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image_test.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2014-2021 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package image_test
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"net/url"
"os"
"path/filepath"
"strings"
"testing"
"time"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/asserts"
"github.com/snapcore/snapd/asserts/assertstest"
"github.com/snapcore/snapd/bootloader"
"github.com/snapcore/snapd/bootloader/assets"
"github.com/snapcore/snapd/bootloader/bootloadertest"
"github.com/snapcore/snapd/bootloader/grubenv"
"github.com/snapcore/snapd/bootloader/ubootenv"
"github.com/snapcore/snapd/gadget"
"github.com/snapcore/snapd/image"
"github.com/snapcore/snapd/osutil"
"github.com/snapcore/snapd/overlord/auth"
"github.com/snapcore/snapd/progress"
"github.com/snapcore/snapd/seed"
"github.com/snapcore/snapd/seed/seedtest"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/snap/snaptest"
"github.com/snapcore/snapd/store"
"github.com/snapcore/snapd/testutil"
"github.com/snapcore/snapd/timings"
)
func Test(t *testing.T) { TestingT(t) }
type imageSuite struct {
testutil.BaseTest
root string
bootloader *bootloadertest.MockBootloader
stdout *bytes.Buffer
stderr *bytes.Buffer
storeActionsBunchSizes []int
storeActions []*store.SnapAction
curSnaps [][]*store.CurrentSnap
tsto *image.ToolingStore
// SeedSnaps helps creating and making available seed snaps
// (it provides MakeAssertedSnap etc.) for the tests.
*seedtest.SeedSnaps
model *asserts.Model
}
var _ = Suite(&imageSuite{})
var (
brandPrivKey, _ = assertstest.GenerateKey(752)
)
func (s *imageSuite) SetUpTest(c *C) {
s.root = c.MkDir()
s.bootloader = bootloadertest.Mock("grub", c.MkDir())
bootloader.Force(s.bootloader)
s.BaseTest.SetUpTest(c)
s.BaseTest.AddCleanup(snap.MockSanitizePlugsSlots(func(snapInfo *snap.Info) {}))
s.stdout = &bytes.Buffer{}
image.Stdout = s.stdout
s.stderr = &bytes.Buffer{}
image.Stderr = s.stderr
s.tsto = image.MockToolingStore(s)
s.SeedSnaps = &seedtest.SeedSnaps{}
s.SetupAssertSigning("canonical")
s.Brands.Register("my-brand", brandPrivKey, map[string]interface{}{
"verification": "verified",
})
assertstest.AddMany(s.StoreSigning, s.Brands.AccountsAndKeys("my-brand")...)
s.model = s.Brands.Model("my-brand", "my-model", map[string]interface{}{
"display-name": "my display name",
"architecture": "amd64",
"gadget": "pc",
"kernel": "pc-kernel",
"required-snaps": []interface{}{"required-snap1"},
})
otherAcct := assertstest.NewAccount(s.StoreSigning, "other", map[string]interface{}{
"account-id": "other",
}, "")
s.StoreSigning.Add(otherAcct)
// mock the mount cmds (for the extract kernel assets stuff)
c1 := testutil.MockCommand(c, "mount", "")
s.AddCleanup(c1.Restore)
c2 := testutil.MockCommand(c, "umount", "")
s.AddCleanup(c2.Restore)
restore := image.MockWriteResolvedContent(func(_ string, _ *gadget.Info, _, _ string) error {
return nil
})
s.AddCleanup(restore)
}
func (s *imageSuite) TearDownTest(c *C) {
s.BaseTest.TearDownTest(c)
bootloader.Force(nil)
image.Stdout = os.Stdout
image.Stderr = os.Stderr
s.storeActions = nil
s.storeActionsBunchSizes = nil
s.curSnaps = nil
}
// interface for the store
func (s *imageSuite) SnapAction(_ context.Context, curSnaps []*store.CurrentSnap, actions []*store.SnapAction, assertQuery store.AssertionQuery, _ *auth.UserState, _ *store.RefreshOptions) ([]store.SnapActionResult, []store.AssertionResult, error) {
