mirror of
https://github.com/EnumeratedDev/enit.git
synced 2026-09-16 02:26:11 +00:00
Add enabled service stages and redo esvm startup and shutdown
This commit is contained in:
+91
-4
@@ -9,6 +9,7 @@ import (
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"net"
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"net"
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"os"
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"os"
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"path"
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"path"
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"strconv"
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"syscall"
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"syscall"
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"time"
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"time"
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)
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)
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@@ -58,7 +59,7 @@ func main() {
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if len(flag.Args()) <= 1 {
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if len(flag.Args()) <= 1 {
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fmt.Println("Usage: ectl service <start/stop/enable/disable/status/list> [service]")
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fmt.Println("Usage: ectl service <start/stop/enable/disable/status/list> [service]")
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return
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return
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} else if flag.Arg(1) == "start" || flag.Arg(1) == "stop" || flag.Arg(1) == "restart" || flag.Arg(1) == "enable" || flag.Arg(1) == "disable" {
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} else if flag.Arg(1) == "start" || flag.Arg(1) == "stop" || flag.Arg(1) == "restart" {
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// Ensure service name argument has been set
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// Ensure service name argument has been set
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if len(flag.Args()) <= 2 {
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if len(flag.Args()) <= 2 {
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fmt.Printf("Usage: ectl service %s <service>\n", flag.Args()[1])
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fmt.Printf("Usage: ectl service %s <service>\n", flag.Args()[1])
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@@ -118,6 +119,82 @@ func main() {
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log.Fatal("Connection returned empty string!")
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log.Fatal("Connection returned empty string!")
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}
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}
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return
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} else if flag.Arg(1) == "enable" || flag.Arg(1) == "disable" {
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// Ensure service name argument has been set
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if len(flag.Args()) <= 2 {
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fmt.Printf("Usage: ectl service %s <service> [stage]\n", flag.Args()[1])
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return
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}
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// Get service stage
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stage := 2
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if len(flag.Args()) > 3 {
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flagStr := flag.Arg(3)
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_stage, err := strconv.ParseInt(flagStr, 10, 32)
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if err != nil {
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log.Fatalf("Error: could not parse stage number: %s", err)
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}
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stage = int(_stage)
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} else if flag.Arg(1) == "disable" {
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stage = 0
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}
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type ServiceCommandJsonStruct struct {
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Command string `json:"command"`
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Service string `json:"service"`
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Stage int `json:"stage"`
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}
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serviceCommandJson := ServiceCommandJsonStruct{
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Command: "set_enabled",
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Service: flag.Arg(2),
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Stage: stage,
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}
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// Encode struct to json string
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jsonData, err := json.Marshal(serviceCommandJson)
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if err != nil {
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log.Fatalf("Could not encode JSON data! Error: %s\n", err)
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}
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_, err = conn.Write(jsonData)
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if err != nil {
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log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
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}
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// Create a buffer for incoming data.
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buf := make([]byte, 4096)
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// Read data from the connection.
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n, err := conn.Read(buf)
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if err == io.EOF {
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return
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}
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if err != nil {
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return
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}
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// Print json data if flag is set
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if *printJson {
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fmt.Println(string(buf[:n]))
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return
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}
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// Decoode JSON data
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var returnedJsonData map[string]any
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err = json.Unmarshal(buf[:n], &returnedJsonData)
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if err != nil {
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log.Fatalf("Could not decode JSON data from connection!")
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}
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if err, ok := returnedJsonData["error"]; ok {
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log.Fatal(err)
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} else if msg, ok := returnedJsonData["success"]; ok {
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fmt.Println(msg)
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} else {
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log.Fatal("Connection returned empty string!")
