52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package fingerprint
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import (
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"fmt"
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"log"
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"os/exec"
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"runtime"
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"strings"
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"github.com/hashicorp/nomad/client/config"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/shirou/gopsutil/host"
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)
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// HostFingerprint is used to fingerprint the host
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type HostFingerprint struct {
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StaticFingerprinter
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logger *log.Logger
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}
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// NewHostFingerprint is used to create a Host fingerprint
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func NewHostFingerprint(logger *log.Logger) Fingerprint {
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f := &HostFingerprint{logger: logger}
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return f
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}
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func (f *HostFingerprint) Fingerprint(cfg *config.Config, node *structs.Node) (bool, error) {
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hostInfo, err := host.Info()
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if err != nil {
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f.logger.Println("[WARN] Error retrieving host information: ", err)
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return false, err
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}
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node.Attributes["os.name"] = hostInfo.Platform
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node.Attributes["os.version"] = hostInfo.PlatformVersion
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node.Attributes["kernel.name"] = runtime.GOOS
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node.Attributes["kernel.version"] = ""
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if runtime.GOOS != "windows" {
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out, err := exec.Command("uname", "-r").Output()
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if err != nil {
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return false, fmt.Errorf("Failed to run uname: %s", err)
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}
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node.Attributes["kernel.version"] = strings.Trim(string(out), "\n")
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}
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node.Attributes["hostname"] = hostInfo.Hostname
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return true, nil
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}
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