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os: export values in bytes, improve naming of labels

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This commit is contained in:
Martin Lindhe
2016-08-26 11:35:31 +02:00
parent 79cc2d8fed
commit 6d299670f9
2 changed files with 70 additions and 64 deletions
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6
README.md
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@@ -16,6 +16,12 @@ os | Exposes Win32_OperatingSystem metrics (memory, processes, users)
perf | Exposes Win32_PerfRawData_PerfDisk_LogicalDisk metrics (disk I/O) perf | Exposes Win32_PerfRawData_PerfDisk_LogicalDisk metrics (disk I/O)
## TODO
* expose Win32_Process
* improve naming in accordance with https://prometheus.io/docs/instrumenting/writing_exporters/#naming
## License ## License
Under [MIT](LICENSE) Under [MIT](LICENSE)

128
collectors/os.go
View File

@@ -13,88 +13,88 @@ import (
// A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics // A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics
type OSCollector struct { type OSCollector struct {
FreePhysicalMemory *prometheus.Desc FreePhysicalMemoryBytes *prometheus.Desc
FreeSpaceInPagingFiles *prometheus.Desc FreeSpaceInPagingFilesBytes *prometheus.Desc
FreeVirtualMemory *prometheus.Desc FreeVirtualMemoryBytes *prometheus.Desc
MaxNumberOfProcesses *prometheus.Desc ProcessesMax *prometheus.Desc
MaxProcessMemorySize *prometheus.Desc ProcessMemoryBytesBytes *prometheus.Desc
NumberOfProcesses *prometheus.Desc Processes *prometheus.Desc
NumberOfUsers *prometheus.Desc Users *prometheus.Desc
SizeStoredInPagingFiles *prometheus.Desc SizeStoredInPagingFilesBytes *prometheus.Desc
TotalVirtualMemorySize *prometheus.Desc VirtualMemoryBytesTotal *prometheus.Desc
TotalVisibleMemorySize *prometheus.Desc VisibleMemoryBytesTotal *prometheus.Desc
} }
// NewOSCollector ... // NewOSCollector ...
func NewOSCollector() *OSCollector { func NewOSCollector() *OSCollector {
return &OSCollector{ return &OSCollector{
FreePhysicalMemory: prometheus.NewDesc( FreePhysicalMemoryBytes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "free_physical_memory"), prometheus.BuildFQName(wmiNamespace, "os", "free_physical_memory_bytes"),
"Number, in kilobytes, of physical memory currently unused and available.", "Physical memory currently unused and available.",
nil, nil,
nil, nil,
), ),
FreeSpaceInPagingFiles: prometheus.NewDesc( FreeSpaceInPagingFilesBytes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "free_space_in_paging_files"), prometheus.BuildFQName(wmiNamespace, "os", "free_space_in_paging_files_bytes"),
"Number, in kilobytes, that can be mapped into the operating system paging files without causing any other pages to be swapped out.", "Number of bytes that can be mapped into the operating system paging files without causing any other pages to be swapped out.",
nil, nil,
nil, nil,
), ),
FreeVirtualMemory: prometheus.NewDesc( FreeVirtualMemoryBytes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "free_virtual_memory"), prometheus.BuildFQName(wmiNamespace, "os", "free_virtual_memory_bytes"),
"Number, in kilobytes, of virtual memory currently unused and available.", "Virtual memory currently unused and available.",
nil, nil,
nil, nil,
), ),
MaxNumberOfProcesses: prometheus.NewDesc( ProcessesMax: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "max_number_of_processes"), prometheus.BuildFQName(wmiNamespace, "os", "processes_max"),
"Maximum number of process contexts the operating system can support.", "Maximum number of process contexts the operating system can support.",
nil, nil,
nil, nil,
), ),
MaxProcessMemorySize: prometheus.NewDesc( ProcessMemoryBytesBytes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "max_process_memory_size"), prometheus.BuildFQName(wmiNamespace, "os", "process_memory_bytes_max"),
"Maximum number, in kilobytes, of memory that can be allocated to a process.", "Maximum bytes of memory that can be allocated to a process.",
nil, nil,
nil, nil,
), ),
NumberOfProcesses: prometheus.NewDesc( Processes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "number_of_processes"), prometheus.BuildFQName(wmiNamespace, "os", "processes"),
"Number of process contexts currently loaded or running on the operating system.", "Number of process contexts currently loaded or running on the operating system.",
nil, nil,
nil, nil,
), ),
NumberOfUsers: prometheus.NewDesc( Users: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "number_of_users"), prometheus.BuildFQName(wmiNamespace, "os", "users"),
