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This allows to keep them on subsequent boots. Also refactor systemd unit which was pretty messy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,11 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "os/exec" | ||
|
|
||
| "github.com/mudler/c3os/installer/utils" | ||
| "github.com/pterm/pterm" | ||
| ) | ||
|
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| func Reboot() { | ||
| pterm.Info.Println("Rebooting node") | ||
| exec.Command("reboot").Start() | ||
| utils.SH("reboot") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package systemd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
|
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| "github.com/mudler/c3os/installer/utils" | ||
| ) | ||
|
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| type ServiceUnit struct { | ||
| content string | ||
| name, instance string | ||
| } | ||
|
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| const overrideCmdTemplate string = ` | ||
| [Service] | ||
| ExecStart= | ||
| ExecStart=%s | ||
| ` | ||
|
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| type ServiceOpts func(*ServiceUnit) error | ||
|
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| func WithName(n string) ServiceOpts { | ||
| return func(su *ServiceUnit) error { | ||
| su.name = n | ||
| return nil | ||
| } | ||
| } | ||
|
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| func WithInstance(n string) ServiceOpts { | ||
| return func(su *ServiceUnit) error { | ||
| su.instance = n | ||
| return nil | ||
| } | ||
| } | ||
|
|
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| func WithUnitContent(n string) ServiceOpts { | ||
| return func(su *ServiceUnit) error { | ||
| su.content = n | ||
| return nil | ||
| } | ||
| } | ||
|
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| func NewService(opts ...ServiceOpts) (ServiceUnit, error) { | ||
| s := &ServiceUnit{} | ||
| for _, o := range opts { | ||
| if err := o(s); err != nil { | ||
| return *s, err | ||
| } | ||
| } | ||
| return *s, nil | ||
| } | ||
|
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| func (s ServiceUnit) WriteUnit() error { | ||
| uname := s.name | ||
| if s.instance != "" { | ||
| uname = fmt.Sprintf("%s@", s.name) | ||
| } | ||
| return ioutil.WriteFile(fmt.Sprintf("/etc/systemd/system/%s.service", uname), []byte(s.content), 0600) | ||
| } | ||
|
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| func (s ServiceUnit) OverrideCmd(cmd string) error { | ||
| svcDir := fmt.Sprintf("/etc/systemd/system/%s.service.d/", s.name) | ||
| os.MkdirAll(svcDir, 0600) | ||
|
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| return ioutil.WriteFile(filepath.Join(svcDir, "override.conf"), []byte(fmt.Sprintf(overrideCmdTemplate, cmd)), 0600) | ||
| } | ||
|
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| func (s ServiceUnit) Start() error { | ||
| uname := s.name | ||
| if s.instance != "" { | ||
| uname = fmt.Sprintf("%s@%s", s.name, s.instance) | ||
| } | ||
| _, err := utils.SH(fmt.Sprintf("systemctl start --no-block %s", uname)) | ||
| return err | ||
| } | ||
|
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| func (s ServiceUnit) Enable() error { | ||
| uname := s.name | ||
| if s.instance != "" { | ||
| uname = fmt.Sprintf("%s@%s", s.name, s.instance) | ||
| } | ||
| _, err := utils.SH(fmt.Sprintf("systemctl enable %s", uname)) | ||
| return err | ||
| } | ||
|
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| func (s ServiceUnit) StartBlocking() error { | ||
| uname := s.name | ||
| if s.instance != "" { | ||
| uname = fmt.Sprintf("%s@%s", s.name, s.instance) | ||
| } | ||
| _, err := utils.SH(fmt.Sprintf("systemctl start %s", uname)) | ||
| return err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "os/exec" | ||
|
|
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| "github.com/joho/godotenv" | ||
| ) | ||
|
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| func SH(c string) (string, error) { | ||
| o, err := exec.Command("/bin/sh", "-c", c).CombinedOutput() | ||
| return string(o), err | ||
| } | ||
|
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| func WriteEnv(envFile string, config map[string]string) error { | ||
| content, _ := ioutil.ReadFile(envFile) | ||
| env, _ := godotenv.Unmarshal(string(content)) | ||
|
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| for key, val := range config { | ||
| env[key] = val | ||
| } | ||
|
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| return godotenv.Write(env, envFile) | ||
| } |