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https://github.com/siderolabs/talos.git
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7cf1de2794
See: * https://github.com/siderolabs/go-blockdevice/pull/147 * https://github.com/siderolabs/go-cmd/pull/9 Lots of changes through the code as I deprecated `Run`, `RunWithContext` methods and allow only new `RunWithOptions` to clean up the library usage. Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package makefs_test
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import (
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"crypto/sha256"
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"io"
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"os"
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"path/filepath"
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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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"github.com/siderolabs/talos/pkg/makefs"
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)
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// TestExt4Reproducibility tests that the ext4 filesystem is reproducible.
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func TestExt4Reproducibility(t *testing.T) {
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t.Setenv("PATH", "/usr/bin:/bin:/usr/sbin:/sbin")
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t.Setenv("SOURCE_DATE_EPOCH", "1234567890")
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tmpDir := t.TempDir()
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tempFile := filepath.Join(tmpDir, "reproducible-ext4.img")
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f, err := os.Create(tempFile)
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require.NoError(t, err)
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require.NoError(t, f.Truncate(512*1024*1024))
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require.NoError(t, f.Close())
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sourceDirectory := filepath.Join(tmpDir, "source")
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populateTestDir(t, sourceDirectory, []string{
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"file1.txt",
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"dir1/",
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"dir1/file2.txt",
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"dir1/subdir1/",
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"dir1/subdir1/file3.txt",
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})
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require.NoError(t, makefs.Ext4(t.Context(),
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tempFile,
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makefs.WithReproducible(true),
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makefs.WithLabel("TESTLABEL"),
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makefs.WithSourceDirectory(sourceDirectory),
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))
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fileData, err := os.Open(tempFile)
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require.NoError(t, err)
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sum1 := sha256.New()
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_, err = io.Copy(sum1, fileData)
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require.NoError(t, err)
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require.NoError(t, fileData.Close())
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// create the filesystem again
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require.NoError(t, makefs.Ext4(t.Context(),
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tempFile,
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makefs.WithReproducible(true),
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makefs.WithLabel("TESTLABEL"),
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makefs.WithSourceDirectory(sourceDirectory),
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makefs.WithForce(true)))
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fileData, err = os.Open(tempFile)
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require.NoError(t, err)
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sum2 := sha256.New()
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_, err = io.Copy(sum2, fileData)
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require.NoError(t, err)
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require.NoError(t, fileData.Close())
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assert.Equal(t, sum1.Sum(nil), sum2.Sum(nil), "ext4 filesystem is not reproducible")
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}
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// TestExt4Resize tests that the ext4 filesystem can be resized.
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func TestExt4Resize(t *testing.T) {
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t.Setenv("PATH", "/usr/bin:/bin:/usr/sbin:/sbin")
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tmpDir := t.TempDir()
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tempFile := filepath.Join(tmpDir, "resize-ext4.img")
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if _, err := os.Create(tempFile); err != nil {
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t.Fatalf("failed to create file: %v", err)
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}
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if err := os.Truncate(tempFile, 64*1024*1024); err != nil {
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t.Fatalf("failed to create file: %v", err)
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}
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if err := makefs.Ext4(t.Context(), tempFile); err != nil {
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t.Fatalf("failed to create ext4 filesystem: %v", err)
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}
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if err := os.Truncate(tempFile, 128*1024*1024); err != nil {
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t.Fatalf("failed to resize file: %v", err)
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}
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assert.NoError(t, makefs.Ext4Resize(t.Context(), tempFile))
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}
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