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ectl: move enable/disable service functionality back into ectl

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This commit is contained in:
EnumDev
2025-12-07 18:03:13 +02:00
parent 354fa510fd
commit 06f5e6564f
6 changed files with 146 additions and 165 deletions
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src/ectl/go.mod
+4 -1
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@@ -2,4 +2,7 @@ module ectl
go 1.23.4
require github.com/spf13/pflag v1.0.10
require (
github.com/spf13/pflag v1.0.10
gopkg.in/yaml.v3 v3.0.1
)
src/ectl/go.sum
+4
View File
@@ -1,2 +1,6 @@
github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
src/ectl/sv_subcommand.go
+47 -52
View File
@@ -45,10 +45,6 @@ func handleServiceSubcommand() {
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
@@ -158,67 +154,57 @@ func enableDisableService(subcommand string) {
return
}
service := currentFlagSet.Arg(0)
// Get service stage
stage := 3
if len(currentFlagSet.Args()) > 1 {
if subcommand == "disable" {
stage = 0
} else 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,
verb := "enabled"
if stage == 0 {
verb = "disabled"
}
// 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
// Return if service is already enabled
if _, enabledStage := isServiceEnabled(service); enabledStage == stage {
if printJson {
fmt.Println(string(data))
fmt.Printf("{\"success\":\"Service (%s) is already %s\"}\n", service, verb)
} else {
fmt.Printf("Service (%s) is already %s\n", service, verb)
}
return
}
// Decoode JSON data
var returnedJsonData map[string]any
err = json.Unmarshal(data, &returnedJsonData)
// Enable service
err := setServiceEnabled(service, stage)
if err != nil {
log.Fatalf("Could not decode JSON data from connection!")
verb := "enable"
if stage == 0 {
verb = "disable"
}
if err, ok := returnedJsonData["error"]; ok {
log.Fatal(err)
} else if msg, ok := returnedJsonData["success"]; ok {
fmt.Println(msg)
if printJson {
fmt.Printf("{\"error\":\"Could not %s service! Error: %s\"}\n", verb, err)
} else {
log.Fatal("Connection returned empty string!")
fmt.Printf("Could not %s service! Error: %s\n", verb, err)
}
os.Exit(1)
}
if printJson {
fmt.Printf("{\"success\":\"Service (%s) was %s sucessfully\"}\n", service, verb)
return
} else {
fmt.Printf("Service (%s) was %s sucessfully\n", service, verb)
}
}
@@ -259,12 +245,6 @@ func showServiceStatus() {
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)
@@ -273,13 +253,28 @@ func showServiceStatus() {
}
if err, ok := returnedJsonData["error"]; ok {
if printJson {
fmt.Println(string(data))
os.Exit(1)
} else {
log.Fatal(err)
}
}
// Set is_enabled and stage fields in json data
returnedJsonData["is_enabled"], returnedJsonData["stage"] = isServiceEnabled(currentFlagSet.Arg(0))
// Print json data if flag is set
if printJson {
data, _ = json.Marshal(returnedJsonData)
fmt.Println(string(data))
return
}
serviceState := returnedJsonData["state"].(string)
serviceDescription := returnedJsonData["description"].(string)
serviceEnabled := returnedJsonData["is_enabled"].(bool)
serviceStage := int(returnedJsonData["stage"].(float64))
serviceStage := returnedJsonData["stage"].(int)
processID := int(returnedJsonData["process_id"].(float64))
fmt.Printf("Name: %s\n", currentFlagSet.Arg(0))
src/ectl/utils.go
+88
View File
@@ -0,0 +1,88 @@
package main
import (
"os"
"path"
"slices"
"strings"
"gopkg.in/yaml.v3"
)
func isServiceEnabled(service string) (bool, int) {
for stage, services := range readEnabledServices() {
if slices.Contains(services, service) {
return true, stage
}
}
return false, 0
}
func setServiceEnabled(service string, stage int) error {
// Get current service enabled status
_, s := isServiceEnabled(service)
// Return if service is already in correct state
if s == stage {
return nil
}
EnabledServices := readEnabledServices()
// Remove service from current stage
EnabledServices[s] = slices.DeleteFunc(EnabledServices[s], func(name string) bool {
return name == service
})
if len(EnabledServices[s]) == 0 {
delete(EnabledServices, s)
}
// Add service to stage
if stage != 0 {
EnabledServices[stage] = append(EnabledServices[stage], service)
}
// Save enabled services to file
data, err := yaml.Marshal(EnabledServices)
if err != nil {
return err
}
err = os.WriteFile(path.Join(sysconfdir, "esvm/enabled_services"), data, 0644)