if assertQuery != nil {
return nil, nil, fmt.Errorf("unexpected assertion query")
}
s.storeActionsBunchSizes = append(s.storeActionsBunchSizes, len(actions))
s.curSnaps = append(s.curSnaps, curSnaps)
sars := make([]store.SnapActionResult, 0, len(actions))
for _, a := range actions {
if a.Action != "download" {
return nil, nil, fmt.Errorf("unexpected action %q", a.Action)
}
if _, instanceKey := snap.SplitInstanceName(a.InstanceName); instanceKey != "" {
return nil, nil, fmt.Errorf("unexpected instance key in %q", a.InstanceName)
}
// record
s.storeActions = append(s.storeActions, a)
info := s.AssertedSnapInfo(a.InstanceName)
if info == nil {
return nil, nil, fmt.Errorf("no %q in the fake store", a.InstanceName)
}
info1 := *info
channel := a.Channel
redirectChannel := ""
if strings.HasPrefix(a.InstanceName, "default-track-") {
channel = "default-track/stable"
redirectChannel = channel
}
info1.Channel = channel
sars = append(sars, store.SnapActionResult{
Info: &info1,
RedirectChannel: redirectChannel,
})
}
return sars, nil, nil
}
func (s *imageSuite) Download(ctx context.Context, name, targetFn string, downloadInfo *snap.DownloadInfo, pbar progress.Meter, user *auth.UserState, dlOpts *store.DownloadOptions) error {
return osutil.CopyFile(s.AssertedSnap(name), targetFn, 0)
}
func (s *imageSuite) Assertion(assertType *asserts.AssertionType, primaryKey []string, user *auth.UserState) (asserts.Assertion, error) {
ref := &asserts.Ref{Type: assertType, PrimaryKey: primaryKey}
return ref.Resolve(s.StoreSigning.Find)
}
// TODO: use seedtest.SampleSnapYaml for some of these
const packageGadget = `
name: pc
version: 1.0
type: gadget
`
const packageGadgetWithBase = `
name: pc18
version: 1.0
type: gadget
base: core18
`
const packageClassicGadget = `
name: classic-gadget
version: 1.0
type: gadget
`
const packageClassicGadget18 = `
name: classic-gadget18
version: 1.0
type: gadget
base: core18
`
const packageKernel = `
name: pc-kernel
version: 4.4-1
type: kernel
`
const packageCore = `
name: core
version: 16.04
type: os
`
const packageCore18 = `
name: core18
version: 18.04
type: base
`
const snapdSnap = `
name: snapd
version: 3.14
type: snapd
`
const otherBase = `
name: other-base
version: 2.5029
type: base
`
const devmodeSnap = `
name: devmode-snap
version: 1.0
type: app
confinement: devmode
`
const classicSnap = `
name: classic-snap
version: 1.0
type: app
confinement: classic
`
const requiredSnap1 = `
name: required-snap1
version: 1.0
`
const requiredSnap18 = `
name: required-snap18
version: 1.0
base: core18
`
const defaultTrackSnap18 = `
name: default-track-snap18
version: 1.0
base: core18
`
const snapReqOtherBase = `
name: snap-req-other-base
version: 1.0
base: other-base
`
const snapReqCore16Base = `
name: snap-req-core16-base
version: 1.0
base: core16
`
const snapReqContentProvider = `
name: snap-req-content-provider
version: 1.0
plugs:
gtk-3-themes:
interface: content
default-provider: gtk-common-themes
target: $SNAP/data-dir/themes
`
const snapBaseNone = `
name: snap-base-none
version: 1.0
base: none
`
func (s *imageSuite) TestMissingModelAssertions(c *C) {
_, err := image.DecodeModelAssertion(&image.Options{})
c.Assert(err, ErrorMatches, "cannot read model assertion: open : no such file or directory")
}
func (s *imageSuite) TestIncorrectModelAssertions(c *C) {
fn := filepath.Join(c.MkDir(), "broken-model.assertion")