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}
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return
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return
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} else if flag.Args()[1] == "status" {
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} else if flag.Args()[1] == "status" {
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// Ensure service name argument has been set
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// Ensure service name argument has been set
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@@ -177,10 +254,15 @@ func main() {
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serviceState := returnedJsonData["state"].(string)
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serviceState := returnedJsonData["state"].(string)
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serviceEnabled := returnedJsonData["is_enabled"].(bool)
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serviceEnabled := returnedJsonData["is_enabled"].(bool)
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serviceStage := int(returnedJsonData["stage"].(float64))
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fmt.Printf("Name: %s\n", flag.Arg(2))
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fmt.Printf("Name: %s\n", flag.Arg(2))
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fmt.Printf("State: %s\n", serviceState)
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fmt.Printf("State: %s\n", serviceState)
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fmt.Printf("Enabled: %t\n", serviceEnabled)
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if serviceEnabled {
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fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
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} else {
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fmt.Printf("Enabled: %t\n", serviceEnabled)
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}
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return
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return
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} else if flag.Arg(1) == "list" {
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} else if flag.Arg(1) == "list" {
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@@ -213,7 +295,7 @@ func main() {
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if err != nil {
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if err != nil {
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return
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return
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}
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}
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// Print json data if flag is set
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// Print json data if flag is set
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if *printJson {
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if *printJson {
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fmt.Println(string(buf[:n]))
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fmt.Println(string(buf[:n]))
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@@ -235,10 +317,15 @@ func main() {
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serviceName := serviceMap.(map[string]any)["name"].(string)
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serviceName := serviceMap.(map[string]any)["name"].(string)
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serviceState := serviceMap.(map[string]any)["state"].(string)
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serviceState := serviceMap.(map[string]any)["state"].(string)
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serviceEnabled := serviceMap.(map[string]any)["is_enabled"].(bool)
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serviceEnabled := serviceMap.(map[string]any)["is_enabled"].(bool)
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serviceStage := serviceMap.(map[string]any)["stage"].(int)
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fmt.Printf("Name: %s\n", serviceName)
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fmt.Printf("Name: %s\n", serviceName)
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fmt.Printf("State: %s\n", serviceState)
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fmt.Printf("State: %s\n", serviceState)
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fmt.Printf("Enabled: %t\n", serviceEnabled)
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if serviceEnabled {
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fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
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} else {
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fmt.Printf("Enabled: %t\n", serviceEnabled)
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}
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fmt.Println()
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fmt.Println()
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}
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}
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+25
-25
@@ -149,40 +149,40 @@ func startServiceManager() {
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func stopServiceManager() {
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func stopServiceManager() {
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fmt.Println("Stopping service manager... ")
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fmt.Println("Stopping service manager... ")
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err := syscall.Kill(serviceManagerPid, syscall.SIGTERM)
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process, _ := os.FindProcess(serviceManagerPid)
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if err != nil {
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// Send SIGTERM signal to service manager
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if err := process.Signal(syscall.SIGTERM); err != nil {
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log.Println("Could not stop service manager!")
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log.Println("Could not stop service manager!")
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syscall.Kill(serviceManagerPid, syscall.SIGKILL)
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return
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}
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}
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// Check if service manager has stopped gracefully, otherwise send sigkill on timeout
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// Check if service manager has stopped gracefully, otherwise send sigkill on timeout
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exit := false
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exited := make(chan bool)
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for timeout := time.After(60 * time.Second); ; {
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go func() {
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if exit {
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for {
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break
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if err := process.Signal(syscall.Signal(0)); err != nil {
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}
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select {
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case <-timeout:
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log.Println("Could not stop service manager!")
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err := syscall.Kill(serviceManagerPid, syscall.SIGKILL)
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if err != nil {
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log.Println("Could not stop service manager!")
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}
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exit = true
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default:
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waitZombieProcesses()
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p, err := os.FindProcess(serviceManagerPid)
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if err != nil {
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exit = true
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break
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break
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}
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}
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err = p.Signal(syscall.Signal(0))
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}
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if err != nil {
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exited <- true
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exit = true
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}()
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}
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for {
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select {
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case <-exited:
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fmt.Println("Done.")
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return
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case <-time.After(60 * time.Second):
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log.Println("Could not stop service manager!")
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syscall.Kill(serviceManagerPid, syscall.SIGKILL)
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return
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default:
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waitZombieProcesses()
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}
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}
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}
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}
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fmt.Println("Done.")
