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os: expose Win32_ComputerSystem and Win32_PerfRawData_PerfOS_System

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This commit is contained in:
Martin Lindhe
2016-09-19 09:02:05 +02:00
parent 29beaa6c3b
commit 52592bb097
3 changed files with 226 additions and 36 deletions
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60
collector/os.go
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@@ -14,93 +14,82 @@ func init() {
Factories["os"] = NewOSCollector
}
// A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics
// A OSCollector is a Prometheus collector for WMI metrics
type OSCollector struct {
PhysicalMemoryFreeBytes *prometheus.Desc
PagingFreeBytes *prometheus.Desc
VirtualMemoryFreeBytes *prometheus.Desc
ProcessesMax *prometheus.Desc
ProcessMemoryMaxBytes *prometheus.Desc
ProcessesLimit *prometheus.Desc
ProcessMemoryLimitBytes *prometheus.Desc
Processes *prometheus.Desc
Users *prometheus.Desc
PagingMaxBytes *prometheus.Desc
PagingLimitBytes *prometheus.Desc
VirtualMemoryBytes *prometheus.Desc
VisibleMemoryBytes *prometheus.Desc
}
// NewOSCollector ...
func NewOSCollector() (Collector, error) {
const subsystem = "os"
return &OSCollector{
PagingMaxBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "paging_max_bytes"),
"SizeStoredInPagingFiles",
PagingLimitBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "paging_limit_bytes"),
"OperatingSystem.SizeStoredInPagingFiles",
nil,
nil,
),
PagingFreeBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "paging_free_bytes"),
"FreeSpaceInPagingFiles",
"OperatingSystem.FreeSpaceInPagingFiles",
nil,
nil,
),
PhysicalMemoryFreeBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "physical_memory_free_bytes"),
"FreePhysicalMemory",
"OperatingSystem.FreePhysicalMemory",
nil,
nil,
),
Processes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "processes"),
"NumberOfProcesses",
"OperatingSystem.NumberOfProcesses",
nil,
nil,
),
ProcessesMax: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "processes_max"),
"MaxNumberOfProcesses",
ProcessesLimit: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "processes_limit"),
"OperatingSystem.MaxNumberOfProcesses",
nil,
nil,
),
ProcessMemoryMaxBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "process_memory_max_bytes"),
"MaxProcessMemorySize",
ProcessMemoryLimitBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "process_memory_limix_bytes"),
"OperatingSystem.MaxProcessMemorySize",
nil,
nil,
),
Users: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "users"),
"NumberOfUsers",
"OperatingSystem.NumberOfUsers",
nil,
nil,
),
VirtualMemoryBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "virtual_memory_bytes"),
"TotalVirtualMemorySize",
"OperatingSystem.TotalVirtualMemorySize",
nil,
nil,
),
VisibleMemoryBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "visible_memory_bytes"),
"TotalVisibleMemorySize",
"OperatingSystem.TotalVisibleMemorySize",
nil,
nil,
),
VirtualMemoryFreeBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "virtual_memory_free_bytes"),
"FreeVirtualMemory",
"OperatingSystem.FreeVirtualMemory",
nil,
nil,
),
@@ -132,8 +121,7 @@ type Win32_OperatingSystem struct {
func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []Win32_OperatingSystem
q := wmi.CreateQuery(&dst, "")
if err := wmi.Query(q, &dst); err != nil {
if err := wmi.Query(wmi.CreateQuery(&dst, ""), &dst); err != nil {
return nil, err
}
@@ -156,13 +144,13 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
)
ch <- prometheus.MustNewConstMetric(
c.ProcessesMax,
c.ProcessesLimit,
prometheus.GaugeValue,
float64(dst[0].MaxNumberOfProcesses),
)
ch <- prometheus.MustNewConstMetric(
c.ProcessMemoryMaxBytes,
c.ProcessMemoryLimitBytes,
prometheus.GaugeValue,
float64(dst[0].MaxProcessMemorySize*1024), // KiB -> bytes
)
@@ -180,7 +168,7 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
)
ch <- prometheus.MustNewConstMetric(
c.PagingMaxBytes,
c.PagingLimitBytes,
prometheus.GaugeValue,
float64(dst[0].SizeStoredInPagingFiles*1024), // KiB -> bytes
)