summaryrefslogtreecommitdiffstats
path: root/src/fluent-bit/plugins/out_http/http_conf.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/fluent-bit/plugins/out_http/http_conf.c')
-rw-r--r--src/fluent-bit/plugins/out_http/http_conf.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/out_http/http_conf.c b/src/fluent-bit/plugins/out_http/http_conf.c
new file mode 100644
index 000000000..cf3f2101a
--- /dev/null
+++ b/src/fluent-bit/plugins/out_http/http_conf.c
@@ -0,0 +1,298 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/* Fluent Bit
+ * ==========
+ * Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fluent-bit/flb_output_plugin.h>
+#include <fluent-bit/flb_utils.h>
+#include <fluent-bit/flb_pack.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_kv.h>
+#include <fluent-bit/flb_record_accessor.h>
+#ifdef FLB_HAVE_SIGNV4
+#ifdef FLB_HAVE_AWS
+#include <fluent-bit/flb_aws_credentials.h>
+#endif
+#endif
+#include "http.h"
+#include "http_conf.h"
+
+struct flb_out_http *flb_http_conf_create(struct flb_output_instance *ins,
+ struct flb_config *config)
+{
+ int ret;
+ int ulen;
+ int io_flags = 0;
+ char *protocol = NULL;
+ char *host = NULL;
+ char *port = NULL;
+ char *uri = NULL;
+ char *tmp_uri = NULL;
+ const char *tmp;
+ struct flb_upstream *upstream;
+ struct flb_out_http *ctx = NULL;
+
+ /* Allocate plugin context */
+ ctx = flb_calloc(1, sizeof(struct flb_out_http));
+ if (!ctx) {
+ flb_errno();
+ return NULL;
+ }
+ ctx->ins = ins;
+
+ ret = flb_output_config_map_set(ins, (void *) ctx);
+ if (ret == -1) {
+ flb_free(ctx);
+ return NULL;
+ }
+
+ if (ctx->headers_key && !ctx->body_key) {
+ flb_plg_error(ctx->ins, "when setting headers_key, body_key is also required");
+ flb_free(ctx);
+ return NULL;
+ }
+
+ if (ctx->body_key && !ctx->headers_key) {
+ flb_plg_error(ctx->ins, "when setting body_key, headers_key is also required");
+ flb_free(ctx);
+ return NULL;
+ }
+
+ if (ctx->body_key && ctx->headers_key) {
+ ctx->body_ra = flb_ra_create(ctx->body_key, FLB_FALSE);
+ if (!ctx->body_ra) {
+ flb_plg_error(ctx->ins, "failed to allocate body record accessor");
+ flb_free(ctx);
+ return NULL;
+ }
+
+ ctx->headers_ra = flb_ra_create(ctx->headers_key, FLB_FALSE);
+ if (!ctx->headers_ra) {
+ flb_plg_error(ctx->ins, "failed to allocate headers record accessor");
+ flb_free(ctx);
+ return NULL;
+ }
+ }
+
+ /*
+ * Check if a Proxy have been set, if so the Upstream manager will use
+ * the Proxy end-point and then we let the HTTP client know about it, so
+ * it can adjust the HTTP requests.
+ */
+ tmp = flb_output_get_property("proxy", ins);
+ if (tmp) {
+ ret = flb_utils_url_split(tmp, &protocol, &host, &port, &uri);
+ if (ret == -1) {
+ flb_plg_error(ctx->ins, "could not parse proxy parameter: '%s'", tmp);
+ flb_free(ctx);
+ return NULL;
+ }
+
+ ctx->proxy_host = host;
+ ctx->proxy_port = atoi(port);
+ ctx->proxy = tmp;
+ flb_free(protocol);
+ flb_free(port);
+ flb_free(uri);
+ uri = NULL;
+ }
+ else {
+ flb_output_net_default("127.0.0.1", 80, ins);
+ }
+
+ /* Check if AWS SigV4 authentication is enabled */
+#ifdef FLB_HAVE_SIGNV4
+#ifdef FLB_HAVE_AWS
+ if (ctx->has_aws_auth) {
+ ctx->aws_service = flb_output_get_property(FLB_HTTP_AWS_CREDENTIAL_PREFIX
+ "service", ctx->ins);
+ if (!ctx->aws_service) {
+ flb_plg_error(ins, "aws_auth option requires " FLB_HTTP_AWS_CREDENTIAL_PREFIX
+ "service to be set");
+ flb_free(ctx);
+ return NULL;
+ }
+
+ ctx->aws_provider = flb_managed_chain_provider_create(
+ ins,
+ config,
