chore: Move private packages to internal (#1664)

internal/collector/cs/cs.go

@@ -0,0 +1,159 @@
+//go:build windows
+
+package cs
+
+import (
+	"log/slog"
+
+	"github.com/alecthomas/kingpin/v2"
+	"github.com/prometheus-community/windows_exporter/internal/headers/sysinfoapi"
+	types2 "github.com/prometheus-community/windows_exporter/internal/types"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/yusufpapurcu/wmi"
+)
+
+const Name = "cs"
+
+type Config struct{}
+
+var ConfigDefaults = Config{}
+
+// A Collector is a Prometheus Collector for WMI metrics.
+type Collector struct {
+	config Config
+
+	// physicalMemoryBytes
+	// Deprecated: Use windows_cpu_logical_processor instead
+	physicalMemoryBytes *prometheus.Desc
+	// logicalProcessors
+	// Deprecated: Use windows_physical_memory_total_bytes instead
+	logicalProcessors *prometheus.Desc
+	// hostname
+	// Deprecated: Use windows_os_hostname instead
+	hostname *prometheus.Desc
+}
+
+func New(config *Config) *Collector {
+	if config == nil {
+		config = &ConfigDefaults
+	}
+
+	c := &Collector{
+		config: *config,
+	}
+
+	return c
+}
+
+func NewWithFlags(_ *kingpin.Application) *Collector {
+	return &Collector{}
+}
+
+func (c *Collector) GetName() string {
+	return Name
+}
+
+func (c *Collector) GetPerfCounter(_ *slog.Logger) ([]string, error) {
+	return []string{}, nil
+}
+
+func (c *Collector) Close(_ *slog.Logger) error {
+	return nil
+}
+
+func (c *Collector) Build(logger *slog.Logger, _ *wmi.Client) error {
+	logger.Warn("The cs collector is deprecated and will be removed in a future release. " +
+		"Logical processors has been moved to cpu_info collector. " +
+		"Physical memory has been moved to memory collector. " +
+		"Hostname has been moved to os collector.")
+
+	c.logicalProcessors = prometheus.NewDesc(
+		prometheus.BuildFQName(types2.Namespace, Name, "logical_processors"),
+		"Deprecated: Use windows_cpu_logical_processor instead",
+		nil,
+		nil,
+	)
+	c.physicalMemoryBytes = prometheus.NewDesc(
+		prometheus.BuildFQName(types2.Namespace, Name, "physical_memory_bytes"),
+		"Deprecated: Use windows_physical_memory_total_bytes instead",
+		nil,
+		nil,
+	)
+	c.hostname = prometheus.NewDesc(
+		prometheus.BuildFQName(types2.Namespace, Name, "hostname"),
+		"Deprecated: Use windows_os_hostname instead",
+		[]string{
+			"hostname",
+			"domain",
+			"fqdn",
+		},
+		nil,
+	)
+
+	return nil
+}
+
+// Collect sends the metric values for each metric
+// to the provided prometheus Metric channel.
+func (c *Collector) Collect(_ *types2.ScrapeContext, logger *slog.Logger, ch chan<- prometheus.Metric) error {
+	logger = logger.With(slog.String("collector", Name))
+
+	if err := c.collect(ch); err != nil {
+		logger.Error("failed collecting cs metrics",
+			slog.Any("err", err),
+		)
+
+		return err
+	}
+
+	return nil
+}
+
+func (c *Collector) collect(ch chan<- prometheus.Metric) error {
+	// Get systeminfo for number of processors
+	systemInfo := sysinfoapi.GetSystemInfo()
+
+	// Get memory status for physical memory
+	mem, err := sysinfoapi.GlobalMemoryStatusEx()
+	if err != nil {
+		return err
+	}
+
+	ch <- prometheus.MustNewConstMetric(
+		c.logicalProcessors,
+		prometheus.GaugeValue,
+		float64(systemInfo.NumberOfProcessors),
+	)
+
+	ch <- prometheus.MustNewConstMetric(
+		c.physicalMemoryBytes,
+		prometheus.GaugeValue,
+		float64(mem.TotalPhys),
+	)
+
+	hostname, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSHostname)
+	if err != nil {
+		return err
+	}
+
+	domain, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSDomain)
+	if err != nil {
+		return err
+	}
+
+	fqdn, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSFullyQualified)
+	if err != nil {
+		return err
+	}
+
+	ch <- prometheus.MustNewConstMetric(
+		c.hostname,
+		prometheus.GaugeValue,
+		1.0,
+		hostname,
+		domain,
+		fqdn,
+	)
+
+	return nil
+}

internal/collector/cs/cs_test.go

@@ -0,0 +1,12 @@
+package cs_test
+
+import (
+	"testing"
+
+	"github.com/prometheus-community/windows_exporter/internal/collector/cs"
+	"github.com/prometheus-community/windows_exporter/internal/testutils"
+)
+
+func BenchmarkCollector(b *testing.B) {
+	testutils.FuncBenchmarkCollector(b, cs.Name, cs.NewWithFlags)
+}