mirror of
https://github.com/EnumeratedDev/enit.git
synced 2026-09-16 02:26:11 +00:00
ectl: reorganize code
This commit is contained in:
@@ -1,3 +1,5 @@
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module ectl
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go 1.23.4
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require github.com/spf13/pflag v1.0.10
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@@ -0,0 +1,2 @@
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github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
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github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
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+21
-399
@@ -1,18 +1,10 @@
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package main
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"log"
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"net"
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"os"
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"path"
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"strconv"
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"syscall"
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"time"
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)
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// Build-time variables
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@@ -20,413 +12,43 @@ var version = "dev"
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var sysconfdir = "/etc/"
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var runstatedir = "/var/run/"
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var conn net.Conn
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func main() {
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// Set and parse flags
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printVersion := flag.Bool("version", false, "print version and exit")
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printJson := flag.Bool("json", false, "print output in json format")
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flag.Parse()
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if flag.NArg() < 1 {
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// Show usage if no arguments specified
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if len(os.Args) == 1 {
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printUsage()
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os.Exit(1)
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return
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}
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if *printVersion || flag.Args()[0] == "version" {
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subcommand := os.Args[1]
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switch subcommand {
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case "v", "version":
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fmt.Printf("Enit Control version %s\n", version)
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return
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} else if flag.Args()[0] == "help" {
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printUsage()
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return
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} else if flag.Args()[0] == "shutdown" || flag.Args()[0] == "poweroff" || flag.Args()[0] == "halt" {
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case "shutdown", "poweroff", "halt":
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err := syscall.Kill(1, syscall.SIGUSR1)
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if err != nil {
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log.Fatalf("Could not send shutdown signal! Error: %s\n", err)
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}
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return
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} else if flag.Args()[0] == "reboot" || flag.Args()[0] == "restart" || flag.Args()[0] == "reset" {
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case "reboot", "restart", "reset":
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err := syscall.Kill(1, syscall.SIGTERM)
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if err != nil {
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log.Fatalf("Could not send shutdown signal! Error: %s\n", err)
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log.Fatalf("Could not send reboot signal! Error: %s\n", err)
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}
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return
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} else if flag.Args()[0] == "service" || flag.Args()[0] == "sv" {
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// Dial esvm socket
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dialSocket()
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defer conn.Close()
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if len(flag.Args()) <= 1 {
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fmt.Println("Usage: ectl service <reload/start/stop/enable/disable/status/list> [service]")
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return
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}
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if flag.Arg(1) == "reload" {
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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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}
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serviceCommandJson := ServiceCommandJsonStruct{
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Command: flag.Arg(1),
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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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// Read data from the connection.
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data, err := readAllConn(conn)
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if err != nil {
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log.Fatalf("Could not read data from socket! Error: %s\n", err)
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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(data))
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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(data, &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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} 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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if len(flag.Args()) <= 2 {
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fmt.Printf("Usage: ectl service %s <service>\n", flag.Args()[1])
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return
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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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}
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serviceCommandJson := ServiceCommandJsonStruct{
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Command: flag.Arg(1),
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Service: flag.Arg(2),
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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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// Read data from the connection.
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data, err := readAllConn(conn)
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if err != nil {
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log.Fatalf("Could not read data from socket! Error: %s\n", err)
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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(data))
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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(data, &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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} 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 := 3
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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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// Read data from the connection.
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data, err := readAllConn(conn)
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if err != nil {
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log.Fatalf("Could not read data from socket! Error: %s\n", err)
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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(data))
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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(data, &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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} else if flag.Args()[1] == "status" {
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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>\n", flag.Args()[1])
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return
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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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}
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serviceCommandJson := ServiceCommandJsonStruct{
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Command: flag.Arg(1),
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Service: flag.Arg(2),
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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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// Read data from the connection.