err := ioutil.WriteFile(fn, nil, 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Assert(err, ErrorMatches, fmt.Sprintf(`cannot decode model assertion "%s": assertion content/signature separator not found`, fn))
}
func (s *imageSuite) TestValidButDifferentAssertion(c *C) {
var differentAssertion = []byte(`type: snap-declaration
authority-id: canonical
series: 16
snap-id: snap-id-1
snap-name: first
publisher-id: dev-id1
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`)
fn := filepath.Join(c.MkDir(), "different.assertion")
err := ioutil.WriteFile(fn, differentAssertion, 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Assert(err, ErrorMatches, fmt.Sprintf(`assertion in "%s" is not a model assertion`, fn))
}
func (s *imageSuite) TestModelAssertionReservedHeaders(c *C) {
const mod = `type: model
authority-id: brand
series: 16
brand-id: brand
model: baz-3000
architecture: armhf
gadget: brand-gadget
kernel: kernel
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`
reserved := []string{
"core",
"os",
"class",
"allowed-modes",
}
for _, rsvd := range reserved {
tweaked := strings.Replace(mod, "kernel: kernel\n", fmt.Sprintf("kernel: kernel\n%s: stuff\n", rsvd), 1)
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, []byte(tweaked), 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Check(err, ErrorMatches, fmt.Sprintf("model assertion cannot have reserved/unsupported header %q set", rsvd))
}
}
func (s *imageSuite) TestModelAssertionNoParallelInstancesOfSnaps(c *C) {
const mod = `type: model
authority-id: brand
series: 16
brand-id: brand
model: baz-3000
architecture: armhf
gadget: brand-gadget
kernel: kernel
required-snaps:
- foo_instance
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, []byte(mod), 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Check(err, ErrorMatches, `.* assertion model: invalid snap name in "required-snaps" header: foo_instance`)
}
func (s *imageSuite) TestModelAssertionNoParallelInstancesOfKernel(c *C) {
const mod = `type: model
authority-id: brand
series: 16
brand-id: brand
model: baz-3000
architecture: armhf
gadget: brand-gadget
kernel: kernel_instance
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, []byte(mod), 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Check(err, ErrorMatches, `.* assertion model: invalid snap name in "kernel" header: kernel_instance`)
}
func (s *imageSuite) TestModelAssertionNoParallelInstancesOfGadget(c *C) {
const mod = `type: model
authority-id: brand
series: 16
brand-id: brand
model: baz-3000
architecture: armhf
gadget: brand-gadget_instance
kernel: kernel
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, []byte(mod), 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Check(err, ErrorMatches, `.* assertion model: invalid snap name in "gadget" header: brand-gadget_instance`)
}
func (s *imageSuite) TestModelAssertionNoParallelInstancesOfBase(c *C) {
const mod = `type: model
authority-id: brand
series: 16
brand-id: brand
model: baz-3000
architecture: armhf
gadget: brand-gadget
kernel: kernel
base: core18_instance
timestamp: 2016-01-02T10:00:00-05:00
sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij
AXNpZw==
`
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, []byte(mod), 0644)
c.Assert(err, IsNil)
_, err = image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Check(err, ErrorMatches, `.* assertion model: invalid snap name in "base" header: core18_instance`)
}
func (s *imageSuite) TestHappyDecodeModelAssertion(c *C) {
fn := filepath.Join(c.MkDir(), "model.assertion")
