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https://github.com/prometheus-community/windows_exporter
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os: export values in bytes, improve naming of labels
This commit is contained in:
Martin Lindhe
parent
79cc2d8fed
commit
6d299670f9
@ -16,6 +16,12 @@ os | Exposes Win32_OperatingSystem metrics (memory, processes, users)
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perf | Exposes Win32_PerfRawData_PerfDisk_LogicalDisk metrics (disk I/O)
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## TODO
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* expose Win32_Process
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* improve naming in accordance with https://prometheus.io/docs/instrumenting/writing_exporters/#naming
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## License
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Under [MIT](LICENSE)
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128
collectors/os.go
128
collectors/os.go
@ -13,88 +13,88 @@ import (
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// A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics
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type OSCollector struct {
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FreePhysicalMemory *prometheus.Desc
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FreeSpaceInPagingFiles *prometheus.Desc
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FreeVirtualMemory *prometheus.Desc
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MaxNumberOfProcesses *prometheus.Desc
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MaxProcessMemorySize *prometheus.Desc
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NumberOfProcesses *prometheus.Desc
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NumberOfUsers *prometheus.Desc
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SizeStoredInPagingFiles *prometheus.Desc
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TotalVirtualMemorySize *prometheus.Desc
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TotalVisibleMemorySize *prometheus.Desc
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FreePhysicalMemoryBytes *prometheus.Desc
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FreeSpaceInPagingFilesBytes *prometheus.Desc
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FreeVirtualMemoryBytes *prometheus.Desc
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ProcessesMax *prometheus.Desc
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ProcessMemoryBytesBytes *prometheus.Desc
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Processes *prometheus.Desc
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Users *prometheus.Desc
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SizeStoredInPagingFilesBytes *prometheus.Desc
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VirtualMemoryBytesTotal *prometheus.Desc
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VisibleMemoryBytesTotal *prometheus.Desc
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}
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// NewOSCollector ...
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func NewOSCollector() *OSCollector {
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return &OSCollector{
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FreePhysicalMemory: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_physical_memory"),
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"Number, in kilobytes, of physical memory currently unused and available.",
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FreePhysicalMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_physical_memory_bytes"),
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"Physical memory currently unused and available.",
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nil,
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nil,
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),
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FreeSpaceInPagingFiles: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_space_in_paging_files"),
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"Number, in kilobytes, that can be mapped into the operating system paging files without causing any other pages to be swapped out.",
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FreeSpaceInPagingFilesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_space_in_paging_files_bytes"),
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"Number of bytes that can be mapped into the operating system paging files without causing any other pages to be swapped out.",
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nil,
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nil,
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),
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FreeVirtualMemory: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_virtual_memory"),
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"Number, in kilobytes, of virtual memory currently unused and available.",
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FreeVirtualMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_virtual_memory_bytes"),
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"Virtual memory currently unused and available.",
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nil,
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nil,
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),
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MaxNumberOfProcesses: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "max_number_of_processes"),
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ProcessesMax: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "processes_max"),
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"Maximum number of process contexts the operating system can support.",
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nil,
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nil,
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),
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MaxProcessMemorySize: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "max_process_memory_size"),
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"Maximum number, in kilobytes, of memory that can be allocated to a process.",
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ProcessMemoryBytesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "process_memory_bytes_max"),
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"Maximum bytes of memory that can be allocated to a process.",
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nil,
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nil,
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),
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NumberOfProcesses: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "number_of_processes"),
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Processes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "processes"),
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"Number of process contexts currently loaded or running on the operating system.",
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nil,
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nil,
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),
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NumberOfUsers: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "number_of_users"),
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Users: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "users"),
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"Number of user sessions for which the operating system is storing state information currently.",
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nil,
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nil,
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),
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SizeStoredInPagingFiles: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "size_stored_in_paging_files"),
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"Total number of kilobytes that can be stored in the operating system paging files.",
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SizeStoredInPagingFilesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "size_stored_in_paging_files_bytes"),
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"Total number of bytes that can be stored in the operating system paging files.",
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nil,
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nil,
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),
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TotalVirtualMemorySize: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "total_virtual_memory_size"),
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"Number, in kilobytes, of virtual memory.",
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VirtualMemoryBytesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "virtual_memory_bytes_total"),
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"Total amount of virtual memory.",
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nil,
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nil,
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),
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TotalVisibleMemorySize: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "total_visible_memory_size"),
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"Total amount, in kilobytes, of physical memory available to the operating system.",
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VisibleMemoryBytesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "visible_memory_bytes_total"),
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"Total amount of physical memory available to the operating system.",
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nil,
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nil,
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),
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@ -114,16 +114,16 @@ func (c *OSCollector) Collect(ch chan<- prometheus.Metric) {
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// The corresponding metric values are sent separately.
