53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package fingerprint
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import (
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"fmt"
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"log"
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"github.com/hashicorp/nomad/client/config"
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"github.com/hashicorp/nomad/helper/stats"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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// CPUFingerprint is used to fingerprint the CPU
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type CPUFingerprint struct {
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StaticFingerprinter
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logger *log.Logger
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}
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// NewCPUFingerprint is used to create a CPU fingerprint
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func NewCPUFingerprint(logger *log.Logger) Fingerprint {
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f := &CPUFingerprint{logger: logger}
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return f
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}
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func (f *CPUFingerprint) Fingerprint(cfg *config.Config, node *structs.Node) (bool, error) {
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if err := stats.Init(); err != nil {
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return false, fmt.Errorf("Unable to obtain CPU information: %v", err)
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}
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modelName := stats.CPUModelName()
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if modelName != "" {
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node.Attributes["cpu.modelname"] = modelName
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}
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mhz := stats.CPUMHzPerCore()
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node.Attributes["cpu.frequency"] = fmt.Sprintf("%.0f", mhz)
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f.logger.Printf("[DEBUG] fingerprint.cpu: frequency: %.0f MHz", mhz)
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numCores := stats.CPUNumCores()
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node.Attributes["cpu.numcores"] = fmt.Sprintf("%d", numCores)
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f.logger.Printf("[DEBUG] fingerprint.cpu: core count: %d", numCores)
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tt := stats.TotalTicksAvailable()
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node.Attributes["cpu.totalcompute"] = fmt.Sprintf("%.0f", tt)
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if node.Resources == nil {
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node.Resources = &structs.Resources{}
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}
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node.Resources.CPU = int(tt)
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return true, nil
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}
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