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tools.go
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tools.go
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// Copyright 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package testing
import (
"bytes"
"context"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"github.com/juju/collections/set"
"github.com/juju/http/v2"
jc "github.com/juju/testing/checkers"
"github.com/juju/utils/v3/arch"
"github.com/juju/version/v2"
gc "gopkg.in/check.v1"
agenttools "github.com/juju/juju/agent/tools"
agenterrors "github.com/juju/juju/cmd/jujud/agent/errors"
coreos "github.com/juju/juju/core/os"
"github.com/juju/juju/environs/filestorage"
"github.com/juju/juju/environs/simplestreams"
sstesting "github.com/juju/juju/environs/simplestreams/testing"
"github.com/juju/juju/environs/storage"
envtools "github.com/juju/juju/environs/tools"
"github.com/juju/juju/juju/names"
coretesting "github.com/juju/juju/testing"
coretools "github.com/juju/juju/tools"
jujuversion "github.com/juju/juju/version"
)
// ToolsFixture is used as a fixture to stub out the default tools URL so we
// don't hit the real internet during tests.
type ToolsFixture struct {
origDefaultURL string
DefaultBaseURL string
// UploadArches holds the architectures of tools to
// upload in UploadFakeTools. If empty, it will default
// to just arch.HostArch()
UploadArches []string
}
func (s *ToolsFixture) SetUpTest(c *gc.C) {
s.origDefaultURL = envtools.DefaultBaseURL
envtools.DefaultBaseURL = s.DefaultBaseURL
}
func (s *ToolsFixture) TearDownTest(c *gc.C) {
envtools.DefaultBaseURL = s.origDefaultURL
}
// UploadFakeToolsToDirectory uploads fake tools of the architectures in
// s.UploadArches for each LTS release to the specified directory.
func (s *ToolsFixture) UploadFakeToolsToDirectory(c *gc.C, dir, toolsDir, stream string) {
stor, err := filestorage.NewFileStorageWriter(dir)
c.Assert(err, jc.ErrorIsNil)
s.UploadFakeTools(c, stor, toolsDir, stream)
}
// UploadFakeTools uploads fake tools of the architectures in
// s.UploadArches for each LTS release to the specified storage.
func (s *ToolsFixture) UploadFakeTools(c *gc.C, stor storage.Storage, toolsDir, stream string) {
UploadFakeTools(c, stor, toolsDir, stream, s.UploadArches...)
}
// RemoveFakeToolsMetadata deletes the fake simplestreams tools metadata from the supplied storage.
func RemoveFakeToolsMetadata(c *gc.C, stor storage.Storage) {
files, err := stor.List("tools/streams")
c.Assert(err, jc.ErrorIsNil)
for _, file := range files {
err = stor.Remove(file)
c.Check(err, jc.ErrorIsNil)
}
}
// CheckTools ensures the obtained and expected tools are equal, allowing for the fact that
// the obtained tools may not have size and checksum set.
func CheckTools(c *gc.C, obtained, expected *coretools.Tools) {
c.Assert(obtained.Version, gc.Equals, expected.Version)
// TODO(dimitern) 2013-10-02 bug #1234217
// Are these used at at all? If not we should drop them.
if obtained.URL != "" {
c.Assert(obtained.URL, gc.Equals, expected.URL)
}
if obtained.Size > 0 {
c.Assert(obtained.Size, gc.Equals, expected.Size)
c.Assert(obtained.SHA256, gc.Equals, expected.SHA256)
}
}
// CheckUpgraderReadyError ensures the obtained and expected errors are equal.
func CheckUpgraderReadyError(c *gc.C, obtained error, expected *agenterrors.UpgradeReadyError) {
c.Assert(obtained, gc.FitsTypeOf, &agenterrors.UpgradeReadyError{})
err := obtained.(*agenterrors.UpgradeReadyError)
c.Assert(err.AgentName, gc.Equals, expected.AgentName)
c.Assert(err.DataDir, gc.Equals, expected.DataDir)
c.Assert(err.OldTools, gc.Equals, expected.OldTools)
c.Assert(err.NewTools, gc.Equals, expected.NewTools)
}
// PrimeTools sets up the current version of the tools to vers and
// makes sure that they're available in the dataDir.