err := ioutil.WriteFile(fn, asserts.Encode(s.model), 0644)
c.Assert(err, IsNil)
a, err := image.DecodeModelAssertion(&image.Options{
ModelFile: fn,
})
c.Assert(err, IsNil)
c.Check(a.Type(), Equals, asserts.ModelType)
}
func (s *imageSuite) MakeAssertedSnap(c *C, snapYaml string, files [][]string, revision snap.Revision, developerID string) {
s.SeedSnaps.MakeAssertedSnap(c, snapYaml, files, revision, developerID, s.StoreSigning.Database)
}
const stableChannel = "stable"
const pcGadgetYaml = `
volumes:
pc:
bootloader: grub
`
const pcUC20GadgetYaml = `
volumes:
pc:
bootloader: grub
structure:
- name: ubuntu-seed
role: system-seed
type: EF,C12A7328-F81F-11D2-BA4B-00A0C93EC93B
size: 100M
- name: ubuntu-data
role: system-data
type: 83,0FC63DAF-8483-4772-8E79-3D69D8477DE4
size: 200M
`
const piUC20GadgetYaml = `
volumes:
pi:
schema: mbr
bootloader: u-boot
structure:
- name: ubuntu-seed
role: system-seed
type: 0C
size: 100M
- name: ubuntu-data
role: system-data
type: 83,0FC63DAF-8483-4772-8E79-3D69D8477DE4
size: 200M
`
func (s *imageSuite) setupSnaps(c *C, publishers map[string]string, defaultsYaml string) {
gadgetYaml := pcGadgetYaml + defaultsYaml
if _, ok := publishers["pc"]; ok {
s.MakeAssertedSnap(c, packageGadget, [][]string{
{"grub.conf", ""}, {"grub.cfg", "I'm a grub.cfg"},
{"meta/gadget.yaml", gadgetYaml},
}, snap.R(1), publishers["pc"])
}
if _, ok := publishers["pc18"]; ok {
s.MakeAssertedSnap(c, packageGadgetWithBase, [][]string{
{"grub.conf", ""}, {"grub.cfg", "I'm a grub.cfg"},
{"meta/gadget.yaml", gadgetYaml},
}, snap.R(4), publishers["pc18"])
}
if _, ok := publishers["classic-gadget"]; ok {
s.MakeAssertedSnap(c, packageClassicGadget, [][]string{
{"some-file", "Some file"},
}, snap.R(5), publishers["classic-gadget"])
}
if _, ok := publishers["classic-gadget18"]; ok {
s.MakeAssertedSnap(c, packageClassicGadget18, [][]string{
{"some-file", "Some file"},
}, snap.R(5), publishers["classic-gadget18"])
}
if _, ok := publishers["pc-kernel"]; ok {
s.MakeAssertedSnap(c, packageKernel, nil, snap.R(2), publishers["pc-kernel"])
}
s.MakeAssertedSnap(c, packageCore, nil, snap.R(3), "canonical")
s.MakeAssertedSnap(c, packageCore18, nil, snap.R(18), "canonical")
s.MakeAssertedSnap(c, snapdSnap, nil, snap.R(18), "canonical")
s.MakeAssertedSnap(c, otherBase, nil, snap.R(18), "other")
s.MakeAssertedSnap(c, snapReqCore16Base, nil, snap.R(16), "other")
s.MakeAssertedSnap(c, requiredSnap1, nil, snap.R(3), "other")
s.AssertedSnapInfo("required-snap1").EditedContact = "mailto:foo@example.com"
s.MakeAssertedSnap(c, requiredSnap18, nil, snap.R(6), "other")
s.AssertedSnapInfo("required-snap18").EditedContact = "mailto:foo@example.com"
s.MakeAssertedSnap(c, defaultTrackSnap18, nil, snap.R(5), "other")
s.MakeAssertedSnap(c, snapReqOtherBase, nil, snap.R(5), "other")
s.MakeAssertedSnap(c, snapReqContentProvider, nil, snap.R(5), "other")
s.MakeAssertedSnap(c, snapBaseNone, nil, snap.R(1), "other")
}
func (s *imageSuite) loadSeed(c *C, seeddir string) (essSnaps []*seed.Snap, runSnaps []*seed.Snap, roDB asserts.RODatabase) {
label := ""
systems, err := filepath.Glob(filepath.Join(seeddir, "systems", "*"))
c.Assert(err, IsNil)
if len(systems) > 1 {
c.Fatal("expected at most 1 Core 20 recovery system")
} else if len(systems) == 1 {
label = filepath.Base(systems[0])
}
seed, err := seed.Open(seeddir, label)
c.Assert(err, IsNil)
db, err := asserts.OpenDatabase(&asserts.DatabaseConfig{
Backstore: asserts.NewMemoryBackstore(),
