in_opentelemetry: added five missing configuration option descriptions. Fixes #11191.

Signed-off-by: Eric D. Schabell <[email protected]>

Author: eschabell

plugins/in_opentelemetry/opentelemetry.c

@@ -200,7 +200,7 @@ static struct flb_config_map config_map[] = {
     {
      FLB_CONFIG_MAP_BOOL, "http2", "true",
      0, FLB_TRUE, offsetof(struct flb_opentelemetry, enable_http2),
-     NULL
+     "Enable HTTP/2 protocol support for the OpenTelemetry receiver"
     },
 
     {
@@ -219,19 +219,19 @@ static struct flb_config_map config_map[] = {
     {
      FLB_CONFIG_MAP_SIZE, "buffer_max_size", HTTP_BUFFER_MAX_SIZE,
      0, FLB_TRUE, offsetof(struct flb_opentelemetry, buffer_max_size),
-     ""
+     "Maximum size of the HTTP request buffer"
     },
 
     {
      FLB_CONFIG_MAP_SIZE, "buffer_chunk_size", HTTP_BUFFER_CHUNK_SIZE,
      0, FLB_TRUE, offsetof(struct flb_opentelemetry, buffer_chunk_size),
-     ""
+     "Size of each buffer chunk allocated for HTTP requests"
     },
 
     {
      FLB_CONFIG_MAP_STR, "tag_key", NULL,
      0, FLB_TRUE, offsetof(struct flb_opentelemetry, tag_key),
-     ""
+     "Record accessor key to use for generating tags from incoming records"
     },
     {
      FLB_CONFIG_MAP_BOOL, "tag_from_uri", "true",
@@ -252,6 +252,7 @@ static struct flb_config_map config_map[] = {
     {
      FLB_CONFIG_MAP_STR, "logs_metadata_key", "otlp",
      0, FLB_TRUE, offsetof(struct flb_opentelemetry, logs_metadata_key),
+     "Key name to store OpenTelemetry logs metadata in the record"
     },
     {
      FLB_CONFIG_MAP_STR, "logs_body_key", NULL,