github.com/secure-build/gitlab-runner@v12.5.0+incompatible/executors/docker/machine/name.go (about) 1 package machine 2 3 import ( 4 "crypto/rand" 5 "fmt" 6 "strings" 7 "time" 8 9 "gitlab.com/gitlab-org/gitlab-runner/common" 10 "gitlab.com/gitlab-org/gitlab-runner/helpers/dns" 11 ) 12 13 func machineFormat(runner string, template string) string { 14 if runner != "" { 15 return "runner-" + strings.ToLower(runner) + "-" + template 16 } 17 return template 18 } 19 20 func machineFilter(config *common.RunnerConfig) string { 21 return machineFormat(dns.MakeRFC1123Compatible(config.ShortDescription()), config.Machine.MachineName) 22 } 23 24 func matchesMachineFilter(name, filter string) bool { 25 var query string 26 if n, _ := fmt.Sscanf(name, filter, &query); n == 1 { 27 return true 28 } 29 return false 30 } 31 32 func filterMachineList(machines []string, filter string) (newMachines []string) { 33 newMachines = make([]string, 0, len(machines)) 34 for _, machine := range machines { 35 if matchesMachineFilter(machine, filter) { 36 newMachines = append(newMachines, machine) 37 } 38 } 39 return 40 } 41 42 func newMachineName(config *common.RunnerConfig) string { 43 r := make([]byte, 4) 44 rand.Read(r) 45 t := time.Now().Unix() 46 return fmt.Sprintf(machineFilter(config), fmt.Sprintf("%d-%x", t, r)) 47 }