Trusted: s.StoreSigning.Trusted,
})
c.Assert(err, IsNil)
commitTo := func(b *asserts.Batch) error {
return b.CommitTo(db, nil)
}
err = seed.LoadAssertions(db, commitTo)
c.Assert(err, IsNil)
err = seed.LoadMeta(timings.New(nil))
c.Assert(err, IsNil)
essSnaps = seed.EssentialSnaps()
runSnaps, err = seed.ModeSnaps("run")
c.Assert(err, IsNil)
return essSnaps, runSnaps, db
}
func (s *imageSuite) TestSetupSeed(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)
defer restore()
preparedir := c.MkDir()
rootdir := filepath.Join(preparedir, "image")
blobdir := filepath.Join(rootdir, "var/lib/snapd/snaps")
s.setupSnaps(c, map[string]string{
"pc": "canonical",
"pc-kernel": "canonical",
}, "")
gadgetWriteResolvedContentCalled := 0
restore = image.MockWriteResolvedContent(func(prepareImageDir string, info *gadget.Info, gadgetRoot, kernelRoot string) error {
c.Check(prepareImageDir, Equals, preparedir)
c.Check(gadgetRoot, Equals, filepath.Join(preparedir, "gadget"))
c.Check(kernelRoot, Equals, filepath.Join(preparedir, "kernel"))
gadgetWriteResolvedContentCalled++
return nil
})
defer restore()
opts := &image.Options{
PrepareDir: preparedir,
Customizations: image.Customizations{
Validation: "ignore",
},
}
err := image.SetupSeed(s.tsto, s.model, opts)
c.Assert(err, IsNil)
// check seed
seeddir := filepath.Join(rootdir, "var/lib/snapd/seed")
seedsnapsdir := filepath.Join(seeddir, "snaps")
essSnaps, runSnaps, roDB := s.loadSeed(c, seeddir)
c.Check(essSnaps, HasLen, 3)
c.Check(runSnaps, HasLen, 1)
// check the files are in place
for i, name := range []string{"core", "pc-kernel", "pc"} {
info := s.AssertedSnapInfo(name)
fn := info.Filename()
p := filepath.Join(seedsnapsdir, fn)
c.Check(p, testutil.FilePresent)
c.Check(essSnaps[i], DeepEquals, &seed.Snap{
Path: p,
SideInfo: &info.SideInfo,
EssentialType: info.Type(),
Essential: true,
Required: true,
Channel: stableChannel,
})
// sanity
if name == "core" {
c.Check(essSnaps[i].SideInfo.SnapID, Equals, s.AssertedSnapID("core"))
}
}
c.Check(runSnaps[0], DeepEquals, &seed.Snap{
Path: filepath.Join(seedsnapsdir, s.AssertedSnapInfo("required-snap1").Filename()),
SideInfo: &s.AssertedSnapInfo("required-snap1").SideInfo,
Required: true,
Channel: stableChannel,
})
c.Check(runSnaps[0].Path, testutil.FilePresent)
l, err := ioutil.ReadDir(seedsnapsdir)
c.Assert(err, IsNil)
c.Check(l, HasLen, 4)
// check assertions
model1, err := s.model.Ref().Resolve(roDB.Find)
c.Assert(err, IsNil)
c.Check(model1, DeepEquals, s.model)
storeAccountKey := s.StoreSigning.StoreAccountKey("")
brandPubKey := s.Brands.PublicKey("my-brand")
_, err = roDB.Find(asserts.AccountKeyType, map[string]string{
"public-key-sha3-384": storeAccountKey.PublicKeyID(),
})
c.Check(err, IsNil)
_, err = roDB.Find(asserts.AccountKeyType, map[string]string{
"public-key-sha3-384": brandPubKey.ID(),
})
c.Check(err, IsNil)
// check the bootloader config
m, err := s.bootloader.GetBootVars("snap_kernel", "snap_core", "snap_menuentry")
c.Assert(err, IsNil)
c.Check(m["snap_kernel"], Equals, "pc-kernel_2.snap")
c.Check(m["snap_core"], Equals, "core_3.snap")
c.Check(m["snap_menuentry"], Equals, "my display name")
// check symlinks from snap blob dir
kernelInfo := s.AssertedSnapInfo("pc-kernel")
coreInfo := s.AssertedSnapInfo("core")
kernelBlob := filepath.Join(blobdir, kernelInfo.Filename())
dst, err := os.Readlink(kernelBlob)
c.Assert(err, IsNil)
c.Check(dst, Equals, "../seed/snaps/pc-kernel_2.snap")
c.Check(kernelBlob, testutil.FilePresent)