+ FLB_HTTP_AWS_CREDENTIAL_PREFIX,
+ NULL,
+ flb_aws_client_generator()
+ );
+ if (!ctx->aws_provider) {
+ flb_plg_error(ins, "failed to create aws credential provider for sigv4 auth");
+ flb_free(ctx);
+ return NULL;
+ }
+
+ /* If managed provider creation succeeds, then region key is present */
+ ctx->aws_region = flb_output_get_property(FLB_HTTP_AWS_CREDENTIAL_PREFIX
+ "region", ctx->ins);
+ }
+#endif /* !FLB_HAVE_AWS */
+#endif /* !FLB_HAVE_SIGNV4 */
+
+ /* Check if SSL/TLS is enabled */
+#ifdef FLB_HAVE_TLS
+ if (ins->use_tls == FLB_TRUE) {
+ io_flags = FLB_IO_TLS;
+ }
+ else {
+ io_flags = FLB_IO_TCP;
+ }
+#else
+ io_flags = FLB_IO_TCP;
+#endif
+
+ if (ins->host.ipv6 == FLB_TRUE) {
+ io_flags |= FLB_IO_IPV6;
+ }
+
+ if (ctx->proxy) {
+ flb_plg_trace(ctx->ins, "Upstream Proxy=%s:%i",
+ ctx->proxy_host, ctx->proxy_port);
+ upstream = flb_upstream_create(config,
+ ctx->proxy_host,
+ ctx->proxy_port,
+ io_flags, ins->tls);
+ }
+ else {
+ upstream = flb_upstream_create(config,
+ ins->host.name,
+ ins->host.port,
+ io_flags, ins->tls);
+ }
+
+ if (!upstream) {
+ flb_free(ctx);
+ return NULL;
+ }
+
+ if (ins->host.uri) {
+ uri = flb_strdup(ins->host.uri->full);
+ }
+ else {
+ tmp = flb_output_get_property("uri", ins);
+ if (tmp) {
+ uri = flb_strdup(tmp);
+ }
+ }
+
+ if (!uri) {
+ uri = flb_strdup("/");
+ }
+ else if (uri[0] != '/') {
+ ulen = strlen(uri);
+ tmp_uri = flb_malloc(ulen + 2);
+ tmp_uri[0] = '/';
+ memcpy(tmp_uri + 1, uri, ulen);
+ tmp_uri[ulen + 1] = '\0';
+ flb_free(uri);
+ uri = tmp_uri;
+ }
+
+ /* Output format */
+ ctx->out_format = FLB_PACK_JSON_FORMAT_NONE;
+ tmp = flb_output_get_property("format", ins);
+ if (tmp) {
+ if (strcasecmp(tmp, "gelf") == 0) {
+ ctx->out_format = FLB_HTTP_OUT_GELF;
+ }
+ else {
+ ret = flb_pack_to_json_format_type(tmp);
+ if (ret == -1) {
+ flb_plg_error(ctx->ins, "unrecognized 'format' option. "
+ "Using 'msgpack'");
+ }
+ else {
+ ctx->out_format = ret;
+ }
+ }
+ }
+
+ /* Date key */
+ ctx->date_key = ctx->json_date_key;
+ tmp = flb_output_get_property("json_date_key", ins);
+ if (tmp) {
+ /* Just check if we have to disable it */
+ if (flb_utils_bool(tmp) == FLB_FALSE) {
+ ctx->date_key = NULL;
+ }
+ }
+
+ /* Date format for JSON output */
+ ctx->json_date_format = FLB_PACK_JSON_DATE_DOUBLE;
+ tmp = flb_output_get_property("json_date_format", ins);
+ if (tmp) {
+ ret = flb_pack_to_json_date_type(tmp);
+ if (ret == -1) {
+ flb_plg_error(ctx->ins, "unrecognized 'json_date_format' option. "
+ "Using 'double'.");
+ }
+ else {
+ ctx->json_date_format = ret;
+ }
+ }
+
+ /* Compress (gzip) */
+ tmp = flb_output_get_property("compress", ins);
+ ctx->compress_gzip = FLB_FALSE;
+ if (tmp) {
+ if (strcasecmp(tmp, "gzip") == 0) {
+ ctx->compress_gzip = FLB_TRUE;
+ }
+ }
+
+ ctx->u = upstream;
+ ctx->uri = uri;
+ ctx->host = ins->host.name;
+ ctx->port = ins->host.port;
+
+ /* Set instance flags into upstream */
+ flb_output_upstream_set(ctx->u, ins);
+
+ return ctx;
+}
+
+void flb_http_conf_destroy(struct flb_out_http *ctx)
+{
+ if (!ctx) {
+ return;
+ }
+
+ if (ctx->body_ra && ctx->headers_ra) {
+ flb_ra_destroy(ctx->body_ra);
+ flb_ra_destroy(ctx->headers_ra);
+ }
+
+ if (ctx->u) {
+ flb_upstream_destroy(ctx->u);
+ }
+
+#ifdef FLB_HAVE_SIGNV4
+#ifdef FLB_HAVE_AWS
+ if (ctx->aws_provider) {
+ flb_aws_provider_destroy(ctx->aws_provider);
+ }
+#endif
+#endif
+
+ flb_free(ctx->proxy_host);
+ flb_free(ctx->uri);
+ flb_free(ctx);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-08 17:57:25 +0000