private static LinuxServiceSettings CreateServiceSettings(HostSettings settings, string commandLine)
{
var currentAssembly = Assembly.GetEntryAssembly();
if (currentAssembly == null)
{
throw new InstallException(Resources.ServiceMustBeExecutableFile);
}
var serviceName = settings.Name;
if (!string.IsNullOrEmpty(settings.InstanceName))
{
serviceName += "@" + settings.InstanceName;
}
var result = new LinuxServiceSettings
{
ServiceName = serviceName,
DisplayName = settings.DisplayName,
Description = settings.Description,
ServiceExe = currentAssembly.Location,
ServiceArgs = commandLine
};
var installSettings = settings as InstallHostSettings;
if (installSettings != null)
{
result.Username = installSettings.Credentials?.Username;
result.Dependencies = installSettings.Dependencies;
}
return result;
}
private void CreateServiceFile(LinuxServiceSettings settings)
{
// Создание скрипта в '/etc/init.d'
var serviceName = BuildServiceName(settings);
var serviceFile = BuildServicePath(settings);
var serviceScript = BuildServiceScript(settings, serviceName);
File.WriteAllText(serviceFile, serviceScript);
}
private static void DeleteServiceFile(LinuxServiceSettings settings)
{
// Удаление скрипта из '/etc/init.d'
var serviceFile = BuildServicePath(settings);
if (File.Exists(serviceFile))
{
File.Delete(serviceFile);
}
}
private static void UnregisterServiceFile(LinuxServiceSettings settings)
{
// Выполнение команды: 'update-rc.d -f <serviceFile> remove'
var serviceFile = Path.GetFileName(BuildServicePath(settings));
try
{
MonoHelper.ExecuteProcessSync("update-rc.d", $" -f {serviceFile} remove");
}
catch (Exception error)
{
throw new InstallException(string.Format(Properties.Resources.CantUnregisterServiceFile, serviceFile), error);
}
}
private static string BuildServiceScript(LinuxServiceSettings settings, string serviceName)
{
return(new StringBuilder(Properties.Resources.LsbLinuxServiceScript)
.Replace("<ServiceName>", serviceName)
.Replace("<Dependencies>", BuildDependencies(settings))
.Replace("<DisplayName>", BuildDisplayName(settings))
.Replace("<Description>", BuildDescription(settings))
.Replace("<ServiceDir>", BuildServiceDirectory(settings))
.Replace("<ServiceExe>", BuildServiceExecutable(settings))
.Replace("<ServiceArgs>", BuildServiceArguments(settings))
.Replace("<ServiceUser>", BuildServiceUser(settings))
.Replace("<ServicePidDir>", "/var/run")
.Replace("\r\n", "\n")
.ToString());
}
private static string BuildDependencies(LinuxServiceSettings settings)
{
var dependencies = settings.Dependencies;
if (dependencies != null && dependencies.Length > 0)
{
dependencies = settings.Dependencies.Where(d => !string.IsNullOrWhiteSpace(d)).ToArray();
}
if (dependencies == null || dependencies.Length <= 0)
{
dependencies = new[] { "$local_fs", "$network", "$remote_fs", "$syslog" };
}
return(string.Join(" ", dependencies));
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings, Installer[] installers, LinuxServiceLogWriter logWriter)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_settings = settings;
_installers = installers;
_logWriter = logWriter;
_installTransaction = new TransactionManager<LinuxServiceSettings>(_logWriter)
.Stage(Properties.Resources.CreateServiceFileStage, CreateServiceFile, DeleteServiceFile)
.Stage(Properties.Resources.SetServiceFileAsExecutableStage, SetServiceFileAsExecutable)
.Stage(Properties.Resources.RegisterServiceFileStage, RegisterServiceFile, UnregisterServiceFile);
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings, Installer[] installers, LinuxServiceLogWriter logWriter)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_settings = settings;
_installers = installers;
_logWriter = logWriter;
_installTransaction = new TransactionManager <LinuxServiceSettings>(_logWriter)
.Stage(Properties.Resources.CreateServiceFileStage, CreateServiceFile, DeleteServiceFile)
.Stage(Properties.Resources.SetServiceFileAsExecutableStage, SetServiceFileAsExecutable)
.Stage(Properties.Resources.RegisterServiceFileStage, RegisterServiceFile, UnregisterServiceFile);
}
private static void SetServiceFileAsExecutable(LinuxServiceSettings settings)
{
// Выполнение команды: 'chmod +x <serviceFile>'
var serviceFile = BuildServicePath(settings);
Stat fileStatus;
// Определение состояния файла
if (Syscall.stat(serviceFile, out fileStatus) != 0)
{
throw new InstallException(string.Format(Properties.Resources.CantRetrieveFileStatus, serviceFile));
}
// Разрешение исполнения файла
if (Syscall.chmod(serviceFile, fileStatus.st_mode | FilePermissions.S_IXUSR | FilePermissions.S_IXGRP | FilePermissions.S_IXOTH) != 0)
{
throw new InstallException(string.Format(Properties.Resources.CantSetFileAsExecutable, serviceFile));
}
}
private static string BuildServiceName(LinuxServiceSettings settings)
{
return settings.ServiceName;
}
private static string BuildServiceUser(LinuxServiceSettings settings)
{
return(string.IsNullOrWhiteSpace(settings.Username) ? Environment.UserName : settings.Username.Trim());
}
private static string BuildServiceExecutable(LinuxServiceSettings settings)
{
return(Path.GetFileName(settings.ServiceExe));
}
private static string BuildDescription(LinuxServiceSettings settings)
{
