118 lines
3.1 KiB
Go
118 lines
3.1 KiB
Go
/*
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Copyright The containerd 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 client
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"runtime"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestMigration(t *testing.T) {
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currentDefault := filepath.Join(t.TempDir(), "default.toml")
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defaultContent, err := currentDefaultConfig()
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require.NoError(t, err)
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require.NoError(t, os.WriteFile(currentDefault, []byte(defaultContent), 0644))
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type migrationTest struct {
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Name string
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File string
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Migrated string
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}
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migrationTests := []migrationTest{
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{
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Name: "CurrentDefault",
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File: currentDefault,
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Migrated: defaultContent,
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},
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}
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// Only run the old version migration tests for the same platform
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// and build settings the default config was generated for.
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if runtime.GOOS == "linux" && runtime.GOARCH == "amd64" && strings.Contains(defaultContent, "btrfs") && strings.Contains(defaultContent, "devmapper") {
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migrationTests = append(migrationTests, []migrationTest{
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{
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Name: "1.6-Default",
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File: "testdata/default-1.6.toml",
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Migrated: defaultContent,
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},
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{
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Name: "1.7-Default",
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File: "testdata/default-1.7.toml",
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Migrated: defaultContent,
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},
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{
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Name: "1.7-Custom",
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File: "testdata/custom-1.7.toml",
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Migrated: replaceAllValues(defaultContent, map[string]string{
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"sandbox": "'custom.io/pause:3.10'",
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"stream_idle_timeout": "'2h0m0s'",
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"stream_server_address": "'127.0.1.1'",
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"stream_server_port": "'15000'",
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"enable_tls_streaming": "true",
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}),
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},
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}...)
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}
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for _, tc := range migrationTests {
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tc := tc
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t.Run(tc.Name, func(t *testing.T) {
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buf := bytes.NewBuffer(nil)
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cmd := exec.Command("containerd", "-c", tc.File, "config", "migrate")
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cmd.Stdout = buf
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cmd.Stderr = os.Stderr
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require.NoError(t, cmd.Run())
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actual := buf.String()
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assert.Equal(t, tc.Migrated, actual, "Actual (full)\n%s", tc.Migrated, actual)
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})
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}
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}
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func currentDefaultConfig() (string, error) {
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cmd := exec.Command("containerd", "config", "default")
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buf := bytes.NewBuffer(nil)
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cmd.Stdout = buf
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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func replaceAllValues(src string, values map[string]string) string {
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for k, v := range values {
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src = replaceValue(src, k, v)
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}
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return src
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}
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func replaceValue(src, key, value string) string {
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re := regexp.MustCompile(fmt.Sprintf(`(\s*)%s = [^\n]*`, key))
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return re.ReplaceAllString(src, fmt.Sprintf(`${1}%s = %s`, key, value))
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}
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