Add enabled service stages and redo esvm startup and shutdown

This commit is contained in:
2025-09-23 21:32:17 +03:00
parent 3c1d39831f
commit f470c0ec78
5 changed files with 286 additions and 199 deletions
+91 -4
View File
@@ -9,6 +9,7 @@ import (
"net" "net"
"os" "os"
"path" "path"
"strconv"
"syscall" "syscall"
"time" "time"
) )
@@ -58,7 +59,7 @@ func main() {
if len(flag.Args()) <= 1 { if len(flag.Args()) <= 1 {
fmt.Println("Usage: ectl service <start/stop/enable/disable/status/list> [service]") fmt.Println("Usage: ectl service <start/stop/enable/disable/status/list> [service]")
return return
} else if flag.Arg(1) == "start" || flag.Arg(1) == "stop" || flag.Arg(1) == "restart" || flag.Arg(1) == "enable" || flag.Arg(1) == "disable" { } else if flag.Arg(1) == "start" || flag.Arg(1) == "stop" || flag.Arg(1) == "restart" {
// Ensure service name argument has been set // Ensure service name argument has been set
if len(flag.Args()) <= 2 { if len(flag.Args()) <= 2 {
fmt.Printf("Usage: ectl service %s <service>\n", flag.Args()[1]) fmt.Printf("Usage: ectl service %s <service>\n", flag.Args()[1])
@@ -118,6 +119,82 @@ func main() {
log.Fatal("Connection returned empty string!") log.Fatal("Connection returned empty string!")
} }
return
} else if flag.Arg(1) == "enable" || flag.Arg(1) == "disable" {
// Ensure service name argument has been set
if len(flag.Args()) <= 2 {
fmt.Printf("Usage: ectl service %s <service> [stage]\n", flag.Args()[1])
return
}
// Get service stage
stage := 2
if len(flag.Args()) > 3 {
flagStr := flag.Arg(3)
_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 flag.Arg(1) == "disable" {
stage = 0
}
type ServiceCommandJsonStruct struct {
Command string `json:"command"`
Service string `json:"service"`
Stage int `json:"stage"`
}
serviceCommandJson := ServiceCommandJsonStruct{
Command: "set_enabled",
Service: flag.Arg(2),
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)
}
// Create a buffer for incoming data.
buf := make([]byte, 4096)
// Read data from the connection.
n, err := conn.Read(buf)
if err == io.EOF {
return
}
if err != nil {
return
}
// Print json data if flag is set
if *printJson {
fmt.Println(string(buf[:n]))
return
}
// Decoode JSON data
var returnedJsonData map[string]any
err = json.Unmarshal(buf[:n], &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!")
}
return return
} else if flag.Args()[1] == "status" { } else if flag.Args()[1] == "status" {
// Ensure service name argument has been set // Ensure service name argument has been set
@@ -177,10 +254,15 @@ func main() {
serviceState := returnedJsonData["state"].(string) serviceState := returnedJsonData["state"].(string)
serviceEnabled := returnedJsonData["is_enabled"].(bool) serviceEnabled := returnedJsonData["is_enabled"].(bool)
serviceStage := int(returnedJsonData["stage"].(float64))
fmt.Printf("Name: %s\n", flag.Arg(2)) fmt.Printf("Name: %s\n", flag.Arg(2))
fmt.Printf("State: %s\n", serviceState) fmt.Printf("State: %s\n", serviceState)
fmt.Printf("Enabled: %t\n", serviceEnabled) if serviceEnabled {
fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
} else {
fmt.Printf("Enabled: %t\n", serviceEnabled)
}
return return
} else if flag.Arg(1) == "list" { } else if flag.Arg(1) == "list" {
@@ -213,7 +295,7 @@ func main() {
if err != nil { if err != nil {
return return
} }
// Print json data if flag is set // Print json data if flag is set
if *printJson { if *printJson {
fmt.Println(string(buf[:n])) fmt.Println(string(buf[:n]))
@@ -235,10 +317,15 @@ func main() {
serviceName := serviceMap.(map[string]any)["name"].(string) serviceName := serviceMap.(map[string]any)["name"].(string)
serviceState := serviceMap.(map[string]any)["state"].(string) serviceState := serviceMap.(map[string]any)["state"].(string)
