func (s *toolsSuite) testFindToolsExact(c *gc.C, t common.ToolsStorageGetter, inStorage bool, develVersion bool) {
	var called bool
	s.PatchValue(common.EnvtoolsFindTools, func(e environs.Environ, major, minor int, stream string, filter coretools.Filter) (list coretools.List, err error) {
		called = true
		c.Assert(filter.Number, gc.Equals, version.Current)
		c.Assert(filter.Series, gc.Equals, series.HostSeries())
		c.Assert(filter.Arch, gc.Equals, arch.HostArch())
		if develVersion {
			c.Assert(stream, gc.Equals, "devel")
		} else {
			c.Assert(stream, gc.Equals, "released")
		}
		return nil, errors.NotFoundf("tools")
	})
	toolsFinder := common.NewToolsFinder(s.State, t, sprintfURLGetter("tools:%s"))
	result, err := toolsFinder.FindTools(params.FindToolsParams{
		Number:       version.Current,
		MajorVersion: -1,
		MinorVersion: -1,
		Series:       series.HostSeries(),
		Arch:         arch.HostArch(),
	})
	c.Assert(err, jc.ErrorIsNil)
	if inStorage {
		c.Assert(result.Error, gc.IsNil)
		c.Assert(called, jc.IsFalse)
	} else {
		c.Assert(result.Error, gc.ErrorMatches, "tools not found")
		c.Assert(called, jc.IsTrue)
	}
}

// DefaultVersions returns a slice of unique 'versions' for the current
// environment's preferred series and host architecture, as well supported LTS
// series for the host architecture. Additionally, it ensures that 'versions'
// for amd64 are returned if that is not the current host's architecture.
func DefaultVersions(conf *config.Config) []version.Binary {
	var versions []version.Binary
	supported := series.SupportedLts()
	defaultSeries := set.NewStrings(supported...)
	defaultSeries.Add(config.PreferredSeries(conf))
	defaultSeries.Add(series.HostSeries())
	agentVersion, set := conf.AgentVersion()
	if !set {
		agentVersion = jujuversion.Current
	}
	for _, s := range defaultSeries.Values() {
		versions = append(versions, version.Binary{
			Number: agentVersion,
			Arch:   arch.HostArch(),
			Series: s,
		})
		if arch.HostArch() != "amd64" {
			versions = append(versions, version.Binary{
				Number: agentVersion,
				Arch:   "amd64",
				Series: s,
			})

		}
	}
	return versions
}

func (env *environ) finishInstanceConfig(args environs.StartInstanceParams) error {
	// TODO(natefinch): This is only correct so long as the lxd is running on
	// the local machine.  If/when we support a remote lxd environment, we'll
	// need to change this to match the arch of the remote machine.
	tools, err := args.Tools.Match(tools.Filter{Arch: arch.HostArch()})
	if err != nil {
		return errors.Trace(err)
	}
	if len(tools) == 0 {
		return errors.Errorf("No tools available for architecture %q", arch.HostArch())
	}
	if err := args.InstanceConfig.SetTools(tools); err != nil {
		return errors.Trace(err)
	}
	logger.Debugf("tools: %#v", args.InstanceConfig.ToolsList())

	if err := instancecfg.FinishInstanceConfig(args.InstanceConfig, env.ecfg.Config); err != nil {
		return errors.Trace(err)
	}

	// TODO: evaluate the impact of setting the constraints on the
	// instanceConfig for all machines rather than just controller nodes.
	// This limitation is why the constraints are assigned directly here.
	args.InstanceConfig.Constraints = args.Constraints

	args.InstanceConfig.AgentEnvironment[agent.Namespace] = env.ecfg.namespace()

	return nil
}

// Bootstrap is specified in the Environ interface.
func (env *localEnviron) Bootstrap(ctx environs.BootstrapContext, args environs.BootstrapParams) (*environs.BootstrapResult, error) {
	if err := ensureNotRoot(); err != nil {
		return nil, err
	}

