dropshell/src/main.cpp
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Super simple assert for now.
2025-05-13 21:46:04 +12:00

262 lines
8.8 KiB
C++

#include "version.hpp"
#include "config.hpp"
#include "service_runner.hpp"
#include "services.hpp"
#include "servers.hpp"
#include "utils/directories.hpp"
#include "templates.hpp"
#include "utils/utils.hpp"
#include "autocomplete.hpp"
#include "utils/hash.hpp"
#include "command_registry.hpp"
#include <filesystem>
#include <iostream>
#include <string>
#include <vector>
#include <iomanip>
#include <chrono>
#include <assert.hpp>
#include <sstream>
#include <algorithm>
namespace dropshell {
extern const std::string VERSION;
extern const std::string RELEASE_DATE;
extern const std::string AUTHOR;
extern const std::string LICENSE;
int main(int argc, char* argv[]) {
try {
// silently attempt to load the config file and templates.
gConfig().load_config();
if (gConfig().is_config_set())
gTemplateManager().load_sources();
// process the command line arguments.
std::vector<std::string> args(argv, argv + argc);
if (args.size() < 2)
args.push_back("help");
ASSERT(args.size() > 1, "No command provided, logic error.");
CommandContext ctx{args[0], args[1], std::vector<std::string>(args.begin() + 2, args.end())};
if (ctx.command == "autocomplete") {
CommandRegistry::instance().autocomplete(ctx);
return 0;
}
const CommandInfo* info = CommandRegistry::instance().find_command(ctx.command);
if (!info) {
std::cerr << "Unknown command: " << ctx.command << std::endl;
return 1;
}
if (info->requires_config && !gConfig().is_config_set()) {
std::cerr << "Valid dropshell configuration required for command: " << ctx.command << std::endl;
std::cerr << "Please run 'dropshell edit' to set up the dropshell configuration." << std::endl;
return 1;
}
if (info->requires_install && !gConfig().is_agent_installed()) {
std::cerr << "Dropshell agent not installed for command: " << ctx.command << std::endl;
std::cerr << "Please run 'dropshell install' to install the local dropshell agent." << std::endl;
return 1;
}
int arg_count = ctx.args.size();
if (arg_count < info->min_args || (info->max_args != -1 && arg_count > info->max_args)) {
std::cerr << "Invalid number of arguments for command: " << ctx.command << std::endl;
std::cerr << "Usage: " << std::endl;
std::cout << " ";
print_left_aligned(info->help_usage,30);
std::cout << info->help_description << std::endl;
return 1;
}
return info->handler(ctx);
}
catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << std::endl;
return 1;
}
}
// ------------------------------------------------------------------------------------------------
struct ServerAndServices {
std::string server_name;
std::vector<LocalServiceInfo> servicelist;
};
bool getCLIServices(const std::string & arg2, const std::string & arg3,
ServerAndServices & server_and_services)
{
if (arg2.empty()) return false;
server_and_services.server_name = arg2;
if (arg3.empty()) {
server_and_services.servicelist = get_server_services_info(arg2);
} else {
server_and_services.servicelist.push_back(get_service_info(arg2, arg3));
}
return true;
}
void printversion() {
maketitle("DropShell version " + VERSION);
std::cout << "Release date: " << RELEASE_DATE << std::endl;
std::cout << "Author: " << AUTHOR << std::endl;
std::cout << "License: " << LICENSE << std::endl;
}
auto command_match = [](const std::string& cmd_list, int argc, char* argv[]) -> bool {
std::istringstream iss(cmd_list);
std::string cmd_item;
while (iss >> cmd_item) {
if (cmd_item == safearg(argc, argv, 1)) {
return true;
}
}
return false;
};
#define BOOLEXIT(CMD_LIST, RUNCMD) { \
if (command_match(CMD_LIST, argc, argv)) { \
return (RUNCMD) ? 0 : 1; \
} \
}
#define HAPPYEXIT(CMD_LIST, RUNCMD) { \
if (command_match(CMD_LIST, argc, argv)) { \
RUNCMD; \
return 0; \
} \
}
int old_main(int argc, char* argv[]) {
HAPPYEXIT("hash", hash_demo_raw(safearg(argc,argv,2)))
HAPPYEXIT("version", printversion())
BOOLEXIT("test-template", gTemplateManager().test_template(safearg(argc,argv,2)))
ASSERT(safearg(argc,argv,1) != "assert", "Hello! Here is an assert.");
try {
// silently attempt to load the config file and templates.
