Initial commit

.clang-format

+BasedOnStyle: LLVM                                          # LLVM, Google, Chromium, Mozilla, WebKit
+AccessModifierOffset: -4
+AlignEscapedNewlinesLeft: true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false                     # None(false), Inline, All(true)
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: false
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackParameters: true
+BreakBeforeBinaryOperators: NonAssignment                   # None, NonAssignment, All
+BreakBeforeBraces: Custom                                   # Attach, Linux, Stroustrup, Allman, GNU
+BraceWrapping:
+    AfterClass: true
+    AfterControlStatement: false
+    AfterEnum: true
+    AfterFunction: true
+    AfterNamespace: true
+    AfterStruct: true
+    AfterUnion: true
+    AfterExternBlock: false
+    BeforeCatch: true
+    BeforeElse: false
+    IndentBraces: false
+    SplitEmptyFunction: false
+    SplitEmptyNamespace: true
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: true
+ColumnLimit: 100
+# CommentPragmas
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 2
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: true
+# ForEachMacros
+IndentCaseLabels: false
+IndentWidth: 4
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language: Cpp                                               # None, Cpp, JavaScript, Proto
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: Inner                                 # None, Inner, All
+# ObjCSpaceAfterProperty
+# ObjCSpaceBeforeProtocolList
+#// PenaltyBreakBeforeFirstCallParameter
+#// PenaltyBreakComment
+#// PenaltyBreakFirstLessLess
+#// PenaltyBreakString
+#// PenaltyExcessCharacter
+#// PenaltyReturnTypeOnItsOwnLine:
+PointerAlignment: Left                                     # Left, Right, Middle
+SpaceAfterCStyleCast: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements                       # Never, ControlStatements, Always
+# SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp11                                             # Cpp03, Cpp11, Auto
+TabWidth: 4
+UseTab: ForIndentation                                      # Never(false), ForIndentation, Always(true)

.gitignore

+/.vscode
+/build

.gitmodules

+[submodule "3rdparty/json"]
+	path = 3rdparty/json
+	url = https://github.com/nlohmann/json.git

3rdparty/CMakeLists.txt

+#add_subdirectory(json)

json @ a015b78e

+Subproject commit a015b78e81c859b88840cb0cd4001ce1fe5e7865

CMakeLists.txt

+cmake_minimum_required(VERSION 3.0)
+project(icinga-ampel LANGUAGES C CXX VERSION 1.0)
+
+find_package(CURL REQUIRED)
+
+#find_package(cgreen REQUIRED)
+#enable_testing(true)
+#
+#set(REQUIRED_TEST_TARGETS "")
+#
+#macro(make_test name file)
+#add_executable(test_${name}_runner
+#	${file}
+#)
+#target_include_directories(test_${name}_runner
+#	PUBLIC
+#	${PROJECT_SOURCE_DIR}
+#	${PROJECT_SOURCE_DIR}/src
+#	${PROJECT_SOURCE_DIR}/test
+#)
+#target_link_libraries(test_${name}_runner
+#	# TODO
+#	cgreen
+#)
+#add_test(NAME test_${name}
+#	COMMAND ./test_${name}_runner
+#	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+#)
+#set(${REQUIRED_TEST_TARGETS} ${REQUIRED_TEST_TARGETS} test_${name}_runner)
+#endmacro()
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED true)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror")
+
+add_subdirectory(3rdparty)
+
+add_subdirectory(src)
+#add_subdirectory(test)
+#
+#add_custom_target(check
+#	COMMAND ${CMAKE_CTEST_COMMAND}
+#	DEPENDS ${REQUIRED_TEST_TARGETS}
+#)

