func (s *JujuConnSuite) AddTestingCharm(c *gc.C, name string) *state.Charm {
ch := testing.Charms.Dir(name)
ident := fmt.Sprintf("%s-%d", ch.Meta().Name, ch.Revision())
curl := charm.MustParseURL("local:quantal/" + ident)
repo, err := charm.InferRepository(curl.Reference, testing.Charms.Path())
c.Assert(err, gc.IsNil)
sch, err := s.Conn.PutCharm(curl, repo, false)
c.Assert(err, gc.IsNil)
return sch
}
func (s *CharmSuite) TestInferRepository(c *gc.C) {
for i, t := range inferRepoTests {
c.Logf("test %d", i)
curl, err := charm.InferURL(t.url, "precise")
c.Assert(err, gc.IsNil)
repo, err := charm.InferRepository(curl.Reference, "/some/path")
c.Assert(err, gc.IsNil)
switch repo := repo.(type) {
case *charm.LocalRepository:
c.Assert(repo.Path, gc.Equals, t.path)
default:
c.Assert(repo, gc.Equals, charm.Store)
}
}
curl, err := charm.InferURL("local:whatever", "precise")
c.Assert(err, gc.IsNil)
_, err = charm.InferRepository(curl.Reference, "")
c.Assert(err, gc.ErrorMatches, "path to local repository not specified")
curl.Schema = "foo"
_, err = charm.InferRepository(curl.Reference, "")
c.Assert(err, gc.ErrorMatches, "unknown schema for charm reference.*")
}
func (c *DeployCommand) Run(ctx *cmd.Context) error {
client, err := juju.NewAPIClientFromName(c.EnvName)
if err != nil {
return err
}
defer client.Close()
attrs, err := client.EnvironmentGet()
if err != nil {
return err
}
conf, err := config.New(config.NoDefaults, attrs)
if err != nil {
return err
}
curl, err := resolveCharmURL(c.CharmName, client, conf)
if err != nil {
return err
}
repo, err := charm.InferRepository(curl.Reference, ctx.AbsPath(c.RepoPath))
if err != nil {
return err
}
repo = config.SpecializeCharmRepo(repo, conf)
curl, err = addCharmViaAPI(client, ctx, curl, repo)
if err != nil {
return err
}
if c.BumpRevision {
ctx.Infof("--upgrade (or -u) is deprecated and ignored; charms are always deployed with a unique revision.")
}
var includeNetworks []string
var excludeNetworks []string
haveNetworks := false
if c.Networks != "" {
includeNetworks = parseNetworks(c.Networks)
haveNetworks = true
}
if c.ExcludeNetworks != "" {
excludeNetworks = parseNetworks(c.ExcludeNetworks)
haveNetworks = true
}
if haveNetworks {
env, err := environs.New(conf)
if err != nil {
return err
}
if !env.SupportNetworks() {
return errors.New("cannot use --networks/--exclude-networks: not supported by the environment")
}
}
charmInfo, err := client.CharmInfo(curl.String())
if err != nil {
return err
}
numUnits := c.NumUnits
if charmInfo.Meta.Subordinate {
if !constraints.IsEmpty(&c.Constraints) {
return errors.New("cannot use --constraints with subordinate service")
}
if numUnits == 1 && c.ToMachineSpec == "" {
numUnits = 0
} else {
return errors.New("cannot use --num-units or --to with subordinate service")
}
}
serviceName := c.ServiceName
if serviceName == "" {
serviceName = charmInfo.Meta.Name
}
var configYAML []byte
if c.Config.Path != "" {
configYAML, err = c.Config.Read(ctx)
if err != nil {
return err
}
}
err = client.ServiceDeployWithNetworks(
curl.String(),
serviceName,
numUnits,
string(configYAML),
c.Constraints,
c.ToMachineSpec,
includeNetworks,
excludeNetworks,
)
if params.IsCodeNotImplemented(err) {
if haveNetworks {
return errors.New("cannot use --networks/--exclude-networks: not supported by the API server")
}
err = client.ServiceDeploy(
curl.String(),
serviceName,
numUnits,
string(configYAML),
c.Constraints,
c.ToMachineSpec)
}
return err
}
// Run connects to the specified environment and starts the charm
// upgrade process.