	// Make sure there are tools available for the
	// host's architecture and series.
	if _, err := args.AvailableTools.Match(tools.Filter{
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}); err != nil {
		return nil, err
	}

	cfg, err := env.Config().Apply(map[string]interface{}{
		// Record the bootstrap IP, so the containers know where to go for storage.
		"bootstrap-ip": env.bridgeAddress,
	})
	if err == nil {
		err = env.SetConfig(cfg)
	}
	if err != nil {
		logger.Errorf("failed to apply bootstrap-ip to config: %v", err)
		return nil, err
	}

	result := &environs.BootstrapResult{
		Arch:     arch.HostArch(),
		Series:   series.HostSeries(),
		Finalize: env.finishBootstrap,
	}
	return result, nil
}

func (s *localJujuTestSuite) testBootstrap(c *gc.C, cfg *config.Config) environs.Environ {
	ctx := envtesting.BootstrapContext(c)
	environ, err := local.Provider.PrepareForBootstrap(ctx, cfg)
	c.Assert(err, jc.ErrorIsNil)
	availableTools := coretools.List{&coretools.Tools{
		Version: version.Binary{
			Number: version.Current,
			Arch:   arch.HostArch(),
			Series: series.HostSeries(),
		},
		URL: "http://testing.invalid/tools.tar.gz",
	}}
	result, err := environ.Bootstrap(ctx, environs.BootstrapParams{
		AvailableTools: availableTools,
	})
	c.Assert(err, jc.ErrorIsNil)
	icfg, err := instancecfg.NewBootstrapInstanceConfig(
		constraints.Value{}, constraints.Value{}, "quantal", "",
	)
	c.Assert(err, jc.ErrorIsNil)
	icfg.Tools = availableTools[0]
	err = result.Finalize(ctx, icfg)
	c.Assert(err, jc.ErrorIsNil)
	return environ
}

func (s *ContainerSetupSuite) TestLxcContainerUsesImageURL(c *gc.C) {
	// create a machine to host the container.
	m, err := s.BackingState.AddOneMachine(state.MachineTemplate{
		Series:      series.LatestLts(),
		Jobs:        []state.MachineJob{state.JobHostUnits},
		Constraints: s.defaultConstraints,
	})
	c.Assert(err, jc.ErrorIsNil)
	err = m.SetSupportedContainers([]instance.ContainerType{instance.LXC, instance.KVM})
	c.Assert(err, jc.ErrorIsNil)
	current := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	err = m.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)

	brokerCalled := false
	newlxcbroker := func(api provisioner.APICalls, agentConfig agent.Config, managerConfig container.ManagerConfig,
		imageURLGetter container.ImageURLGetter, enableNAT bool, defaultMTU int) (environs.InstanceBroker, error) {
		imageURL, err := imageURLGetter.ImageURL(instance.LXC, "trusty", "amd64")
		c.Assert(err, jc.ErrorIsNil)
		c.Assert(imageURL, gc.Equals, "imageURL")
		c.Assert(imageURLGetter.CACert(), gc.DeepEquals, []byte("cert"))
		brokerCalled = true
		return nil, fmt.Errorf("lxc broker error")
	}
	s.PatchValue(&provisioner.NewLxcBroker, newlxcbroker)
	s.createContainer(c, m, instance.LXC)
	c.Assert(brokerCalled, jc.IsTrue)
}

func (s *UpgradeSuite) SetUpTest(c *gc.C) {
	s.StateSuite.SetUpTest(c)

	s.preUpgradeError = false
	// Most of these tests normally finish sub-second on a fast machine.
	// If any given test hits a minute, we have almost certainly become
	// wedged, so dump the logs.
	coretesting.DumpTestLogsAfter(time.Minute, c, s)

	s.oldVersion = version.Binary{
		Number: version.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	s.oldVersion.Major = 1
	s.oldVersion.Minor = 16

	// Don't wait so long in tests.
	s.PatchValue(&UpgradeStartTimeoutMaster, time.Duration(time.Millisecond*50))
	s.PatchValue(&UpgradeStartTimeoutSecondary, time.Duration(time.Millisecond*60))

