func (s *ConverterSuite) TestNewDeployerCreatesGitDeployerOnceStaged(c *gc.C) {
gitDeployer := charm.NewGitDeployer(s.targetPath, s.dataPath, s.bundles)
info := s.bundles.AddBundle(c, charmURL(1), mockBundle{})
err := gitDeployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
c.Assert(deployer, jc.Satisfies, charm.IsGitDeployer)
}
func (s *ConverterSuite) TestConvertGitDeployerBeforeDeploy(c *gc.C) {
gitDeployer := charm.NewGitDeployer(s.targetPath, s.dataPath, s.bundles)
info := s.bundles.AddBundle(c, charmURL(1), mockBundle{})
err := gitDeployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
err = charm.FixDeployer(&deployer)
c.Assert(err, gc.IsNil)
c.Assert(deployer, jc.Satisfies, charm.IsManifestDeployer)
ft.Removed{"current"}.Check(c, s.dataPath)
err = deployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
err = deployer.Deploy()
c.Assert(err, gc.IsNil)
ft.Removed{".git"}.Check(c, s.targetPath)
}
func (s *ConverterSuite) TestPathological(c *gc.C) {
initial := s.bundles.AddCustomBundle(c, charmURL(1), func(path string) {
ft.File{"common", "initial", 0644}.Create(c, path)
ft.File{"initial", "blah", 0644}.Create(c, path)
})
staged := s.bundles.AddCustomBundle(c, charmURL(2), func(path string) {
ft.File{"common", "staged", 0644}.Create(c, path)
ft.File{"user", "badwrong", 0644}.Create(c, path)
})
final := s.bundles.AddCustomBundle(c, charmURL(3), func(path string) {
ft.File{"common", "final", 0644}.Create(c, path)
ft.File{"final", "blah", 0644}.Create(c, path)
})
gitDeployer := charm.NewGitDeployer(s.targetPath, s.dataPath, s.bundles)
err := gitDeployer.Stage(initial, nil)
c.Assert(err, gc.IsNil)
err = gitDeployer.Deploy()
c.Assert(err, gc.IsNil)
preserveUser := ft.File{"user", "preserve", 0644}.Create(c, s.targetPath)
err = gitDeployer.Stage(staged, nil)
c.Assert(err, gc.IsNil)
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
err = charm.FixDeployer(&deployer)
c.Assert(err, gc.IsNil)
err = deployer.Stage(final, nil)
c.Assert(err, gc.IsNil)
err = deployer.Deploy()
c.Assert(err, gc.IsNil)
ft.Removed{".git"}.Check(c, s.targetPath)
ft.Removed{"initial"}.Check(c, s.targetPath)
ft.Removed{"staged"}.Check(c, s.targetPath)
ft.File{"common", "final", 0644}.Check(c, s.targetPath)
preserveUser.Check(c, s.targetPath)
}
func (u *Uniter) init(unitTag names.UnitTag) (err error) {
u.unit, err = u.st.Unit(unitTag)
if err != nil {
return err
}
if u.unit.Life() == params.Dead {
// If we started up already dead, we should not progress further. If we
// become Dead immediately after starting up, we may well complete any
// operations in progress before detecting it; but that race is fundamental
// and inescapable, whereas this one is not.
