diff options
Diffstat (limited to 'fluent-bit/plugins/out_loki/loki.h')
| -rw-r--r-- | fluent-bit/plugins/out_loki/loki.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/fluent-bit/plugins/out_loki/loki.h b/fluent-bit/plugins/out_loki/loki.h new file mode 100644 index 000000000..2011cee3d --- /dev/null +++ b/fluent-bit/plugins/out_loki/loki.h @@ -0,0 +1,98 @@ +/* -*- 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. + */ + +#ifndef FLB_OUT_LOKI_H +#define FLB_OUT_LOKI_H + +#include <fluent-bit/flb_output_plugin.h> +#include <fluent-bit/flb_record_accessor.h> +#include <fluent-bit/flb_upstream.h> +#include <fluent-bit/flb_hash_table.h> +#include <cfl/cfl_list.h> + +#define FLB_LOKI_CT "Content-Type" +#define FLB_LOKI_CT_JSON "application/json" +#define FLB_LOKI_URI "/loki/api/v1/push" +#define FLB_LOKI_HOST "127.0.0.1" +#define FLB_LOKI_PORT 3100 +#define FLB_LOKI_HEADER_SCOPE "X-Scope-OrgID" + +#define FLB_LOKI_KV_STR 0 /* sds string */ +#define FLB_LOKI_KV_RA 1 /* record accessor */ +#define FLB_LOKI_KV_K8S 2 /* kubernetes label */ + +/* Output line format */ +#define FLB_LOKI_FMT_JSON 0 +#define FLB_LOKI_FMT_KV 1 + +struct flb_loki_kv { + int val_type; /* FLB_LOKI_KV_STR or FLB_LOKI_KV_RA */ + flb_sds_t key; /* string key */ + flb_sds_t str_val; /* string value */ + flb_sds_t key_normalized; /* normalized key name when using ra */ + struct flb_record_accessor *ra_key; /* record accessor key context */ + struct flb_record_accessor *ra_val; /* record accessor value context */ + struct mk_list _head; /* link to flb_loki->labels_list */ +}; + +struct flb_loki { + /* Public configuration properties */ + int auto_kubernetes_labels; + int drop_single_key; + flb_sds_t line_format; + flb_sds_t tenant_id; + flb_sds_t tenant_id_key_config; + int compress_gzip; + + /* HTTP Auth */ + flb_sds_t http_user; + flb_sds_t http_passwd; + + /* Bearer Token Auth */ + flb_sds_t bearer_token; + + /* Labels */ + struct mk_list *labels; + struct mk_list *label_keys; + struct mk_list *remove_keys; + + flb_sds_t label_map_path; + + /* Private */ + int tcp_port; + char *tcp_host; + int out_line_format; + int ra_used; /* number of record accessor label keys */ + struct flb_record_accessor *ra_k8s; /* kubernetes record accessor */ + struct mk_list labels_list; /* list of flb_loki_kv nodes */ + struct mk_list remove_keys_derived; /* remove_keys with label RAs */ + struct flb_mp_accessor *remove_mpa; /* remove_keys multi-pattern accessor */ + struct flb_record_accessor *ra_tenant_id_key; /* dynamic tenant id key */ + + struct cfl_list dynamic_tenant_list; + pthread_mutex_t dynamic_tenant_list_lock; + + /* Upstream Context */ + struct flb_upstream *u; + + /* Plugin instance */ + struct flb_output_instance *ins; +}; + +#endif |