return(string.IsNullOrWhiteSpace(settings.Description)
? BuildDisplayName(settings) : settings.Description);
}
private static string BuildDisplayName(LinuxServiceSettings settings)
{
return(string.IsNullOrWhiteSpace(settings.DisplayName)
? BuildServiceName(settings) : settings.DisplayName);
}
private static string BuildServiceName(LinuxServiceSettings settings)
{
return(settings.ServiceName);
}
private static void SetServiceFileAsExecutable(LinuxServiceSettings settings)
{
// Выполнение команды: 'chmod +x <serviceFile>'
var serviceFile = BuildServicePath(settings);
Stat fileStatus;
// Определение состояния файла
if (Syscall.stat(serviceFile, out fileStatus) != 0)
{
throw new InstallException(string.Format(Properties.Resources.CantRetrieveFileStatus, serviceFile));
}
// Разрешение исполнения файла
if (Syscall.chmod(serviceFile, fileStatus.st_mode | FilePermissions.S_IXUSR | FilePermissions.S_IXGRP | FilePermissions.S_IXOTH) != 0)
{
throw new InstallException(string.Format(Properties.Resources.CantSetFileAsExecutable, serviceFile));
}
}
private static string BuildServiceExecutable(LinuxServiceSettings settings)
{
return Path.GetFileName(settings.ServiceExe);
}
private static string BuildServiceDirectory(LinuxServiceSettings settings)
{
return Path.GetDirectoryName(settings.ServiceExe);
}
private static string BuildDescription(LinuxServiceSettings settings)
{
return string.IsNullOrWhiteSpace(settings.Description)
? BuildDisplayName(settings) : settings.Description;
}
private static string BuildDisplayName(LinuxServiceSettings settings)
{
return string.IsNullOrWhiteSpace(settings.DisplayName)
? BuildServiceName(settings) : settings.DisplayName;
}
private static string BuildServicePath(LinuxServiceSettings settings)
{
var serviceName = BuildServiceName(settings);
return Path.Combine("/etc/init.d", serviceName);
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings, Installer[] installers)
: this(settings, installers, LinuxServiceLogWriter.Null)
{
}
private static string BuildServiceArguments(LinuxServiceSettings settings)
{
return string.IsNullOrWhiteSpace(settings.ServiceArgs) ? string.Empty : settings.ServiceArgs.Trim();
}
private static void DeleteServiceFile(LinuxServiceSettings settings)
{
// Удаление скрипта из '/etc/init.d'
var serviceFile = BuildServicePath(settings);
if (File.Exists(serviceFile))
{
File.Delete(serviceFile);
}
}
private static string BuildServiceUser(LinuxServiceSettings settings)
{
return string.IsNullOrWhiteSpace(settings.Username) ? Environment.UserName : settings.Username.Trim();
}
private static string BuildServicePath(LinuxServiceSettings settings)
{
var serviceName = BuildServiceName(settings);
return(Path.Combine("/etc/init.d", serviceName));
}
private static string BuildDependencies(LinuxServiceSettings settings)
{
var dependencies = settings.Dependencies;
if (dependencies != null && dependencies.Length > 0)
{
dependencies = settings.Dependencies.Where(d => !string.IsNullOrWhiteSpace(d)).ToArray();
}
if (dependencies == null || dependencies.Length <= 0)
{
dependencies = new[] { "$local_fs", "$network", "$remote_fs", "$syslog" };
}
return string.Join(" ", dependencies);
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings)
: this(settings, null, LinuxServiceLogWriter.Null)
{
}
private static void UnregisterServiceFile(LinuxServiceSettings settings)
{
// Выполнение команды: 'update-rc.d -f <serviceFile> remove'
var serviceFile = Path.GetFileName(BuildServicePath(settings));
try
{
MonoHelper.ExecuteProcessSync("update-rc.d", $" -f {serviceFile} remove");
}
catch (Exception error)
{
throw new InstallException(string.Format(Properties.Resources.CantUnregisterServiceFile, serviceFile), error);
}
}
private static string BuildServiceDirectory(LinuxServiceSettings settings)
{
return(Path.GetDirectoryName(settings.ServiceExe));
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings)
: this(settings, null, LinuxServiceLogWriter.Null)
{
}
private static string BuildServiceArguments(LinuxServiceSettings settings)
{
return(string.IsNullOrWhiteSpace(settings.ServiceArgs) ? string.Empty : settings.ServiceArgs.Trim());
}
public LsbLinuxHostInstaller(LinuxServiceSettings settings, Installer[] installers)
: this(settings, installers, LinuxServiceLogWriter.Null)
{
}
private void CreateServiceFile(LinuxServiceSettings settings)
{
// Создание скрипта в '/etc/init.d'
var serviceName = BuildServiceName(settings);
var serviceFile = BuildServicePath(settings);
var serviceScript = BuildServiceScript(settings, serviceName);
File.WriteAllText(serviceFile, serviceScript);
}
private static string BuildServiceScript(LinuxServiceSettings settings, string serviceName)
{
return new StringBuilder(Properties.Resources.LsbLinuxServiceScript)
.Replace("<ServiceName>", serviceName)
.Replace("<Dependencies>", BuildDependencies(settings))
.Replace("<DisplayName>", BuildDisplayName(settings))
.Replace("<Description>", BuildDescription(settings))
.Replace("<ServiceDir>", BuildServiceDirectory(settings))
.Replace("<ServiceExe>", BuildServiceExecutable(settings))
.Replace("<ServiceArgs>", BuildServiceArguments(settings))
.Replace("<ServiceUser>", BuildServiceUser(settings))
.Replace("<ServicePidDir>", "/var/run")
.Replace("\r\n", "\n")
.ToString();
}