	// Allow tests to make the API connection appear to be dead.
	s.connectionDead = false
	s.PatchValue(&cmdutil.ConnectionIsDead, func(loggo.Logger, cmdutil.Pinger) bool {
		return s.connectionDead
	})

	s.machineIsMaster = true
	fakeIsMachineMaster := func(*state.State, string) (bool, error) {
		return s.machineIsMaster, nil
	}
	s.PatchValue(&IsMachineMaster, fakeIsMachineMaster)

}

// validateUploadAllowed returns an error if an attempt to upload tools should
// not be allowed.
func validateUploadAllowed(env environs.Environ, toolsArch, toolsSeries *string, validator constraints.Validator) error {
	// Now check that the architecture and series for which we are setting up an
	// environment matches that from which we are bootstrapping.
	hostArch := arch.HostArch()
	// We can't build tools for a different architecture if one is specified.
	if toolsArch != nil && *toolsArch != hostArch {
		return fmt.Errorf("cannot use agent built for %q using a machine running on %q", *toolsArch, hostArch)
	}
	hostOS := jujuos.HostOS()
	if toolsSeries != nil {
		toolsSeriesOS, err := series.GetOSFromSeries(*toolsSeries)
		if err != nil {
			return errors.Trace(err)
		}
		if !toolsSeriesOS.EquivalentTo(hostOS) {
			return errors.Errorf("cannot use agent built for %q using a machine running %q", *toolsSeries, hostOS)
		}
	}
	// If no architecture is specified, ensure the target provider supports instances matching our architecture.
	if _, err := validator.Validate(constraints.Value{Arch: &hostArch}); err != nil {
		return errors.Errorf(
			"model %q of type %s does not support instances running on %q",
			env.Config().Name(), env.Config().Type(), hostArch,
		)
	}
	return nil
}

func (s *BootstrapSuite) SetUpTest(c *gc.C) {
	s.BaseSuite.SetUpTest(c)
	s.PatchValue(&sshGenerateKey, func(name string) (string, string, error) {
		return "private-key", "public-key", nil
	})

	s.MgoSuite.SetUpTest(c)
	s.dataDir = c.MkDir()
	s.logDir = c.MkDir()
	s.mongoOplogSize = "1234"
	s.fakeEnsureMongo = agenttesting.InstallFakeEnsureMongo(s)
	s.PatchValue(&maybeInitiateMongoServer, s.fakeEnsureMongo.InitiateMongo)

	// Create fake tools.tar.gz and downloaded-tools.txt.
	current := version.Binary{
		Number: version.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	toolsDir := filepath.FromSlash(agenttools.SharedToolsDir(s.dataDir, current))
	err := os.MkdirAll(toolsDir, 0755)
	c.Assert(err, jc.ErrorIsNil)
	err = ioutil.WriteFile(filepath.Join(toolsDir, "tools.tar.gz"), nil, 0644)
	c.Assert(err, jc.ErrorIsNil)
	s.writeDownloadedTools(c, &tools.Tools{Version: current})
}

func (factory *Factory) makeMachineReturningPassword(c *gc.C, params *MachineParams, setProvisioned bool) (*state.Machine, string) {
	machineTemplate := state.MachineTemplate{
		Series:      params.Series,
		Jobs:        params.Jobs,
		Volumes:     params.Volumes,
		Filesystems: params.Filesystems,
		Constraints: params.Constraints,
	}
	machine, err := factory.st.AddOneMachine(machineTemplate)
	c.Assert(err, jc.ErrorIsNil)
	if setProvisioned {
		err = machine.SetProvisioned(params.InstanceId, params.Nonce, params.Characteristics)
		c.Assert(err, jc.ErrorIsNil)
	}
	err = machine.SetPassword(params.Password)
	c.Assert(err, jc.ErrorIsNil)
	if len(params.Addresses) > 0 {
		err := machine.SetProviderAddresses(params.Addresses...)
		c.Assert(err, jc.ErrorIsNil)
	}
	current := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	err = machine.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)
	return machine, params.Password
}

