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/* -*- 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_info.h>
#include <fluent-bit/multiline/flb_ml.h>
#include <fluent-bit/multiline/flb_ml_parser.h>
#define FLB_ML_CRI_REGEX \
"^(?<time>.+?) (?<stream>stdout|stderr) (?<_p>F|P) (?<log>.*)$"
#define FLB_ML_CRI_TIME \
"%Y-%m-%dT%H:%M:%S.%L%z"
/* Creates a parser for Docker */
static struct flb_parser *cri_parser_create(struct flb_config *config)
{
struct flb_parser *p;
p = flb_parser_create("_ml_cri", /* parser name */
"regex", /* backend type */
FLB_ML_CRI_REGEX, /* regex */
FLB_FALSE, /* skip_empty */
FLB_ML_CRI_TIME, /* time format */
"time", /* time key */
NULL, /* time offset */
FLB_TRUE, /* time keep */
FLB_FALSE, /* time strict */
FLB_FALSE, /* no bare keys */
NULL, /* parser types */
0, /* types len */
NULL, /* decoders */
config); /* Fluent Bit context */
return p;
}
/* Our first multiline mode: 'docker' */
struct flb_ml_parser *flb_ml_parser_cri(struct flb_config *config)
{
struct flb_parser *parser;
struct flb_ml_parser *mlp;
/* Create a Docker parser */
parser = cri_parser_create(config);
if (!parser) {
return NULL;
}
mlp = flb_ml_parser_create(config,
"cri", /* name */
FLB_ML_EQ, /* type */
"F", /* match_str */
FLB_FALSE, /* negate */
FLB_ML_FLUSH_TIMEOUT, /* flush_ms */
"log", /* key_content */
"stream", /* key_group */
"_p", /* key_pattern */
parser, /* parser ctx */
NULL); /* parser name */
if (!mlp) {
flb_error("[multiline] could not create 'cri mode'");
return NULL;
}
return mlp;
}
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