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}
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}
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func setHostname() {
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func setHostname() {
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+53
-57
@@ -3,11 +3,14 @@ package main
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import (
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import (
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"flag"
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"flag"
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"fmt"
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"fmt"
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"io"
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"log"
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"log"
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"maps"
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"net"
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"net"
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"os"
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"os"
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"os/signal"
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"os/signal"
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"path"
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"path"
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"slices"
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"strings"
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"strings"
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"syscall"
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"syscall"
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"time"
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"time"
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@@ -21,8 +24,6 @@ var version = "dev"
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var runtimeServiceDir string
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var runtimeServiceDir string
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var serviceConfigDir string
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var serviceConfigDir string
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var Services = make([]EnitService, 0)
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var logger *log.Logger
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var logger *log.Logger
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var socket net.Listener
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var socket net.Listener
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@@ -44,7 +45,7 @@ func main() {
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// Setup main logger
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// Setup main logger
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err := setupESVMLogger()
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err := setupESVMLogger()
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if err != nil {
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if err != nil {
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log.Printf("Could not setup main ESVM logger! Error: %s\n", err)
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log.Printf("Error: could not setup main ESVM logger: %s\n", err)
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logger = log.Default()
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logger = log.Default()
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}
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}
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@@ -94,8 +95,11 @@ func setupESVMLogger() error {
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return err
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return err
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}
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}
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// Setup multiwriter
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w := io.MultiWriter(loggerFile, os.Stderr)
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// Initialize logger and print a header line
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// Initialize logger and print a header line
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logger = log.New(loggerFile, "[ESVM] ", log.Lshortfile|log.LstdFlags)
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logger = log.New(w, "[ESVM] ", log.Lshortfile|log.LstdFlags)
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_, err = loggerFile.WriteString("------ " + time.Now().Format(time.UnixDate) + " ------\n")
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_, err = loggerFile.WriteString("------ " + time.Now().Format(time.UnixDate) + " ------\n")
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return nil
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return nil
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@@ -105,17 +109,17 @@ func Init() {
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logger.Println("Initializing ESVM...")
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logger.Println("Initializing ESVM...")
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if _, err := os.Stat(runtimeServiceDir); err == nil {
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if _, err := os.Stat(runtimeServiceDir); err == nil {
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logger.Fatalf("Could not initialize ESVM! Error: %s", fmt.Errorf("runtime service directory %s already exists", runtimeServiceDir))
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logger.Fatalf("Error: could not initialize ESVM: %s", fmt.Errorf("runtime service directory %s already exists", runtimeServiceDir))
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}
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}
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err := os.MkdirAll(runtimeServiceDir, 0755)
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err := os.MkdirAll(runtimeServiceDir, 0755)
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if err != nil {
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if err != nil {
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logger.Fatalf("Could not initialize ESVM! Error: %s", err)
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logger.Fatalf("Error: could not initialize ESVM: %s", err)
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}
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}
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socket, err = initSocket()
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socket, err = initSocket()
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if err != nil {
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if err != nil {
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logger.Fatalf("Could not initialize ESVM! Error: %s", err)
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logger.Fatalf("Error: could not initialize ESVM: %s", err)
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}
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}
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if stat, err := os.Stat(serviceConfigDir); err != nil || !stat.IsDir() {
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if stat, err := os.Stat(serviceConfigDir); err != nil || !stat.IsDir() {
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@@ -125,7 +129,7 @@ func Init() {
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dirEntries, err := os.ReadDir(path.Join(serviceConfigDir, "services"))
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dirEntries, err := os.ReadDir(path.Join(serviceConfigDir, "services"))
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if err != nil {
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if err != nil {
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logger.Fatalf("Could not initialize ESVM! Error: %s", err)
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logger.Fatalf("Error: Could not initialize ESVM: %s", err)
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}
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}
