mirror of https://github.com/Icinga/icinga2.git
578 lines
18 KiB
C++
578 lines
18 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "cli/nodesetupcommand.hpp"
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#include "cli/nodeutility.hpp"
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#include "cli/featureutility.hpp"
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#include "cli/apisetuputility.hpp"
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#include "remote/apilistener.hpp"
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#include "remote/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 "base/scriptglobal.hpp"
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#include "base/exception.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 <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("node/setup", NodeSetupCommand);
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String NodeSetupCommand::GetDescription() const
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{
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return "Sets up an Icinga 2 node.";
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}
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String NodeSetupCommand::GetShortDescription() const
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{
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return "set up node";
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}
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void NodeSetupCommand::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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("endpoint", po::value<std::vector<std::string> >(), "Connect to remote endpoint; syntax: cn[,host,port]")
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("parent_host", po::value<std::string>(), "The name of the parent host for auto-signing the csr; syntax: host[,port]")
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("parent_zone", po::value<std::string>(), "The name of the parent zone")
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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 (optional)")
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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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("accept-config", "Accept config from master")
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("accept-commands", "Accept commands from master")
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("master", "Use setup for a master instance")
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("global_zones", po::value<std::vector<std::string> >(), "The names of the additional global zones to 'global-templates' and 'director-global'.")
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("disable-confd", "Disables the conf.d directory during the setup");
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hiddenDesc.add_options()
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("master_zone", po::value<std::string>(), "DEPRECATED: The name of the master zone")
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("master_host", po::value<std::string>(), "DEPRECATED: The name of the master host for auto-signing the csr; syntax: host[,port]");
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}
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std::vector<String> NodeSetupCommand::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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ImpersonationLevel NodeSetupCommand::GetImpersonationLevel() const
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{
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return ImpersonateRoot;
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}
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/**
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* The entry point for the "node setup" CLI command.
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*
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* @returns An exit status.
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*/
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int NodeSetupCommand::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 SetupNode(vm, ap);
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}
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int NodeSetupCommand::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 Node setup: Ignoring --ticket");
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if (vm.count("endpoint"))
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Log(LogWarning, "cli", "Master for Node setup: Ignoring --endpoint");
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if (vm.count("trustedcert"))
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Log(LogWarning, "cli", "Master for Node setup: Ignoring --trustedcert");
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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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/* Setup command hardcodes this as FQDN */
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String endpointName = cn;
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/* Allow to specify zone name. */
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String zoneName = "master";
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if (vm.count("zone"))
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zoneName = vm["zone"].as<std::string>();
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/* check whether the user wants to generate a new certificate or not */
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String existingPath = ApiListener::GetCertsDir() + "/" + cn + ".crt";
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Log(LogInformation, "cli")
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<< "Checking in existing certificates for common name '" << cn << "'...";
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if (Utility::PathExists(existingPath)) {
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Log(LogWarning, "cli")
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<< "Certificate '" << existingPath << "' for CN '" << cn << "' already exists. Not generating new certificate.";
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} else {
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Log(LogInformation, "cli")
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<< "Certificates not yet generated. Running 'api setup' now.";
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ApiSetupUtility::SetupMasterCertificates(cn);
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}
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Log(LogInformation, "cli", "Generating master configuration for Icinga 2.");
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ApiSetupUtility::SetupMasterApiUser();
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if (!FeatureUtility::CheckFeatureEnabled("api")) {
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ApiSetupUtility::SetupMasterEnableApi();
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} else {
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Log(LogInformation, "cli")
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<< "'api' feature already enabled.\n";
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}
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/* write zones.conf and update with zone + endpoint information */
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Log(LogInformation, "cli", "Generating zone and object configuration.");
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std::vector<String> globalZones { "global-templates", "director-global" };
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std::vector<std::string> setupGlobalZones;
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if (vm.count("global_zones"))
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setupGlobalZones = vm["global_zones"].as<std::vector<std::string> >();