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func (c *OSCollector) Describe(ch chan<- *prometheus.Desc) {
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ch <- c.FreePhysicalMemory
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ch <- c.FreeSpaceInPagingFiles
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ch <- c.FreeVirtualMemory
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ch <- c.MaxNumberOfProcesses
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ch <- c.MaxProcessMemorySize
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ch <- c.NumberOfProcesses
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ch <- c.NumberOfUsers
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ch <- c.SizeStoredInPagingFiles
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ch <- c.TotalVirtualMemorySize
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ch <- c.TotalVisibleMemorySize
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ch <- c.FreePhysicalMemoryBytes
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ch <- c.FreeSpaceInPagingFilesBytes
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ch <- c.FreeVirtualMemoryBytes
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ch <- c.ProcessesMax
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ch <- c.ProcessMemoryBytesBytes
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ch <- c.Processes
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ch <- c.Users
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ch <- c.SizeStoredInPagingFilesBytes
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ch <- c.VirtualMemoryBytesTotal
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ch <- c.VisibleMemoryBytesTotal
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}
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type Win32_OperatingSystem struct {
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@ -149,63 +149,63 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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}
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ch <- prometheus.MustNewConstMetric(
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c.FreePhysicalMemory,
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c.FreePhysicalMemoryBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreePhysicalMemory),
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float64(dst[0].FreePhysicalMemory*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeSpaceInPagingFiles,
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c.FreeSpaceInPagingFilesBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreeSpaceInPagingFiles),
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float64(dst[0].FreeSpaceInPagingFiles*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeVirtualMemory,
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c.FreeVirtualMemoryBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreeVirtualMemory),
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float64(dst[0].FreeVirtualMemory*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.MaxNumberOfProcesses,
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c.ProcessesMax,
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prometheus.GaugeValue,
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float64(dst[0].MaxNumberOfProcesses),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MaxProcessMemorySize,
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c.ProcessMemoryBytesBytes,
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prometheus.GaugeValue,
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float64(dst[0].MaxProcessMemorySize),
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float64(dst[0].MaxProcessMemorySize*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.NumberOfProcesses,
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c.Processes,
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prometheus.GaugeValue,
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float64(dst[0].NumberOfProcesses),
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)
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ch <- prometheus.MustNewConstMetric(
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c.NumberOfUsers,
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c.Users,
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prometheus.GaugeValue,
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float64(dst[0].NumberOfUsers),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SizeStoredInPagingFiles,
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c.SizeStoredInPagingFilesBytes,
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prometheus.GaugeValue,
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float64(dst[0].SizeStoredInPagingFiles),
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float64(dst[0].SizeStoredInPagingFiles*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.TotalVirtualMemorySize,
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c.VirtualMemoryBytesTotal,
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prometheus.GaugeValue,
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float64(dst[0].TotalVirtualMemorySize),
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float64(dst[0].TotalVirtualMemorySize*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.TotalVisibleMemorySize,
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c.VisibleMemoryBytesTotal,
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prometheus.GaugeValue,
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float64(dst[0].TotalVisibleMemorySize),
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float64(dst[0].TotalVisibleMemorySize*1024), // KiB -> bytes
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)
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return nil, nil
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