// MakeMachineNested will make a machine nested in the machine with ID given.
func (factory *Factory) MakeMachineNested(c *gc.C, parentId string, params *MachineParams) *state.Machine {
	params = factory.paramsFillDefaults(c, params)
	machineTemplate := state.MachineTemplate{
		Series:      params.Series,
		Jobs:        params.Jobs,
		Volumes:     params.Volumes,
		Filesystems: params.Filesystems,
		Constraints: params.Constraints,
	}

	m, err := factory.st.AddMachineInsideMachine(
		machineTemplate,
		parentId,
		instance.LXD,
	)
	c.Assert(err, jc.ErrorIsNil)
	err = m.SetProvisioned(params.InstanceId, params.Nonce, params.Characteristics)
	c.Assert(err, jc.ErrorIsNil)
	current := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	err = m.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)
	return m
}

func (s *upgradeSuite) SetUpTest(c *gc.C) {
	s.AgentSuite.SetUpTest(c)

	s.oldVersion = version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	s.oldVersion.Major = 1
	s.oldVersion.Minor = 16

	// Don't wait so long in tests.
	s.PatchValue(&upgradesteps.UpgradeStartTimeoutMaster, time.Duration(time.Millisecond*50))
	s.PatchValue(&upgradesteps.UpgradeStartTimeoutSecondary, time.Duration(time.Millisecond*60))

	// Ensure we don't fail disk space check.
	s.PatchValue(&upgrades.MinDiskSpaceMib, uint64(0))

	// Consume apt-get commands that get run before upgrades.
	aptCmds := s.AgentSuite.HookCommandOutput(&pacman.CommandOutput, nil, nil)
	go func() {
		for _ = range aptCmds {
		}
	}()

	// TODO(mjs) - the following should maybe be part of AgentSuite.SetUpTest()
	s.PatchValue(&cmdutil.EnsureMongoServer, func(mongo.EnsureServerParams) error {
		return nil
	})
	s.PatchValue(&agentcmd.ProductionMongoWriteConcern, false)

}

func (s *MachineSuite) assertAgentSetsToolsVersion(c *gc.C, job state.MachineJob) {
	vers := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	vers.Minor++
	m, _, _ := s.primeAgentVersion(c, vers, job)
	a := s.newAgent(c, m)
	go func() { c.Check(a.Run(nil), jc.ErrorIsNil) }()
	defer func() { c.Check(a.Stop(), jc.ErrorIsNil) }()

	timeout := time.After(coretesting.LongWait)
	for done := false; !done; {
		select {
		case <-timeout:
			c.Fatalf("timeout while waiting for agent version to be set")
		case <-time.After(coretesting.ShortWait):
			c.Log("Refreshing")
			err := m.Refresh()
			c.Assert(err, jc.ErrorIsNil)
			c.Log("Fetching agent tools")
			agentTools, err := m.AgentTools()
			c.Assert(err, jc.ErrorIsNil)
			c.Logf("(%v vs. %v)", agentTools.Version, jujuversion.Current)
			if agentTools.Version.Minor != jujuversion.Current.Minor {
				continue
			}
			c.Assert(agentTools.Version.Number, gc.DeepEquals, jujuversion.Current)
			done = true
		}
	}
}

func createContainer(c *gc.C, manager container.Manager, machineId string) instance.Instance {
	machineNonce := "fake-nonce"
	stateInfo := jujutesting.FakeStateInfo(machineId)
	apiInfo := jujutesting.FakeAPIInfo(machineId)
	instanceConfig, err := instancecfg.NewInstanceConfig(machineId, machineNonce, imagemetadata.ReleasedStream, "quantal", "", true, stateInfo, apiInfo)
	c.Assert(err, jc.ErrorIsNil)
	network := container.BridgeNetworkConfig("virbr0", 0, nil)

