SUSE/saptune

package system

import (
    "fmt"
    "os/exec"
    "strings"
)

// GetAvailServices returns a map of the available services of the system
func GetAvailServices() map[string]string {
    allServices := make(map[string]string)
    cmdArgs := []string{"--no-pager", "list-unit-files"}
    cmdOut, err := exec.Command(systemctlCmd, cmdArgs...).CombinedOutput()
    if err != nil {
        WarningLog("There was an error running external command %s %s: %v, output: %s", systemctlCmd, cmdArgs, err, cmdOut)
        return allServices
    }
    for _, line := range strings.Split(string(cmdOut), "\n") {
        fields := strings.Fields(line)
        if len(fields) == 0 {
            continue
        }
        serv := strings.TrimSpace(fields[0])
        allServices[serv] = serv
    }
    return allServices
}

// GetServiceName returns the systemd service name for supported services
func GetServiceName(service string) string {
    serviceName := ""
    if len(services) == 0 {
        services = GetAvailServices()
    }
    if _, ok := services[service]; ok {
        serviceName = service
    } else {
        serv := fmt.Sprintf("%s.service", service)
        if _, ok := services[serv]; ok {
            serviceName = serv
        }
    }
    if serviceName == "" {
        WarningLog("skipping unknown service '%s'", service)
    }
    return serviceName
}