Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

out_opentelemetry: add gzip compression for grpc #9820

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

out_opentelemetry: add gzip compression for grpc #9820

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c638a19
out_opentelemetry: add gzip compression for grpc
flobz Jan 10, 2025
2381031
out_opentelemetry: show grpc response status and msg
flobz Jan 10, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
67 changes: 57 additions & 10 deletions plugins/out_opentelemetry/opentelemetry.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,7 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
const char *http_uri,
const char *grpc_uri)
{
const char *compression_algorithm;
char *compression_algorithm;
uint32_t wire_message_length;
size_t grpc_body_length;
cfl_sds_t sds_result;
Expand All @@ -237,6 +237,10 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
struct flb_http_request *request;
int out_ret;
int result;
const char *grpc_status;
const char *grpc_message;
size_t final_body_len;
void *final_body;

if (!ctx->enable_http2_flag) {
return opentelemetry_legacy_post(ctx,
Expand All @@ -246,6 +250,9 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
}

compression_algorithm = NULL;
if (ctx->compress_gzip == FLB_TRUE) {
compression_algorithm = "gzip";
}

request = flb_http_client_request_builder(
&ctx->http_client,
Expand All @@ -264,16 +271,28 @@ int opentelemetry_post(struct opentelemetry_context *ctx,

if (request->protocol_version == HTTP_PROTOCOL_VERSION_20 &&
ctx->enable_grpc_flag) {
grpc_body = cfl_sds_create_size(body_len + 5);
if (ctx->compress_gzip) {
result = flb_gzip_compress((void *) body, body_len,
&final_body, &final_body_len);
if (result != 0) {
compression_algorithm = NULL;
flb_plg_error(ctx->ins, "cannot gzip payload, disabling compression");
}
}
else {
final_body = (void *) body;
final_body_len = body_len;
}

grpc_body = cfl_sds_create_size(final_body_len + 5);

if (grpc_body == NULL) {
flb_http_client_request_destroy(request, FLB_TRUE);

return FLB_RETRY;
}

wire_message_length = (uint32_t) body_len;

wire_message_length = (uint32_t) final_body_len;
sds_result = cfl_sds_cat(grpc_body, "\x00----", 5);

if (sds_result == NULL) {
Expand All @@ -286,12 +305,15 @@ int opentelemetry_post(struct opentelemetry_context *ctx,

grpc_body = sds_result;

if(compression_algorithm != NULL){
((uint8_t *) grpc_body)[0] = 0x01;
}
((uint8_t *) grpc_body)[1] = (wire_message_length & 0xFF000000) >> 24;
((uint8_t *) grpc_body)[2] = (wire_message_length & 0x00FF0000) >> 16;
((uint8_t *) grpc_body)[3] = (wire_message_length & 0x0000FF00) >> 8;
((uint8_t *) grpc_body)[4] = (wire_message_length & 0x000000FF) >> 0;

sds_result = cfl_sds_cat(grpc_body, body, body_len);
sds_result = cfl_sds_cat(grpc_body, final_body, final_body_len);

if (sds_result == NULL) {
flb_http_client_request_destroy(request, FLB_TRUE);
Expand All @@ -311,7 +333,21 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
"application/grpc"),
FLB_HTTP_CLIENT_ARGUMENT_BODY(grpc_body,
grpc_body_length,
compression_algorithm));
NULL));

if(compression_algorithm != NULL) {
flb_http_request_set_header(request,
"grpc-encoding",
0,
compression_algorithm,
0);
flb_http_request_set_header(request,
"grpc-accept-encoding",
0,
compression_algorithm,
0);
flb_free(final_body);
}

cfl_sds_destroy(grpc_body);

Expand All @@ -322,10 +358,6 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
}
}
else {
if (ctx->compress_gzip == FLB_TRUE) {
compression_algorithm = "gzip";
}

result = flb_http_request_set_parameters(request,
FLB_HTTP_CLIENT_ARGUMENT_URI(http_uri),
FLB_HTTP_CLIENT_ARGUMENT_CONTENT_TYPE(
Expand Down Expand Up @@ -405,6 +437,21 @@ int opentelemetry_post(struct opentelemetry_context *ctx,
}
else {
if (ctx->log_response_payload &&
strncasecmp(response->content_type, "application/grpc", 16)
== 0){
grpc_status = flb_hash_table_get_ptr(response->headers,
"grpc-status", 11);
grpc_message = flb_hash_table_get_ptr(response->headers,
"grpc-message", 12);
flb_plg_info(ctx->ins,
"%s:%i, HTTP status=%i GRPC status=%s \n%s",
ctx->host,
ctx->port,
response->status,
grpc_status,
grpc_message);
}
else if (ctx->log_response_payload &&
response->body != NULL &&
cfl_sds_len(response->body) > 0) {
flb_plg_info(ctx->ins, "%s:%i, HTTP status=%i\n%s",
Expand Down
Loading