icinga2/lib/cli/objectlistcommand.cpp

146 lines
3.7 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "cli/objectlistcommand.hpp"
#include "cli/objectlistutility.hpp"
#include "base/logger.hpp"
#include "base/application.hpp"
#include "base/convert.hpp"
#include "base/configobject.hpp"
#include "base/configtype.hpp"
#include "base/json.hpp"
#include "base/netstring.hpp"
#include "base/stdiostream.hpp"
#include "base/debug.hpp"
#include "base/objectlock.hpp"
#include "base/console.hpp"
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <fstream>
#include <iostream>
#include <iomanip>
#include <sys/stat.h>
using namespace icinga;
namespace po = boost::program_options;
REGISTER_CLICOMMAND("object/list", ObjectListCommand);
String ObjectListCommand::GetDescription() const
{
return "Lists all Icinga 2 objects.";
}
String ObjectListCommand::GetShortDescription() const
{
return "lists all objects";
}
void ObjectListCommand::InitParameters(boost::program_options::options_description& visibleDesc,
boost::program_options::options_description& hiddenDesc) const
{
visibleDesc.add_options()
("count,c", "display object counts by types")
("name,n", po::value<std::string>(), "filter by name matches")
("type,t", po::value<std::string>(), "filter by type matches");
}
static time_t GetCtime(const String& path)
{
#ifdef _WIN32
struct _stat statbuf;
int rc = _stat(path.CStr(), &statbuf);
#else /* _WIN32 */
struct stat statbuf;
int rc = stat(path.CStr(), &statbuf);
#endif /* _WIN32 */
return rc ? 0 : statbuf.st_ctime;
}
/**
* The entry point for the "object list" CLI command.
*
* @returns An exit status.
*/
int ObjectListCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
{
String objectfile = Configuration::ObjectsPath;
if (!Utility::PathExists(objectfile)) {
Log(LogCritical, "cli")
<< "Cannot open objects file '" << Configuration::ObjectsPath << "'.";
Log(LogCritical, "cli", "Run 'icinga2 daemon -C --dump-objects' to validate config and generate the cache file.");
return 1;
}
std::fstream fp;
fp.open(objectfile.CStr(), std::ios_base::in);
StdioStream::Ptr sfp = new StdioStream(&fp, false);
unsigned long objects_count = 0;
std::map<String, int> type_count;
String name_filter, type_filter;
if (vm.count("name"))
name_filter = vm["name"].as<std::string>();
if (vm.count("type"))
type_filter = vm["type"].as<std::string>();
bool first = true;
String message;
StreamReadContext src;
for (;;) {
StreamReadStatus srs = NetString::ReadStringFromStream(sfp, &message, src);
if (srs == StatusEof)
break;
if (srs != StatusNewItem)
continue;
ObjectListUtility::PrintObject(std::cout, first, message, type_count, name_filter, type_filter);
objects_count++;
}
sfp->Close();
fp.close();
if (vm.count("count")) {
if (!first)
std::cout << "\n";
PrintTypeCounts(std::cout, type_count);
std::cout << "\n";
}
Log(LogNotice, "cli")
<< "Parsed " << objects_count << " objects.";
auto objectsPathCtime (GetCtime(Configuration::ObjectsPath));
auto varsPathCtime (GetCtime(Configuration::VarsPath));
if (objectsPathCtime < varsPathCtime) {
Log(LogWarning, "cli")
<< "This data is " << Utility::FormatDuration(varsPathCtime - objectsPathCtime)
<< " older than the last Icinga config (re)load. It may be outdated. Consider running 'icinga2 daemon -C --dump-objects' first.";
}
return 0;
}
void ObjectListCommand::PrintTypeCounts(std::ostream& fp, const std::map<String, int>& type_count)
{
typedef std::map<String, int>::value_type TypeCount;
for (const TypeCount& kv : type_count) {
fp << "Found " << kv.second << " " << kv.first << " object";
if (kv.second != 1)
fp << "s";
fp << ".\n";
}
}