Add deb/rpm/nuget packaging code, update histogram boundaries from list to vector

exporters/geneva/CMakeLists.txt

@@ -5,7 +5,6 @@ cmake_minimum_required(VERSION 3.12)
 #
 set(MAIN_PROJECT OFF)
 
-set(MAIN_PROJECT OFF)
 if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
   project(opentelemetry-geneva-metrics)
   set(MAIN_PROJECT ON)
@@ -22,13 +21,18 @@ include_directories(include)
 # create geneva metrics exporter
 add_library(opentelemetry_exporter_geneva_metrics
             src/exporter.cc src/unix_domain_socket_data_transport.cc)
-target_include_directories(opentelemetry_exporter_geneva_metrics
-                           PRIVATE ${OPENTELEMETRY_CPP_INCLUDE_DIRS})
-target_link_libraries(opentelemetry_exporter_geneva_metrics
+
+if(MAIN_PROJECT)
+   target_include_directories(opentelemetry_exporter_geneva_metrics
+                      PRIVATE ${OPENTELEMETRY_CPP_INCLUDE_DIRS})
+   target_link_libraries(opentelemetry_exporter_geneva_metrics
                       PUBLIC ${OPENTELEMETRY_CPP_LIBRARIES})
+else()
+   target_link_libraries(opentelemetry_exporter_geneva_metrics
+                      PUBLIC opentelemetry_metrics opentelemetry_resources opentelemetry_common)
+endif()
 set_target_properties(opentelemetry_exporter_geneva_metrics
                       PROPERTIES EXPORT_NAME metrics)
-
 if(BUILD_TESTING)
   if(EXISTS ${CMAKE_BINARY_DIR}/lib/libgtest.a)
     # Prefer GTest from build tree. GTest is not always working with
@@ -81,3 +85,7 @@ if(BUILD_EXAMPLE)
                                  example/foo_library.cc)
   target_link_libraries(example_metrics opentelemetry_exporter_geneva_metrics)
 endif()
+if(MAIN_PROJECT AND BUILD_PACKAGE)
+  include(cmake/package.cmake)
+  include(CPack)
+endif()

exporters/geneva/cmake/ParseOsRelease.cmake

@@ -0,0 +1,22 @@
+# Parse /etc/os-release to determine Linux distro
+
+if(EXISTS /etc/os-release)
+file(STRINGS /etc/os-release OS_RELEASE)
+foreach(NameAndValue ${OS_RELEASE})
+  # Strip leading spaces
+  string(REGEX REPLACE "^[ ]+" "" NameAndValue ${NameAndValue})
+  # Find variable name
+  string(REGEX MATCH "^[^=]+" Name ${NameAndValue})
+  # Find the value
+  string(REPLACE "${Name}=" "" Value ${NameAndValue})
+  # Strip quotes from value
+  string(REPLACE "\"" "" Value ${Value})
+  # Set the variable
+  message("-- /etc/os-release : ${Name}=${Value}")
+  set("OS_RELEASE_${Name}" "${Value}")
+endforeach()
+else()
+  set("OS_RELEASE_NAME" ${CMAKE_SYSTEM_NAME})
+  set("OS_RELEASE_ID" ${CMAKE_SYSTEM_NAME})
+  set("OS_RELEASE_VERSION_ID" "1.0")
+endif()