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data, err := readAllConn(conn)
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if err != nil {
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log.Fatalf("Could not read data from socket! Error: %s\n", err)
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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(data))
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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(data, &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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}
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serviceState := returnedJsonData["state"].(string)
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serviceDescription := returnedJsonData["description"].(string)
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serviceEnabled := returnedJsonData["is_enabled"].(bool)
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serviceStage := int(returnedJsonData["stage"].(float64))
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processID := int(returnedJsonData["process_id"].(float64))
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fmt.Printf("Name: %s\n", flag.Arg(2))
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fmt.Printf("Description: %s\n", serviceDescription)
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fmt.Printf("State: %s\n", serviceState)
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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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if serviceState == "running" {
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fmt.Printf("Process ID: %d\n", processID)
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}
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return
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} else if flag.Arg(1) == "list" {
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type ServiceCommandJsonStruct struct {
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Command string `json:"command"`
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}
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serviceCommandJson := ServiceCommandJsonStruct{
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Command: flag.Arg(1),
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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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// Read data from the connection.
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data, err := readAllConn(conn)
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if err != nil {
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log.Fatalf("Could not read data from socket! Error: %s\n", err)
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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(data))
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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(data, &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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}
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for _, serviceMap := range returnedJsonData["services"].([]any) {
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serviceName := serviceMap.(map[string]any)["name"].(string)
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serviceDescription := serviceMap.(map[string]any)["description"].(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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serviceStage := int(serviceMap.(map[string]any)["stage"].(float64))
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processID := int(serviceMap.(map[string]any)["process_id"].(float64))
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fmt.Printf("Name: %s\n", serviceName)
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fmt.Printf("Description: %s\n", serviceDescription)
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fmt.Printf("State: %s\n", serviceState)
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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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if serviceState == "running" {
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fmt.Printf("Process ID: %d\n", processID)
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}
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fmt.Println()
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}
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return
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}
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}
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case "sv", "service":
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handleServiceSubcommand()
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default:
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printUsage()
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os.Exit(1)
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}
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}
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func printUsage() {
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fmt.Println("Available sucommands:")
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fmt.Println("ectl version | Show enit version")
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fmt.Println("ectl shutdown/poweroff/halt | Shutdown the system")
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fmt.Println("ectl reboot/restart | Reboot the system")
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fmt.Println("ectl help | Show command explanations")
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fmt.Println("ectl sv/service start <service> | Start a service")
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fmt.Println("ectl sv/service stop <service> | Stop a service")
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fmt.Println("ectl sv/service enable <service> | Enable a service at startup")
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fmt.Println("ectl sv/service disable <service> | Disable a service at startup")
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fmt.Println("ectl sv/service status <service> | Show service status")
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fmt.Println("ectl sv/service list | Show all enabled services")
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}
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func dialSocket() {
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if _, err := os.Stat(path.Join(runstatedir, "esvm/esvm.sock")); err != nil {
