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// Copyright (C) 2018-2021 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <netconf/netconf_cfg_mgr.h>
#include <netconf/netconf_log.h>
#include <netconf/simple_parser.h>
#include <cc/simple_parser.h>
#include <cc/command_interpreter.h>
#include <exceptions/exceptions.h>
using namespace isc::config;
using namespace isc::dhcp;
using namespace isc::process;
using namespace isc::data;
namespace isc {
namespace netconf {
NetconfConfig::NetconfConfig()
: configured_globals_(Element::createMap()),
servers_map_(new CfgServersMap()) {
}
NetconfConfig::NetconfConfig(const NetconfConfig& orig)
: ConfigBase(), configured_globals_(orig.configured_globals_),
servers_map_(orig.servers_map_), hooks_config_(orig.hooks_config_) {
}
void
NetconfConfig::extractConfiguredGlobals(ConstElementPtr config) {
if (config->getType() != Element::map) {
isc_throw(BadValue,
"extractConfiguredGlobals must be given a map element");
}
const std::map<std::string, ConstElementPtr>& values = config->mapValue();
for (auto value = values.begin(); value != values.end(); ++value) {
if (value->second->getType() != Element::list &&
value->second->getType() != Element::map) {
addConfiguredGlobal(value->first, value->second);
}
}
}
NetconfCfgMgr::NetconfCfgMgr()
: DCfgMgrBase(ConfigPtr(new NetconfConfig())) {
}
std::string
NetconfCfgMgr::getConfigSummary(const uint32_t /*selection*/) {
NetconfConfigPtr ctx = getNetconfConfig();
// No globals to print.
std::ostringstream s;
// Then print managed servers.
for (auto serv : *ctx->getCfgServersMap()) {
if (s.tellp() != 0) {
s << " ";
}
s << serv.first;
}
if (s.tellp() == 0) {
s << "none";
}
// Finally, print the hook libraries names
const isc::hooks::HookLibsCollection libs = ctx->getHooksConfig().get();
s << ", " << libs.size() << " lib(s):";
for (auto lib = libs.begin(); lib != libs.end(); ++lib) {
s << lib->first << " ";
}
return (s.str());
}
ConfigPtr
NetconfCfgMgr::createNewContext() {
return (ConfigPtr(new NetconfConfig()));
}
isc::data::ConstElementPtr
NetconfCfgMgr::parse(isc::data::ConstElementPtr config_set,
bool check_only) {
// Do a sanity check first.
if (!config_set) {
isc_throw(ConfigError, "Mandatory config parameter not provided");
}
NetconfConfigPtr ctx = getNetconfConfig();
// Preserve all scalar global parameters.
ctx->extractConfiguredGlobals(config_set);
// Set the defaults and derive parameters.
ElementPtr cfg = boost::const_pointer_cast<Element>(config_set);
NetconfSimpleParser::setAllDefaults(cfg);
NetconfSimpleParser::deriveParameters(cfg);
// And parse the configuration.
ConstElementPtr answer;
std::string excuse;
try {
// Do the actual parsing
NetconfSimpleParser parser;
parser.parse(ctx, cfg, check_only);
} catch (const isc::Exception& ex) {
excuse = ex.what();
answer = createAnswer(CONTROL_RESULT_ERROR, excuse);
} catch (...) {
excuse = "undefined configuration parsing error";
answer = createAnswer(CONTROL_RESULT_ERROR, excuse);
}
// At this stage the answer was created only in case of exception.
if (answer) {
if (check_only) {
LOG_ERROR(netconf_logger, NETCONF_CONFIG_CHECK_FAIL).arg(excuse);
} else {
LOG_ERROR(netconf_logger, NETCONF_CONFIG_FAIL).arg(excuse);
}
return (answer);
}
if (check_only) {
answer = createAnswer(CONTROL_RESULT_SUCCESS,
"Configuration check successful");
} else {
answer = createAnswer(CONTROL_RESULT_SUCCESS,
"Configuration applied successfully.");
}
return (answer);
}
ElementPtr
NetconfConfig::toElement() const {
ElementPtr netconf = ConfigBase::toElement();
// Set user-context
contextToElement(netconf);
// Add in explicitly configured globals.
netconf->setValue(configured_globals_->mapValue());
// Set hooks-libraries
netconf->set("hooks-libraries", hooks_config_.toElement());
// Set managed-servers
ElementPtr servers = Element::createMap();
for (auto serv : *servers_map_) {
ConstElementPtr server = serv.second->toElement();
servers->set(serv.first, server);
}
netconf->set("managed-servers", servers);
// Set Netconf
ElementPtr result = Element::createMap();
result->set("Netconf", netconf);
return (result);
}
std::list<std::list<std::string>>
NetconfCfgMgr::jsonPathsToRedact() const {
static std::list<std::list<std::string>> const list({
{"hooks-libraries", "[]", "parameters", "*"},
});
return list;
}
} // namespace isc::netconf
} // namespace isc
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