coreBlob := filepath.Join(blobdir, coreInfo.Filename())
dst, err = os.Readlink(coreBlob)
c.Assert(err, IsNil)
c.Check(dst, Equals, "../seed/snaps/core_3.snap")
c.Check(coreBlob, testutil.FilePresent)
c.Check(s.stderr.String(), Equals, "")
// check the downloads
c.Check(s.storeActionsBunchSizes, DeepEquals, []int{4})
c.Check(s.storeActions[0], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "core",
Channel: stableChannel,
Flags: store.SnapActionIgnoreValidation,
})
c.Check(s.storeActions[1], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "pc-kernel",
Channel: stableChannel,
Flags: store.SnapActionIgnoreValidation,
})
c.Check(s.storeActions[2], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "pc",
Channel: stableChannel,
Flags: store.SnapActionIgnoreValidation,
})
// content was resolved and written for ubuntu-image
c.Check(gadgetWriteResolvedContentCalled, Equals, 1)
}
func (s *imageSuite) TestSetupSeedLocalCoreBrandKernel(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)
defer restore()
rootdir := filepath.Join(c.MkDir(), "image")
s.setupSnaps(c, map[string]string{
"pc": "canonical",
"pc-kernel": "my-brand",
}, "")
coreFn := snaptest.MakeTestSnapWithFiles(c, packageCore, [][]string{{"local", ""}})
requiredSnap1Fn := snaptest.MakeTestSnapWithFiles(c, requiredSnap1, [][]string{{"local", ""}})
opts := &image.Options{
Snaps: []string{
coreFn,
requiredSnap1Fn,
},
PrepareDir: filepath.Dir(rootdir),
Customizations: image.Customizations{
Validation: "ignore",
},
}
err := image.SetupSeed(s.tsto, s.model, opts)
c.Assert(err, IsNil)
// check seed
seeddir := filepath.Join(rootdir, "var/lib/snapd/seed")
seedsnapsdir := filepath.Join(seeddir, "snaps")
essSnaps, runSnaps, roDB := s.loadSeed(c, seeddir)
c.Check(essSnaps, HasLen, 3)
c.Check(runSnaps, HasLen, 1)
// check the files are in place
for i, name := range []string{"core_x1.snap", "pc-kernel", "pc"} {
channel := stableChannel
info := s.AssertedSnapInfo(name)
var pinfo snap.PlaceInfo = info
var sideInfo *snap.SideInfo
var snapType snap.Type
if info == nil {
switch name {
case "core_x1.snap":
pinfo = snap.MinimalPlaceInfo("core", snap.R(-1))
sideInfo = &snap.SideInfo{
RealName: "core",
}
channel = ""
snapType = snap.TypeOS
}
} else {
sideInfo = &info.SideInfo
snapType = info.Type()
}
fn := pinfo.Filename()
p := filepath.Join(seedsnapsdir, fn)
c.Check(p, testutil.FilePresent)
c.Check(essSnaps[i], DeepEquals, &seed.Snap{
Path: p,
SideInfo: sideInfo,
EssentialType: snapType,
Essential: true,
Required: true,
Channel: channel,
})
}
c.Check(runSnaps[0], DeepEquals, &seed.Snap{
Path: filepath.Join(seedsnapsdir, "required-snap1_x1.snap"),
SideInfo: &snap.SideInfo{
RealName: "required-snap1",
},
Required: true,
})
c.Check(runSnaps[0].Path, testutil.FilePresent)
// check assertions
decls, err := roDB.FindMany(asserts.SnapDeclarationType, nil)
c.Assert(err, IsNil)
// nothing for core
c.Check(decls, HasLen, 2)
// check the bootloader config
m, err := s.bootloader.GetBootVars("snap_kernel", "snap_core")
c.Assert(err, IsNil)
c.Check(m["snap_kernel"], Equals, "pc-kernel_2.snap")
c.Assert(err, IsNil)
c.Check(m["snap_core"], Equals, "core_x1.snap")
c.Check(s.stderr.String(), Equals, "WARNING: \"core\", \"required-snap1\" installed from local snaps disconnected from a store cannot be refreshed subsequently!\n")
}
func (s *imageSuite) TestSetupSeedWithWideCohort(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)
defer restore()