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// Read and initialize service files
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// Read and initialize service files
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@@ -134,7 +138,7 @@ func Init() {
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logger.Printf("Initializing service (%s)...\n", entry.Name())
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logger.Printf("Initializing service (%s)...\n", entry.Name())
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bytes, err := os.ReadFile(path.Join(serviceConfigDir, "services", entry.Name()))
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bytes, err := os.ReadFile(path.Join(serviceConfigDir, "services", entry.Name()))
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if err != nil {
|
if err != nil {
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logger.Printf("Could not read service file at %s!\n", path.Join(serviceConfigDir, "services", entry.Name()))
|
logger.Printf("Error: Could not read service file (%s)", path.Join(serviceConfigDir, "services", entry.Name()))
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continue
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continue
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}
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}
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|
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@@ -154,27 +158,27 @@ func Init() {
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LogOutput: true,
|
LogOutput: true,
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}
|
}
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if err := yaml.Unmarshal(bytes, &service); err != nil {
|
if err := yaml.Unmarshal(bytes, &service); err != nil {
|
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logger.Printf("Could not read service file at %s!\n", path.Join(serviceConfigDir, "services", entry.Name()))
|
logger.Printf("Error: could not read service file %s", path.Join(serviceConfigDir, "services", entry.Name()))
|
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continue
|
continue
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}
|
}
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|
|
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for _, sv := range Services {
|
for _, sv := range Services {
|
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if sv.Name == service.Name {
|
if sv.Name == service.Name {
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logger.Printf("Service with name (%s) has already been initialized!", service.Name)
|
logger.Printf("Error: service with name (%s) has already been initialized", service.Name)
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}
|
}
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}
|
}
|
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|
|
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switch service.Type {
|
switch service.Type {
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case "simple", "background":
|
case "simple", "background":
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default:
|
default:
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logger.Printf("Unknown service type: %s\n", service.Type)
|
logger.Printf("Error: unknown service type (%s)", service.Type)
|
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continue
|
continue
|
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}
|
}
|
||||||
|
|
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switch service.ExitMethod {
|
switch service.ExitMethod {
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case "stop_command", "kill":
|
case "stop_command", "kill":
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default:
|
default:
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logger.Printf("Unknown exit method: %s\n", service.ExitMethod)
|
logger.Printf("Error: unknown exit method (%s)\n", service.ExitMethod)
|
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continue
|
continue
|
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}
|
}
|
||||||
|
|
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@@ -187,12 +191,12 @@ func Init() {
|
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service.ServiceRunPath = path.Join(runtimeServiceDir, service.Name)
|
service.ServiceRunPath = path.Join(runtimeServiceDir, service.Name)
|
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err = os.MkdirAll(path.Join(service.ServiceRunPath), 0755)
|
err = os.MkdirAll(path.Join(service.ServiceRunPath), 0755)
|
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if err != nil {
|
if err != nil {
|
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logger.Fatalf("Could not initialize ESVM! Error: %s", err)
|
logger.Fatalf("Error: could not initialize ESVM: %s", err)
|
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}
|
}
|
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|
|
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err = service.setCurrentState(EnitServiceUnloaded)
|
err = service.setCurrentState(EnitServiceUnloaded)
|
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if err != nil {
|
if err != nil {
|
||||||
logger.Fatalf("Could not initialize ESVM! Error: %s", err)
|
logger.Fatalf("Error: could not initialize ESVM: %s", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
Services = append(Services, service)
|
Services = append(Services, service)
|
||||||
@@ -201,51 +205,33 @@ func Init() {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Get enabled services that meet their dependencies
|
// Read enabled services
|
||||||
servicesWithMetDepends := make([]EnitService, 0)
|
ReadEnabledServices()
|
||||||
for _, service := range Services {
|
|
||||||
if service.isEnabled() && len(service.GetUnmetDependencies()) == 0 {
|
|
||||||
servicesWithMetDepends = append(servicesWithMetDepends, service)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Loop until all enabled services have started or timed out
|
// Start enabled services
|
||||||
for start := time.Now(); time.Since(start) < 60*time.Second; {
|
stages := slices.Collect(maps.Keys(EnabledServices))
|
||||||
if len(servicesWithMetDepends) == 0 {
|
slices.Sort(stages)
|
||||||
break
|
for stage := 0; stage <= stages[len(stages)-1]; stage++ {
|
||||||
}
|
logger.Printf("Starting stage %d services...", stage)
|
||||||
|
|
||||||
for i := len(servicesWithMetDepends) - 1; i >= 0; i-- {
|
services := EnabledServices[stage]
|
||||||
service := servicesWithMetDepends[i]
|
remainingServices := len(services)
|
||||||
canStart := true
|
for remainingServices != 0 {
|
||||||
for _, dependency := range service.Dependencies {
|
for _, serviceName := range services {
|
||||||
if strings.HasPrefix(dependency, "/") {
|
service := GetServiceByName(serviceName)
|
||||||
// File dependency
|
if service == nil {
|
||||||
if _, err := os.Stat(dependency); err != nil {
|
remainingServices--
|
||||||
canStart = false
|
continue
|
||||||
break
|
}
|
||||||
}
|
|
||||||
} else {
|
if len(service.GetUnmetDependencies()) == 0 {
|
||||||
// Service dependency
|
err := service.StartService()
|
||||||
if GetServiceByName(dependency).GetCurrentState() != EnitServiceRunning && GetServiceByName(dependency).GetCurrentState() != EnitServiceCompleted {
|
if err != nil {
|
||||||
canStart = false
|
logger.Printf("Error: could not start service (%s): %s", service.Name, err)
|
||||||
break
|
|
||||||
}
|
}
|
||||||
|
remainingServices--
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
if canStart {
|
|
||||||
err := service.StartService()
|
|
||||||
if err != nil {
|
|
||||||
logger.Printf("Could not start service (%s)! Error: %s", service.Name, err)
|
|
||||||
}
|
|
||||||
servicesWithMetDepends = append(servicesWithMetDepends[:i], servicesWithMetDepends[i+1:]...)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if len(servicesWithMetDepends) > 0 {
|
|
||||||
for _, service := range servicesWithMetDepends {
|
|
||||||
logger.Printf("Could not start service (%s)! Error: dependencies not met", service.Name)
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -254,11 +240,21 @@ func Init() {
|
|||||||
|
|
||||||
func Destroy() {
|
func Destroy() {
|
||||||
logger.Println("Stopping all ESVM services...")