exporters/geneva/cmake/package.cmake

@@ -0,0 +1,71 @@
+set(CPACK_PACKAGE_DESCRIPTION "OpenTelemetry C++ Geneva Exporter for Metrics")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "OpenTelemetry C++ Geneva Exporter for Metrics - C++ Implementation of OpenTelemetry C++ Exporter to Upload Metics to Geneva")
+set(CPACK_PACKAGE_VENDOR "OpenTelemetry")
+set(CPACK_PACKAGE_CONTACT "OpenTelemetry-cpp")
+set(CPACK_PACKAGE_HOMEPAGE_URL "https://opentelemetry.io/")
+set(CMAKE_PROJECT_NAME "opentelemetry-cpp-geneva-metrics")
+set(OPENTELEMETRY_VERSION "1.0.0")
+
+option(TARBALL "Build a tarball package" OFF)
+
+if (UNIX AND NOT APPLE)
+    include(cmake/ParseOsRelease.cmake)
+    set(CPACK_SYSTEM_NAME "${OS_RELEASE_ID}-${OS_RELEASE_VERSION_ID}")
+    #set(CPACK_PACKAGING_INSTALL_PREFIX "/usr/local")
+    set(CPACK_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${OPENTELEMETRY_VERSION}-${CPACK_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
+
+    # Check if system is deb or rpm capable
+    find_program(RPMCAPABLE rpmbuild)
+    find_program(DEBCAPABLE dpkg-buildpackage)
+    if (TARBALL)
+        set(CPACK_GENERATOR "TGZ")
+        message("-- Package name: ${CPACK_PACKAGE_FILE_NAME}.tar.gz")
+    elseif (DEBCAPABLE MATCHES "NOTFOUND" AND RPMCAPABLE MATCHES "NOTFOUND")
+        message(FATAL_ERROR "Required Package generator not found for either deb or rpm."
+        " Install required package generation software and try again")
+    elseif (NOT DEBCAPABLE MATCHES "NOTFOUND")
+        if (NOT RPMCAPABLE MATCHES "NOTFOUND")
+            message(WARNING "Both deb and rpm package generator found."
+            "Selecting deb as default packager.")
+        endif()
+        set(CPACK_GENERATOR "DEB")
+        set(INSTALL_LIB_DIR
+            ${CMAKE_INSTALL_PREFIX}/lib/${CPACK_DEBIAN_ARCHITECTURE}-linux-gnu)
+        set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
+        set(CPACK_DEBIAN_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
+        #set(CPACK_COMPONENTS_ALL headers libraries)
+        set (CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
+        message("-- Package name: ${CPACK_PACKAGE_FILE_NAME}.deb")
+    elseif(NOT RPMCAPABLE MATCHES "NOTFOUND")
+        set(CPACK_GENERATOR "RPM")
+        set(INSTALL_LIB_DIR
+            ${CMAKE_INSTALL_PREFIX}/lib/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
+        list(APPEND CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION "/usr/lib64/cmake")
+        list(APPEND CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION "/usr/lib64/pkgconfig")
+        set(CPACK_RPM_PACKAGE_LICENSE "Apache-2.0")
+        message("-- Package name: ${CPACK_PACKAGE_FILE_NAME}.rpm")
+    endif()
+elseif(APPLE)
+    if (TARBALL)
+        set(CPACK_GENERATOR "TGZ")
+        message("-- Package name: ${CPACK_PACKAGE_FILE_NAME}.tar.gz")
+    endif()
+elseif(WIN32)
+    find_program(NUGETCAPABLE nuget)
+    if(NOT NUGETCAPABLE MATCHES "NOTFOUND")
+        set(CPACK_NUGET_PACKAGE_NAME "${CPACK_PROJECT_NAME}")
+        set(CPACK_NUGET_PACKAGE_VERSION "${OPENTELEMETRY_VERSIOM}")
+        set(CPACK_NUGET_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION}")
+        set(CPACK_NUGET_PACKAGE_AUTHORS "${CPACK_PACKAGE_VENDOR}")
+        set(CPACK_NUGET_PACKAGE_TITLE "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
+        set(CPACK_NUGET_PACKAGE_OWNERS "${CPACK_PACKAGE_VENDOR}")
+        set(CPACK_NUGET_PACKAGE_HOMEPAGE_URL "${CPACK_PACKAGE_HOMEPAGE_URL}")
+        set(CPACK_NUGET_PACKAGE_DESCRIPTION_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
+        set(CPACK_NUGET_PACKAGE_COPYRIGHT "${CPACK_PACKAGE_VENDOR}")
+        set(CPACK_NUGET_PACKAGE_LICENSEURL "https://www.apache.org/licenses/LICENSE-2.0.txt")
+        set(CPACK_NUGET_PACKAGE_LANGUAGE "en_US")
+        set(CPACK_GENERATOR NuGet)
+    else()
+        set(CPACK_GENERATOR ZIP)
+    endif()
+endif()

exporters/geneva/include/opentelemetry/exporters/geneva/metrics/exporter.h

@@ -85,7 +85,7 @@ class Exporter final : public opentelemetry::sdk::metrics::PushMetricExporter {
   size_t SerializeHistogramMetrics(
       sdk::metrics::AggregationType, MetricsEventType, uint64_t,
       const sdk::metrics::ValueType &, const sdk::metrics::ValueType &,
-      const sdk::metrics::ValueType &, const std::list<double> &boundaries,
+      const sdk::metrics::ValueType &, const std::vector<double> &boundaries,
       const std::vector<uint64_t> &counts, common::SystemTimestamp,
       const std::string &, const sdk::metrics::PointAttributes &);
 };

exporters/geneva/src/exporter.cc

@@ -236,7 +236,7 @@ size_t Exporter::SerializeHistogramMetrics(
     sdk::metrics::AggregationType agg_type, MetricsEventType event_type,
     uint64_t count, const sdk::metrics::ValueType &sum,
     const sdk::metrics::ValueType &min, const sdk::metrics::ValueType &max,
-    const std::list<double> &boundaries, const std::vector<uint64_t> &counts,
+    const std::vector<double> &boundaries, const std::vector<uint64_t> &counts,
     common::SystemTimestamp ts, const std::string &metric_name,
     const sdk::metrics::PointAttributes &attributes) {
 

exporters/geneva/test/common/generate_metrics.h

@@ -3,6 +3,8 @@
 #include "opentelemetry/sdk/metrics/instruments.h"
 #include "opentelemetry/sdk/resource/resource.h"
 
+#include<vector>
+
 namespace {
 
 // Instrument Scope
@@ -127,7 +129,7 @@ const uint16_t kHistogramLongBucketSize = 10;
 const uint16_t kHistogramLongNonEmptyBucketSize = 8;
 const std::vector<uint64_t> kHistogramLongCounts = {1, 2, 1, 0, 0,
                                                     1, 2, 3, 4, 1};
-const std::list<double> kHistogramLongBoundaries = std::list<double>{
+const std::vector<double> kHistogramLongBoundaries = std::vector<double>{
     0.0, 5.0, 10.0, 25.0, 50.0, 75.0, 100.0, 250.0, 500.0, 1000.0};
 
 const std::string kHistogramLongAttributeKey1 = "histogram_long_key1";
@@ -174,4 +176,4 @@ GenerateHistogramDataLongMetrics() {
   return data;
 }
 
-} // namespace
+} // namespace