[registries] add metrics

include/vcpkg/registries.h

@@ -31,6 +31,8 @@ namespace vcpkg
 
     struct RegistryImplementation
     {
+        virtual StringLiteral kind() const = 0;
+
         // returns nullptr if the port doesn't exist
         virtual std::unique_ptr<RegistryEntry> get_port_entry(const VcpkgPaths& paths, StringView port_name) const = 0;
 

src/vcpkg-test/registries.cpp

@@ -10,6 +10,8 @@ namespace
 {
     struct TestRegistryImplementation final : RegistryImplementation
     {
+        StringLiteral kind() const override { return "test"; }
+
         std::unique_ptr<RegistryEntry> get_port_entry(const VcpkgPaths&, StringView) const override { return nullptr; }
 
         void get_all_port_names(std::vector<std::string>&, const VcpkgPaths&) const override { }

src/vcpkg/configuration.cpp

@@ -2,6 +2,7 @@
 #include <vcpkg/base/system.print.h>
 
 #include <vcpkg/configuration.h>
+#include <vcpkg/metrics.h>
 #include <vcpkg/vcpkgcmdarguments.h>
 
 namespace
@@ -74,6 +75,8 @@ namespace vcpkg
     {
         if (!flags.registries && registry_set.has_modifications())
         {
+            Metrics::g_metrics.lock()->track_property("registries-error-registry-modification-without-feature-flag",
+                                                      "defined");
             System::printf(System::Color::warning,
                            "Warning: configuration specified the \"registries\" or \"default-registries\" field, but "
                            "the %s feature flag was not enabled.\n",

src/vcpkg/registries.cpp

@@ -3,6 +3,7 @@
 #include <vcpkg/base/jsonreader.h>
 #include <vcpkg/base/system.debug.h>
 
+#include <vcpkg/metrics.h>
 #include <vcpkg/paragraphs.h>
 #include <vcpkg/registries.h>
 #include <vcpkg/sourceparagraph.h>
@@ -45,6 +46,8 @@ namespace
         {
         }
 
+        StringLiteral kind() const override { return "git"; }
+
         std::unique_ptr<RegistryEntry> get_port_entry(const VcpkgPaths&, StringView) const override;
 
         void get_all_port_names(std::vector<std::string>&, const VcpkgPaths&) const override;
@@ -73,6 +76,7 @@ namespace
                                                                                     registry_versions_dir_name);
                 if (!maybe_tree)
                 {
+                    Metrics::g_metrics.lock()->track_property("registries-error-no-versions-at-commit", "defined");
                     Checks::exit_with_message(
                         VCPKG_LINE_INFO,
                         "Error: could not find the git tree for `versions` in repo `%s` at commit `%s`: %s",
@@ -84,7 +88,7 @@ namespace
                 if (!maybe_path)
                 {
                     Checks::exit_with_message(VCPKG_LINE_INFO,
-                                              "Error: failed to check out `port_versions` from repo %s: %s",
+                                              "Error: failed to check out `versions` from repo %s: %s",
                                               m_repo,
                                               maybe_path.error());
                 }
@@ -158,6 +162,8 @@ namespace
             Debug::print("BuiltinRegistry initialized with: \"", m_baseline_identifier, "\"\n");
         }
 
+        StringLiteral kind() const override { return "builtin"; }
+
         std::unique_ptr<RegistryEntry> get_port_entry(const VcpkgPaths& paths, StringView port_name) const override;
 
         void get_all_port_names(std::vector<std::string>&, const VcpkgPaths&) const override;
@@ -177,6 +183,8 @@ namespace
         {
         }
 
+        StringLiteral kind() const override { return "filesystem"; }
+
         std::unique_ptr<RegistryEntry> get_port_entry(const VcpkgPaths&, StringView) const override;
 
         void get_all_port_names(std::vector<std::string>&, const VcpkgPaths&) const override;
@@ -524,6 +532,7 @@ namespace
 
             if (m_baseline_identifier == "default")
             {
+                Metrics::g_metrics.lock()->track_property("registries-error-could-not-find-baseline", "defined");
                 Checks::exit_with_message(
                     VCPKG_LINE_INFO,
                     "Couldn't find explicitly specified baseline `\"default\"` in the baseline file.",
@@ -534,6 +543,7 @@ namespace
             auto explicit_hash = paths.git_fetch_from_remote_registry(m_repo, m_baseline_identifier);
             if (!explicit_hash.has_value())
             {
+                Metrics::g_metrics.lock()->track_property("registries-error-could-not-find-baseline", "defined");
                 Checks::exit_with_message(
                     VCPKG_LINE_INFO,
                     "Error: Couldn't find explicitly specified baseline `\"%s\"` in the baseline file for repo %s, "
@@ -546,6 +556,7 @@ namespace
             auto maybe_contents = paths.git_show_from_remote_registry(*explicit_hash.get(), path_to_baseline);
             if (!maybe_contents.has_value())
             {
+                Metrics::g_metrics.lock()->track_property("registries-error-could-not-find-baseline", "defined");
                 Checks::exit_with_message(
                     VCPKG_LINE_INFO,
                     "Error: Couldn't find explicitly specified baseline `\"%s\"` in the baseline file for repo %s, "
@@ -568,6 +579,7 @@ namespace
             }
             else
             {
+                Metrics::g_metrics.lock()->track_property("registries-error-could-not-find-baseline", "defined");
                 Checks::exit_maybe_upgrade(
                     VCPKG_LINE_INFO,
                     "Couldn't find explicitly specified baseline `\"%s\"` in the baseline file for repo %s, "

src/vcpkg/vcpkgpaths.cpp

@@ -338,6 +338,33 @@ If you wish to silence this error and use classic mode, you can:
 
         auto config_file = load_configuration(filesystem, args, root, manifest_root_dir);
 
+        // metrics from configuration
+        {
+            auto default_registry = config_file.config.registry_set.default_registry();
+            auto other_registries = config_file.config.registry_set.registries();
+            auto metrics = Metrics::g_metrics.lock();
+
+            if (default_registry)
+            {
+                metrics->track_property("registries-default-registry-kind", default_registry->kind());
+            }
+            else
+            {
+                metrics->track_property("registries-default-registry-kind", "disabled");
+            }
+
+            if (other_registries.size() != 0)
+            {
+                std::vector<StringLiteral> registry_kinds;
+                for (const auto& reg : other_registries)
+                {
+                    registry_kinds.push_back(reg.implementation().kind());
+                }
+                Util::sort_unique_erase(registry_kinds);
+                metrics->track_property("registries-kinds-used", Strings::join(",", registry_kinds));
+            }
+        }
+
         config_root_dir = std::move(config_file.config_directory);
         m_pimpl->m_config = std::move(config_file.config);