serviceEnabled := serviceMap.(map[string]any)["is_enabled"].(bool) serviceEnabled := serviceMap.(map[string]any)["is_enabled"].(bool)
serviceStage := serviceMap.(map[string]any)["stage"].(int)
fmt.Printf("Name: %s\n", serviceName) fmt.Printf("Name: %s\n", serviceName)
fmt.Printf("State: %s\n", serviceState) fmt.Printf("State: %s\n", serviceState)
fmt.Printf("Enabled: %t\n", serviceEnabled) if serviceEnabled {
fmt.Printf("Enabled: %t (Stage %d)\n", serviceEnabled, serviceStage)
} else {
fmt.Printf("Enabled: %t\n", serviceEnabled)
}
fmt.Println() fmt.Println()
} }
+25 -25
View File
@@ -149,40 +149,40 @@ func startServiceManager() {
func stopServiceManager() { func stopServiceManager() {
fmt.Println("Stopping service manager... ") fmt.Println("Stopping service manager... ")
err := syscall.Kill(serviceManagerPid, syscall.SIGTERM) process, _ := os.FindProcess(serviceManagerPid)
if err != nil {
// Send SIGTERM signal to service manager
if err := process.Signal(syscall.SIGTERM); err != nil {
log.Println("Could not stop service manager!") log.Println("Could not stop service manager!")
syscall.Kill(serviceManagerPid, syscall.SIGKILL)
return
} }
// Check if service manager has stopped gracefully, otherwise send sigkill on timeout // Check if service manager has stopped gracefully, otherwise send sigkill on timeout
exit := false exited := make(chan bool)
for timeout := time.After(60 * time.Second); ; { go func() {
if exit { for {
break if err := process.Signal(syscall.Signal(0)); err != nil {
}
select {
case <-timeout:
log.Println("Could not stop service manager!")
err := syscall.Kill(serviceManagerPid, syscall.SIGKILL)
if err != nil {
log.Println("Could not stop service manager!")
}
exit = true
default:
waitZombieProcesses()
p, err := os.FindProcess(serviceManagerPid)
if err != nil {
exit = true
break break
} }
err = p.Signal(syscall.Signal(0)) }
if err != nil { exited <- true
exit = true }()
}
for {
select {
case <-exited:
fmt.Println("Done.")
return
case <-time.After(60 * time.Second):
log.Println("Could not stop service manager!")
syscall.Kill(serviceManagerPid, syscall.SIGKILL)
return
default:
waitZombieProcesses()
} }
} }
fmt.Println("Done.")
} }
func setHostname() { func setHostname() {
+53 -57
View File
@@ -3,11 +3,14 @@ package main
import ( import (
"flag" "flag"
"fmt" "fmt"
"io"
"log" "log"
"maps"
"net" "net"
"os" "os"
"os/signal" "os/signal"
"path" "path"
"slices"
"strings" "strings"
"syscall" "syscall"
"time" "time"
@@ -21,8 +24,6 @@ var version = "dev"
var runtimeServiceDir string var runtimeServiceDir string
var serviceConfigDir string var serviceConfigDir string
var Services = make([]EnitService, 0)
var logger *log.Logger var logger *log.Logger
var socket net.Listener var socket net.Listener
@@ -44,7 +45,7 @@ func main() {
// Setup main logger // Setup main logger
err := setupESVMLogger() err := setupESVMLogger()
if err != nil { if err != nil {
log.Printf("Could not setup main ESVM logger! Error: %s\n", err) log.Printf("Error: could not setup main ESVM logger: %s\n", err)
logger = log.Default() logger = log.Default()
} }
@@ -94,8 +95,11 @@ func setupESVMLogger() error {
return err return err
} }
// Setup multiwriter
w := io.MultiWriter(loggerFile, os.Stderr)
// Initialize logger and print a header line // Initialize logger and print a header line
logger = log.New(loggerFile, "[ESVM] ", log.Lshortfile|log.LstdFlags) logger = log.New(w, "[ESVM] ", log.Lshortfile|log.LstdFlags)
_, err = loggerFile.WriteString("------ " + time.Now().Format(time.UnixDate) + " ------\n") _, err = loggerFile.WriteString("------ " + time.Now().Format(time.UnixDate) + " ------\n")
return nil return nil
@@ -105,17 +109,17 @@ func Init() {
logger.Println("Initializing ESVM...") logger.Println("Initializing ESVM...")
