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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "remote/configstageshandler.hpp"
#include "remote/configpackageutility.hpp"
#include "remote/httputility.hpp"
#include "remote/filterutility.hpp"
#include "base/application.hpp"
#include "base/defer.hpp"
#include "base/exception.hpp"
using namespace icinga;
REGISTER_URLHANDLER("/v1/config/stages", ConfigStagesHandler);
std::atomic<bool> ConfigStagesHandler::m_RunningPackageUpdates (false);
bool ConfigStagesHandler::HandleRequest(
AsioTlsStream& stream,
const ApiUser::Ptr& user,
boost::beast::http::request<boost::beast::http::string_body>& request,
const Url::Ptr& url,
boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params,
boost::asio::yield_context& yc,
HttpServerConnection& server
)
{
namespace http = boost::beast::http;
if (url->GetPath().size() > 5)
return false;
if (request.method() == http::verb::get)
HandleGet(user, request, url, response, params);
else if (request.method() == http::verb::post)
HandlePost(user, request, url, response, params);
else if (request.method() == http::verb::delete_)
HandleDelete(user, request, url, response, params);
else
return false;
return true;
}
void ConfigStagesHandler::HandleGet(
const ApiUser::Ptr& user,
boost::beast::http::request<boost::beast::http::string_body>& request,
const Url::Ptr& url,
boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params
)
{
namespace http = boost::beast::http;
FilterUtility::CheckPermission(user, "config/query");
if (url->GetPath().size() >= 4)
params->Set("package", url->GetPath()[3]);
if (url->GetPath().size() >= 5)
params->Set("stage", url->GetPath()[4]);
String packageName = HttpUtility::GetLastParameter(params, "package");
String stageName = HttpUtility::GetLastParameter(params, "stage");
if (!ConfigPackageUtility::ValidatePackageName(packageName))
return HttpUtility::SendJsonError(response, params, 400, "Invalid package name '" + packageName + "'.");
if (!ConfigPackageUtility::ValidateStageName(stageName))
return HttpUtility::SendJsonError(response, params, 400, "Invalid stage name '" + stageName + "'.");
ArrayData results;
std::vector<std::pair<String, bool> > paths = ConfigPackageUtility::GetFiles(packageName, stageName);
String prefixPath = ConfigPackageUtility::GetPackageDir() + "/" + packageName + "/" + stageName + "/";
for (const auto& kv : paths) {
results.push_back(new Dictionary({
{ "type", kv.second ? "directory" : "file" },
{ "name", kv.first.SubStr(prefixPath.GetLength()) }
}));
}
Dictionary::Ptr result = new Dictionary({
{ "results", new Array(std::move(results)) }
});
response.result(http::status::ok);
HttpUtility::SendJsonBody(response, params, result);
}
void ConfigStagesHandler::HandlePost(
const ApiUser::Ptr& user,
boost::beast::http::request<boost::beast::http::string_body>& request,
const Url::Ptr& url,
boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params
)
{
namespace http = boost::beast::http;
FilterUtility::CheckPermission(user, "config/modify");
if (url->GetPath().size() >= 4)
params->Set("package", url->GetPath()[3]);
String packageName = HttpUtility::GetLastParameter(params, "package");
if (!ConfigPackageUtility::ValidatePackageName(packageName))
return HttpUtility::SendJsonError(response, params, 400, "Invalid package name '" + packageName + "'.");
bool reload = true;
if (params->Contains("reload"))
reload = HttpUtility::GetLastParameter(params, "reload");
bool activate = true;
if (params->Contains("activate"))
activate = HttpUtility::GetLastParameter(params, "activate");
Dictionary::Ptr files = params->Get("files");
String stageName;
try {
if (!files)
BOOST_THROW_EXCEPTION(std::invalid_argument("Parameter 'files' must be specified."));
if (reload && !activate)
BOOST_THROW_EXCEPTION(std::invalid_argument("Parameter 'reload' must be false when 'activate' is false."));
if (m_RunningPackageUpdates.exchange(true)) {
return HttpUtility::SendJsonError(response, params, 423,
"Conflicting request, there is already an ongoing package update in progress. Please try it again later.");
}
auto resetPackageUpdates (Shared<Defer>::Make([]() { ConfigStagesHandler::m_RunningPackageUpdates.store(false); }));
std::unique_lock<std::mutex> lock(ConfigPackageUtility::GetStaticPackageMutex());
stageName = ConfigPackageUtility::CreateStage(packageName, files);
/* validate the config. on success, activate stage and reload */
ConfigPackageUtility::AsyncTryActivateStage(packageName, stageName, activate, reload, resetPackageUpdates);
} catch (const std::exception& ex) {
return HttpUtility::SendJsonError(response, params, 500,
"Stage creation failed.",
DiagnosticInformation(ex));
}
String responseStatus = "Created stage. ";
if (reload)
responseStatus += "Reload triggered.";
else
responseStatus += "Reload skipped.";
Dictionary::Ptr result1 = new Dictionary({
{ "package", packageName },
{ "stage", stageName },
{ "code", 200 },
{ "status", responseStatus }
});
Dictionary::Ptr result = new Dictionary({
{ "results", new Array({ result1 }) }
});
response.result(http::status::ok);
HttpUtility::SendJsonBody(response, params, result);
}
void ConfigStagesHandler::HandleDelete(
const ApiUser::Ptr& user,
boost::beast::http::request<boost::beast::http::string_body>& request,
const Url::Ptr& url,
boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params
)
{
namespace http = boost::beast::http;
FilterUtility::CheckPermission(user, "config/modify");
if (url->GetPath().size() >= 4)
params->Set("package", url->GetPath()[3]);
if (url->GetPath().size() >= 5)
params->Set("stage", url->GetPath()[4]);
String packageName = HttpUtility::GetLastParameter(params, "package");
String stageName = HttpUtility::GetLastParameter(params, "stage");
if (!ConfigPackageUtility::ValidatePackageName(packageName))
return HttpUtility::SendJsonError(response, params, 400, "Invalid package name '" + packageName + "'.");
if (!ConfigPackageUtility::ValidateStageName(stageName))
return HttpUtility::SendJsonError(response, params, 400, "Invalid stage name '" + stageName + "'.");
try {
ConfigPackageUtility::DeleteStage(packageName, stageName);
} catch (const std::exception& ex) {
return HttpUtility::SendJsonError(response, params, 500,
"Failed to delete stage '" + stageName + "' in package '" + packageName + "'.",
DiagnosticInformation(ex));
}
Dictionary::Ptr result1 = new Dictionary({
{ "code", 200 },
{ "package", packageName },
{ "stage", stageName },
{ "status", "Stage deleted." }
});
Dictionary::Ptr result = new Dictionary({
{ "results", new Array({ result1 }) }
});
response.result(http::status::ok);
HttpUtility::SendJsonBody(response, params, result);
}
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