"Number of user sessions for which the operating system is storing state information currently.", "Number of user sessions for which the operating system is storing state information currently.",
nil, nil,
nil, nil,
), ),
SizeStoredInPagingFiles: prometheus.NewDesc( SizeStoredInPagingFilesBytes: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "size_stored_in_paging_files"), prometheus.BuildFQName(wmiNamespace, "os", "size_stored_in_paging_files_bytes"),
"Total number of kilobytes that can be stored in the operating system paging files.", "Total number of bytes that can be stored in the operating system paging files.",
nil, nil,
nil, nil,
), ),
TotalVirtualMemorySize: prometheus.NewDesc( VirtualMemoryBytesTotal: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "total_virtual_memory_size"), prometheus.BuildFQName(wmiNamespace, "os", "virtual_memory_bytes_total"),
"Number, in kilobytes, of virtual memory.", "Total amount of virtual memory.",
nil, nil,
nil, nil,
), ),
TotalVisibleMemorySize: prometheus.NewDesc( VisibleMemoryBytesTotal: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "total_visible_memory_size"), prometheus.BuildFQName(wmiNamespace, "os", "visible_memory_bytes_total"),
"Total amount, in kilobytes, of physical memory available to the operating system.", "Total amount of physical memory available to the operating system.",
nil, nil,
nil, nil,
), ),
@@ -114,16 +114,16 @@ func (c *OSCollector) Collect(ch chan<- prometheus.Metric) {
// The corresponding metric values are sent separately. // The corresponding metric values are sent separately.
func (c *OSCollector) Describe(ch chan<- *prometheus.Desc) { func (c *OSCollector) Describe(ch chan<- *prometheus.Desc) {
ch <- c.FreePhysicalMemory ch <- c.FreePhysicalMemoryBytes
ch <- c.FreeSpaceInPagingFiles ch <- c.FreeSpaceInPagingFilesBytes
ch <- c.FreeVirtualMemory ch <- c.FreeVirtualMemoryBytes
ch <- c.MaxNumberOfProcesses ch <- c.ProcessesMax
ch <- c.MaxProcessMemorySize ch <- c.ProcessMemoryBytesBytes
ch <- c.NumberOfProcesses ch <- c.Processes
ch <- c.NumberOfUsers ch <- c.Users
ch <- c.SizeStoredInPagingFiles ch <- c.SizeStoredInPagingFilesBytes
ch <- c.TotalVirtualMemorySize ch <- c.VirtualMemoryBytesTotal
ch <- c.TotalVisibleMemorySize ch <- c.VisibleMemoryBytesTotal
} }
type Win32_OperatingSystem struct { type Win32_OperatingSystem struct {
@@ -149,63 +149,63 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
} }
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.FreePhysicalMemory, c.FreePhysicalMemoryBytes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].FreePhysicalMemory), float64(dst[0].FreePhysicalMemory*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.FreeSpaceInPagingFiles, c.FreeSpaceInPagingFilesBytes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].FreeSpaceInPagingFiles), float64(dst[0].FreeSpaceInPagingFiles*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.FreeVirtualMemory, c.FreeVirtualMemoryBytes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].FreeVirtualMemory), float64(dst[0].FreeVirtualMemory*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.MaxNumberOfProcesses, c.ProcessesMax,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].MaxNumberOfProcesses), float64(dst[0].MaxNumberOfProcesses),
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.MaxProcessMemorySize, c.ProcessMemoryBytesBytes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].MaxProcessMemorySize), float64(dst[0].MaxProcessMemorySize*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.NumberOfProcesses, c.Processes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].NumberOfProcesses), float64(dst[0].NumberOfProcesses),
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.NumberOfUsers, c.Users,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].NumberOfUsers), float64(dst[0].NumberOfUsers),
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.SizeStoredInPagingFiles, c.SizeStoredInPagingFilesBytes,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].SizeStoredInPagingFiles), float64(dst[0].SizeStoredInPagingFiles*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.TotalVirtualMemorySize, c.VirtualMemoryBytesTotal,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].TotalVirtualMemorySize), float64(dst[0].TotalVirtualMemorySize*1024), // KiB -> bytes
) )
ch <- prometheus.MustNewConstMetric( ch <- prometheus.MustNewConstMetric(
c.TotalVisibleMemorySize, c.VisibleMemoryBytesTotal,
prometheus.GaugeValue, prometheus.GaugeValue,
float64(dst[0].TotalVisibleMemorySize), float64(dst[0].TotalVisibleMemorySize*1024), // KiB -> bytes
) )
return nil, nil return nil, nil