|
logger.Println("Stopping all ESVM services...")
|
||||||
for _, service := range Services {
|
|
||||||
|
// Loop through all started services in reverse
|
||||||
|
for i := len(startedServicesOrder) - 1; i >= 0; i-- {
|
||||||
|
// Get service by name
|
||||||
|
service := GetServiceByName(startedServicesOrder[i])
|
||||||
|
if service == nil {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
// Stop service
|
||||||
if err := service.StopService(); err != nil {
|
if err := service.StopService(); err != nil {
|
||||||
logger.Printf("Error stopping service %s! Error: %s\n", service.Name, err)
|
logger.Printf("Error: could not stop service (%s): %s", service.Name, err)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
logger.Println("All ESVM services have stopped!")
|
logger.Println("All ESVM services have stopped!")
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
+85
-72
@@ -1,14 +1,17 @@
|
|||||||
package main
|
package main
|
||||||
|
|
||||||
import (
|
import (
|
||||||
"io"
|
"fmt"
|
||||||
"os"
|
"os"
|
||||||
"os/exec"
|
"os/exec"
|
||||||
"path"
|
"path"
|
||||||
|
"slices"
|
||||||
"strconv"
|
"strconv"
|
||||||
"strings"
|
"strings"
|
||||||
"syscall"
|
"syscall"
|
||||||
"time"
|
"time"
|
||||||
|
|
||||||
|
"gopkg.in/yaml.v3"
|
||||||
)
|
)
|
||||||
|
|
||||||
type EnitServiceState uint8
|
type EnitServiceState uint8
|
||||||
@@ -47,6 +50,10 @@ type EnitService struct {
|
|||||||
stopChannel chan bool
|
stopChannel chan bool
|
||||||
}
|
}
|
||||||
|
|
||||||
|
var Services = make([]EnitService, 0)
|
||||||
|
var EnabledServices = make(map[int][]string)
|
||||||
|
var startedServicesOrder = make([]string, 0)
|
||||||
|
|
||||||
func (service *EnitService) GetUnmetDependencies() (missingDependencies []string) {
|
func (service *EnitService) GetUnmetDependencies() (missingDependencies []string) {
|
||||||
for _, dependency := range service.Dependencies {
|
for _, dependency := range service.Dependencies {
|
||||||
if strings.HasPrefix(dependency, "/") {
|
if strings.HasPrefix(dependency, "/") {
|
||||||
@@ -211,7 +218,6 @@ func (service *EnitService) StartService() error {
|
|||||||
select {
|
select {
|
||||||
case <-service.stopChannel:
|
case <-service.stopChannel:
|
||||||
service.restartCount = 0
|
service.restartCount = 0
|
||||||
_ = service.setCurrentState(EnitServiceStopped)
|
|
||||||
default:
|
default:
|
||||||
if service.Type == "simple" && err == nil {
|
if service.Type == "simple" && err == nil {
|
||||||
service.restartCount = 0
|
service.restartCount = 0
|
||||||
@@ -239,6 +245,11 @@ func (service *EnitService) StartService() error {
|
|||||||
}
|
}
|
||||||
}()
|
}()
|
||||||
|
|
||||||
|
// Add to started services order slice
|
||||||
|
if !slices.Contains(startedServicesOrder, service.Name) {
|
||||||
|
startedServicesOrder = append(startedServicesOrder, service.Name)
|
||||||
|
}
|
||||||
|
|
||||||
logger.Printf("Service (%s) has started!\n", service.Name)
|
logger.Printf("Service (%s) has started!\n", service.Name)
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
@@ -249,45 +260,44 @@ func (service *EnitService) StopService() error {
|
|||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
logger.Printf("Stopping service (%s)...\n", service.Name)
|
logger.Printf("Stopping service (%s)...", service.Name)
|
||||||
|
|
||||||
|
newServiceStatus := EnitServiceCrashed
|
||||||
|
defer service.setCurrentState(newServiceStatus)
|
||||||
|
defer service.setProcessID(0)
|
||||||
|
|
||||||
if service.ExitMethod == "kill" {
|
if service.ExitMethod == "kill" {
|
||||||
process := service.GetProcess()
|
process := service.GetProcess()
|
||||||
if err := process.Signal(syscall.Signal(0)); err != nil {
|
if err := process.Signal(syscall.Signal(0)); err != nil {
|
||||||
logger.Printf("Service (%s) has stopped. (Process already dead)\n", service.Name)
|
newServiceStatus = EnitServiceStopped
|
||||||
|
logger.Printf("Service (%s) has stopped (Process already dead)", service.Name)
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
go func() { service.stopChannel <- true }()
|
go func() { service.stopChannel <- true }()
|
||||||
|
|
||||||
err := service.GetProcess().Signal(syscall.SIGTERM)
|
// Send SIGTERM signal to process
|
||||||
if err != nil {
|
if err := process.Signal(syscall.SIGTERM); err != nil {
|
||||||
return err
|
process.Signal(syscall.SIGKILL)
|
||||||
|
return fmt.Errorf("could not stop process gracefully")
|
||||||
}
|
}
|
||||||
|
|
||||||
exit := false
|
// Check if the process has stopped gracefully, otherwise send sigkill on timeout
|
||||||
for timeout := time.After(5 * time.Second); ; {
|
exited := make(chan bool)
|
||||||
if exit {
|
go func() {
|
||||||
break
|
for {
|
||||||
}
|
if err := process.Signal(syscall.Signal(0)); err != nil {
|
||||||
select {
|
|
||||||
case <-timeout:
|
|
||||||
logger.Println("Process took too long to finish. Forcefully killing process...")