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for (int i = 0; i < setupGlobalZones.size(); i++) {
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if (std::find(globalZones.begin(), globalZones.end(), setupGlobalZones[i]) != globalZones.end()) {
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Log(LogCritical, "cli")
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<< "The global zone '" << setupGlobalZones[i] << "' is already specified.";
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return 1;
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}
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}
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globalZones.insert(globalZones.end(), setupGlobalZones.begin(), setupGlobalZones.end());
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/* Generate master configuration. */
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NodeUtility::GenerateNodeMasterIcingaConfig(endpointName, zoneName, globalZones);
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/* Update the ApiListener config. */
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Log(LogInformation, "cli", "Updating the APIListener feature.");
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String apipath = FeatureUtility::GetFeaturesAvailablePath() + "/api.conf";
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NodeUtility::CreateBackupFile(apipath);
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std::fstream fp;
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String tempApiPath = Utility::CreateTempFile(apipath + ".XXXXXX", 0644, fp);
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fp << "/**\n"
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<< " * The API listener is used for distributed monitoring setups.\n"
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<< " */\n"
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<< "object ApiListener \"api\" {\n";
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if (vm.count("listen")) {
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std::vector<String> tokens = String(vm["listen"].as<std::string>()).Split(",");
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if (tokens.size() > 0)
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fp << " bind_host = \"" << tokens[0] << "\"\n";
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if (tokens.size() > 1)
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fp << " bind_port = " << tokens[1] << "\n";
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}
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fp << "\n";
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if (vm.count("accept-config"))
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fp << " accept_config = true\n";
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else
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fp << " accept_config = false\n";
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if (vm.count("accept-commands"))
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fp << " accept_commands = true\n";
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else
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fp << " accept_commands = false\n";
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fp << "\n"
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<< " ticket_salt = TicketSalt\n"
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<< "}\n";
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fp.close();
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#ifdef _WIN32
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_unlink(apipath.CStr());
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#endif /* _WIN32 */
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if (rename(tempApiPath.CStr(), apipath.CStr()) < 0) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("rename")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(tempApiPath));
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}
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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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NodeUtility::UpdateConstant("NodeName", cn);
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NodeUtility::UpdateConstant("ZoneName", cn);
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String salt = RandomString(16);
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NodeUtility::UpdateConstant("TicketSalt", salt);
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Log(LogInformation, "cli")
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<< "Edit the api feature config file '" << apipath << "' and set a secure 'ticket_salt' attribute.";
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if (vm.count("disable-confd")) {
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/* Disable conf.d inclusion */
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if (NodeUtility::UpdateConfiguration("\"conf.d\"", false, true)) {
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Log(LogInformation, "cli")
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<< "Disabled conf.d inclusion";
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} else {
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Log(LogWarning, "cli")
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<< "Tried to disable conf.d inclusion but failed, possibly it's already disabled.";
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}
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/* Include api-users.conf */
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String apiUsersFilePath = ApiSetupUtility::GetApiUsersConfPath();
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if (Utility::PathExists(apiUsersFilePath)) {
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NodeUtility::UpdateConfiguration("\"conf.d/api-users.conf\"", true, false);
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} else {
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Log(LogWarning, "cli")
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<< "Included file doesn't exist " << apiUsersFilePath;
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}
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}
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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 NodeSetupCommand::SetupNode(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap)
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{
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/* require at least one endpoint. Ticket is optional. */
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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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if (!vm.count("zone")) {
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Log(LogCritical, "cli", "You need to specify the local zone (--zone).");
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return 1;
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}
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/* Deprecation warnings. TODO: Remove in 2.10.0. */
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if (vm.count("master_zone"))
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Log(LogWarning, "cli", "The 'master_zone' parameter has been deprecated. Use 'parent_zone' instead.");
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if (vm.count("master_host"))
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Log(LogWarning, "cli", "The 'master_host' parameter has been deprecated. Use 'parent_host' instead.");
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String ticket;
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if (vm.count("ticket"))
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ticket = vm["ticket"].as<std::string>();
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if (ticket.IsEmpty()) {