rootdir := filepath.Join(c.MkDir(), "image")
s.setupSnaps(c, map[string]string{
"pc": "canonical",
"pc-kernel": "canonical",
}, "")
snapFile := snaptest.MakeTestSnapWithFiles(c, devmodeSnap, nil)
opts := &image.Options{
Snaps: []string{snapFile},
PrepareDir: filepath.Dir(rootdir),
WideCohortKey: "wide-cohort-key",
}
err := image.SetupSeed(s.tsto, s.model, opts)
c.Assert(err, IsNil)
// check the downloads
c.Check(s.storeActionsBunchSizes, DeepEquals, []int{4})
c.Check(s.storeActions[0], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "core",
Channel: stableChannel,
CohortKey: "wide-cohort-key",
Flags: store.SnapActionIgnoreValidation,
})
c.Check(s.storeActions[1], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "pc-kernel",
Channel: stableChannel,
CohortKey: "wide-cohort-key",
Flags: store.SnapActionIgnoreValidation,
})
c.Check(s.storeActions[2], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "pc",
Channel: stableChannel,
CohortKey: "wide-cohort-key",
Flags: store.SnapActionIgnoreValidation,
})
c.Check(s.storeActions[3], DeepEquals, &store.SnapAction{
Action: "download",
InstanceName: "required-snap1",
Channel: stableChannel,
CohortKey: "wide-cohort-key",
Flags: store.SnapActionIgnoreValidation,
})
}
func (s *imageSuite) TestSetupSeedDevmodeSnap(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)
defer restore()
rootdir := filepath.Join(c.MkDir(), "image")
s.setupSnaps(c, map[string]string{
"pc": "canonical",
"pc-kernel": "canonical",
}, "")
snapFile := snaptest.MakeTestSnapWithFiles(c, devmodeSnap, nil)
opts := &image.Options{
Snaps: []string{snapFile},
PrepareDir: filepath.Dir(rootdir),
Channel: "beta",
}
err := image.SetupSeed(s.tsto, s.model, opts)
c.Assert(err, IsNil)
// check seed
seeddir := filepath.Join(rootdir, "var/lib/snapd/seed")
seedsnapsdir := filepath.Join(seeddir, "snaps")
essSnaps, runSnaps, _ := s.loadSeed(c, seeddir)
c.Check(essSnaps, HasLen, 3)
c.Check(runSnaps, HasLen, 2)
for i, name := range []string{"core", "pc-kernel", "pc"} {
info := s.AssertedSnapInfo(name)
c.Check(essSnaps[i], DeepEquals, &seed.Snap{
Path: filepath.Join(seedsnapsdir, info.Filename()),
SideInfo: &info.SideInfo,
EssentialType: info.Type(),
Essential: true,
Required: true,
Channel: "beta",
})
}
c.Check(runSnaps[0], DeepEquals, &seed.Snap{
Path: filepath.Join(seedsnapsdir, "required-snap1_3.snap"),
SideInfo: &s.AssertedSnapInfo("required-snap1").SideInfo,
Required: true,
Channel: "beta",
})
// ensure local snaps are put last in seed.yaml
c.Check(runSnaps[1], DeepEquals, &seed.Snap{
Path: filepath.Join(seedsnapsdir, "devmode-snap_x1.snap"),
SideInfo: &snap.SideInfo{
RealName: "devmode-snap",
},
DevMode: true,
// no channel for unasserted snaps
Channel: "",
})
// check devmode-snap blob
c.Check(runSnaps[1].Path, testutil.FilePresent)
}
func (s *imageSuite) TestSetupSeedWithClassicSnapFails(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)
defer restore()
rootdir := filepath.Join(c.MkDir(), "image")
s.setupSnaps(c, map[string]string{
"pc": "canonical",
"pc-kernel": "canonical",
}, "")
s.MakeAssertedSnap(c, classicSnap, nil, snap.R(1), "other")
opts := &image.Options{
Snaps: []string{s.AssertedSnap("classic-snap")},
PrepareDir: filepath.Dir(rootdir),
Channel: "beta",
}
err := image.SetupSeed(s.tsto, s.model, opts)
c.Assert(err, ErrorMatches, `cannot use classic snap "classic-snap" in a core system`)
}
func (s *imageSuite) TestSetupSeedWithBase(c *C) {
restore := image.MockTrusted(s.StoreSigning.Trusted)