func (c *UpgradeCharmCommand) Run(ctx *cmd.Context) error {
client, err := juju.NewAPIClientFromName(c.EnvName)
if err != nil {
return err
}
defer client.Close()
oldURL, err := client.ServiceGetCharmURL(c.ServiceName)
if err != nil {
return err
}
attrs, err := client.EnvironmentGet()
if err != nil {
return err
}
conf, err := config.New(config.NoDefaults, attrs)
if err != nil {
return err
}
var newURL *charm.URL
if c.SwitchURL != "" {
newURL, err = resolveCharmURL(c.SwitchURL, client, conf)
if err != nil {
return err
}
} else {
// No new URL specified, but revision might have been.
newURL = oldURL.WithRevision(c.Revision)
}
repo, err := charm.InferRepository(newURL.Reference, ctx.AbsPath(c.RepoPath))
if err != nil {
return err
}
repo = config.SpecializeCharmRepo(repo, conf)
// If no explicit revision was set with either SwitchURL
// or Revision flags, discover the latest.
explicitRevision := true
if newURL.Revision == -1 {
explicitRevision = false
latest, err := charm.Latest(repo, newURL)
if err != nil {
return err
}
newURL = newURL.WithRevision(latest)
}
if *newURL == *oldURL {
if explicitRevision {
return fmt.Errorf("already running specified charm %q", newURL)
} else if newURL.Schema == "cs" {
// No point in trying to upgrade a charm store charm when
// we just determined that's the latest revision
// available.
return fmt.Errorf("already running latest charm %q", newURL)
}
}
addedURL, err := addCharmViaAPI(client, ctx, newURL, repo)
if err != nil {
return err
}
return client.ServiceSetCharm(c.ServiceName, addedURL.String(), c.Force)
}
func (c *PublishCommand) Run(ctx *cmd.Context) (err error) {
branch := bzr.New(ctx.AbsPath(c.CharmPath))
if _, err := os.Stat(branch.Join(".bzr")); err != nil {
return fmt.Errorf("not a charm branch: %s", branch.Location())
}
if err := branch.CheckClean(); err != nil {
return err
}
var curl *charm.URL
if c.URL == "" {
if err == nil {
loc, err := branch.PushLocation()
if err != nil {
return fmt.Errorf("no charm URL provided and cannot infer from current directory (no push location)")
}
curl, err = charm.Store.CharmURL(loc)
if err != nil {
return fmt.Errorf("cannot infer charm URL from branch location: %q", loc)
}
}
} else {
curl, err = charm.InferURL(c.URL, "")
if err != nil {
return err
}
}
pushLocation := charm.Store.BranchLocation(curl)
if c.changePushLocation != nil {
pushLocation = c.changePushLocation(pushLocation)
}
repo, err := charm.InferRepository(curl.Reference, "/not/important")
if err != nil {
return err
}
if repo != charm.Store {
return fmt.Errorf("charm URL must reference the juju charm store")
}
localDigest, err := branch.RevisionId()
if err != nil {
return fmt.Errorf("cannot obtain local digest: %v", err)
}
logger.Infof("local digest is %s", localDigest)
ch, err := charm.ReadDir(branch.Location())
if err != nil {
return err
}
if ch.Meta().Name != curl.Name {
return fmt.Errorf("charm name in metadata must match name in URL: %q != %q", ch.Meta().Name, curl.Name)
}
oldEvent, err := charm.Store.Event(curl, localDigest)
if _, ok := err.(*charm.NotFoundError); ok {
oldEvent, err = charm.Store.Event(curl, "")
if _, ok := err.(*charm.NotFoundError); ok {
logger.Infof("charm %s is not yet in the store", curl)
err = nil
}
}
if err != nil {
return fmt.Errorf("cannot obtain event details from the store: %s", err)
}
if oldEvent != nil && oldEvent.Digest == localDigest {
return handleEvent(ctx, curl, oldEvent)
}
logger.Infof("sending charm to the charm store...")
err = branch.Push(&bzr.PushAttr{Location: pushLocation, Remember: true})
if err != nil {
return err
}
logger.Infof("charm sent; waiting for it to be published...")
for {
time.Sleep(c.pollDelay)
newEvent, err := charm.Store.Event(curl, "")
if _, ok := err.(*charm.NotFoundError); ok {
continue
}
if err != nil {
return fmt.Errorf("cannot obtain event details from the store: %s", err)
}
if oldEvent != nil && oldEvent.Digest == newEvent.Digest {
continue
}
if newEvent.Digest != localDigest {
// TODO Check if the published digest is in the local history.
return fmt.Errorf("charm changed but not to local charm digest; publishing race?")
}
return handleEvent(ctx, curl, newEvent)
}
}