|
|
||||||
err := service.GetProcess().Kill()
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
exit = true
|
|
||||||
default:
|
|
||||||
if process == nil {
|
|
||||||
exit = true
|
|
||||||
break
|
break
|
||||||
}
|
}
|
||||||
err = process.Signal(syscall.Signal(0))
|
|
||||||
if err != nil {
|
|
||||||
exit = true
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
exited <- true
|
||||||
|
}()
|
||||||
|
|
||||||
|
select {
|
||||||
|
case <-exited:
|
||||||
|
case <-time.After(5 * time.Second):
|
||||||
|
process.Signal(syscall.SIGKILL)
|
||||||
|
return fmt.Errorf("could not stop process gracefully")
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
cmd := exec.Command("/bin/sh", "-c", service.StopCmd)
|
cmd := exec.Command("/bin/sh", "-c", service.StopCmd)
|
||||||
@@ -296,16 +306,7 @@ func (service *EnitService) StopService() error {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
err := service.setCurrentState(EnitServiceStopped)
|
newServiceStatus = EnitServiceStopped
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
err = service.setProcessID(0)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
logger.Printf("Service (%s) has stopped!\n", service.Name)
|
logger.Printf("Service (%s) has stopped!\n", service.Name)
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
@@ -325,61 +326,73 @@ func (service *EnitService) RestartService() error {
|
|||||||
|
|
||||||
// Functions will be rewritten at some point to allow enabling unloaded services
|
// Functions will be rewritten at some point to allow enabling unloaded services
|
||||||
|
|
||||||
func (service *EnitService) isEnabled() bool {
|
func (service *EnitService) isEnabled() (bool, int) {
|
||||||
contents, err := os.ReadFile(path.Join(serviceConfigDir, "enabled_services"))
|
for stage, services := range EnabledServices {
|
||||||
if err != nil {
|
if slices.Contains(services, service.Name) {
|
||||||
return false
|
return true, stage
|
||||||
}
|
|
||||||
|
|
||||||
for _, line := range strings.Split(string(contents), "\n") {
|
|
||||||
line = strings.TrimSpace(line)
|
|
||||||
if line == "" {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
|
|
||||||
if line == service.Name {
|
|
||||||
return true
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return false
|
return false, 0
|
||||||
}
|
}
|
||||||
|
|
||||||
func (service *EnitService) SetEnabled(isEnabled bool) error {
|
func (service *EnitService) SetEnabled(stage int) error {
|
||||||
|
// Get current service enabled status
|
||||||
|
_, s := service.isEnabled()
|
||||||
|
|
||||||
// Return if service is already in correct state
|
// Return if service is already in correct state
|
||||||
if service.isEnabled() == isEnabled {
|
if s == stage {
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// Create or open enabled_services file
|
// Remove service from current stage
|
||||||
file, err := os.OpenFile(path.Join(serviceConfigDir, "enabled_services"), os.O_CREATE|os.O_RDWR, 0644)
|
if s != 0 {
|
||||||
|
EnabledServices[s] = slices.DeleteFunc(EnabledServices[s], func(name string) bool {
|
||||||
|
return name == service.Name
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add service to stage
|
||||||
|
EnabledServices[stage] = append(EnabledServices[stage], service.Name)
|
||||||
|
|
||||||
|
// Save enabled services to file
|
||||||
|
data, err := yaml.Marshal(EnabledServices)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return err
|
||||||
}
|
}
|
||||||
defer file.Close()
|
err = os.WriteFile(path.Join(serviceConfigDir, "enabled_services"), data, 0644)
|
||||||
|
|
||||||
// Get enabled_services file contents
|
|
||||||
contents, err := io.ReadAll(file)
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return err
|
||||||
}
|
}
|
||||||
|
|
||||||
// Modify contents
|
return nil
|
||||||
strContents := string(contents)
|
}
|
||||||
if isEnabled {
|
|
||||||
strContents += service.Name + "\n"
|
func ReadEnabledServices() error {
|
||||||
} else {
|
