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added a check for the existence of the container before installing it

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This commit is contained in:
vladimir.kuznetsov 2023-02-06 19:19:49 +03:00
parent 2fdab4c196
commit b2fd94d20e
4 changed files with 31 additions and 0 deletions
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1
client/core/defs.h
View file

@ -32,6 +32,7 @@ enum ErrorCode
ServerContainerMissingError,
ServerDockerFailedError,
ServerCancelInstallation,
ServerContainerAlreadyInstalledError,
// Ssh connection errors
SshSocketError, SshTimeoutError, SshProtocolError,

1
client/core/errorstrings.cpp
View file

@ -16,6 +16,7 @@ QString errorString(ErrorCode code){
case(ServerContainerMissingError): return QObject::tr("Server error: Docker container missing");
case(ServerDockerFailedError): return QObject::tr("Server error: Docker failed");
case(ServerCancelInstallation): return QObject::tr("Installation canceled by user");
case(ServerContainerAlreadyInstalledError): return QObject::tr("Container already installed");
// Ssh connection errors
case(SshSocketError): return QObject::tr("Ssh connection error");

28
client/core/servercontroller.cpp
View file

@ -415,6 +415,9 @@ ErrorCode ServerController::setupContainer(const ServerCredentials &credentials,
//qDebug().noquote() << QJsonDocument(config).toJson();
ErrorCode e = ErrorCode::NoError;
e = isContainerAlreadyInstalled(credentials, container);
if (e) return e;
e = installDockerWorker(credentials, container);
if (e) return e;
qDebug().noquote() << "ServerController::setupContainer installDockerWorker finished";
@ -856,3 +859,28 @@ QString ServerController::replaceVars(const QString &script, const Vars &vars)
//qDebug().noquote() << script;
return s;
}
ErrorCode ServerController::isContainerAlreadyInstalled(const ServerCredentials &credentials, DockerContainer container)
{
QString stdOut;
auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
stdOut += data + "\n";
};
auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> ) {
stdOut += data + "\n";
};
QString script = QString("sudo docker ps | grep %1").arg(ContainerProps::containerToString(container));
ErrorCode errorCode = runScript(credentials,
replaceVars(script, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
if (errorCode != ErrorCode::NoError) {
return errorCode;
}
if (!stdOut.isEmpty()) {
return ErrorCode::ServerContainerAlreadyInstalledError;
}
return ErrorCode::NoError;
}

1
client/core/servercontroller.h
View file

@ -82,6 +82,7 @@ private:
ErrorCode runContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config);
ErrorCode configureContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config);
ErrorCode startupContainerWorker(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config = QJsonObject());
ErrorCode isContainerAlreadyInstalled(const ServerCredentials &credentials, DockerContainer container);
std::shared_ptr<Settings> m_settings;
std::shared_ptr<VpnConfigurator> m_configurator;