dropshell/src/server_service.cpp
2025-04-21 20:34:48 +12:00

394 lines
14 KiB
C++

#include "config.hpp"
#include "init_user_directory.hpp"
#include "server_service.hpp"
#include "server_env.hpp"
#include "templates.hpp"
#include "config.hpp"
#include <boost/filesystem.hpp>
#include <iostream>
#include <fstream>
#include <sstream>
#include <cstdlib>
#include <chrono>
#include <iomanip>
namespace fs = boost::filesystem;
namespace dropshell {
std::vector<std::string> get_server_services(const std::string& server_name) {
std::vector<std::string> services;
std::string user_dir;
if (!get_user_directory(user_dir)) {
std::cerr << "Error: User directory not set" << std::endl;
return services;
}
fs::path server_dir = fs::path(user_dir) / "servers" / server_name;
if (!fs::exists(server_dir)) {
std::cerr << "Error: Server directory not found" << std::endl;
return services;
}
// Look for .env files in the server directory
for (const auto& entry : fs::directory_iterator(server_dir)) {
if (entry.path().extension() == ".env" && entry.path().filename().string() != "_server.env") {
services.push_back(entry.path().stem().string());
}
}
return services;
}
server_service::server_service() : m_server_name(""), m_service_name(""), m_server_env(nullptr) {}
bool server_service::init(const std::string& server_name, const std::string& service_name) {
std::string user_dir;
if (!get_user_directory(user_dir)) {
std::cerr << "Error: User directory not set" << std::endl;
return false;
}
// Check if server exists
fs::path server_dir = fs::path(user_dir) / "servers" / server_name;
if (!fs::exists(server_dir)) {
std::cerr << "Error: Server '" << server_name << "' not found" << std::endl;
return false;
}
// Check if service env file exists
fs::path service_env = server_dir / (service_name + ".env");
if (!fs::exists(service_env)) {
std::cerr << "Error: Service environment file not found: " << service_env.string() << std::endl;
return false;
}
// Initialize server environment
try {
m_server_env = std::make_unique<server_env>(server_dir.string());
if (!m_server_env->is_valid()) {
std::cerr << "Error: Invalid server environment" << std::endl;
return false;
}
} catch (const std::exception& e) {
std::cerr << "Error: Failed to initialize server environment: " << e.what() << std::endl;
return false;
}
m_server_name = server_name;
m_service_name = service_name;
return true;
}
// Helper method implementations
std::string server_service::construct_ssh_cmd() const {
std::stringstream ssh_cmd;
ssh_cmd << "ssh -p " << m_server_env->get_SSH_PORT() << " "
<< m_server_env->get_SSH_USER() << "@" << m_server_env->get_SSH_HOST() << " ";
return ssh_cmd.str();
}
std::string server_service::get_service_dir() const {
return m_server_env->get_DROPSHELL_DIR() + "/" + m_service_name;
}
std::string server_service::get_env_path() const {
return get_service_dir() + "/" + m_service_name + ".env";
}
std::string server_service::get_script_dir() const {
return get_service_dir() + "/template";
}
bool server_service::check_service_dir_exists(const std::string& ssh_cmd) const {
std::string check_dir_cmd = ssh_cmd + "'test -d " + get_service_dir() + "'";
if (system(check_dir_cmd.c_str()) != 0) {
std::cerr << "Error: Service directory not found on server - has it been installed?" << std::endl;
return false;
}
return true;
}
bool server_service::check_remote_file_exists(const std::string& ssh_cmd, const std::string& file_path) const {
std::string check_cmd = ssh_cmd + "'test -f " + file_path + "'";
if (system(check_cmd.c_str()) != 0) {
std::cerr << "Error: File not found: " << file_path << std::endl;
return false;
}
return true;
}
bool server_service::execute_ssh_command(const std::string& command, const std::string& error_msg) const {
std::string full_cmd = construct_ssh_cmd() + command;
return execute_local_command(full_cmd, error_msg);