return worker.ErrTerminateAgent
}
if err = u.setupLocks(); err != nil {
return err
}
if err := jujuc.EnsureSymlinks(u.paths.ToolsDir); err != nil {
return err
}
if err := os.MkdirAll(u.paths.State.RelationsDir, 0755); err != nil {
return errors.Trace(err)
}
relations, err := relation.NewRelations(
u.st, unitTag, u.paths.State.CharmDir,
u.paths.State.RelationsDir, u.catacomb.Dying(),
)
if err != nil {
return errors.Annotatef(err, "cannot create relations")
}
u.relations = relations
storageAttachments, err := storage.NewAttachments(
u.st, unitTag, u.paths.State.StorageDir, u.catacomb.Dying(),
)
if err != nil {
return errors.Annotatef(err, "cannot create storage hook source")
}
u.storage = storageAttachments
u.commands = runcommands.NewCommands()
u.commandChannel = make(chan string)
deployer, err := charm.NewDeployer(
u.paths.State.CharmDir,
u.paths.State.DeployerDir,
charm.NewBundlesDir(u.paths.State.BundlesDir, u.downloader),
)
if err != nil {
return errors.Annotatef(err, "cannot create deployer")
}
u.deployer = &deployerProxy{deployer}
contextFactory, err := context.NewContextFactory(
u.st, unitTag, u.leadershipTracker, u.relations.GetInfo, u.storage, u.paths, u.clock,
)
if err != nil {
return err
}
runnerFactory, err := runner.NewFactory(
u.st, u.paths, contextFactory,
)
if err != nil {
return errors.Trace(err)
}
u.operationFactory = operation.NewFactory(operation.FactoryParams{
Deployer: u.deployer,
RunnerFactory: runnerFactory,
Callbacks: &operationCallbacks{u},
Abort: u.catacomb.Dying(),
MetricSpoolDir: u.paths.GetMetricsSpoolDir(),
})
operationExecutor, err := u.newOperationExecutor(u.paths.State.OperationsFile, u.getServiceCharmURL, u.acquireExecutionLock)
if err != nil {
return errors.Trace(err)
}
u.operationExecutor = operationExecutor
logger.Debugf("starting juju-run listener on unix:%s", u.paths.Runtime.JujuRunSocket)
commandRunner, err := NewChannelCommandRunner(ChannelCommandRunnerConfig{
Abort: u.catacomb.Dying(),
Commands: u.commands,
CommandChannel: u.commandChannel,
})
if err != nil {
return errors.Annotate(err, "creating command runner")
}
u.runListener, err = NewRunListener(RunListenerConfig{
SocketPath: u.paths.Runtime.JujuRunSocket,
CommandRunner: commandRunner,
})
if err != nil {
return errors.Trace(err)
}
rlw := newRunListenerWrapper(u.runListener)
if err := u.catacomb.Add(rlw); err != nil {
return errors.Trace(err)
}
// The socket needs to have permissions 777 in order for other users to use it.
if jujuos.HostOS() != jujuos.Windows {
return os.Chmod(u.paths.Runtime.JujuRunSocket, 0777)
}
return nil
}
func (s *ConverterSuite) TestNewDeployerCreatesManifestDeployer(c *gc.C) {
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
c.Assert(deployer, jc.Satisfies, charm.IsManifestDeployer)
}
func (u *Uniter) init(unitTag names.UnitTag) (err error) {
u.unit, err = u.st.Unit(unitTag)
if err != nil {
return err
}
if u.unit.Life() == params.Dead {
// If we started up already dead, we should not progress further. If we
// become Dead immediately after starting up, we may well complete any
// operations in progress before detecting it; but that race is fundamental
// and inescapable, whereas this one is not.