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log.Fatalf("Could not find esvm.sock! Error: %s\n", err)
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}
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var err error
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conn, err = net.Dial("unix", path.Join(runstatedir, "esvm/esvm.sock"))
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if err != nil {
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log.Fatalf("Failed to connect to esvm.sock! Error: %s\n", err)
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}
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if err := conn.SetDeadline(time.Now().Add(30 * time.Second)); err != nil {
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log.Fatalf("Failed to set write deadline! Error: %s\n", err)
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}
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}
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func readAllConn(conn net.Conn) ([]byte, error) {
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var buf bytes.Buffer
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for {
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dataChunk := make([]byte, 1024)
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n, err := conn.Read(dataChunk)
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if err != nil && err != io.EOF {
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return nil, err
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}
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buf.Write(dataChunk[:n])
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if n < 1024 {
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break
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}
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}
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return buf.Bytes(), nil
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fmt.Println("Usage: ectl <subcommand> [options]")
|
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fmt.Println("Description: Shutdown, reboot and manage system services")
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fmt.Println("Sucommands:")
|
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fmt.Println(" v, version Show enit version")
|
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fmt.Println(" shutdown, poweroff, halt Shutdown the system")
|
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fmt.Println(" reboot, restart, reset Reboot the system")
|
||||
fmt.Println(" sv, service Manage system services")
|
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}
|
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|
||||
@@ -0,0 +1,481 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"net"
|
||||
"os"
|
||||
"path"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
flag "github.com/spf13/pflag"
|
||||
)
|
||||
|
||||
var currentFlagSet *flag.FlagSet
|
||||
var conn net.Conn
|
||||
|
||||
func handleServiceSubcommand() {
|
||||
if len(os.Args) == 2 {
|
||||
printSvUsage()
|
||||
return
|
||||
}
|
||||
|
||||
subcommand := os.Args[2]
|
||||
|
||||
switch subcommand {
|
||||
case "start", "stop", "restart":
|
||||
// Setup flags and help
|
||||
currentFlagSet = flag.NewFlagSet(subcommand, flag.ExitOnError)
|
||||
currentFlagSet.BoolP("json", "j", false, "Return output in json format")
|
||||
setupFlagsAndHelp(currentFlagSet, fmt.Sprintf("ectl %s %s <options> <service>", os.Args[1], subcommand), fmt.Sprintf("%s the specified service", strings.Title(subcommand)), os.Args[3:])
|
||||
|
||||
// Dial esvm socket
|
||||
dialSocket()
|
||||
defer conn.Close()
|
||||
|
||||
startStopRestartService(subcommand)
|
||||
case "enable", "disable":
|
||||
// Setup flags and help
|
||||
currentFlagSet = flag.NewFlagSet(subcommand, flag.ExitOnError)
|
||||
currentFlagSet.BoolP("json", "j", false, "Return output in json format")
|
||||
setupFlagsAndHelp(currentFlagSet, fmt.Sprintf("ectl %s %s <options> <service>", os.Args[1], subcommand), fmt.Sprintf("%s the specified service", strings.Title(subcommand)), os.Args[3:])
|
||||
|
||||
// Dial esvm socket
|
||||
dialSocket()
|
||||
defer conn.Close()
|
||||
|
||||
enableDisableService(subcommand)
|
||||
case "status":
|
||||
// Setup flags and help
|
||||
currentFlagSet = flag.NewFlagSet("status", flag.ExitOnError)
|
||||
currentFlagSet.BoolP("json", "j", false, "Return output in json format")
|
||||
setupFlagsAndHelp(currentFlagSet, fmt.Sprintf("ectl %s status <options> <service>", os.Args[1]), "Show service status", os.Args[3:])
|
||||
|
||||
// Dial esvm socket
|
||||
dialSocket()
|
||||
defer conn.Close()
|
||||
|
||||
showServiceStatus()
|
||||
case "list":
|
||||
// Setup flags and help
|
||||
currentFlagSet = flag.NewFlagSet("list", flag.ExitOnError)
|
||||
currentFlagSet.BoolP("json", "j", false, "Return output in json format")
|
||||
setupFlagsAndHelp(currentFlagSet, fmt.Sprintf("ectl %s reload <options>", os.Args[1]), "List all services", os.Args[3:])
|
||||
|
||||
// Dial esvm socket
|
||||
dialSocket()
|
||||
defer conn.Close()
|
||||
|
||||
listAllServices()
|
||||
case "reload":
|
||||
// Setup flags and help
|
||||
currentFlagSet = flag.NewFlagSet("reload", flag.ExitOnError)
|
||||
currentFlagSet.BoolP("json", "j", false, "Return output in json format")
|
||||
setupFlagsAndHelp(currentFlagSet, fmt.Sprintf("ectl %s reload <options>", os.Args[1]), "Reload all services", os.Args[3:])
|
||||
|
||||
// Dial esvm socket
|
||||
dialSocket()
|
||||
defer conn.Close()
|
||||
|
||||
reloadAllServices()
|
||||
default:
|
||||
printSvUsage()
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func startStopRestartService(subcommand string) {
|
||||
// Get flags
|
||||
printJson, _ := currentFlagSet.GetBool("json")
|
||||
|
||||
// Ensure service name argument has been set
|
||||
if currentFlagSet.NArg() == 0 {
|
||||
fmt.Printf("Usage: ectl service %s <service>\n", subcommand)
|
||||
return
|
||||
}
|
||||
|
||||
type ServiceCommandJsonStruct struct {
|
||||
Command string `json:"command"`
|
||||
Service string `json:"service"`
|
||||
}
|
||||
serviceCommandJson := ServiceCommandJsonStruct{
|
||||
Command: subcommand,
|
||||
Service: currentFlagSet.Arg(0),
|
||||
}
|
||||
|
||||
// Encode struct to json string
|
||||
jsonData, err := json.Marshal(serviceCommandJson)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not encode JSON data! Error: %s\n", err)
|
||||
}
|
||||
|
||||
_, err = conn.Write(jsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
|
||||
}
|
||||
|
||||
// Read data from the connection.
