func newMachineProvider()

in executors/docker/machine/provider.go [627:699]
72 lines of code
2 McCabe index (conditional complexity)

func newMachineProvider() *machineProvider {
	name := "docker+machine"
	provider := common.GetExecutorProvider("docker")
	if provider == nil {
		logrus.Panicln("docker executor provider not initialized")
	}

	return &machineProvider{
		name:     name,
		details:  make(machinesDetails),
		runners:  make(runnersDetails),
		machine:  docker.NewMachineCommand(),
		provider: provider,
		totalActions: prometheus.NewCounterVec(
			prometheus.CounterOpts{
				Name: "gitlab_runner_autoscaling_actions_total",
				Help: "The total number of actions executed by the provider.",
				ConstLabels: prometheus.Labels{
					"executor": name,
				},
			},
			[]string{"action"},
		),
		currentStatesDesc: prometheus.NewDesc(
			"gitlab_runner_autoscaling_machine_states",
			"The current number of machines per state in this provider.",
			[]string{"state"},
			prometheus.Labels{
				"executor": name,
			},
		),
		creationHistogram: prometheus.NewHistogram(
			prometheus.HistogramOpts{
				Name:    "gitlab_runner_autoscaling_machine_creation_duration_seconds",
				Help:    "Histogram of machine creation time.",
				Buckets: prometheus.ExponentialBuckets(30, 1.25, 10),
				ConstLabels: prometheus.Labels{
					"executor": name,
				},
			},
		),
		stoppingHistogram: prometheus.NewHistogram(
			prometheus.HistogramOpts{
				Name:    "gitlab_runner_autoscaling_machine_stopping_duration_seconds",
				Help:    "Histogram of machine stopping time.",
				Buckets: []float64{1, 3, 5, 10, 30, 50, 60, 80, 90, 120},
				ConstLabels: prometheus.Labels{
					"executor": name,
				},
			},
		),
		removalHistogram: prometheus.NewHistogram(
			prometheus.HistogramOpts{
				Name:    "gitlab_runner_autoscaling_machine_removal_duration_seconds",
				Help:    "Histogram of machine removal time.",
				Buckets: []float64{1, 3, 5, 10, 30, 50, 60, 80, 90, 120},
				ConstLabels: prometheus.Labels{
					"executor": name,
				},
			},
		),
		failedCreationHistogram: prometheus.NewHistogram(
			prometheus.HistogramOpts{
				Name:    "gitlab_runner_autoscaling_machine_failed_creation_duration_seconds",
				Help:    "Histogram of machine failed creation timings",
				Buckets: []float64{1, 3, 5, 10, 30, 50, 60, 80, 90, 120},
				ConstLabels: prometheus.Labels{
					"executor": name,
				},
			},
		),
	}
}