}
bool server_service::execute_local_command(const std::string& command, const std::string& error_msg) const {
bool okay = (system(command.c_str()) == 0);
if (!okay && !error_msg.empty())
std::cerr << "Error: " << error_msg << std::endl;
return okay;
}
void server_service::maketitle(const std::string& title) const {
std::cout << std::string(title.length() + 4, '-') << std::endl;
std::cout << "| " << title << " |" << std::endl;
std::cout << std::string(title.length() + 4, '-') << std::endl;
}
bool server_service::install() {
maketitle("Installing " + m_service_name + " on " + m_server_name);
if (!m_server_env) {
std::cerr << "Error: Server service not initialized" << std::endl;
return false;
}
// Check if template exists
template_manager tm;
template_info info;
if (!tm.get_template_info(m_service_name, info)) {
std::cerr << "Error: Template '" << m_service_name << "' not found" << std::endl;
return false;
}
std::string script_dir = get_script_dir();
// Create service directory
std::string mkdir_cmd = "'mkdir -p " + script_dir + "'";
if (!execute_ssh_command(mkdir_cmd, "Failed to create service directory")) {
return false;
}
// Check if rsync is installed on remote host
std::string check_rsync_cmd = "'which rsync > /dev/null 2>&1'";
if (!execute_ssh_command(check_rsync_cmd, "rsync is not installed on the remote host")) {
return false;
}
// Copy template files
std::cout << "Copying template files from " << info.path << " to " << script_dir << "/" << std::endl;
std::string rsync_cmd = "rsync --delete -zrpc -e 'ssh -p " + m_server_env->get_SSH_PORT() + "' " +
info.path + "/ " +
m_server_env->get_SSH_USER() + "@" + m_server_env->get_SSH_HOST() + ":" +
script_dir + "/";
execute_local_command(rsync_cmd,"Failed to copy template files");
// Copy service env file
std::string user_dir;
if (!get_user_directory(user_dir)) {
std::cerr << "Error: User directory not set" << std::endl;
return false;
}
fs::path service_env = fs::path(user_dir) / "servers" / m_server_name / (m_service_name + ".env");
std::string scp_cmd = "scp -P " + m_server_env->get_SSH_PORT() + " " +
service_env.string() + " " +
m_server_env->get_SSH_USER() + "@" + m_server_env->get_SSH_HOST() + ":" +
get_env_path();
if (!execute_ssh_command(scp_cmd, "Failed to copy service environment file")) {
return false;
}
// Run install script
std::string install_cmd = "'cd " + script_dir +
" && /bin/bash _install.sh " + get_env_path() + "'";
bool ok= execute_ssh_command(install_cmd, "Failed to run install script");
if (!ok)
return false;
// print health tick
std::cout << "Health: " << healthtick() << std::endl;
return true;
}
bool server_service::run_command(const std::string& command) {
if (!m_server_env) {
std::cerr << "Error: Server service not initialized" << std::endl;
return false;
}
std::string ssh_cmd = construct_ssh_cmd();
std::string script_dir = get_script_dir();
std::string script_path = script_dir + "/" + command + ".sh";
// Check if service directory exists
if (!check_service_dir_exists(ssh_cmd)) {
return false;
}
// Check if command script exists
if (!check_remote_file_exists(ssh_cmd, script_path)) {
return false;
}
// Check if env file exists
if (!check_remote_file_exists(ssh_cmd, get_env_path())) {
return false;
}
// Run the command
std::string run_cmd = "'cd " + script_dir +
" && /bin/bash " + script_path + " " + get_env_path() + "'";
return execute_ssh_command(run_cmd, "Command returned error code: " + script_path);
}
bool server_service::backup() {
maketitle("Backing up " + m_service_name + " on " + m_server_name);
if (!m_server_env) {
std::cerr << "Error: Server service not initialized" << std::endl;
return false;
}
std::string ssh_cmd = construct_ssh_cmd();
std::string script_dir = get_script_dir();
std::string script_path = script_dir + "/_backup.sh";
// Check if basic installed stuff is in place.
