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app_runner.go
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app_runner.go
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package plugins
import (
"code.cloudfoundry.org/cli/cf/terminal"
"code.cloudfoundry.org/cpu-entitlement-plugin/reporter"
"code.cloudfoundry.org/cpu-entitlement-plugin/result"
"code.cloudfoundry.org/lager"
"github.com/fatih/color"
)
//go:generate counterfeiter . OutputRenderer
type OutputRenderer interface {
ShowApplicationReport(logger lager.Logger, appReport reporter.ApplicationReport) error
}
//go:generate counterfeiter . Reporter
type Reporter interface {
CreateApplicationReport(logger lager.Logger, appName string) (reporter.ApplicationReport, error)
}
type AppRunner struct {
reporter Reporter
metricsRenderer OutputRenderer
}
func NewAppRunner(reporter Reporter, metricsRenderer OutputRenderer) AppRunner {
return AppRunner{
reporter: reporter,
metricsRenderer: metricsRenderer,
}
}
func (r AppRunner) Run(logger lager.Logger, appName string) result.Result {
logger = logger.Session("run", lager.Data{"app": appName})
logger.Info("start")
defer logger.Info("end")
applicationReport, err := r.reporter.CreateApplicationReport(logger, appName)
if err != nil {
if _, ok := err.(reporter.UnsupportedCFDeploymentError); ok {
return result.FailureFromError(err)
}
return result.FailureFromError(err).WithWarning(bold("Your Cloud Foundry may not have enabled the CPU Entitlements feature. Please consult your operator."))
}
err = r.metricsRenderer.ShowApplicationReport(logger, applicationReport)
if err != nil {
return result.FailureFromError(err)
}
return result.Success()
}
func bold(message string) string {
return terminal.Colorize(message, color.Bold)
}