github.com/hhrutter/nomad@v0.6.0-rc2.0.20170723054333-80c4b03f0705/client/fingerprint/host.go (about)

     1  package fingerprint
     2  
     3  import (
     4  	"log"
     5  	"runtime"
     6  
     7  	"github.com/hashicorp/nomad/client/config"
     8  	"github.com/hashicorp/nomad/nomad/structs"
     9  	"github.com/shirou/gopsutil/host"
    10  )
    11  
    12  // HostFingerprint is used to fingerprint the host
    13  type HostFingerprint struct {
    14  	StaticFingerprinter
    15  	logger *log.Logger
    16  }
    17  
    18  // NewHostFingerprint is used to create a Host fingerprint
    19  func NewHostFingerprint(logger *log.Logger) Fingerprint {
    20  	f := &HostFingerprint{logger: logger}
    21  	return f
    22  }
    23  
    24  func (f *HostFingerprint) Fingerprint(cfg *config.Config, node *structs.Node) (bool, error) {
    25  	hostInfo, err := host.Info()
    26  	if err != nil {
    27  		f.logger.Println("[WARN] Error retrieving host information: ", err)
    28  		return false, err
    29  	}
    30  
    31  	node.Attributes["os.name"] = hostInfo.Platform
    32  	node.Attributes["os.version"] = hostInfo.PlatformVersion
    33  
    34  	node.Attributes["kernel.name"] = runtime.GOOS
    35  	node.Attributes["kernel.version"] = hostInfo.KernelVersion
    36  
    37  	node.Attributes["unique.hostname"] = hostInfo.Hostname
    38  
    39  	return true, nil
    40  }