|
||||
data, err := readAllConn(conn)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not read data from socket! Error: %s\n", err)
|
||||
return
|
||||
}
|
||||
|
||||
// Print json data if flag is set
|
||||
if printJson {
|
||||
fmt.Println(string(data))
|
||||
return
|
||||
}
|
||||
|
||||
// Decoode JSON data
|
||||
var returnedJsonData map[string]any
|
||||
err = json.Unmarshal(data, &returnedJsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not decode JSON data from connection!")
|
||||
}
|
||||
|
||||
if err, ok := returnedJsonData["error"]; ok {
|
||||
log.Fatal(err)
|
||||
} else if msg, ok := returnedJsonData["success"]; ok {
|
||||
fmt.Println(msg)
|
||||
} else {
|
||||
log.Fatal("Connection returned empty string!")
|
||||
}
|
||||
}
|
||||
|
||||
func enableDisableService(subcommand string) {
|
||||
// Get flags
|
||||
printJson, _ := currentFlagSet.GetBool("json")
|
||||
|
||||
// Ensure service name argument has been set
|
||||
if currentFlagSet.NArg() == 0 {
|
||||
fmt.Printf("Usage: ectl service %s <service> [stage]\n", subcommand)
|
||||
return
|
||||
}
|
||||
|
||||
// Get service stage
|
||||
stage := 3
|
||||
if len(currentFlagSet.Args()) > 1 {
|
||||
flagStr := currentFlagSet.Arg(1)
|
||||
_stage, err := strconv.ParseInt(flagStr, 10, 32)
|
||||
if err != nil {
|
||||
log.Fatalf("Error: could not parse stage number: %s", err)
|
||||
}
|
||||
stage = int(_stage)
|
||||
} else if subcommand == "disable" {
|
||||
stage = 0
|
||||
}
|
||||
|
||||
type ServiceCommandJsonStruct struct {
|
||||
Command string `json:"command"`
|
||||
Service string `json:"service"`
|
||||
Stage int `json:"stage"`
|
||||
}
|
||||
serviceCommandJson := ServiceCommandJsonStruct{
|
||||
Command: "set_enabled",
|
||||
Service: currentFlagSet.Arg(0),
|
||||
Stage: stage,
|
||||
}
|
||||
|
||||
// Encode struct to json string
|
||||
jsonData, err := json.Marshal(serviceCommandJson)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not encode JSON data! Error: %s\n", err)
|
||||
}
|
||||
|
||||
_, err = conn.Write(jsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
|
||||
}
|
||||
|
||||
// Read data from the connection.
|
||||
data, err := readAllConn(conn)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not read data from socket! Error: %s\n", err)
|
||||
return
|
||||
}
|
||||
|
||||
// Print json data if flag is set
|
||||
if printJson {
|
||||
fmt.Println(string(data))
|
||||
return
|
||||
}
|
||||
|
||||
// Decoode JSON data
|
||||
var returnedJsonData map[string]any
|
||||
err = json.Unmarshal(data, &returnedJsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not decode JSON data from connection!")
|
||||
}
|
||||
|
||||
if err, ok := returnedJsonData["error"]; ok {
|
||||
log.Fatal(err)
|
||||
} else if msg, ok := returnedJsonData["success"]; ok {
|
||||
fmt.Println(msg)
|
||||
} else {
|
||||
log.Fatal("Connection returned empty string!")
|
||||
}
|
||||
}
|
||||
|
||||
func showServiceStatus() {
|
||||
// Get flags
|
||||
printJson, _ := currentFlagSet.GetBool("json")
|
||||
|
||||
// Ensure service name argument has been set
|
||||
if len(currentFlagSet.Args()) == 0 {
|
||||
fmt.Println("Usage: ectl service status <service>")
|
||||
return
|
||||
}
|
||||
|
||||
type ServiceCommandJsonStruct struct {
|
||||
Command string `json:"command"`
|
||||
Service string `json:"service"`
|
||||
}
|
||||
serviceCommandJson := ServiceCommandJsonStruct{
|
||||
Command: "status",
|
||||
Service: currentFlagSet.Arg(0),
|
||||
}
|
||||
|
||||
// Encode struct to json string
|
||||
jsonData, err := json.Marshal(serviceCommandJson)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not encode JSON data! Error: %s\n", err)
|
||||
}
|
||||
|
||||
_, err = conn.Write(jsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
|
||||
}
|
||||
|
||||
// Read data from the connection.