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Log(LogInformation, "cli")
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<< "Requesting certificate without a ticket.";
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} else {
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Log(LogInformation, "cli")
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<< "Requesting certificate with ticket '" << ticket << "'.";
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}
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/* Decide whether to directly connect to the parent node for CSR signing, or leave it to the user. */
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bool connectToParent = false;
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String parentHost;
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String parentPort = "5665";
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std::shared_ptr<X509> trustedParentCert;
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/* TODO: remove master_host in 2.10.0. */
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if (!vm.count("master_host") && !vm.count("parent_host")) {
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connectToParent = false;
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Log(LogWarning, "cli")
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<< "Node to master/satellite connection setup skipped. Please configure your parent node to\n"
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<< "connect to this node by setting the 'host' attribute for the node Endpoint object.\n";
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} else {
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connectToParent = true;
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String parentHostInfo;
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if (vm.count("parent_host"))
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parentHostInfo = vm["parent_host"].as<std::string>();
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else if (vm.count("master_host")) /* TODO: Remove in 2.10.0. */
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parentHostInfo = vm["master_host"].as<std::string>();
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std::vector<String> tokens = parentHostInfo.Split(",");
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if (tokens.size() == 1 || tokens.size() == 2)
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parentHost = tokens[0];
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if (tokens.size() == 2)
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parentPort = tokens[1];
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Log(LogInformation, "cli")
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<< "Verifying parent host connection information: host '" << parentHost << "', port '" << parentPort << "'.";
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}
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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 certsDir = ApiListener::GetCertsDir();
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Utility::MkDirP(certsDir, 0700);
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String user = Configuration::RunAsUser;
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String group = Configuration::RunAsGroup;
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if (!Utility::SetFileOwnership(certsDir, user, group)) {
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Log(LogWarning, "cli")
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<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << certsDir << "'. Verify it yourself!";
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}
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String key = certsDir + "/" + cn + ".key";
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String cert = certsDir + "/" + cn + ".crt";
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String ca = certsDir + "/ca.crt";
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if (Utility::PathExists(key))
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NodeUtility::CreateBackupFile(key, true);
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if (Utility::PathExists(cert))
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NodeUtility::CreateBackupFile(cert);
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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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/* fix permissions: root -> icinga daemon user */
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if (!Utility::SetFileOwnership(key, user, group)) {
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Log(LogWarning, "cli")
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<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << key << "'. Verify it yourself!";
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}
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/* Send a signing request to the parent immediately, or leave it to the user. */
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if (connectToParent) {
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/* In contrast to `node wizard` the user must manually fetch
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* the trustedParentCert to prove the trust relationship (fetched with 'pki save-cert').
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*/
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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 parent node (master or satellite)\n"
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<< "(Hint: 'icinga2 pki save-cert --host <masterhost> --port <5665> --key local.key --cert local.crt --trustedcert parent.crt').";
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return 1;
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}
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trustedParentCert = GetX509Certificate(vm["trustedcert"].as<std::string>());
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Log(LogInformation, "cli")
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<< "Verifying trusted certificate file '" << vm["trustedcert"].as<std::string>() << "'.";
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Log(LogInformation, "cli", "Requesting a signed certificate from the parent Icinga node.");
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if (PkiUtility::RequestCertificate(parentHost, parentPort, key, cert, ca, trustedParentCert, ticket) > 0) {
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Log(LogCritical, "cli")
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<< "Failed to fetch signed certificate from parent Icinga node '"
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<< parentHost << ", "
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<< parentPort << "'. Please try again.";
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return 1;
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}
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} else {
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/* We cannot retrieve the parent certificate.
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* Tell the user to manually copy the ca.crt file
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* into DataDir + "/certs"
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*/
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Log(LogWarning, "cli")
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<< "\nNo connection to the parent node was specified.\n\n"
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<< "Please copy the public CA certificate from your master/satellite\n"
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<< "into '" << ca << "' before starting Icinga 2.\n";
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if (Utility::PathExists(ca)) {
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Log(LogInformation, "cli")
