// setGivenEnv takes the given env name and finds it in the env list
// in the given settings object. It then populates the EnvironmentID and
// ServiceID on the settings object with appropriate values.
func setGivenEnv(envName string, settings *models.Settings) {
for eName, e := range settings.Environments {
if eName == envName {
settings.EnvironmentID = e.EnvironmentID
settings.ServiceID = e.ServiceID
settings.EnvironmentName = envName
}
}
}
// setFirstAssociatedEnv is the last line of defense. If no other environments
// were found locally or from the default flag, then the first one in the list
// of environments in the given settings object is used to populate
// EnvironmentID and ServiceID with appropriate values.
func setFirstAssociatedEnv(required bool, promptForEnv bool, settings *models.Settings) {
for envName, e := range settings.Environments {
settings.EnvironmentID = e.EnvironmentID
settings.ServiceID = e.ServiceID
settings.EnvironmentName = e.Name
if promptForEnv {
defaultEnvPrompt(envName)
}
break
}
}
// Metrics prints out metrics for a given service or if the service is not
// specified, metrics for the entire environment are printed.
func Metrics(serviceLabel string, jsonFlag bool, csvFlag bool, sparkFlag bool, streamFlag bool, mins int, settings *models.Settings) {
if streamFlag && (jsonFlag || csvFlag || mins != 1) {
fmt.Println("--stream cannot be used with a custom format and multiple records")
os.Exit(1)
}
var singleRetriever func(mins int, settings *models.Settings) *models.Metrics
if serviceLabel != "" {
service := helpers.RetrieveServiceByLabel(serviceLabel, settings)
if service == nil {
fmt.Printf("Could not find a service with the label \"%s\"\n", serviceLabel)
os.Exit(1)
}
settings.ServiceID = service.ID
singleRetriever = helpers.RetrieveServiceMetrics
}
var transformer Transformer
redraw := make(chan bool)
if jsonFlag {
transformer = Transformer{
SingleRetriever: singleRetriever,
DataTransformer: &JSONTransformer{},
}
} else if csvFlag {
buffer := &bytes.Buffer{}
transformer = Transformer{
SingleRetriever: singleRetriever,
DataTransformer: &CSVTransformer{
HeadersWritten: false,
GroupMode: serviceLabel == "",
Buffer: buffer,
Writer: csv.NewWriter(buffer),
},
}
} else if sparkFlag {
// the spark lines interface stays up until closed by the user, so
// we might as well keep updating it as long as it is there
streamFlag = true
mins = 60
err := ui.Init()
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
defer ui.Close()
ui.UseTheme("helloworld")
p := ui.NewPar("PRESS q TO QUIT")
p.HasBorder = false
p.TextFgColor = ui.Theme().SparklineTitle
ui.Body.AddRows(
ui.NewRow(ui.NewCol(12, 0, p)),
)
transformer = Transformer{
SingleRetriever: singleRetriever,
DataTransformer: &SparkTransformer{
Redraw: redraw,
SparkLines: make(map[string]*ui.Sparklines),
},
}
} else {
transformer = Transformer{
SingleRetriever: singleRetriever,
DataTransformer: &TextTransformer{},
}
}
transformer.GroupRetriever = helpers.RetrieveEnvironmentMetrics
transformer.Stream = streamFlag
transformer.GroupMode = serviceLabel == ""
transformer.Mins = mins
transformer.settings = settings
helpers.SignIn(settings)
if sparkFlag {
go transformer.process()
ui.Body.Align()
ui.Render(ui.Body)
quit := make(chan bool)
go maintainSparkLines(redraw, quit)
<-quit
} else {
transformer.process()
}
}