return worker.ErrTerminateAgent
}
if err = u.setupLocks(); err != nil {
return err
}
if err := jujuc.EnsureSymlinks(u.paths.ToolsDir); err != nil {
return err
}
if err := os.MkdirAll(u.paths.State.RelationsDir, 0755); err != nil {
return errors.Trace(err)
}
relations, err := newRelations(u.st, unitTag, u.paths, u.tomb.Dying())
if err != nil {
return errors.Annotatef(err, "cannot create relations")
}
u.relations = relations
storageAttachments, err := storage.NewAttachments(
u.st, unitTag, u.paths.State.StorageDir, u.tomb.Dying(),
)
if err != nil {
return errors.Annotatef(err, "cannot create storage hook source")
}
u.storage = storageAttachments
u.addCleanup(storageAttachments.Stop)
deployer, err := charm.NewDeployer(
u.paths.State.CharmDir,
u.paths.State.DeployerDir,
charm.NewBundlesDir(u.paths.State.BundlesDir),
)
if err != nil {
return errors.Annotatef(err, "cannot create deployer")
}
u.deployer = &deployerProxy{deployer}
contextFactory, err := runner.NewContextFactory(
u.st, unitTag, u.leadershipTracker, u.relations.GetInfo, u.storage, u.paths,
)
if err != nil {
return err
}
runnerFactory, err := runner.NewFactory(
u.st, u.paths, contextFactory,
)
if err != nil {
return err
}
u.operationFactory = operation.NewFactory(operation.FactoryParams{
Deployer: u.deployer,
RunnerFactory: runnerFactory,
Callbacks: &operationCallbacks{u},
StorageUpdater: u.storage,
Abort: u.tomb.Dying(),
MetricSender: u.unit,
MetricSpoolDir: u.paths.GetMetricsSpoolDir(),
})
operationExecutor, err := u.newOperationExecutor(u.paths.State.OperationsFile, u.getServiceCharmURL, u.acquireExecutionLock)
if err != nil {
return err
}
u.operationExecutor = operationExecutor
logger.Debugf("starting juju-run listener on unix:%s", u.paths.Runtime.JujuRunSocket)
u.runListener, err = NewRunListener(u, u.paths.Runtime.JujuRunSocket)
if err != nil {
return err
}
u.addCleanup(func() error {
// TODO(fwereade): RunListener returns no error on Close. This seems wrong.
u.runListener.Close()
return nil
})
// The socket needs to have permissions 777 in order for other users to use it.
if version.Current.OS != version.Windows {
return os.Chmod(u.paths.Runtime.JujuRunSocket, 0777)
}
return nil
}
func (u *Uniter) init(unitTag string) (err error) {
tag, err := names.ParseUnitTag(unitTag)
if err != nil {
return err
}
u.unit, err = u.st.Unit(tag)
if err != nil {
return err
}
if u.unit.Life() == params.Dead {
// If we started up already dead, we should not progress further. If we
// become Dead immediately after starting up, we may well complete any
// operations in progress before detecting it; but that race is fundamental
// and inescapable, whereas this one is not.
return worker.ErrTerminateAgent
}
if err = u.setupLocks(); err != nil {
return err
}
u.toolsDir = tools.ToolsDir(u.dataDir, unitTag)
if err := EnsureJujucSymlinks(u.toolsDir); err != nil {
return err
}
u.baseDir = filepath.Join(u.dataDir, "agents", unitTag)
u.relationsDir = filepath.Join(u.baseDir, "state", "relations")
if err := os.MkdirAll(u.relationsDir, 0755); err != nil {
return err
}
serviceTag, err := names.ParseServiceTag(u.unit.ServiceTag())
if err != nil {
return err
}
u.service, err = u.st.Service(serviceTag)
if err != nil {
return err
}
var env *uniter.Environment
env, err = u.st.Environment()
if err != nil {
return err
}
u.uuid = env.UUID()
u.envName = env.Name()
u.relationers = map[int]*Relationer{}
u.relationHooks = make(chan hook.Info)
u.charmPath = filepath.Join(u.baseDir, "charm")
deployerPath := filepath.Join(u.baseDir, "state", "deployer")
bundles := charm.NewBundlesDir(filepath.Join(u.baseDir, "state", "bundles"))
u.deployer, err = charm.NewDeployer(u.charmPath, deployerPath, bundles)
if err != nil {
return fmt.Errorf("cannot create deployer: %v", err)
}
u.sf = NewStateFile(filepath.Join(u.baseDir, "state", "uniter"))
u.rand = rand.New(rand.NewSource(time.Now().Unix()))
// If we start trying to listen for juju-run commands before we have valid
// relation state, surprising things will come to pass.
if err := u.restoreRelations(); err != nil {
return err
}
runListenerSocketPath := filepath.Join(u.baseDir, RunListenerFile)
logger.Debugf("starting juju-run listener on unix:%s", runListenerSocketPath)
u.runListener, err = NewRunListener(u, runListenerSocketPath)
if err != nil {
return err
}
// The socket needs to have permissions 777 in order for other users to use it.