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<< "\nFound public CA certificate in '" << ca << "'.\n"
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<< "Please verify that it is the same as on your master/satellite.\n";
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}
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}
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if (!Utility::SetFileOwnership(ca, user, group)) {
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Log(LogWarning, "cli")
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<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << ca << "'. Verify it yourself!";
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}
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/* fix permissions (again) when updating the signed certificate */
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if (!Utility::SetFileOwnership(cert, user, group)) {
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Log(LogWarning, "cli")
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<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << cert << "'. Verify it yourself!";
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}
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/* disable the notifications feature */
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Log(LogInformation, "cli", "Disabling the Notification feature.");
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FeatureUtility::DisableFeatures({ "notification" });
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/* enable the ApiListener config */
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Log(LogInformation, "cli", "Updating the ApiListener feature.");
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FeatureUtility::EnableFeatures({ "api" });
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String apipath = FeatureUtility::GetFeaturesAvailablePath() + "/api.conf";
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NodeUtility::CreateBackupFile(apipath);
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std::fstream fp;
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String tempApiPath = Utility::CreateTempFile(apipath + ".XXXXXX", 0644, fp);
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fp << "/**\n"
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<< " * The API listener is used for distributed monitoring setups.\n"
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<< " */\n"
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<< "object ApiListener \"api\" {\n";
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if (vm.count("listen")) {
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std::vector<String> tokens = String(vm["listen"].as<std::string>()).Split(",");
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if (tokens.size() > 0)
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fp << " bind_host = \"" << tokens[0] << "\"\n";
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if (tokens.size() > 1)
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fp << " bind_port = " << tokens[1] << "\n";
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}
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fp << "\n";
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if (vm.count("accept-config"))
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fp << " accept_config = true\n";
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else
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fp << " accept_config = false\n";
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if (vm.count("accept-commands"))
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fp << " accept_commands = true\n";
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else
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fp << " accept_commands = false\n";
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fp << "\n"
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<< "}\n";
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fp.close();
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#ifdef _WIN32
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_unlink(apipath.CStr());
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#endif /* _WIN32 */
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if (rename(tempApiPath.CStr(), apipath.CStr()) < 0) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("rename")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(tempApiPath));
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}
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/* Generate zones configuration. */
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Log(LogInformation, "cli", "Generating zone and object configuration.");
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/* Setup command hardcodes this as FQDN */
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String endpointName = cn;
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/* Allow to specify zone name. */
|
|
String zoneName = vm["zone"].as<std::string>();
|
|
|
|
/* Allow to specify the parent zone name. */
|
|
String parentZoneName = "master";
|
|
|
|
if (vm.count("parent_zone"))
|
|
parentZoneName = vm["parent_zone"].as<std::string>();
|
|
|
|
std::vector<String> globalZones { "global-templates", "director-global" };
|
|
std::vector<std::string> setupGlobalZones;
|
|
|
|
if (vm.count("global_zones"))
|
|
setupGlobalZones = vm["global_zones"].as<std::vector<std::string> >();
|
|
|
|
for (int i = 0; i < setupGlobalZones.size(); i++) {
|
|
if (std::find(globalZones.begin(), globalZones.end(), setupGlobalZones[i]) != globalZones.end()) {
|
|
Log(LogCritical, "cli")
|
|
<< "The global zone '" << setupGlobalZones[i] << "' is already specified.";
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
globalZones.insert(globalZones.end(), setupGlobalZones.begin(), setupGlobalZones.end());
|
|
|
|
/* Generate node configuration. */
|
|
NodeUtility::GenerateNodeIcingaConfig(endpointName, zoneName, parentZoneName, vm["endpoint"].as<std::vector<std::string> >(), globalZones);
|
|
|
|
/* update constants.conf with NodeName = CN */
|
|
if (cn != Utility::GetFQDN()) {
|
|
Log(LogWarning, "cli")
|
|
<< "CN '" << cn << "' does not match the default FQDN '" << Utility::GetFQDN() << "'. Requires an update for the NodeName constant in constants.conf!";
|
|
}
|
|
|
|
NodeUtility::UpdateConstant("NodeName", cn);
|
|
NodeUtility::UpdateConstant("ZoneName", vm["zone"].as<std::string>());
|
|
|
|
if (!ticket.IsEmpty()) {
|
|
String ticketPath = ApiListener::GetCertsDir() + "/ticket";
|
|
|
|
String tempTicketPath = Utility::CreateTempFile(ticketPath + ".XXXXXX", 0600, fp);
|
|
|
|
if (!Utility::SetFileOwnership(tempTicketPath, user, group)) {
|
|
Log(LogWarning, "cli")
|
|
<< "Cannot set ownership for user '" << user
|
|
<< "' group '" << group
|
|
<< "' on file '" << tempTicketPath << "'. Verify it yourself!";
|
|
}
|
|
|
|
fp << ticket;
|
|
|
|
fp.close();
|
|
|
|
#ifdef _WIN32
|
|
_unlink(ticketPath.CStr());
|
|
#endif /* _WIN32 */
|
|
|
|
if (rename(tempTicketPath.CStr(), ticketPath.CStr()) < 0) {
|
|
BOOST_THROW_EXCEPTION(posix_error()
|
|
<< boost::errinfo_api_function("rename")
|
|
<< boost::errinfo_errno(errno)
|
|
<< boost::errinfo_file_name(tempTicketPath));
|
|
}
|
|
}
|
|
|
|
/* If no parent connection was made, the user must supply the ca.crt before restarting Icinga 2.*/
|
|
if (!connectToParent) {
|
|
Log(LogWarning, "cli")
|
|
<< "No connection to the parent node was specified.\n\n"
|
|
<< "Please copy the public CA certificate from your master/satellite\n"
|
|
<< "into '" << ca << "' before starting Icinga 2.\n";
|
|
} else {
|
|
Log(LogInformation, "cli", "Make sure to restart Icinga 2.");
|
|
}
|
|
|
|
if (vm.count("disable-confd")) {
|
|
/* Disable conf.d inclusion */
|
|
NodeUtility::UpdateConfiguration("\"conf.d\"", false, true);
|
|
}
|
|
|
|
/* tell the user to reload icinga2 */
|
|
Log(LogInformation, "cli", "Make sure to restart Icinga 2.");
|
|
|
|
return 0;
|
|
}
|