func PrimeTools(c *gc.C, stor storage.Storage, dataDir, toolsDir string, vers version.Binary) *coretools.Tools {
err := os.RemoveAll(filepath.Join(dataDir, "tools"))
c.Assert(err, jc.ErrorIsNil)
agentTools, err := uploadFakeToolsVersion(stor, toolsDir, vers)
c.Assert(err, jc.ErrorIsNil)
client := http.NewClient()
resp, err := client.Get(context.TODO(), agentTools.URL)
c.Assert(err, jc.ErrorIsNil)
defer resp.Body.Close()
err = agenttools.UnpackTools(dataDir, agentTools, resp.Body)
c.Assert(err, jc.ErrorIsNil)
return agentTools
}
func uploadFakeToolsVersion(stor storage.Storage, toolsDir string, vers version.Binary) (*coretools.Tools, error) {
logger.Infof("uploading FAKE tools %s", vers)
tgz, checksum := makeFakeTools(vers)
size := int64(len(tgz))
name := envtools.StorageName(vers, toolsDir)
if err := stor.Put(name, bytes.NewReader(tgz), size); err != nil {
return nil, err
}
url, err := stor.URL(name)
if err != nil {
return nil, err
}
return &coretools.Tools{URL: url, Version: vers, Size: size, SHA256: checksum}, nil
}
// InstallFakeDownloadedTools creates and unpacks fake tools of the
// given version into the data directory specified.
func InstallFakeDownloadedTools(c *gc.C, dataDir string, vers version.Binary) *coretools.Tools {
tgz, checksum := makeFakeTools(vers)
agentTools := &coretools.Tools{
Version: vers,
Size: int64(len(tgz)),
SHA256: checksum,
}
err := agenttools.UnpackTools(dataDir, agentTools, bytes.NewReader(tgz))
c.Assert(err, jc.ErrorIsNil)
return agentTools
}
func makeFakeTools(vers version.Binary) ([]byte, string) {
return coretesting.TarGz(
coretesting.NewTarFile(names.Jujud, 0777, "jujud contents "+vers.String()))
}
// UploadFakeToolsVersions puts fake tools in the supplied storage for the supplied versions.
func UploadFakeToolsVersions(store storage.Storage, toolsDir, stream string, versions ...version.Binary) ([]*coretools.Tools, error) {
// Leave existing tools alone.
existingTools := make(map[version.Binary]*coretools.Tools)
existing, _ := envtools.ReadList(store, toolsDir, 1, -1)
for _, tools := range existing {
existingTools[tools.Version] = tools
}
var agentTools = make(coretools.List, len(versions))
for i, version := range versions {
if tools, ok := existingTools[version]; ok {
agentTools[i] = tools
} else {
t, err := uploadFakeToolsVersion(store, toolsDir, version)
if err != nil {
return nil, err
}
agentTools[i] = t
}
}
ss := simplestreams.NewSimpleStreams(sstesting.TestDataSourceFactory())
if err := envtools.MergeAndWriteMetadata(ss, store, toolsDir, stream, agentTools, envtools.DoNotWriteMirrors); err != nil {
return nil, err
}
err := SignTestTools(store)
if err != nil {
return nil, err
}
return agentTools, nil
}
func SignTestTools(store storage.Storage) error {
files, err := store.List("")
if err != nil {
return err
}
for _, file := range files {
if strings.HasSuffix(file, sstesting.UnsignedJsonSuffix) {
// only sign .json files and data
if err := SignFileData(store, file); err != nil {
return err
}
}
}
return nil
}
func SignFileData(stor storage.Storage, fileName string) error {
r, err := stor.Get(fileName)
if err != nil {
return err
}
defer r.Close()
fileData, err := io.ReadAll(r)
if err != nil {
return err
}
signedName, signedContent, err := sstesting.SignMetadata(fileName, fileData)
if err != nil {
return err
}
err = stor.Put(signedName, strings.NewReader(string(signedContent)), int64(len(string(signedContent))))
if err != nil {
return err
}
return nil
}
// AssertUploadFakeToolsVersions puts fake tools in the supplied storage for the supplied versions.
func AssertUploadFakeToolsVersions(c *gc.C, stor storage.Storage, toolsDir, stream string, versions ...version.Binary) []*coretools.Tools {
agentTools, err := UploadFakeToolsVersions(stor, toolsDir, stream, versions...)
c.Assert(err, jc.ErrorIsNil)
return agentTools
}
// MustUploadFakeToolsVersions acts as UploadFakeToolsVersions, but panics on failure.