compile_commands.json

+[
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -o CMakeFiles/icinga-ampel.dir/main.cpp.o -c /home/adrian/nfs/Atom/icinga-ampel/src/main.cpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/src/main.cpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/json.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/json.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/adl_serializer.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/adl_serializer.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/from_json.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/from_json.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/exceptions.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/exceptions.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/position_t.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/position_t.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/macro_scope.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/macro_scope.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/thirdparty/hedley/hedley.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/thirdparty/hedley/hedley.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/cpp_future.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/cpp_future.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/type_traits.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/type_traits.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iterator_traits.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iterator_traits.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/void_t.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/void_t.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/detected.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/detected.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/json_fwd.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/json_fwd.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/value_t.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/value_t.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/to_json.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/to_json.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iteration_proxy.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iteration_proxy.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/binary_reader.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/binary_reader.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/input_adapters.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/input_adapters.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/json_sax.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/json_sax.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/is_sax.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/meta/is_sax.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/lexer.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/lexer.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/parser.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/input/parser.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/internal_iterator.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/internal_iterator.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/primitive_iterator.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/primitive_iterator.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iter_impl.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/iter_impl.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/json_reverse_iterator.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/iterators/json_reverse_iterator.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/json_pointer.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/json_pointer.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/json_ref.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/json_ref.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/binary_writer.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/binary_writer.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/output_adapters.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/output_adapters.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/serializer.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/output/serializer.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/to_chars.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/conversions/to_chars.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/macro_unscope.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/detail/macro_unscope.hpp"
+},
+
+{
+  "directory": "/home/adrian/nfs/Atom/icinga-ampel/build/src",
+  "command": "/usr/bin/c++ -I/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include -Wall -Werror -std=gnu++14 -c /home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/thirdparty/hedley/hedley_undef.hpp",
+  "file": "/home/adrian/nfs/Atom/icinga-ampel/3rdparty/json/include/nlohmann/thirdparty/hedley/hedley_undef.hpp"
+}
+]

project.cson

+{
+    title: 'icinga-ampel'
+    group: 'icinga'
+    paths: [
+        '/home/adrian/Atom/icinga-ampel'
+        '/home/adrian/nfs/Atom/icinga-ampel'
+    ]
+    devMode: false
+    settings:
+        'editor.tabLength': 4
+}

src/CMakeLists.txt

+add_executable(icinga-ampel
+    main.cpp
+)
+target_include_directories(icinga-ampel
+    PUBLIC
+        ${PROJECT_SOURCE_DIR}/3rdparty/json/include
+)
+target_link_libraries(icinga-ampel
+    PUBLIC
+        curl
+)

