diff options
Diffstat (limited to 'src/fluent-bit/plugins/in_podman_metrics/podman_metrics.h')
-rw-r--r-- | src/fluent-bit/plugins/in_podman_metrics/podman_metrics.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_podman_metrics/podman_metrics.h b/src/fluent-bit/plugins/in_podman_metrics/podman_metrics.h new file mode 100644 index 000000000..3b02d24ed --- /dev/null +++ b/src/fluent-bit/plugins/in_podman_metrics/podman_metrics.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_IN_PODMAN_METRICS_H +#define FLB_IN_PODMAN_METRICS_H + +#include <fluent-bit/flb_info.h> +#include <fluent-bit/flb_config.h> +#include <fluent-bit/flb_input.h> +#include <fluent-bit/flb_utils.h> +#include <fluent-bit/flb_jsmn.h> + +#include <monkey/mk_core/mk_list.h> + +#include "podman_metrics_config.h" + +static int collect_container_data(struct flb_in_metrics *ctx); +static int add_container_to_list(struct flb_in_metrics *ctx, flb_sds_t id, flb_sds_t name, flb_sds_t image_name); +static int destroy_container_list(struct flb_in_metrics *ctx); + +static int create_counter(struct flb_in_metrics *ctx, struct cmt_counter **counter, flb_sds_t id, flb_sds_t name, flb_sds_t image_name, flb_sds_t metric_prefix, + flb_sds_t *fieds, flb_sds_t metric_name, flb_sds_t description, flb_sds_t interface, uint64_t value); +static int create_gauge(struct flb_in_metrics *ctx, struct cmt_gauge **gauge, flb_sds_t id, flb_sds_t name, flb_sds_t image_name, flb_sds_t metric_prefix, + flb_sds_t *fields, flb_sds_t metric_name, flb_sds_t description, flb_sds_t interface, uint64_t value); +static int create_counters(struct flb_in_metrics *ctx); + +static int scrape_metrics(struct flb_config *config, struct flb_in_metrics *ctx); + +static int cb_metrics_collect_runtime(struct flb_input_instance *ins, struct flb_config *config, void *in_context); +static int in_metrics_init(struct flb_input_instance *in, struct flb_config *config, void *data); +static int in_metrics_exit(void *data, struct flb_config *config); +static void in_metrics_pause(void *data, struct flb_config *config); +static void in_metrics_resume(void *data, struct flb_config *config); + + +static struct flb_config_map config_map[] = { + { + FLB_CONFIG_MAP_TIME, "scrape_interval", "30", + 0, FLB_TRUE, offsetof(struct flb_in_metrics, scrape_interval), + "Scrape interval to collect the metrics of podman containers" + "(defaults to 30s)" + }, + + { + FLB_CONFIG_MAP_BOOL, "scrape_on_start", "false", + 0, FLB_TRUE, offsetof(struct flb_in_metrics, scrape_on_start), + "Scrape metrics upon start, useful to avoid waiting for 'scrape_interval' " + "for the first round of metrics." + }, + { + FLB_CONFIG_MAP_STR, "path.config", NULL, + 0, FLB_TRUE, offsetof(struct flb_in_metrics, podman_config_path), + "Path to podman config file" + }, + { + FLB_CONFIG_MAP_STR, "path.sysfs", SYSFS_PATH, + 0, FLB_TRUE, offsetof(struct flb_in_metrics, sysfs_path), + "Path to sysfs subsystem directory" + }, + { + FLB_CONFIG_MAP_STR, "path.procfs", PROCFS_PATH, + 0, FLB_TRUE, offsetof(struct flb_in_metrics, procfs_path), + "Path to proc subsystem directory" + }, + + /* EOF */ + {0} +}; + +struct flb_input_plugin in_podman_metrics_plugin = { + .name = "podman_metrics", + .description = "Podman metrics", + .cb_init = in_metrics_init, + .cb_pre_run = NULL, + .cb_flush_buf = NULL, + .config_map = config_map, + .cb_pause = in_metrics_pause, + .cb_resume = in_metrics_resume, + .cb_exit = in_metrics_exit +}; + +#endif |