data, err := os.ReadFile(path.Join(serviceConfigDir, "enabled_services"))
|
||||||
strContents = strings.ReplaceAll(strContents, service.Name+"\n", "")
|
if err != nil {
|
||||||
|
return err
|
||||||
}
|
}
|
||||||
|
|
||||||
// Write new contents to file
|
err = yaml.Unmarshal(data, &EnabledServices)
|
||||||
file.Truncate(0)
|
|
||||||
file.Seek(0, 0)
|
|
||||||
_, err = file.WriteString(strContents)
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
// Assume old plain text format
|
||||||
|
for _, service := range strings.Split(strings.TrimSpace(string(data)), "\n") {
|
||||||
|
EnabledServices[2] = append(EnabledServices[2], service)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Update enabled_services file
|
||||||
|
data, err := yaml.Marshal(EnabledServices)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
err = os.WriteFile(path.Join(serviceConfigDir, "enabled_services"), data, 0644)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
file.Sync()
|
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|||||||
+32
-41
@@ -20,8 +20,7 @@ func initSocket() (socket net.Listener, err error) {
|
|||||||
commandHandlers["start"] = handleStartServiceCommand
|
commandHandlers["start"] = handleStartServiceCommand
|
||||||
commandHandlers["stop"] = handleStopServiceCommand
|
commandHandlers["stop"] = handleStopServiceCommand
|
||||||
commandHandlers["restart"] = handleRestartServiceCommand
|
commandHandlers["restart"] = handleRestartServiceCommand
|
||||||
commandHandlers["enable"] = handleEnableServiceCommand
|
commandHandlers["set_enabled"] = handleSetEnabledServiceCommand
|
||||||
commandHandlers["disable"] = handleDisableServiceCommand
|
|
||||||
commandHandlers["status"] = handleStatusServiceCommand
|
commandHandlers["status"] = handleStatusServiceCommand
|
||||||
commandHandlers["list"] = handleListServicesCommand
|
commandHandlers["list"] = handleListServicesCommand
|
||||||
|
|
||||||
@@ -147,7 +146,7 @@ func handleRestartServiceCommand(conn net.Conn, jsonData map[string]any) {
|
|||||||
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) has restarted sucessfully", serviceName.(string))))
|
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) has restarted sucessfully", serviceName.(string))))
|
||||||
}
|
}
|
||||||
|
|
||||||
func handleEnableServiceCommand(conn net.Conn, jsonData map[string]any) {
|
func handleSetEnabledServiceCommand(conn net.Conn, jsonData map[string]any) {
|
||||||
// Get service name from json data
|
// Get service name from json data
|
||||||
serviceName, ok := jsonData["service"]
|
serviceName, ok := jsonData["service"]
|
||||||
if !ok {
|
if !ok {
|
||||||
@@ -155,6 +154,18 @@ func handleEnableServiceCommand(conn net.Conn, jsonData map[string]any) {
|
|||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Get service stage from json json data
|
||||||
|
_serviceStage, ok := jsonData["stage"]
|
||||||
|
if !ok {
|
||||||
|
conn.Write(wrapErrorInJson(fmt.Errorf("'stage' field missing")))
|
||||||
|
return
|
||||||
|
}
|
||||||
|
serviceStage, ok := _serviceStage.(float64)
|
||||||
|
if !ok {
|
||||||
|
conn.Write(wrapErrorInJson(fmt.Errorf("'stage' field is not a number")))
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
// Ensure service exists
|
// Ensure service exists
|
||||||
service := GetServiceByName(serviceName.(string))
|
service := GetServiceByName(serviceName.(string))
|
||||||
if service == nil {
|
if service == nil {
|
||||||
@@ -162,53 +173,33 @@ func handleEnableServiceCommand(conn net.Conn, jsonData map[string]any) {
|
|||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
// Check if service is already enabled
|
// Get current service enabled status
|
||||||
if service.isEnabled() {
|
_, s := service.isEnabled()
|
||||||
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) is already enabled", serviceName.(string))))
|
|
||||||
|
// Return if service is already in correct state
|
||||||
|
if s == int(serviceStage) {
|
||||||
|
if serviceStage == 0 {
|
||||||
|
