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https://github.com/siderolabs/talos.git
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96aa9638f7
There's a cyclic dependency on siderolink library which imports talos machinery back. We will fix that after we get talos pushed under a new name. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
351 lines
10 KiB
Go
351 lines
10 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 install_test
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/siderolabs/go-blockdevice/blockdevice"
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"github.com/siderolabs/go-blockdevice/blockdevice/loopback"
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"github.com/stretchr/testify/suite"
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"github.com/siderolabs/talos/cmd/installer/pkg/install"
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"github.com/siderolabs/talos/internal/app/machined/pkg/runtime"
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"github.com/siderolabs/talos/internal/pkg/mount"
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"github.com/siderolabs/talos/internal/pkg/partition"
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"github.com/siderolabs/talos/pkg/machinery/constants"
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)
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// Some tests in this package cannot be run under buildkit, as buildkit doesn't propagate partition devices
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// like /dev/loopXpY into the sandbox. To run the tests on your local computer, do the following:
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//
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// go test -exec sudo -v --count 1 ./cmd/installer/pkg/install/
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type manifestSuite struct {
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suite.Suite
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disk *os.File
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loopbackDevice *os.File
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}
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const (
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diskSize = 4 * 1024 * 1024 * 1024 // 4 GiB
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lbaSize = 512
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gptReserved = 67
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)
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func TestManifestSuite(t *testing.T) {
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suite.Run(t, new(manifestSuite))
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}
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func (suite *manifestSuite) SetupTest() {
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suite.skipIfNotRoot()
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var err error
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suite.disk, err = os.CreateTemp("", "talos")
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suite.Require().NoError(err)
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suite.Require().NoError(suite.disk.Truncate(diskSize))
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suite.loopbackDevice, err = loopback.NextLoopDevice()
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suite.Require().NoError(err)
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suite.T().Logf("Using %s", suite.loopbackDevice.Name())
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suite.Require().NoError(loopback.Loop(suite.loopbackDevice, suite.disk))
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suite.Require().NoError(loopback.LoopSetReadWrite(suite.loopbackDevice))
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}
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func (suite *manifestSuite) TearDownTest() {
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if suite.loopbackDevice != nil {
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suite.Assert().NoError(loopback.Unloop(suite.loopbackDevice))
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}
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if suite.disk != nil {
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suite.Assert().NoError(os.Remove(suite.disk.Name()))
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suite.Assert().NoError(suite.disk.Close())
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}
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}
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func (suite *manifestSuite) skipUnderBuildkit() {
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hostname, _ := os.Hostname() //nolint:errcheck
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if hostname == "buildkitsandbox" {
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suite.T().Skip("test not supported under buildkit as partition devices are not propagated from /dev")
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}
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}
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func (suite *manifestSuite) skipIfNotRoot() {
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if os.Getuid() != 0 {
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suite.T().Skip("can't run the test as non-root")
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}
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}
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func (suite *manifestSuite) verifyBlockdevice(manifest *install.Manifest, current, next string, verifyConfigPersistence, verifyEphemeralPersistence bool) {
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bd, err := blockdevice.Open(suite.loopbackDevice.Name())
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suite.Require().NoError(err)
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defer bd.Close() //nolint:errcheck
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table, err := bd.PartitionTable()
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suite.Require().NoError(err)
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// verify partition table
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suite.Assert().Len(table.Partitions().Items(), 6)
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part := table.Partitions().Items()[0]
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suite.Assert().Equal(partition.EFISystemPartition, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.EFIPartitionLabel, part.Name)
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suite.Assert().EqualValues(0, part.Attributes)
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suite.Assert().EqualValues(partition.EFISize/lbaSize, part.Length())
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part = table.Partitions().Items()[1]
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suite.Assert().Equal(partition.BIOSBootPartition, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.BIOSGrubPartitionLabel, part.Name)
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suite.Assert().EqualValues(4, part.Attributes)
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suite.Assert().EqualValues(partition.BIOSGrubSize/lbaSize, part.Length())
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part = table.Partitions().Items()[2]
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suite.Assert().Equal(partition.LinuxFilesystemData, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.BootPartitionLabel, part.Name)