if _, err := os.Stat(runtimeServiceDir); err == nil { if _, err := os.Stat(runtimeServiceDir); err == nil {
logger.Fatalf("Could not initialize ESVM! Error: %s", fmt.Errorf("runtime service directory %s already exists", runtimeServiceDir)) logger.Fatalf("Error: could not initialize ESVM: %s", fmt.Errorf("runtime service directory %s already exists", runtimeServiceDir))
} }
err := os.MkdirAll(runtimeServiceDir, 0755) err := os.MkdirAll(runtimeServiceDir, 0755)
if err != nil { if err != nil {
logger.Fatalf("Could not initialize ESVM! Error: %s", err) logger.Fatalf("Error: could not initialize ESVM: %s", err)
} }
socket, err = initSocket() socket, err = initSocket()
if err != nil { if err != nil {
logger.Fatalf("Could not initialize ESVM! Error: %s", err) logger.Fatalf("Error: could not initialize ESVM: %s", err)
} }
if stat, err := os.Stat(serviceConfigDir); err != nil || !stat.IsDir() { if stat, err := os.Stat(serviceConfigDir); err != nil || !stat.IsDir() {
@@ -125,7 +129,7 @@ func Init() {
dirEntries, err := os.ReadDir(path.Join(serviceConfigDir, "services")) dirEntries, err := os.ReadDir(path.Join(serviceConfigDir, "services"))
if err != nil { if err != nil {
logger.Fatalf("Could not initialize ESVM! Error: %s", err) logger.Fatalf("Error: Could not initialize ESVM: %s", err)
} }
// Read and initialize service files // Read and initialize service files
@@ -134,7 +138,7 @@ func Init() {
logger.Printf("Initializing service (%s)...\n", entry.Name()) logger.Printf("Initializing service (%s)...\n", entry.Name())
bytes, err := os.ReadFile(path.Join(serviceConfigDir, "services", entry.Name())) bytes, err := os.ReadFile(path.Join(serviceConfigDir, "services", entry.Name()))
if err != nil { if err != nil {
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()))
continue continue
} }
@@ -154,27 +158,27 @@ func Init() {
LogOutput: true, LogOutput: true,
} }
if err := yaml.Unmarshal(bytes, &service); err != nil { if err := yaml.Unmarshal(bytes, &service); err != nil {
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()))
continue continue
} }
for _, sv := range Services { for _, sv := range Services {
if sv.Name == service.Name { if sv.Name == service.Name {
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)
} }
} }
switch service.Type { switch service.Type {
case "simple", "background": case "simple", "background":
default: default:
logger.Printf("Unknown service type: %s\n", service.Type) logger.Printf("Error: unknown service type (%s)", service.Type)
continue continue
} }
switch service.ExitMethod { switch service.ExitMethod {
case "stop_command", "kill": case "stop_command", "kill":
default: default:
logger.Printf("Unknown exit method: %s\n", service.ExitMethod) logger.Printf("Error: unknown exit method (%s)\n", service.ExitMethod)
continue continue
} }
@@ -187,12 +191,12 @@ func Init() {
service.ServiceRunPath = path.Join(runtimeServiceDir, service.Name) service.ServiceRunPath = path.Join(runtimeServiceDir, service.Name)
err = os.MkdirAll(path.Join(service.ServiceRunPath), 0755) err = os.MkdirAll(path.Join(service.ServiceRunPath), 0755)
if err != nil { if err != nil {
logger.Fatalf("Could not initialize ESVM! Error: %s", err) logger.Fatalf("Error: could not initialize ESVM: %s", err)
} }
err = service.setCurrentState(EnitServiceUnloaded) err = service.setCurrentState(EnitServiceUnloaded)
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
View File
@@ -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
View File
@@ -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)
} }