|
||||
data, err := readAllConn(conn)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not read data from socket! Error: %s\n", err)
|
||||
return
|
||||
}
|
||||
|
||||
// Print json data if flag is set
|
||||
if printJson {
|
||||
fmt.Println(string(data))
|
||||
return
|
||||
}
|
||||
|
||||
// Decoode JSON data
|
||||
var returnedJsonData map[string]any
|
||||
err = json.Unmarshal(data, &returnedJsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not decode JSON data from connection!")
|
||||
}
|
||||
|
||||
if err, ok := returnedJsonData["error"]; ok {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
serviceState := returnedJsonData["state"].(string)
|
||||
serviceDescription := returnedJsonData["description"].(string)
|
||||
serviceEnabled := returnedJsonData["is_enabled"].(bool)
|
||||
serviceStage := int(returnedJsonData["stage"].(float64))
|
||||
processID := int(returnedJsonData["process_id"].(float64))
|
||||
|
||||
fmt.Printf("Name: %s\n", currentFlagSet.Arg(0))
|
||||
fmt.Printf("Description: %s\n", serviceDescription)
|
||||
fmt.Printf("State: %s\n", serviceState)
|
||||
if serviceEnabled {
|
||||
fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
|
||||
} else {
|
||||
fmt.Printf("Enabled: %t\n", serviceEnabled)
|
||||
}
|
||||
if serviceState == "running" {
|
||||
fmt.Printf("Process ID: %d\n", processID)
|
||||
}
|
||||
}
|
||||
|
||||
func listAllServices() {
|
||||
// Get flags
|
||||
printJson, _ := currentFlagSet.GetBool("json")
|
||||
|
||||
type ServiceCommandJsonStruct struct {
|
||||
Command string `json:"command"`
|
||||
}
|
||||
serviceCommandJson := ServiceCommandJsonStruct{
|
||||
Command: "list",
|
||||
}
|
||||
|
||||
// Encode struct to json string
|
||||
jsonData, err := json.Marshal(serviceCommandJson)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not encode JSON data! Error: %s\n", err)
|
||||
}
|
||||
|
||||
_, err = conn.Write(jsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
|
||||
}
|
||||
|
||||
// Read data from the connection.
|
||||
data, err := readAllConn(conn)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not read data from socket! Error: %s\n", err)
|
||||
return
|
||||
}
|
||||
|
||||
// Print json data if flag is set
|
||||
if printJson {
|
||||
fmt.Println(string(data))
|
||||
return
|
||||
}
|
||||
|
||||
// Decoode JSON data
|
||||
var returnedJsonData map[string]any
|
||||
err = json.Unmarshal(data, &returnedJsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not decode JSON data from connection!")
|
||||
}
|
||||
|
||||
if err, ok := returnedJsonData["error"]; ok {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
for _, serviceMap := range returnedJsonData["services"].([]any) {
|
||||
serviceName := serviceMap.(map[string]any)["name"].(string)
|
||||
serviceDescription := serviceMap.(map[string]any)["description"].(string)
|
||||
serviceState := serviceMap.(map[string]any)["state"].(string)
|
||||
serviceEnabled := serviceMap.(map[string]any)["is_enabled"].(bool)
|
||||
serviceStage := int(serviceMap.(map[string]any)["stage"].(float64))
|
||||
processID := int(serviceMap.(map[string]any)["process_id"].(float64))
|
||||
|
||||
fmt.Printf("Name: %s\n", serviceName)
|
||||
fmt.Printf("Description: %s\n", serviceDescription)
|
||||
fmt.Printf("State: %s\n", serviceState)
|
||||
if serviceEnabled {
|
||||
fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
|
||||
} else {
|
||||
fmt.Printf("Enabled: %t\n", serviceEnabled)
|
||||
}
|
||||
if serviceState == "running" {
|
||||
fmt.Printf("Process ID: %d\n", processID)
|
||||
}
|
||||
fmt.Println()
|
||||
}
|
||||
}
|
||||
|
||||
func reloadAllServices() {
|
||||
// Get flags
|
||||
printJson, _ := currentFlagSet.GetBool("json")
|
||||
|
||||
type ServiceCommandJsonStruct struct {
|
||||
Command string `json:"command"`
|
||||
Service string `json:"service"`
|
||||
}
|
||||
serviceCommandJson := ServiceCommandJsonStruct{
|
||||
Command: "reload",
|
||||
}
|
||||
|
||||
// Encode struct to json string
|
||||
jsonData, err := json.Marshal(serviceCommandJson)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not encode JSON data! Error: %s\n", err)
|
||||
}
|
||||
|
||||
_, err = conn.Write(jsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not write JSON data to socket! Error: %s\n", err)
|
||||
}
|
||||
|
||||
// Read data from the connection.