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suite.Assert().EqualValues(0, part.Attributes)
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suite.Assert().EqualValues(partition.BootSize/lbaSize, part.Length())
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part = table.Partitions().Items()[3]
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suite.Assert().Equal(partition.LinuxFilesystemData, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.MetaPartitionLabel, part.Name)
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suite.Assert().EqualValues(0, part.Attributes)
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suite.Assert().EqualValues(partition.MetaSize/lbaSize, part.Length())
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part = table.Partitions().Items()[4]
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suite.Assert().Equal(partition.LinuxFilesystemData, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.StatePartitionLabel, part.Name)
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suite.Assert().EqualValues(0, part.Attributes)
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suite.Assert().EqualValues(partition.StateSize/lbaSize, part.Length())
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part = table.Partitions().Items()[5]
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suite.Assert().Equal(partition.LinuxFilesystemData, strings.ToUpper(part.Type.String()))
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suite.Assert().Equal(constants.EphemeralPartitionLabel, part.Name)
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suite.Assert().EqualValues(0, part.Attributes)
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suite.Assert().EqualValues((diskSize-partition.EFISize-partition.BIOSGrubSize-partition.BootSize-partition.MetaSize-partition.StateSize)/lbaSize-gptReserved, part.Length())
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suite.Assert().NoError(bd.Close())
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// query mount points directly for the device
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mountpoints, err := mount.SystemMountPointsForDevice(suite.loopbackDevice.Name())
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suite.Require().NoError(err)
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suite.Assert().Equal(4, mountpoints.Len())
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// verify filesystems by mounting and unmounting
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tempDir := suite.T().TempDir()
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mountpoints, err = manifest.SystemMountpoints()
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suite.Require().NoError(err)
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suite.Assert().Equal(4, mountpoints.Len())
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suite.Require().NoError(mount.PrefixMountTargets(mountpoints, tempDir))
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err = mount.Mount(mountpoints)
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suite.Require().NoError(err)
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defer func() {
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suite.Assert().NoError(mount.Unmount(mountpoints))
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}()
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metaPath := fmt.Sprintf("%sp%d", suite.loopbackDevice.Name(), table.Partitions().Items()[3].Number)
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if verifyConfigPersistence {
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suite.Assert().FileExists(filepath.Join(tempDir, "system", "state", "config.yaml"))
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}
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if verifyEphemeralPersistence {
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suite.Assert().FileExists(filepath.Join(tempDir, "var", "content"))
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}
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if current != "" {
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// verify that current was preserved
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suite.Assert().DirExists(filepath.Join(tempDir, "boot", current))
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suite.Assert().FileExists(filepath.Join(tempDir, "boot", current, "kernel"))
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buf := make([]byte, len(current))
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f, err := os.Open(metaPath)
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suite.Require().NoError(err)
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_, err = io.ReadFull(f, buf)
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suite.Require().NoError(err)
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suite.Assert().Equal(current, string(buf))
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suite.Assert().NoError(f.Close())
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}
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if next != "" {
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suite.Assert().NoError(os.MkdirAll(filepath.Join(tempDir, "boot", next), 0o700))
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suite.Assert().NoError(os.WriteFile(filepath.Join(tempDir, "boot", next, "kernel"), []byte("LINUX!"), 0o660))
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suite.Assert().NoError(os.WriteFile(filepath.Join(tempDir, "system", "state", "config.yaml"), []byte("#!yaml"), 0o660))
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buf := []byte(next)
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f, err := os.OpenFile(metaPath, os.O_WRONLY, 0)
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suite.Require().NoError(err)
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_, err = f.Write(buf)
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suite.Require().NoError(err)
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suite.Assert().NoError(f.Close())
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}
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suite.Assert().NoError(os.WriteFile(filepath.Join(tempDir, "var", "content"), []byte("data"), 0o600))
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}
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func (suite *manifestSuite) TestExecuteManifestClean() {
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suite.skipUnderBuildkit()
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manifest, err := install.NewManifest("A", runtime.SequenceInstall, false, &install.Options{
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Disk: suite.loopbackDevice.Name(),
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Bootloader: true,
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Force: true,
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Board: constants.BoardNone,
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})
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suite.Require().NoError(err)
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// in the tests overlay mounts should be ignored
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dev := manifest.Devices[suite.loopbackDevice.Name()]
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dev.SkipOverlayMountsCheck = true
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manifest.Devices[suite.loopbackDevice.Name()] = dev
