mirror of
https://github.com/Icinga/icinga2.git
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345 lines
12 KiB
C++
345 lines
12 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "cli/agentsetupcommand.hpp"
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#include "cli/agentutility.hpp"
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#include "cli/featureutility.hpp"
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#include "cli/pkiutility.hpp"
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#include "base/logger.hpp"
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#include "base/console.hpp"
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#include "base/application.hpp"
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#include "base/tlsutility.hpp"
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/algorithm/string/join.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <iostream>
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#include <fstream>
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#include <vector>
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using namespace icinga;
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namespace po = boost::program_options;
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REGISTER_CLICOMMAND("agent/setup", AgentSetupCommand);
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String AgentSetupCommand::GetDescription(void) const
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{
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return "Sets up an Icinga 2 agent.";
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}
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String AgentSetupCommand::GetShortDescription(void) const
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{
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return "set up agent";
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}
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void AgentSetupCommand::InitParameters(boost::program_options::options_description& visibleDesc,
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boost::program_options::options_description& hiddenDesc) const
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{
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visibleDesc.add_options()
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("zone", po::value<std::string>(), "The name of the local zone")
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("master_zone", po::value<std::string>(), "The name of the master zone")
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("master_host", po::value<std::string>(), "The name of the master host for auto-signing the csr")
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("endpoint", po::value<std::vector<std::string> >(), "Connect to remote endpoint; syntax: cn[,host,port]")
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("listen", po::value<std::string>(), "Listen on host,port")
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("ticket", po::value<std::string>(), "Generated ticket number for this request")
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("trustedcert", po::value<std::string>(), "Trusted master certificate file")
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("cn", po::value<std::string>(), "The certificate's common name")
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("master", "Use setup for a master instance");
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}
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std::vector<String> AgentSetupCommand::GetArgumentSuggestions(const String& argument, const String& word) const
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{
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if (argument == "key" || argument == "cert" || argument == "trustedcert")
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return GetBashCompletionSuggestions("file", word);
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else if (argument == "host")
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return GetBashCompletionSuggestions("hostname", word);
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else if (argument == "port")
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return GetBashCompletionSuggestions("service", word);
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else
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return CLICommand::GetArgumentSuggestions(argument, word);
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}
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/**
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* The entry point for the "agent setup" CLI command.
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*
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* @returns An exit status.
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*/
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int AgentSetupCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
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{
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if (!ap.empty()) {
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Log(LogWarning, "cli")
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<< "Ignoring parameters: " << boost::algorithm::join(ap, " ");
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}
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if (vm.count("master"))
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return SetupMaster(vm, ap);
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else
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return SetupAgent(vm, ap);
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}
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int AgentSetupCommand::SetupMaster(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap)
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{
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/* Ignore not required parameters */
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if (vm.count("ticket"))
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Log(LogWarning, "cli", "Master for Agent setup: Ignoring --ticket");
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if (vm.count("endpoint"))
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Log(LogWarning, "cli", "Master for Agent setup: Ignoring --endpoint");
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if (vm.count("trustedcert"))
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Log(LogWarning, "cli", "Master for Agent setup: Ignoring --trustedcert");
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/* Generate a new CA, if not already existing */
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Log(LogInformation, "cli", "Generating new CA.");
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if (PkiUtility::NewCa() > 0) {
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Log(LogWarning, "cli", "Found CA, skipping and using the existing one.");
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}
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/* Generate a self signed certificate */
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Log(LogInformation, "cli", "Generating new self-signed certificate.");
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String pki_path = PkiUtility::GetPkiPath();
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if (!Utility::MkDirP(pki_path, 0700)) {
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Log(LogCritical, "cli")
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<< "Could not create local pki directory '" << pki_path << "'.";
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return 1;
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}
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String cn = Utility::GetFQDN();
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if (vm.count("cn"))
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cn = vm["cn"].as<std::string>();
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String key = pki_path + "/" + cn + ".key";
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String csr = pki_path + "/" + cn + ".csr";
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if (PkiUtility::NewCert(cn, key, csr, "") > 0) {
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Log(LogCritical, "cli", "Failed to create self-signed certificate");
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return 1;
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}
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/* Sign the CSR with the CA key */
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String cert = pki_path + "/" + cn + ".crt";
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if (PkiUtility::SignCsr(csr, cert) != 0) {
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Log(LogCritical, "cli", "Could not sign CSR.");
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return 1;
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}
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/* Copy CA certificate to /etc/icinga2/pki */
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String ca = PkiUtility::GetLocalCaPath() + "/ca.crt";
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Log(LogInformation, "cli")
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<< "Copying CA certificate to '" << ca << "'.";
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String target_ca = pki_path + "/ca.crt";
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/* does not overwrite existing files! */
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Utility::CopyFile(ca, target_ca);
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/* read zones.conf and update with zone + endpoint information */
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Log(LogInformation, "cli", "Generating zone and object configuration.");
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AgentUtility::GenerateAgentMasterIcingaConfig(cn);
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/* enable the ApiListener config (verify its data) */
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Log(LogInformation, "cli", "Enabling the APIListener feature.");
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String api_path = FeatureUtility::GetFeaturesEnabledPath() + "/api.conf";
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//TODO: verify that the correct attributes are set on the ApiListener object
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//by reading the configuration (CompileFile) and fetching the object
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std::vector<std::string> enable;
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enable.push_back("api");
