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Enable HTTP debugging for AWS client requests #11015

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Enable HTTP debugging for AWS client requests #11015

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3863eea
Enable HTTP debugging for AWS client requests
runderwo Oct 13, 2025
7ac03a2
Apply code quality changes
runderwo Oct 14, 2025
62f98ed
Enable HTTP debug in Firehose client for illustration
runderwo Oct 14, 2025
e27feac
Code quality fixes
runderwo Oct 14, 2025
909b105
Code quality fixes
runderwo Oct 14, 2025
4daa282
Remove fixme
runderwo Oct 21, 2025
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3 changes: 3 additions & 0 deletions include/fluent-bit/flb_aws_util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,9 @@ struct flb_aws_client {

/* Send all log messages as debug; used in AWS Cred Providers on init */
int debug_only;

/* Callbacks context */
struct flb_callback *http_cb_ctx;
};

/* frees dynamic_headers */
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5 changes: 5 additions & 0 deletions plugins/out_kinesis_firehose/firehose.c
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Expand Up @@ -32,6 +32,7 @@
#include <fluent-bit/flb_aws_util.h>
#include <fluent-bit/flb_mem.h>
#include <fluent-bit/flb_http_client.h>
#include <fluent-bit/flb_http_client_debug.h>
#include <fluent-bit/flb_utils.h>

#include <fluent-bit/aws/flb_aws_compress.h>
Expand Down Expand Up @@ -288,6 +289,10 @@ static int cb_firehose_init(struct flb_output_instance *ins,
ctx->firehose_client->proxy = NULL;
ctx->firehose_client->static_headers = &content_type_header;
ctx->firehose_client->static_headers_len = 1;
if (flb_http_client_debug_setup(ctx->firehose_client->http_cb_ctx, &ins->properties) < 0) {
flb_plg_error(ctx->ins, "AWS HTTP client debug initialization error");
goto error;
}

struct flb_upstream *upstream = flb_upstream_create(config, ctx->endpoint,
ctx->port, FLB_IO_TLS,
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9 changes: 9 additions & 0 deletions src/aws/flb_aws_util.c
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Expand Up @@ -268,6 +268,12 @@ struct flb_aws_client *flb_aws_client_create()
client->client_vtable = &client_vtable;
client->retry_requests = FLB_FALSE;
client->debug_only = FLB_FALSE;
client->http_cb_ctx = flb_callback_create("aws client");
if (!client->http_cb_ctx) {
flb_errno();
flb_free(client);
return NULL;
}
return client;
}

Expand All @@ -291,6 +297,7 @@ void flb_aws_client_destroy(struct flb_aws_client *aws_client)
if (aws_client->extra_user_agent) {
flb_sds_destroy(aws_client->extra_user_agent);
}
flb_callback_destroy(aws_client->http_cb_ctx);
flb_free(aws_client);
}
}
Expand Down Expand Up @@ -386,6 +393,8 @@ struct flb_http_client *request_do(struct flb_aws_client *aws_client,
goto error;
}

c->cb_ctx = aws_client->http_cb_ctx;

/* Increase the maximum HTTP response buffer size to fit large responses from AWS services */
ret = flb_http_buffer_size(c, FLB_MAX_AWS_RESP_BUFFER_SIZE);
if (ret != 0) {
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