gConfig().load_config();
if (gConfig().is_config_set())
gTemplateManager().load_sources();
std::string cmd = argv[1];
// ------------------------------------------------------------
// from here we require the config file to be loaded.
if (!gConfig().is_config_set())
return die("Please run 'dropshell edit' to set up the dropshell configuration.");
const std::vector<std::string> & server_definition_paths = gConfig().get_local_server_definition_paths();
if (server_definition_paths.size()>1) { // only show if there are multiple.
std::cout << "Server definition paths: ";
for (auto & dir : server_definition_paths)
std::cout << "["<< dir << "] ";
std::cout << std::endl;
}
if (gTemplateManager().is_loaded() && gTemplateManager().get_source_count() > 0)
gTemplateManager().print_sources();
HAPPYEXIT("templates", gTemplateManager().list_templates());
if (cmd == "create-template") {
if (argc < 3) return die("Error: create-template requires a template name");
return (gTemplateManager().create_template(argv[2])) ? 0 : 1;
}
if (cmd == "create-server") {
if (argc < 3) return die("Error: create-server requires a server name");
return (create_server(argv[2])) ? 0 : 1;
}
if (cmd == "create-service") {
if (argc < 5) return die("Error: not enough arguments.\ndropshell create-service server template service");
return (create_service(argv[2], argv[3], argv[4])) ? 0 : 1;
}
if (cmd == "ssh" && argc < 4) {
if (argc < 3) return die("Error: ssh requires a server name and optionally service name");
service_runner::interactive_ssh(argv[2], "bash");
return 0;
}
// handle running a command.
std::set<std::string> commands;
get_all_used_commands(commands);
autocomplete::merge_commands(commands, autocomplete::service_commands_require_config); // handled by service_runner, but not in template_shell_commands.
if (commands.count(cmd)) {
std::set<std::string> safe_commands = {"nuke", "fullnuke"};
if (safe_commands.count(cmd) && argc < 4)
return die("Error: "+cmd+" requires a server name and service name. For safety, can't run on all services.");
// get all the services to run the command on.
ServerAndServices server_and_services;
if (!getCLIServices(safearg(argc, argv, 2), safearg(argc, argv, 3), server_and_services))
return die("Error: "+cmd+" command requires server name and optionally service name");
// run the command on each service.
for (const auto& service_info : server_and_services.servicelist) {
if (!SIvalid(service_info))
std::cerr<<"Error: Unable to get service information."<<std::endl;
else {
service_runner runner(server_and_services.server_name, service_info.service_name);
if (!runner.isValid())
return die("Error: Failed to initialize service");
std::vector<std::string> additional_args;
for (int i=4; i<argc; i++)
additional_args.push_back(argv[i]);
if (!runner.run_command(cmd, additional_args))
return die(cmd+" failed on service "+service_info.service_name);
}
}
// success!
return 0;
}
// Unknown command
std::cerr << "Error: Unknown command '" << cmd << "'" << std::endl;
std::cerr << "Valid commands: ";
for (const auto& command : commands) {
if (!command.empty() && command[0]!='_')
std::cerr << command << " ";
}
std::cerr << std::endl;
return 1;
} catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << std::endl;
return 1;
}
}
} // namespace dropshell
int main(int argc, char* argv[]) {
return dropshell::main(argc, argv);
}