	err = instanceConfig.SetTools(tools.List{
		&tools.Tools{
			Version: version.MustParseBinary("2.3.4-foo-bar"),
			URL:     "http://tools.testing.invalid/2.3.4-foo-bar.tgz",
		},
	})
	c.Assert(err, jc.ErrorIsNil)
	environConfig := dummyConfig(c)
	err = instancecfg.FinishInstanceConfig(instanceConfig, environConfig)
	c.Assert(err, jc.ErrorIsNil)
	callback := func(settableStatus status.Status, info string, data map[string]interface{}) error { return nil }
	inst, hardware, err := manager.CreateContainer(instanceConfig, "precise", network, nil, callback)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(hardware, gc.NotNil)
	expected := fmt.Sprintf("arch=%s cpu-cores=1 mem=512M root-disk=8192M", arch.HostArch())
	c.Assert(hardware.String(), gc.Equals, expected)
	return inst
}

func (s *LXCDefaultMTUSuite) TestDefaultMTUPropagatedToNewLXCBroker(c *gc.C) {
	// create a machine to host the container.
	m, err := s.BackingState.AddOneMachine(state.MachineTemplate{
		Series:      coretesting.FakeDefaultSeries,
		Jobs:        []state.MachineJob{state.JobHostUnits},
		Constraints: s.defaultConstraints,
	})
	c.Assert(err, jc.ErrorIsNil)
	err = m.SetSupportedContainers([]instance.ContainerType{instance.LXC, instance.KVM})
	c.Assert(err, jc.ErrorIsNil)
	current := version.Binary{
		Number: version.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	err = m.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)

	brokerCalled := false
	newlxcbroker := func(api provisioner.APICalls, agentConfig agent.Config, managerConfig container.ManagerConfig, imageURLGetter container.ImageURLGetter, enableNAT bool, defaultMTU int) (environs.InstanceBroker, error) {
		brokerCalled = true
		c.Assert(defaultMTU, gc.Equals, 9000)
		return nil, fmt.Errorf("lxc broker error")
	}
	s.PatchValue(&provisioner.NewLxcBroker, newlxcbroker)
	s.createContainer(c, m, instance.LXC)
	c.Assert(brokerCalled, jc.IsTrue)
}

func (s *ContainerSetupSuite) TestContainerInitLockError(c *gc.C) {
	m, err := s.BackingState.AddOneMachine(state.MachineTemplate{
		Series:      coretesting.FakeDefaultSeries,
		Jobs:        []state.MachineJob{state.JobHostUnits},
		Constraints: s.defaultConstraints,
	})
	c.Assert(err, jc.ErrorIsNil)
	current := version.Binary{
		Number: version.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	err = m.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)

	err = os.RemoveAll(s.initLockDir)
	c.Assert(err, jc.ErrorIsNil)
	handler, runner := s.setupContainerWorker(c, m.Tag().(names.MachineTag))
	runner.Kill()
	err = runner.Wait()
	c.Assert(err, jc.ErrorIsNil)

	_, err = handler.SetUp()
	c.Assert(err, jc.ErrorIsNil)
	err = handler.Handle([]string{"0/lxc/0"})
	c.Assert(err, gc.ErrorMatches, ".*failed to acquire initialization lock:.*")

}

func (s *UnitSuite) TestUpgrade(c *gc.C) {
	machine, unit, _, currentTools := s.primeAgent(c)
	agent := s.newAgent(c, unit)
	newVers := version.Binary{
		Number: version.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	newVers.Patch++
	envtesting.AssertUploadFakeToolsVersions(
		c, s.DefaultToolsStorage, s.Environ.Config().AgentStream(), s.Environ.Config().AgentStream(), newVers)

	// The machine agent downloads the tools; fake this by
	// creating downloaded-tools.txt in data-dir/tools/<version>.
	toolsDir := agenttools.SharedToolsDir(s.DataDir(), newVers)
	err := os.MkdirAll(toolsDir, 0755)
	c.Assert(err, jc.ErrorIsNil)
	toolsPath := filepath.Join(toolsDir, "downloaded-tools.txt")
	testTools := tools.Tools{Version: newVers, URL: "http://testing.invalid/tools"}
	data, err := json.Marshal(testTools)
	c.Assert(err, jc.ErrorIsNil)
	err = ioutil.WriteFile(toolsPath, data, 0644)
	c.Assert(err, jc.ErrorIsNil)