if (!check_service_dir_exists(ssh_cmd) || !check_remote_file_exists(ssh_cmd, script_path) || !check_remote_file_exists(ssh_cmd, get_env_path()))
return false;
// Create backups directory on server if it doesn't exist
std::string server_backups_dir = m_server_env->get_DROPSHELL_DIR() + "/backups";
std::string mkdir_cmd = "'mkdir -p " + server_backups_dir + "'";
if (!execute_ssh_command(mkdir_cmd, "Failed to create backups directory on server")) {
return false;
}
// Create backups directory locally if it doesn't exist
std::string user_dir;
if (!get_user_directory(user_dir)) {
std::cerr << "Error: User directory not set" << std::endl;
return false;
}
fs::path local_backups_dir = fs::path(user_dir) / "backups";
if (!fs::exists(local_backups_dir)) {
fs::create_directories(local_backups_dir);
}
// Get current datetime for backup filename
auto now = std::chrono::system_clock::now();
auto time = std::chrono::system_clock::to_time_t(now);
std::stringstream datetime;
datetime << std::put_time(std::localtime(&time), "%Y-%m-%d_%H-%M-%S");
// Construct backup filename
std::string backup_filename = m_server_name + "-" + m_service_name + "-" + datetime.str() + ".tgz";
std::string server_backup_path = server_backups_dir + "/" + backup_filename;
std::string local_backup_path = (local_backups_dir / backup_filename).string();
// Run backup script
std::string backup_cmd = "'cd " + script_dir +
" && /bin/bash \""+script_path+"\" " + get_env_path() + " " + server_backup_path + "'";
if (!execute_ssh_command(backup_cmd, "Backup script failed")) {
return false;
}
// Copy backup file from server to local
std::string scp_cmd = "scp -P " + m_server_env->get_SSH_PORT() + " " +
m_server_env->get_SSH_USER() + "@" + m_server_env->get_SSH_HOST() + ":" +
server_backup_path + " " + local_backup_path;
if (!execute_local_command(scp_cmd, "Failed to copy backup file from server")) {
return false;
}
std::cout << "Backup created successfully: " << local_backup_path << std::endl;
return true;
}
bool server_service::is_healthy()
{
if (!m_server_env) {
std::cerr << "Error: Server service not initialized" << std::endl;
return false;
}
std::string service_dir = m_server_env->get_DROPSHELL_DIR() + "/" + m_service_name;
std::string script_dir = service_dir + "/template";
std::string env_path = service_dir + "/" + m_service_name + ".env";
// Run status script, does not display output.
return execute_ssh_command("'cd " + script_dir + " && /bin/bash _status.sh " + env_path + " > /dev/null 2>&1'","");
}
std::string server_service::healthtick()
{
std::string green_tick = "\033[32m✓\033[0m";
std::string red_cross = "\033[31m✗\033[0m";
if (is_healthy())
return green_tick;
else
return red_cross;
}
std::vector<int> server_service::get_ports()
{
std::vector<int> ports;
if (!m_server_env) {
std::cerr << "Error: Server service not initialized" << std::endl;
return ports;
}
std::string ssh_cmd = construct_ssh_cmd();
std::string script_dir = get_script_dir();
std::string script_path = script_dir + "/_ports.sh";
// Check if service directory exists
if (!check_service_dir_exists(ssh_cmd)) {
return ports;
}
// Check if ports script exists
if (!check_remote_file_exists(ssh_cmd, script_path)) {
return ports;
}
// Run the ports script and capture output
std::string run_cmd = "'cd " + script_dir +
" && /bin/bash " + script_path + " " + get_env_path() + "'";
// Create a temporary file to store the output
std::string temp_file = "/tmp/dropshell_ports_" + std::to_string(getpid());
std::string full_cmd = ssh_cmd + run_cmd + " > " + temp_file;
if (!execute_local_command(full_cmd, "Failed to run ports script")) {
return ports;
}
// Read the output file
std::ifstream in(temp_file);
if (!in.is_open()) {
std::cerr << "Error: Failed to read ports output" << std::endl;
return ports;
}
// Read the entire file content
std::string content((std::istreambuf_iterator<char>(in)), std::istreambuf_iterator<char>());
// Clean up temporary file
std::remove(temp_file.c_str());
// Process the content
std::stringstream ss(content);
std::string token;
// First split by commas
while (std::getline(ss, token, ',')) {
// Then split each comma-separated part by whitespace
std::stringstream token_ss(token);
std::string port_str;
while (token_ss >> port_str) { // This handles all whitespace including newlines
try {
int port = std::stoi(port_str);
ports.push_back(port);
} catch (const std::exception& e) {
std::cerr << "Warning: Invalid port number: " << port_str << std::endl;
}
}
}
return ports;
}
} // namespace dropshell