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FeatureUtility::EnableFeatures(enable);
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//TODO read --listen and set that as bind_host,port on ApiListener
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/* update constants.conf with NodeName = CN + TicketSalt = random value */
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if (cn != Utility::GetFQDN()) {
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Log(LogWarning, "cli")
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<< "CN '" << cn << "' does not match the default FQDN '" << Utility::GetFQDN() << "'. Requires update for NodeName constant in constants.conf!";
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}
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Log(LogInformation, "cli", "Updating constants.conf.");
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AgentUtility::CreateBackupFile(Application::GetSysconfDir() + "/icinga2/constants.conf");
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AgentUtility::UpdateConstant("NodeName", cn);
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String salt = RandomString(16);
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AgentUtility::UpdateConstant("TicketSalt", salt);
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Log(LogInformation, "cli")
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<< "Edit the api feature config file '" << api_path << "' and set a secure 'ticket_salt' attribute.";
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/* tell the user to reload icinga2 */
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Log(LogInformation, "cli", "Make sure to restart Icinga 2.");
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return 0;
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}
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int AgentSetupCommand::SetupAgent(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap)
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{
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/* require ticket number (generated on master) and at least one endpoint */
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if (!vm.count("ticket")) {
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Log(LogCritical, "cli")
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<< "Please pass the ticket number generated on master\n"
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<< "(Hint: 'icinga2 pki ticket --cn <masterhost> --salt <ticket_salt>').";
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return 1;
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}
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if (!vm.count("endpoint")) {
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Log(LogCritical, "cli", "You need to specify at least one endpoint (--endpoint).");
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return 1;
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}
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String ticket = vm["ticket"].as<std::string>();
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Log(LogInformation, "cli")
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<< "Verifying ticket '" << ticket << "'.";
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/* require master host information for auto-signing requests */
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if (!vm.count("master_host")) {
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Log(LogCritical, "cli", "Please pass the master host connection information for auto-signing using '--master_host <host>'");
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return 1;
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}
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std::vector<String> tokens;
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boost::algorithm::split(tokens, vm["master_host"].as<std::string>(), boost::is_any_of(","));
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String master_host;
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String master_port = "5665";
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if (tokens.size() == 1 || tokens.size() == 2)
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master_host = tokens[0];
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if (tokens.size() == 2)
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master_port = tokens[1];
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Log(LogInformation, "cli")
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<< "Verifying master host connection information: host '" << master_host << "', port '" << master_port << "'.";
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/* trusted cert must be passed (retrieved by the user with 'pki save-cert' before) */
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if (!vm.count("trustedcert")) {
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Log(LogCritical, "cli")
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<< "Please pass the trusted cert retrieved from the master\n"
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<< "(Hint: 'icinga2 pki save-cert --host <masterhost> --port <5665> --key local.key --cert local.crt --trustedcert master.crt').";
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return 1;
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}
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String trustedcert = vm["trustedcert"].as<std::string>();
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Log(LogInformation, "cli")
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<< "Verifying trusted certificate from file '" << trustedcert << "'.";
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/* retrieve CN and pass it (defaults to FQDN) */
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String cn = Utility::GetFQDN();
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if (vm.count("cn"))
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cn = vm["cn"].as<std::string>();
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Log(LogInformation, "cli")
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<< "Using the following CN (defaults to FQDN): '" << cn << "'.";
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/* pki request a signed certificate from the master */
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String pki_path = PkiUtility::GetPkiPath();
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String key = pki_path + "/" + cn + ".key";
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String cert = pki_path + "/" + cn + ".crt";
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String ca = pki_path + "/ca.crt";
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if (PkiUtility::NewCert(cn, key, String(), cert) != 0) {
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Log(LogCritical, "cli", "Failed to generate new self-signed certificate.");
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return 1;
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}
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Log(LogInformation, "cli", "Requesting a signed certificate from the master.");
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if (PkiUtility::RequestCertificate(master_host, master_port, key, cert, ca, trustedcert, ticket) != 0) {
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Log(LogCritical, "cli", "Failed to request certificate from Icinga 2 master.");
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return 1;
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}
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/* enable the ApiListener config (verify its data) */
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Log(LogInformation, "cli", "Enabling the APIListener feature.");
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std::vector<std::string> enable;
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enable.push_back("api");
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FeatureUtility::EnableFeatures(enable);
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String api_path = FeatureUtility::GetFeaturesEnabledPath() + "/api.conf";
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//TODO: verify that the correct attributes are set on the ApiListener object
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//by reading the configuration (CompileFile) and fetching the object
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/*
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ConfigCompilerContext::GetInstance()->Reset();
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ConfigCompiler::CompileFile(api_path);
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DynamicType::Ptr dt = DynamicType::GetByName("ApiListener");
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BOOST_FOREACH(const DynamicObject::Ptr& object, dt->GetObjects()) {
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std::cout << JsonSerialize(object) << std::endl;
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}*/
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//TODO read --listen and set that as bind_host,port on ApiListener
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/* generate local zones.conf with zone+endpoint */
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Log(LogInformation, "cli", "Generating zone and object configuration.");
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AgentUtility::GenerateAgentIcingaConfig(vm["endpoint"].as<std::vector<std::string> >(), cn);
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/* update constants.conf with NodeName = CN */
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if (cn != Utility::GetFQDN()) {
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Log(LogWarning, "cli")
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<< "CN '" << cn << "' does not match the default FQDN '" << Utility::GetFQDN() << "'. Requires update for NodeName constant in constants.conf!";
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}
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Log(LogInformation, "cli", "Updating constants.conf.");
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AgentUtility::CreateBackupFile(Application::GetSysconfDir() + "/icinga2/constants.conf");
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AgentUtility::UpdateConstant("NodeName", cn);
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/* tell the user to reload icinga2 */
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Log(LogInformation, "cli", "Make sure to restart Icinga 2.");
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return 0;
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}
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