diff options
Diffstat (limited to 'src/fluent-bit/plugins/out_azure_logs_ingestion/azure_logs_ingestion_conf.c')
| -rw-r--r-- | src/fluent-bit/plugins/out_azure_logs_ingestion/azure_logs_ingestion_conf.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/out_azure_logs_ingestion/azure_logs_ingestion_conf.c b/src/fluent-bit/plugins/out_azure_logs_ingestion/azure_logs_ingestion_conf.c new file mode 100644 index 000000000..344a7f5ff --- /dev/null +++ b/src/fluent-bit/plugins/out_azure_logs_ingestion/azure_logs_ingestion_conf.c @@ -0,0 +1,172 @@ +/* -*- 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_base64.h> +#include <fluent-bit/flb_utils.h> +#include <fluent-bit/flb_http_client.h> +#include <fluent-bit/flb_oauth2.h> + +#include "azure_logs_ingestion.h" +#include "azure_logs_ingestion_conf.h" + +struct flb_az_li* flb_az_li_ctx_create(struct flb_output_instance *ins, + struct flb_config *config) +{ + int ret; + struct flb_az_li *ctx; + (void) ins; + (void) config; + + /* Allocate a new context object for this output instance */ + ctx = flb_calloc(1, sizeof(struct flb_az_li)); + if (!ctx) { + flb_errno(); + return NULL; + } + + /* Set the conext in output_instance so that we can retrieve it later */ + ctx->ins = ins; + ctx->config = config; + /* Set context */ + flb_output_set_context(ins, ctx); + + /* Load config map */ + ret = flb_output_config_map_set(ins, (void *) ctx); + if (ret == -1) { + flb_plg_error(ins, "unable to load configuration"); + return NULL; + } + + /* config: 'client_id' */ + if (!ctx->client_id) { + flb_plg_error(ins, "property 'client_id' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + /* config: 'tenant_id' */ + if (!ctx->tenant_id) { + flb_plg_error(ins, "property 'tenant_id' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + /* config: 'client_secret' */ + if (!ctx->client_secret) { + flb_plg_error(ins, "property 'client_secret' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + /* config: 'dce_url' */ + if (!ctx->dce_url) { + flb_plg_error(ins, "property 'dce_url' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + /* config: 'dcr_id' */ + if (!ctx->dcr_id) { + flb_plg_error(ins, "property 'dcr_id' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + /* config: 'table_name' */ + if (!ctx->table_name) { + flb_plg_error(ins, "property 'table_name' is not defined"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + + /* Allocate and set auth url */ + ctx->auth_url = flb_sds_create_size(sizeof(FLB_AZ_LI_AUTH_URL_TMPLT) - 1 + + flb_sds_len(ctx->tenant_id)); + if (!ctx->auth_url) { + flb_errno(); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + flb_sds_snprintf(&ctx->auth_url, flb_sds_alloc(ctx->auth_url), + FLB_AZ_LI_AUTH_URL_TMPLT, ctx->tenant_id); + + /* Allocate and set dce full url */ + ctx->dce_u_url = flb_sds_create_size(sizeof(FLB_AZ_LI_DCE_URL_TMPLT) - 1 + + flb_sds_len(ctx->dce_url) + + flb_sds_len(ctx->dcr_id) + + flb_sds_len(ctx->table_name)); + if (!ctx->dce_u_url) { + flb_errno(); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + flb_sds_snprintf(&ctx->dce_u_url, flb_sds_alloc(ctx->dce_u_url), + FLB_AZ_LI_DCE_URL_TMPLT, ctx->dce_url, + ctx->dcr_id, ctx->table_name); + + /* Initialize the auth mutex */ + pthread_mutex_init(&ctx->token_mutex, NULL); + + /* Create oauth2 context */ + ctx->u_auth = flb_oauth2_create(config, ctx->auth_url, + FLB_AZ_LI_TOKEN_TIMEOUT); + if (!ctx->u_auth) { + flb_plg_error(ins, "cannot create oauth2 context"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + + /* Create upstream context for Log Ingsetion endpoint */ + ctx->u_dce = flb_upstream_create_url(config, ctx->dce_url, + FLB_AZ_LI_TLS_MODE, ins->tls); + if (!ctx->u_dce) { + flb_plg_error(ins, "upstream creation failed"); + flb_az_li_ctx_destroy(ctx); + return NULL; + } + flb_output_upstream_set(ctx->u_dce, ins); + + flb_plg_info(ins, "dce_url='%s', dcr='%s', table='%s', stream='Custom-%s'", + ctx->dce_url, ctx->dcr_id, ctx->table_name, ctx->table_name); + + return ctx; +} + +/* Free the context and created memory */ +int flb_az_li_ctx_destroy(struct flb_az_li *ctx) +{ + if (!ctx) { + return -1; + } + + if (ctx->auth_url) { + flb_sds_destroy(ctx->auth_url); + } + + if (ctx->dce_u_url) { + flb_sds_destroy(ctx->dce_u_url); + } + + if (ctx->u_auth) { + flb_oauth2_destroy(ctx->u_auth); + } + + if (ctx->u_dce) { + flb_upstream_destroy(ctx->u_dce); + } + flb_free(ctx); + + return 0; +} |