func (maestro *Maestro) Start() {
maestro.parseTemplates()
nbApplications := len(maestro.Applications)
cleanChans := make(chan bool, nbApplications)
hasGaudiManagedContainer := false
// Clean all applications
for _, currentContainer := range maestro.Applications {
if currentContainer.IsGaudiManaged() {
hasGaudiManagedContainer = true
}
go currentContainer.Clean(cleanChans)
}
<-cleanChans
buildChans := make(chan bool, len(maestro.Applications))
// Check if base image is pulled
if hasGaudiManagedContainer && !docker.ImageExists(DEFAULT_BASE_IMAGE) {
fmt.Println("Pulling base image (this may take a few minutes) ...")
docker.Pull(DEFAULT_BASE_IMAGE_WITH_TAG)
}
// Build all applications
for _, currentContainer := range maestro.Applications {
if currentContainer.IsPreBuild() {
go currentContainer.Pull(buildChans)
} else {
go currentContainer.Build(buildChans)
}
}
for i := 0; i < nbApplications; i++ {
<-buildChans
}
startChans := make(map[string]chan bool)
// Start all applications
for name, currentContainer := range maestro.Applications {
startChans[name] = make(chan bool)
go maestro.startContainer(currentContainer, startChans)
}
// Waiting for all applications to start
for containerName, _ := range maestro.Applications {
<-startChans[containerName]
}
}
func (gaudi *Gaudi) Init(content string) {
err := goyaml.Unmarshal([]byte(content), &gaudi)
if err != nil {
util.LogError(err)
}
emptyCmdForContainers = strings.Split(*emptyCmdFlag, ",")
// Init all containers
gaudi.Applications.AddAmbassadors()
gaudi.All = containerCollection.Merge(gaudi.Applications, gaudi.Binaries)
if len(gaudi.All) == 0 {
util.LogError("No application or binary to start. Are you missing a 'applications' or 'binaries' field in your configuration ?")
}
hasGaudiManagedContainer := gaudi.All.Init(gaudi.ApplicationDir)
// Apply extends
gaudi.applyInheritance()
// Check if docker is installed
if !docker.HasDocker() {
util.LogError("Docker should be installed to use Gaudi (see: https://www.docker.io/gettingstarted/).")
}
// Check if base image is pulled
if hasGaudiManagedContainer && !docker.ImageExists(DEFAULT_BASE_IMAGE) {
util.PrintGreen("Pulling base image (this may take a few minutes) ...")
docker.Pull(DEFAULT_BASE_IMAGE_WITH_TAG)
}
if gaudi.useNewVersion() {
os.RemoveAll(TEMPLATE_DIR)
}
// Check if templates are present
if !util.IsDir(TEMPLATE_DIR) {
util.PrintGreen("Retrieving templates ...")
retrieveTemplates()
extractTemplates()
}
gaudi.build()
}