func MustUploadFakeToolsVersions(store storage.Storage, stream string, versions ...version.Binary) []*coretools.Tools {
var agentTools = make(coretools.List, len(versions))
for i, version := range versions {
t, err := uploadFakeToolsVersion(store, stream, version)
if err != nil {
panic(err)
}
agentTools[i] = t
}
ss := simplestreams.NewSimpleStreams(sstesting.TestDataSourceFactory())
err := envtools.MergeAndWriteMetadata(ss, store, stream, stream, agentTools, envtools.DoNotWriteMirrors)
if err != nil {
panic(err)
}
return agentTools
}
// UploadFakeTools puts fake tools into the supplied storage with a binary
// version matching jujuversion.Current; if jujuversion.Current's os type is different
// to the host os type, matching fake tools will be uploaded for that host os type.
func UploadFakeTools(c *gc.C, stor storage.Storage, toolsDir, stream string, arches ...string) {
if len(arches) == 0 {
arches = []string{arch.HostArch()}
}
toolsOS := set.NewStrings("ubuntu")
toolsOS.Add(coreos.HostOSTypeName())
var versions []version.Binary
for _, arch := range arches {
for _, osType := range toolsOS.Values() {
v := version.Binary{
Number: jujuversion.Current,
Arch: arch,
Release: osType,
}
versions = append(versions, v)
}
}
c.Logf("uploading fake tool versions: %v", versions)
_, err := UploadFakeToolsVersions(stor, toolsDir, stream, versions...)
c.Assert(err, jc.ErrorIsNil)
}
// RemoveFakeTools deletes the fake tools from the supplied storage.
func RemoveFakeTools(c *gc.C, stor storage.Storage, toolsDir string) {
c.Logf("removing fake tools")
toolsVersion := coretesting.CurrentVersion()
name := envtools.StorageName(toolsVersion, toolsDir)
err := stor.Remove(name)
c.Check(err, jc.ErrorIsNil)
defaultSeries := jujuversion.DefaultSupportedLTS()
if coretesting.HostSeries(c) != defaultSeries {
toolsVersion.Release = "ubuntu"
name := envtools.StorageName(toolsVersion, toolsDir)
err := stor.Remove(name)
c.Check(err, jc.ErrorIsNil)
}
RemoveFakeToolsMetadata(c, stor)
}
// RemoveTools deletes all tools from the supplied storage.
func RemoveTools(c *gc.C, stor storage.Storage, toolsDir string) {
names, err := storage.List(stor, fmt.Sprintf("tools/%s/juju-", toolsDir))
c.Assert(err, jc.ErrorIsNil)
c.Logf("removing files: %v", names)
for _, name := range names {
err = stor.Remove(name)
c.Check(err, jc.ErrorIsNil)
}
RemoveFakeToolsMetadata(c, stor)
}
var (
V100 = version.MustParse("1.0.0")
V100u64 = version.MustParseBinary("1.0.0-ubuntu-amd64")
V100u32 = version.MustParseBinary("1.0.0-ubuntu-i386")
V100p = []version.Binary{V100u64, V100u32}
V100c64 = version.MustParseBinary("1.0.0-centos-amd64")
V100c32 = version.MustParseBinary("1.0.0-centos-i386")
V100q = []version.Binary{V100c64, V100c32}
V100all = append(V100p, V100q...)
V1001 = version.MustParse("1.0.0.1")
V1001u64 = version.MustParseBinary("1.0.0.1-ubuntu-amd64")
V100Xall = append(V100all, V1001u64)
V110 = version.MustParse("1.1.0")
V110u64 = version.MustParseBinary("1.1.0-ubuntu-amd64")
V110u32 = version.MustParseBinary("1.1.0-ubuntu-i386")
V110p = []version.Binary{V110u64, V110u32}
V110c64 = version.MustParseBinary("1.1.0-centos-amd64")
V110c32 = version.MustParseBinary("1.1.0-centos-i386")
V110c = []version.Binary{V110c64, V110c32}
V110all = append(V110p, V110c...)
V120 = version.MustParse("1.2.0")
V120u64 = version.MustParseBinary("1.2.0-ubuntu-amd64")
V120u32 = version.MustParseBinary("1.2.0-ubuntu-i386")
V120all = []version.Binary{V120u64, V120u32}
V1all = append(V100Xall, append(V110all, V120all...)...)