src/main.cpp

+/*
+ * Copyright (C) 2019 Adrian "nex" Schollmeyer <adrian.schollmeyer@fem.tu-ilmenau.de>
+ */
+
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <tuple>
+#include <unordered_map>
+
+#include <nlohmann/json.hpp>
+
+#include <curl/curl.h>
+
+namespace
+{
+constexpr const char* HOST_INFO_URL =
+  "https://localhost:5665/v1/objects/"
+  "hosts?attrs=acknowledgement&attrs=last_check_result&attrs=vars";
+constexpr const char* SERVICE_INFO_URL =
+  "https://localhost:5665/v1/objects/"
+  "services?attrs=acknowledgement&attrs=last_check_result&attrs=vars";
+constexpr bool SKIP_CERT_VERIFICATION = true;
+
+constexpr float THRESHOLD_WARNING = 99.f;
+constexpr float THRESHOLD_CRITICAL = 98.f;
+
+constexpr int RETURN_OK = 0;
+constexpr int RETURN_WARNING = 1;
+constexpr int RETURN_CRITICAL = 2;
+constexpr int RETURN_UNKNOWN = 3;
+
+constexpr int MAX_RETURN_VALUE = 2;
+
+constexpr const char* USER_PWD = "ampel:asdf";
+
+std::ostringstream output_buf;
+
+using json = nlohmann::json;
+using health_data_t = std::tuple<int, int>;
+using health_data_map_t = std::unordered_map<int, health_data_t>;
+} // namespace
+
+void print_plugin_output(int return_code, std::string status_message)
+{
+	switch (return_code) {
+	case RETURN_OK:
+		std::cout << "Ampel GRUEN - " << status_message << std::endl;
+		break;
+	case RETURN_WARNING:
+		std::cout << "Ampel GELB - " << status_message << std::endl;
+		break;
+	case RETURN_CRITICAL:
+		std::cout << "Ampel ROT - " << status_message << std::endl;
+		break;
+	default:
+		std::cout << "Ampel UNKNOWN - " << status_message << std::endl;
+		break;
+	}
+}
+
+void print_health(int return_code, float health)
+{
+	std::string health_as_str = std::to_string(health);
+	print_plugin_output(return_code, "Health " + health_as_str + " | health=" + health_as_str + "%;"
+	                                   + std::to_string(THRESHOLD_WARNING) + ":;"
+	                                   + std::to_string(THRESHOLD_CRITICAL) + ":;0;100");
+}
+
+#ifndef NDEBUG
+void print_debug(std::string message)
+{
+	std::clog << message;
+}
+#else
+inline void print_debug(std::string message)
+{}
+#endif
+
+void parse_result(health_data_map_t& output, const std::string& raw_data)
+{
+	json data = json::parse(raw_data);
+	auto results = data["results"];
+
+	for (auto& object : results) {
+		if (object["attrs"]["acknowledgement"] > 0
+		    || (object["attrs"]["vars"]["ampel_disable"] != nullptr
+		        && object["attrs"]["vars"]["ampel_disable"])) {
+			continue;
+		}
+
+		int ampel_group{0};
+		if (object["attrs"]["vars"]["ampel_group"] > 0) {
+			ampel_group = static_cast<int>(object["attrs"]["vars"]["ampel_group"]);
+		}
+
+		int last_result = object["attrs"]["last_check_result"]["exit_status"];
+
+		auto target_it = output.find(ampel_group);
+		if (target_it == output.end()) {
+			output.insert(
+			  {ampel_group,
+			   {MAX_RETURN_VALUE - std::min(last_result, MAX_RETURN_VALUE), MAX_RETURN_VALUE}});
+		} else {
+			target_it->second = {std::get<0>(target_it->second) + MAX_RETURN_VALUE - last_result,
+			                     std::get<1>(target_it->second) + MAX_RETURN_VALUE};
+		}
+	}
+}
+
+size_t write_memory_cb(void* content, size_t size, size_t n_memb, void* userdata)
+{
+	size_t real_size = size * n_memb;
+
+	std::string content_str{reinterpret_cast<char*>(content), real_size};
+	output_buf << content_str;
+
+	return real_size;
+}
+
+int main(int argc, char** argv)
+{
+	print_debug("Initializing cURL\n");
+
+	CURL* curl;
+	CURLcode res;
+
+	curl = curl_easy_init();
+
+	if (!curl) {
+		print_plugin_output(RETURN_UNKNOWN, "Failed to initialize cURL");
+		return RETURN_UNKNOWN;
+	}
+
+	print_debug("Setting cURL opts\n");
+	curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_memory_cb);
+	curl_easy_setopt(curl, CURLOPT_USERPWD, USER_PWD);
+	curl_easy_setopt(curl, CURLOPT_URL, HOST_INFO_URL);
+	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, (SKIP_CERT_VERIFICATION ? 0l : 1l));
+	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, (SKIP_CERT_VERIFICATION ? 0l : 1l));
+
+	health_data_map_t health_data;
+
+	print_debug("Performing cURL request\n");
+	res = curl_easy_perform(curl);
+	if (res != CURLE_OK) {
+		print_plugin_output(RETURN_UNKNOWN, std::string("Failed to perform cURL request: ")
+		                                      + curl_easy_strerror(res));
+		curl_easy_cleanup(curl);
+		return RETURN_UNKNOWN;
+	}
+
+	parse_result(health_data, output_buf.str());
+	output_buf = std::ostringstream();
+
+	curl_easy_setopt(curl, CURLOPT_URL, SERVICE_INFO_URL);
+	print_debug("Performing cURL request\n");
+	res = curl_easy_perform(curl);
+	if (res != CURLE_OK) {
+		print_plugin_output(RETURN_UNKNOWN, std::string("Failed to perfor cURL request: ")
+		                                      + curl_easy_strerror(res));
+		return RETURN_UNKNOWN;
+	}
+
+	parse_result(health_data, output_buf.str());
+
+	float min_health{1.f};
+
+	for (auto& health : health_data) {
+		float this_health = std::get<0>(health.second) * 1.f / std::get<1>(health.second);
+		if (this_health < min_health) {
+			min_health = this_health;
+		}
+	}
+
+	print_debug("Performing global cleanup\n");
+	curl_global_cleanup();
+
+	float health = min_health * 100.f;
+
+	if (health < THRESHOLD_CRITICAL) {
+		print_health(RETURN_CRITICAL, health);
+		return RETURN_CRITICAL;
+	} else if (health < THRESHOLD_WARNING) {
+		print_health(RETURN_WARNING, health);
+		return RETURN_WARNING;
+	} else {
+		print_health(RETURN_OK, health);
+		return RETURN_OK;
+	}
+
+	print_plugin_output(RETURN_UNKNOWN, "No data parsed.");
+	return RETURN_UNKNOWN;
+}