return os.Chmod(runListenerSocketPath, 0777)
}
func (u *Uniter) init(unitTag names.UnitTag) (err error) {
u.unit, err = u.st.Unit(unitTag)
if err != nil {
return err
}
if u.unit.Life() == params.Dead {
// If we started up already dead, we should not progress further. If we
// become Dead immediately after starting up, we may well complete any
// operations in progress before detecting it; but that race is fundamental
// and inescapable, whereas this one is not.
return worker.ErrTerminateAgent
}
// If initialising for the first time after deploying, update the status.
currentStatus, err := u.unit.UnitStatus()
if err != nil {
return err
}
// TODO(fwereade/wallyworld): we should have an explicit place in the model
// to tell us when we've hit this point, instead of piggybacking on top of
// status and/or status history.
// If the previous status was waiting for machine, we transition to the next step.
if currentStatus.Status == string(status.Waiting) &&
(currentStatus.Info == status.MessageWaitForMachine || currentStatus.Info == status.MessageInstallingAgent) {
if err := u.unit.SetUnitStatus(status.Waiting, status.MessageInitializingAgent, nil); err != nil {
return errors.Trace(err)
}
}
if err := jujuc.EnsureSymlinks(u.paths.ToolsDir); err != nil {
return err
}
if err := os.MkdirAll(u.paths.State.RelationsDir, 0755); err != nil {
return errors.Trace(err)
}
relations, err := relation.NewRelations(
u.st, unitTag, u.paths.State.CharmDir,
u.paths.State.RelationsDir, u.catacomb.Dying(),
)
if err != nil {
return errors.Annotatef(err, "cannot create relations")
}
u.relations = relations
storageAttachments, err := storage.NewAttachments(
u.st, unitTag, u.paths.State.StorageDir, u.catacomb.Dying(),
)
if err != nil {
return errors.Annotatef(err, "cannot create storage hook source")
}
u.storage = storageAttachments
u.commands = runcommands.NewCommands()
u.commandChannel = make(chan string)
deployer, err := charm.NewDeployer(
u.paths.State.CharmDir,
u.paths.State.DeployerDir,
charm.NewBundlesDir(u.paths.State.BundlesDir, u.downloader),
)
if err != nil {
return errors.Annotatef(err, "cannot create deployer")
}
contextFactory, err := context.NewContextFactory(
u.st, unitTag, u.leadershipTracker, u.relations.GetInfo, u.storage, u.paths, u.clock,
)
if err != nil {
return err
}
runnerFactory, err := runner.NewFactory(
u.st, u.paths, contextFactory,
)
if err != nil {
return errors.Trace(err)
}
u.operationFactory = operation.NewFactory(operation.FactoryParams{
Deployer: deployer,
RunnerFactory: runnerFactory,
Callbacks: &operationCallbacks{u},
Abort: u.catacomb.Dying(),
MetricSpoolDir: u.paths.GetMetricsSpoolDir(),
})
operationExecutor, err := u.newOperationExecutor(u.paths.State.OperationsFile, u.getServiceCharmURL, u.acquireExecutionLock)
if err != nil {
return errors.Trace(err)
}
u.operationExecutor = operationExecutor
logger.Debugf("starting juju-run listener on unix:%s", u.paths.Runtime.JujuRunSocket)
commandRunner, err := NewChannelCommandRunner(ChannelCommandRunnerConfig{
Abort: u.catacomb.Dying(),
Commands: u.commands,
CommandChannel: u.commandChannel,
})
if err != nil {
return errors.Annotate(err, "creating command runner")
}
u.runListener, err = NewRunListener(RunListenerConfig{
SocketPath: u.paths.Runtime.JujuRunSocket,
CommandRunner: commandRunner,
})
if err != nil {
return errors.Trace(err)
}
rlw := newRunListenerWrapper(u.runListener)
if err := u.catacomb.Add(rlw); err != nil {
return errors.Trace(err)
}
// The socket needs to have permissions 777 in order for other users to use it.
if jujuos.HostOS() != jujuos.Windows {
return os.Chmod(u.paths.Runtime.JujuRunSocket, 0777)
}
return nil
}