V220 = version.MustParse("2.2.0")
V220u32 = version.MustParseBinary("2.2.0-ubuntu-i386")
V220u64 = version.MustParseBinary("2.2.0-ubuntu-amd64")
V220all = []version.Binary{V220u64, V220u32}
VAll = append(V1all, V220all...)
)
type BootstrapToolsTest struct {
Info string
Available []version.Binary
CliVersion version.Binary
DefaultSeries string
AgentVersion version.Number
Development bool
Arch string
Expect []version.Binary
Err string
}
var noToolsMessage = "Juju cannot bootstrap because no agent binaries are available for your model.*"
var BootstrapToolsTests = []BootstrapToolsTest{
{
Info: "no tools at all",
CliVersion: V100u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: use newest compatible release version",
Available: VAll,
CliVersion: V100u64,
DefaultSeries: "precise",
Expect: V100p,
}, {
Info: "released cli: cli Arch ignored",
Available: VAll,
CliVersion: V100u32,
DefaultSeries: "precise",
Expect: V100p,
}, {
Info: "released cli: cli series ignored",
Available: VAll,
CliVersion: V100c64,
DefaultSeries: "precise",
Expect: V100p,
}, {
Info: "released cli: series taken from default-series",
Available: V120all,
CliVersion: V120u64,
DefaultSeries: "quantal",
Expect: V120all,
}, {
Info: "released cli: ignore close dev match",
Available: V100Xall,
CliVersion: V100u64,
DefaultSeries: "precise",
Expect: V100p,
}, {
Info: "released cli: filter by arch constraints",
Available: V120all,
CliVersion: V120u64,
DefaultSeries: "precise",
Arch: "i386",
Expect: []version.Binary{V120u32},
}, {
Info: "released cli: specific released version",
Available: VAll,
CliVersion: V100u64,
AgentVersion: V100,
DefaultSeries: "precise",
Expect: V100p,
}, {
Info: "released cli: specific dev version",
Available: VAll,
CliVersion: V110u64,
AgentVersion: V110,
DefaultSeries: "precise",
Expect: V110p,
}, {
Info: "released cli: major upgrades bad",
Available: V220all,
CliVersion: V100u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: minor upgrades bad",
Available: V120all,
CliVersion: V100u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: major downgrades bad",
Available: V100Xall,
CliVersion: V220u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: minor downgrades bad",
Available: V100Xall,
CliVersion: V120u64,
DefaultSeries: "quantal",
Err: noToolsMessage,
}, {
Info: "released cli: no matching series",
Available: VAll,
CliVersion: V100u64,
DefaultSeries: "raring",
Err: noToolsMessage,
}, {
Info: "released cli: no matching arches",
Available: VAll,
CliVersion: V100u64,
DefaultSeries: "precise",
Arch: "armhf",
Err: noToolsMessage,
}, {
Info: "released cli: specific bad major 1",
Available: VAll,
CliVersion: V220u64,
AgentVersion: V120,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: specific bad major 2",
Available: VAll,
CliVersion: V120u64,
AgentVersion: V220,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: ignore dev tools 1",
Available: V110all,
CliVersion: V100u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: ignore dev tools 2",
Available: V110all,
CliVersion: V120u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli: ignore dev tools 3",
Available: []version.Binary{V1001u64},
CliVersion: V100u64,
DefaultSeries: "precise",
Err: noToolsMessage,
}, {
Info: "released cli with dev setting respects agent-version",
Available: VAll,
CliVersion: V100c32,
AgentVersion: V1001,
DefaultSeries: "precise",
Development: true,
Expect: []version.Binary{V1001u64},
}, {
Info: "dev cli respects agent-version",
Available: VAll,
CliVersion: V100c32,
AgentVersion: V1001,
DefaultSeries: "precise",
Expect: []version.Binary{V1001u64},
}, {
Info: "released cli with dev setting respects agent-version",
Available: V1all,
CliVersion: V100c32,
AgentVersion: V1001,
DefaultSeries: "precise",
Development: true,
Expect: []version.Binary{V1001u64},
}, {
Info: "dev cli respects agent-version",
Available: V1all,
CliVersion: V100c32,
AgentVersion: V1001,
DefaultSeries: "precise",
Expect: []version.Binary{V1001u64},
}}