feat: add goagent use_custom_bsp config value (#162)

Author: tim-mwangi

ENV_VARS.md

@@ -30,3 +30,4 @@ Agents can be configured using environment variables:
 | HT_JAVAAGENT_FILTER_JAR_PATHS | Is the list of path to filter jars, separated by `,`. The values should be separated by `,`. |
 | HT_TELEMETRY_STARTUP_SPAN_ENABLED | When `true`, an internal span is created and exported when the agent is initialized and started. It's useful to denote when the application the agent is in started. |
 | HT_TELEMETRY_METRICS_ENABLED | Whether to capture metrics or not. The metrics will be otel go metrics. See https://github.com/open-telemetry/opentelemetry-go/tree/main/metric |
+| HT_GOAGENT_USE_CUSTOM_BSP | Use the custom batch_span_processor adapted from the one in opentelemetry go and supports some additional metrics |

gen/go/go.mod

@@ -4,8 +4,8 @@ go 1.19
 
 require (
 	github.com/ghodss/yaml v1.0.0
-	github.com/stretchr/testify v1.8.4
-	google.golang.org/protobuf v1.32.0
+	github.com/stretchr/testify v1.9.0
+	google.golang.org/protobuf v1.34.1
 )
 
 require (

gen/go/go.sum

@@ -5,11 +5,11 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
-google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
-google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=

gen/go/v1/config.pb.go

@@ -37,6 +37,9 @@ message AgentConfig {
 
     // telemetry
     Telemetry telemetry = 8;
+
+    // Goagent specific config
+    GoAgent goagent = 9;
 }
 
 // Reporting covers the options related to the mechanics for sending data to the
@@ -176,6 +179,13 @@ message JavaAgent {
     repeated google.protobuf.StringValue filter_jar_paths = 1;
 }
 
+// GoAgent has the configs specific to goagent
+message GoAgent {
+    // use the custom batch_span_processor adapted from the one in opentelemetry go
+    // and supports some additional metrics
+    google.protobuf.BoolValue use_custom_bsp = 1;
+}
+
 // Telemetry has config for agent telemetry: traces and metrics on agent's
 // performance and events.
 message Telemetry {