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suite.Assert().NoError(manifest.Execute())
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suite.verifyBlockdevice(manifest, "", "A", false, false)
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}
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func (suite *manifestSuite) TestExecuteManifestForce() {
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suite.skipUnderBuildkit()
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manifest, err := install.NewManifest("A", runtime.SequenceInstall, false, &install.Options{
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Disk: suite.loopbackDevice.Name(),
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Bootloader: true,
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Force: true,
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Board: constants.BoardNone,
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})
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suite.Require().NoError(err)
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// in the tests overlay mounts should be ignored
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dev := manifest.Devices[suite.loopbackDevice.Name()]
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dev.SkipOverlayMountsCheck = true
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manifest.Devices[suite.loopbackDevice.Name()] = dev
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suite.Assert().NoError(manifest.Execute())
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suite.verifyBlockdevice(manifest, "", "A", false, false)
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// reinstall
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manifest, err = install.NewManifest("B", runtime.SequenceUpgrade, true, &install.Options{
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Disk: suite.loopbackDevice.Name(),
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Bootloader: true,
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Force: true,
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Zero: true,
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Board: constants.BoardNone,
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})
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suite.Require().NoError(err)
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// in the tests overlay mounts should be ignored
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dev = manifest.Devices[suite.loopbackDevice.Name()]
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dev.SkipOverlayMountsCheck = true
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manifest.Devices[suite.loopbackDevice.Name()] = dev
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suite.Assert().NoError(manifest.Execute())
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suite.verifyBlockdevice(manifest, "A", "B", true, false)
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}
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func (suite *manifestSuite) TestExecuteManifestPreserve() {
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suite.skipUnderBuildkit()
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manifest, err := install.NewManifest("A", runtime.SequenceInstall, false, &install.Options{
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Disk: suite.loopbackDevice.Name(),
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Bootloader: true,
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Force: true,
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Board: constants.BoardNone,
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})
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suite.Require().NoError(err)
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// in the tests overlay mounts should be ignored
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dev := manifest.Devices[suite.loopbackDevice.Name()]
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dev.SkipOverlayMountsCheck = true
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manifest.Devices[suite.loopbackDevice.Name()] = dev
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suite.Assert().NoError(manifest.Execute())
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suite.verifyBlockdevice(manifest, "", "A", false, false)
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// reinstall
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manifest, err = install.NewManifest("B", runtime.SequenceUpgrade, true, &install.Options{
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Disk: suite.loopbackDevice.Name(),
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Bootloader: true,
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Force: false,
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Board: constants.BoardNone,
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})
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suite.Require().NoError(err)
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// in the tests overlay mounts should be ignored
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dev = manifest.Devices[suite.loopbackDevice.Name()]
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dev.SkipOverlayMountsCheck = true
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manifest.Devices[suite.loopbackDevice.Name()] = dev
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suite.Assert().NoError(manifest.Execute())
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suite.verifyBlockdevice(manifest, "A", "B", true, true)
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}
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func (suite *manifestSuite) TestTargetInstall() {
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// Create Temp dirname for mountpoint
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dir := suite.T().TempDir()
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// Create a tempfile for local copy
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src, err := os.CreateTemp(dir, "example")
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suite.Require().NoError(err)
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suite.Require().NoError(src.Close())
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dst := filepath.Join(dir, "dest")
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// Attempt to download and copy files
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target := &install.Target{
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Assets: []*install.Asset{
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{
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Source: src.Name(),
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Destination: dst,
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},
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},
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}
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suite.Require().NoError(target.Save())
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for _, expectedFile := range target.Assets {
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// Verify copied file is at the appropriate location.
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_, err := os.Stat(expectedFile.Destination)
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suite.Require().NoError(err)
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}
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}
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