	// Set the machine agent version to trigger an upgrade.
	err = machine.SetAgentVersion(newVers)
	c.Assert(err, jc.ErrorIsNil)
	err = runWithTimeout(agent)
	envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
		AgentName: unit.Tag().String(),
		OldTools:  currentTools.Version,
		NewTools:  newVers,
		DataDir:   s.DataDir(),
	})
}

func (suite *maas2EnvironSuite) TestStartInstanceParams(c *gc.C) {
	var env *maasEnviron
	suite.injectController(&fakeController{
		allocateMachineArgsCheck: func(args gomaasapi.AllocateMachineArgs) {
			c.Assert(args, gc.DeepEquals, gomaasapi.AllocateMachineArgs{
				AgentName: env.ecfg().maasAgentName(),
				Zone:      "foo",
				MinMemory: 8192,
			})
		},
		allocateMachine: newFakeMachine("Bruce Sterling", arch.HostArch(), ""),
		allocateMachineMatches: gomaasapi.ConstraintMatches{
			Storage: map[string][]gomaasapi.BlockDevice{},
		},
		zones: []gomaasapi.Zone{&fakeZone{name: "foo"}},
	})
	suite.setupFakeTools(c)
	env = suite.makeEnviron(c, nil)
	params := environs.StartInstanceParams{
		Placement:   "zone=foo",
		Constraints: constraints.MustParse("mem=8G"),
	}
	result, err := testing.StartInstanceWithParams(env, "1", params)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result.Instance.Id(), gc.Equals, instance.Id("Bruce Sterling"))
}

func (s *upgraderSuite) TestToolsForAgent(c *gc.C) {
	current := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	agent := params.Entity{Tag: s.rawMachine.Tag().String()}

	// The machine must have its existing tools set before we query for the
	// next tools. This is so that we can grab Arch and Series without
	// having to pass it in again
	err := s.rawMachine.SetAgentVersion(current)
	c.Assert(err, jc.ErrorIsNil)

	args := params.Entities{Entities: []params.Entity{agent}}
	results, err := s.upgrader.Tools(args)
	c.Assert(err, jc.ErrorIsNil)
	assertTools := func() {
		c.Check(results.Results, gc.HasLen, 1)
		c.Assert(results.Results[0].Error, gc.IsNil)
		agentTools := results.Results[0].ToolsList[0]
		url := fmt.Sprintf("https://%s/model/%s/tools/%s",
			s.APIState.Addr(), coretesting.ModelTag.Id(), current)
		c.Check(agentTools.URL, gc.Equals, url)
		c.Check(agentTools.Version, gc.DeepEquals, current)
	}
	assertTools()
}

// validateUploadAllowed returns an error if an attempt to upload tools should
// not be allowed.
func validateUploadAllowed(env environs.Environ, toolsArch *string) error {
	// Now check that the architecture for which we are setting up an
	// environment matches that from which we are bootstrapping.
	hostArch := arch.HostArch()
	// We can't build tools for a different architecture if one is specified.
	if toolsArch != nil && *toolsArch != hostArch {
		return fmt.Errorf("cannot build tools for %q using a machine running on %q", *toolsArch, hostArch)
	}
	// If no architecture is specified, ensure the target provider supports instances matching our architecture.
	supportedArchitectures, err := env.SupportedArchitectures()
	if err != nil {
		return fmt.Errorf(
			"no packaged tools available and cannot determine environment's supported architectures: %v", err)
	}
	archSupported := false
	for _, arch := range supportedArchitectures {
		if hostArch == arch {
			archSupported = true
			break
		}
	}
	if !archSupported {
		envType := env.Config().Type()
		return errors.Errorf("environment %q of type %s does not support instances running on %q", env.Config().Name(), envType, hostArch)
	}
	return nil
}