if err != nil {
return err
}
return nil
}
func readEnabledServices() (EnabledServices map[int][]string) {
EnabledServices = make(map[int][]string)
data, err := os.ReadFile(path.Join(sysconfdir, "esvm/enabled_services"))
if err != nil {
return EnabledServices
}
err = yaml.Unmarshal(data, &EnabledServices)
if err != nil {
// Assume old plain text format
for _, service := range strings.Split(strings.TrimSpace(string(data)), "\n") {
EnabledServices[3] = append(EnabledServices[3], service)
}
// Update enabled_services file
data, err := yaml.Marshal(EnabledServices)
if err != nil {
return EnabledServices
}
err = os.WriteFile(path.Join(sysconfdir, "esvm/enabled_services"), data, 0644)
if err != nil {
return EnabledServices
}
return EnabledServices
}
return EnabledServices
}
src/esvm/service.go
-47
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@@ -511,53 +511,6 @@ func (service *EnitService) RestartService() error {
return nil
}
func (service *EnitService) isEnabled() (bool, int) {
for stage, services := range ReadEnabledServices() {
if slices.Contains(services, service.Name) {
return true, stage
}
}
return false, 0
}
func (service *EnitService) SetEnabled(stage int) error {
// Get current service enabled status
_, s := service.isEnabled()
// Return if service is already in correct state
if s == stage {
return nil
}
EnabledServices := ReadEnabledServices()
// Remove service from current stage
EnabledServices[s] = slices.DeleteFunc(EnabledServices[s], func(name string) bool {
return name == service.Name
})
if len(EnabledServices[s]) == 0 {
delete(EnabledServices, s)
}
// Add service to stage
if stage != 0 {
EnabledServices[stage] = append(EnabledServices[stage], service.Name)
}
// Save enabled services to 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
}
func ReadEnabledServices() (EnabledServices map[int][]string) {
EnabledServices = make(map[int][]string)
src/esvm/socket.go
-62
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@@ -22,7 +22,6 @@ func initSocket() (socket net.Listener, err error) {
commandHandlers["start"] = handleStartServiceCommand
commandHandlers["stop"] = handleStopServiceCommand
commandHandlers["restart"] = handleRestartServiceCommand
commandHandlers["set_enabled"] = handleSetEnabledServiceCommand
commandHandlers["status"] = handleStatusServiceCommand
commandHandlers["list"] = handleListServicesCommand
@@ -151,65 +150,6 @@ func handleRestartServiceCommand(conn net.Conn, jsonData map[string]any) {
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) has restarted sucessfully", serviceName.(string))))
}
func handleSetEnabledServiceCommand(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
}
// 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
service := GetServiceByName(serviceName.(string))
if service == nil {
conn.Write(wrapErrorInJson(fmt.Errorf("Service (%s) not found", serviceName.(string))))
return
}
// Get current service enabled status
_, s := service.isEnabled()
// 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
}
// Enable service
err := service.SetEnabled(int(serviceStage))
if err != nil {
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
}
if serviceStage == 0 {
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) was disabled sucessfully", serviceName.(string))))
} else {
conn.Write(wrapSuccessMsgInJson(fmt.Sprintf("Service (%s) was enabled sucessfully", serviceName.(string))))
}
}
func handleStatusServiceCommand(conn net.Conn, jsonData map[string]any) {
// Get service name from json data
serviceName, ok := jsonData["service"]
@@ -230,7 +170,6 @@ func handleStatusServiceCommand(conn net.Conn, jsonData map[string]any) {
statusMap["description"] = service.Description
statusMap["state"] = EnitServiceStateNames[service.state]
statusMap["process_id"] = service.processID
statusMap["is_enabled"], statusMap["stage"] = service.isEnabled()
// Encode map to json string
newJsonData, err := json.Marshal(statusMap)
@@ -253,7 +192,6 @@ func handleListServicesCommand(conn net.Conn, _ map[string]any) {
statusMap["description"] = service.Description
statusMap["state"] = EnitServiceStateNames[service.state]
statusMap["process_id"] = service.processID
statusMap["is_enabled"], statusMap["stage"] = service.isEnabled()
servicesMap["services"] = append(servicesMap["services"].([]map[string]any), statusMap)
}