29 lines
734 B
Go
29 lines
734 B
Go
package mesosutil
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import (
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"os"
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"os/exec"
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"strings"
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log "github.com/golang/glog"
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)
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//TODO(jdef) copied from kubernetes/pkg/util/node.go
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func GetHostname(hostnameOverride string) string {
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hostname := hostnameOverride
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if hostname == "" {
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// Note: We use exec here instead of os.Hostname() because we
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// want the FQDN, and this is the easiest way to get it.
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fqdn, err := exec.Command("hostname", "-f").Output()
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if err != nil || len(fqdn) == 0 {
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log.Errorf("Couldn't determine hostname fqdn, failing back to hostname: %v", err)
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hostname, err = os.Hostname()
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if err != nil {
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log.Fatalf("Error getting hostname: %v", err)
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}
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} else {
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hostname = string(fqdn)
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}
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}
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return strings.TrimSpace(hostname)
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}
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