|
||||
data, err := readAllConn(conn)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not read data from socket! Error: %s\n", err)
|
||||
return
|
||||
}
|
||||
|
||||
// Print json data if flag is set
|
||||
if printJson {
|
||||
fmt.Println(string(data))
|
||||
return
|
||||
}
|
||||
|
||||
// Decoode JSON data
|
||||
var returnedJsonData map[string]any
|
||||
err = json.Unmarshal(data, &returnedJsonData)
|
||||
if err != nil {
|
||||
log.Fatalf("Could not decode JSON data from connection!")
|
||||
}
|
||||
|
||||
if err, ok := returnedJsonData["error"]; ok {
|
||||
log.Fatal(err)
|
||||
} else if msg, ok := returnedJsonData["success"]; ok {
|
||||
fmt.Println(msg)
|
||||
} else {
|
||||
log.Fatal("Connection returned empty string!")
|
||||
}
|
||||
}
|
||||
|
||||
func printSvUsage() {
|
||||
fmt.Printf("Usage: ectl %s <subcommand> [options] [service]\n", os.Args[1])
|
||||
fmt.Println("Description: Manage system services")
|
||||
fmt.Println("Sucommands:")
|
||||
fmt.Println(" start Start service")
|
||||
fmt.Println(" stop Stop service")
|
||||
fmt.Println(" restart Restart service")
|
||||
fmt.Println(" enable Enable service")
|
||||
fmt.Println(" disable Disable service")
|
||||
fmt.Println(" status Show service status")
|
||||
fmt.Println(" list List services")
|
||||
fmt.Println(" reload Reload services")
|
||||
}
|
||||
|
||||
func setupFlagsAndHelp(flagset *flag.FlagSet, usage, desc string, args []string) {
|
||||
flagset.Usage = func() {
|
||||
fmt.Println("Usage: " + usage)
|
||||
fmt.Println("Description: " + desc)
|
||||
fmt.Println("Options:")
|
||||
if !flagset.HasFlags() {
|
||||
fmt.Println(" No flags defined")
|
||||
}
|
||||
flagset.PrintDefaults()
|
||||
}
|
||||
flagset.Parse(args)
|
||||
}
|
||||
|
||||
func dialSocket() {
|
||||
if _, err := os.Stat(path.Join(runstatedir, "esvm/esvm.sock")); err != nil {
|
||||
log.Fatalf("Could not find esvm.sock! Error: %s\n", err)
|
||||
}
|
||||
|
||||
var err error
|
||||
conn, err = net.Dial("unix", path.Join(runstatedir, "esvm/esvm.sock"))
|
||||
if err != nil {
|
||||
log.Fatalf("Failed to connect to esvm.sock! Error: %s\n", err)
|
||||
}
|
||||
|
||||
if err := conn.SetDeadline(time.Now().Add(30 * time.Second)); err != nil {
|
||||
log.Fatalf("Failed to set write deadline! Error: %s\n", err)
|
||||
}
|
||||
}
|
||||
|
||||
func readAllConn(conn net.Conn) ([]byte, error) {
|
||||
var buf bytes.Buffer
|
||||
|
||||
for {
|
||||
dataChunk := make([]byte, 1024)
|
||||
|
||||
n, err := conn.Read(dataChunk)
|
||||
if err != nil && err != io.EOF {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
buf.Write(dataChunk[:n])
|
||||
|
||||
if n < 1024 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return buf.Bytes(), nil
|
||||
}
|
||||
Reference in New Issue
Block a user