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) is already disabled", serviceName.(string))))
|
||||||
|
} else {
|
||||||
|
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) is already enabled", serviceName.(string))))
|
||||||
|
}
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
// Enable service
|
// Enable service
|
||||||
err := service.SetEnabled(true)
|
err := service.SetEnabled(int(serviceStage))
|
||||||
if err != nil {
|
if err != nil {
|
||||||
conn.Write(wrapErrorInJson(fmt.Errorf("Could not enable service! Error: %s", err)))
|
if serviceStage == 0 {
|
||||||
|
conn.Write(wrapErrorInJson(fmt.Errorf("Could not disable service! Error: %s", err)))
|
||||||
|
} else {
|
||||||
|
conn.Write(wrapErrorInJson(fmt.Errorf("Could not enable service! Error: %s", err)))
|
||||||
|
}
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) was enabled sucessfully", serviceName.(string))))
|
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) was enabled sucessfully", serviceName.(string))))
|
||||||
}
|
}
|
||||||
|
|
||||||
func handleDisableServiceCommand(conn net.Conn, jsonData map[string]any) {
|
|
||||||
// Get service name from json data
|
|
||||||
serviceName, ok := jsonData["service"]
|
|
||||||
if !ok {
|
|
||||||
conn.Write(wrapErrorInJson(fmt.Errorf("'service' field missing")))
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
// Ensure service exists
|
|
||||||
service := GetServiceByName(serviceName.(string))
|
|
||||||
if service == nil {
|
|
||||||
conn.Write(wrapErrorInJson(fmt.Errorf("Service (%s) not found", serviceName.(string))))
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
// Check if service is already disabled
|
|
||||||
if !service.isEnabled() {
|
|
||||||
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) is already disabled", serviceName.(string))))
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
// Disable service
|
|
||||||
err := service.SetEnabled(false)
|
|
||||||
if err != nil {
|
|
||||||
conn.Write(wrapErrorInJson(fmt.Errorf("Could not disable service! Error: %s", err)))
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) was disabled sucessfully", serviceName.(string))))
|
|
||||||
}
|
|
||||||
|
|
||||||
func handleStatusServiceCommand(conn net.Conn, jsonData map[string]any) {
|
func handleStatusServiceCommand(conn net.Conn, jsonData map[string]any) {
|
||||||
// Get service name from json data
|
// Get service name from json data
|
||||||
serviceName, ok := jsonData["service"]
|
serviceName, ok := jsonData["service"]
|
||||||
@@ -227,7 +218,7 @@ func handleStatusServiceCommand(conn net.Conn, jsonData map[string]any) {
|
|||||||
statusMap := make(map[string]any)
|
statusMap := make(map[string]any)
|
||||||
statusMap["name"] = service.Name
|
statusMap["name"] = service.Name
|
||||||
statusMap["state"] = EnitServiceStateNames[service.GetCurrentState()]
|
statusMap["state"] = EnitServiceStateNames[service.GetCurrentState()]
|
||||||
statusMap["is_enabled"] = service.isEnabled()
|
statusMap["is_enabled"], statusMap["stage"] = service.isEnabled()
|
||||||
|
|
||||||
// Encode map to json string
|
// Encode map to json string
|
||||||
newJsonData, err := json.Marshal(statusMap)
|
newJsonData, err := json.Marshal(statusMap)
|
||||||
@@ -248,7 +239,7 @@ func handleListServicesCommand(conn net.Conn, _ map[string]any) {
|
|||||||
statusMap := make(map[string]any)
|
statusMap := make(map[string]any)
|
||||||
statusMap["name"] = service.Name
|
statusMap["name"] = service.Name
|
||||||
statusMap["state"] = EnitServiceStateNames[service.GetCurrentState()]
|
statusMap["state"] = EnitServiceStateNames[service.GetCurrentState()]
|
||||||
statusMap["is_enabled"] = service.isEnabled()
|
statusMap["is_enabled"], statusMap["stage"] = service.isEnabled()
|
||||||
servicesMap["services"] = append(servicesMap["services"].([]map[string]any), statusMap)
|
servicesMap["services"] = append(servicesMap["services"].([]map[string]any), statusMap)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user