1062.el7.x86_64", // 1st backport
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"3.10.0-1062.4.1.el7.x86_64", // updated backport
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}
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noQuota := []string{
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"2.6.32-754.15.3.el6.x86_64", // too old
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"3.10.0-123.el7.x86_64", // too old for backport
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"3.10.0-1062.4.1.el8.x86_64", // nonexisting RHEL-8 kernel
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"3.11.0-123.el7.x86_64", // nonexisting RHEL-7 kernel
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}
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quotaSupport := []KernelVersion{
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{4, 17, 0, 0, "", false}, // standard 4.17+ versions
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{3, 10, 0, 1062, ".el7", true}, // RHEL-7.7
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}
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for _, kernel := range supportsQuota {
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ok := CheckKernelSupport(kernel, quotaSupport)
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if !ok {
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t.Errorf("support expected for %s", kernel)
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}
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}
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for _, kernel := range noQuota {
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ok := CheckKernelSupport(kernel, quotaSupport)
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if ok {
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t.Errorf("no support expected for %s", kernel)
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}
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}
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supportsDeepFlatten := []string{
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"5.1.0", // 5.1+ supports deep-flatten
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"5.3.0",
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"4.18.0-193.9.1.el8_2.x86_64", // RHEL 8.2 kernel
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}
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noDeepFlatten := []string{
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"4.18.0", // too old
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"3.10.0-123.el7.x86_64", // too old for backport
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"3.10.0-1062.4.1.el8.x86_64", // nonexisting RHEL-8 kernel
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"3.11.0-123.el7.x86_64", // nonexisting RHEL-7 kernel
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}
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deepFlattenSupport := []KernelVersion{
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{5, 1, 0, 0, "", false}, // standard 5.1+ versions
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{4, 18, 0, 193, ".el8", true}, // RHEL 8.2 backport
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}
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for _, kernel := range supportsDeepFlatten {
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ok := CheckKernelSupport(kernel, deepFlattenSupport)
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if !ok {
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t.Errorf("support expected for %s", kernel)
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}
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}
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for _, kernel := range noDeepFlatten {
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ok := CheckKernelSupport(kernel, deepFlattenSupport)
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if ok {
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t.Errorf("no support expected for %s", kernel)
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}
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}
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}
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