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add Flatcar Container Linux command #10

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48 changes: 46 additions & 2 deletions distro.go
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,8 @@ func getOS() string {

// return an operating-system specific user management command to run
func getOSCommands(flavour string) distroCommands {
switch strings.ToLower(flavour) {
f := strings.ToLower(flavour)
switch f {
case "centos:7", "centos:7.4", "centos:7.5", "centos:7.6":
return distroCommands{
addUser: func(username string, home string) ([]byte, error) {
Expand Down Expand Up @@ -135,8 +136,51 @@ func getOSCommands(flavour string) distroCommands {
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
}
}

switch {
case strings.HasPrefix(f, "flatcar"), strings.HasPrefix(f, "flatcar:3510.3"):
return distroCommands{
addUser: func(username string, home string) ([]byte, error) {
args := []string{"useradd", "-m", "--home-dir", home, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
delUser: func(username string) ([]byte, error) {
pgrep := []string{"pgrep", "-l", "-u", username}
if processlist, _ := exec.Command(pgrep[0], pgrep[1:]...).CombinedOutput(); strings.TrimSpace(string(processlist)) != "" {
log.Printf("Found %s processes: %s", username, strings.TrimSpace(strings.Replace(string(processlist), "\n", " ", -1)))
pkill := []string{"pkill", "--signal", "9", "-e", "-u", username}
out, _ := exec.Command(pkill[0], pkill[1:]...).CombinedOutput()
if strings.TrimSpace(string(out)) != "" {
log.Printf("Killed %s processes: %s", username, strings.TrimSpace(strings.Replace(string(out), "\n", " ", -1)))
}
}
args := []string{"userdel", "--remove", "-f", username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
changeShell: func(username string, shell string) ([]byte, error) {
args := []string{"usermod", "--shell", shell, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
changePassword: func(username string, password string) ([]byte, error) {
args := []string{"usermod", "--password", password, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
changeHomeDir: func(username string, home string) ([]byte, error) {
args := []string{"usermod", "--move-home", "--home", home, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
changeGroups: func(username string, groups string) ([]byte, error) {
args := []string{"usermod", "--groups", groups, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
changeComment: func(username string, comment string) ([]byte, error) {
args := []string{"usermod", "--comment", comment, username}
return exec.Command(args[0], args[1:]...).CombinedOutput()
},
}
default:
log.Fatalf("No config for operating system: %s", flavour)
log.Fatalf("No config for operating system: %s", f)
}
return distroCommands{}
}