Adding upstream version 1.29.3.upstream/1.29.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 304 insertions, 0 deletions

diff --git a/exporting/exporting_engine.h b/exporting/exporting_engine.h
new file mode 100644
index 0000000..1d9feb7
--- /dev/null
+++ b/exporting/exporting_engine.h
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_EXPORTING_ENGINE_H
+#define NETDATA_EXPORTING_ENGINE_H 1
+
+#include "daemon/common.h"
+
+#include <uv.h>
+
+#define exporter_get(section, name, value) expconfig_get(&exporting_config, section, name, value)
+#define exporter_get_number(section, name, value) expconfig_get_number(&exporting_config, section, name, value)
+#define exporter_get_boolean(section, name, value) expconfig_get_boolean(&exporting_config, section, name, value)
+
+extern struct config exporting_config;
+
+#define EXPORTING_UPDATE_EVERY_OPTION_NAME "update every"
+#define EXPORTING_UPDATE_EVERY_DEFAULT 10
+
+typedef enum exporting_options {
+    EXPORTING_OPTION_NON                    = 0,
+
+    EXPORTING_SOURCE_DATA_AS_COLLECTED      = (1 << 0),
+    EXPORTING_SOURCE_DATA_AVERAGE           = (1 << 1),
+    EXPORTING_SOURCE_DATA_SUM               = (1 << 2),
+
+    EXPORTING_OPTION_SEND_CONFIGURED_LABELS = (1 << 3),
+    EXPORTING_OPTION_SEND_AUTOMATIC_LABELS  = (1 << 4),
+    EXPORTING_OPTION_USE_TLS                = (1 << 5),
+
+    EXPORTING_OPTION_SEND_NAMES             = (1 << 16)
+} EXPORTING_OPTIONS;
+
+#define EXPORTING_OPTIONS_SOURCE_BITS                                                                                  \
+    (EXPORTING_SOURCE_DATA_AS_COLLECTED | EXPORTING_SOURCE_DATA_AVERAGE | EXPORTING_SOURCE_DATA_SUM)
+#define EXPORTING_OPTIONS_DATA_SOURCE(exporting_options) (exporting_options & EXPORTING_OPTIONS_SOURCE_BITS)
+
+#define sending_labels_configured(instance)                                                                            \
+    (instance->config.options & (EXPORTING_OPTION_SEND_CONFIGURED_LABELS | EXPORTING_OPTION_SEND_AUTOMATIC_LABELS))
+
+#define should_send_label(instance, label)                                                                             \
+    ((instance->config.options & EXPORTING_OPTION_SEND_CONFIGURED_LABELS &&                                            \
+      label->label_source == LABEL_SOURCE_NETDATA_CONF) ||                                                             \
+     (instance->config.options & EXPORTING_OPTION_SEND_AUTOMATIC_LABELS &&                                             \
+      label->label_source != LABEL_SOURCE_NETDATA_CONF))
+
+typedef enum exporting_connector_types {
+    EXPORTING_CONNECTOR_TYPE_UNKNOWN,                 // Invalid type
+    EXPORTING_CONNECTOR_TYPE_GRAPHITE,                // Send plain text to Graphite
+    EXPORTING_CONNECTOR_TYPE_GRAPHITE_HTTP,           // Send data to Graphite using HTTP API
+    EXPORTING_CONNECTOR_TYPE_JSON,                    // Send data in JSON format
+    EXPORTING_CONNECTOR_TYPE_JSON_HTTP,               // Send data in JSON format using HTTP API
+    EXPORTING_CONNECTOR_TYPE_OPENTSDB,                // Send data to OpenTSDB using telnet API
+    EXPORTING_CONNECTOR_TYPE_OPENTSDB_HTTP,           // Send data to OpenTSDB using HTTP API
+    EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE, // User selected to use Prometheus backend
+    EXPORTING_CONNECTOR_TYPE_KINESIS,                 // Send message to AWS Kinesis
+    EXPORTING_CONNECTOR_TYPE_PUBSUB,                  // Send message to Google Cloud Pub/Sub
+    EXPORTING_CONNECTOR_TYPE_MONGODB,                 // Send data to MongoDB collection
+    EXPORTING_CONNECTOR_TYPE_NUM                      // Number of backend types
+} EXPORTING_CONNECTOR_TYPE;
+
+struct engine;
+
+struct instance_config {
+    EXPORTING_CONNECTOR_TYPE type;
+    const char *type_name;
+
+    const char *name;
+    const char *destination;
+    const char *prefix;
+    const char *hostname;
+
+    int update_every;
+    int buffer_on_failures;
+    long timeoutms;
+
+    EXPORTING_OPTIONS options;
+    SIMPLE_PATTERN *charts_pattern;
+    SIMPLE_PATTERN *hosts_pattern;
+
+    void *connector_specific_config;
+};
+
+struct simple_connector_config {
+    int default_port;
+};
+
+struct simple_connector_buffer {
+    BUFFER *header;
+    BUFFER *buffer;
+
+    size_t buffered_metrics;
+    size_t buffered_bytes;
+
+    int used;
+
+    struct simple_connector_buffer *next;
+};
+
+struct simple_connector_data {
+    void *connector_specific_data;
+
+    size_t total_buffered_metrics;
+
+    BUFFER *header;
+    BUFFER *buffer;
+    size_t buffered_metrics;
+    size_t buffered_bytes;
+
+    struct simple_connector_buffer *previous_buffer;
+    struct simple_connector_buffer *first_buffer;
+    struct simple_connector_buffer *last_buffer;
+
+#ifdef ENABLE_HTTPS
+    SSL *conn; //SSL connection
+    int flags; //The flags for SSL connection
+#endif
+};
+
+struct prometheus_remote_write_specific_config {
+    char *remote_write_path;
+};
+
+struct aws_kinesis_specific_config {
+    char *stream_name;
+    char *auth_key_id;
+    char *secure_key;
+};
+
+struct pubsub_specific_config {
+    char *credentials_file;
+    char *project_id;
+    char *topic_id;
+};
+
+struct mongodb_specific_config {
+    char *database;
+    char *collection;
+};
+
+struct engine_config {
+    const char *hostname;
+    int update_every;
+};
+
+struct stats {
+    collected_number buffered_metrics;
+    collected_number lost_metrics;
+    collected_number sent_metrics;
+    collected_number buffered_bytes;
+    collected_number lost_bytes;
+    collected_number sent_bytes;
+    collected_number received_bytes;
+    collected_number transmission_successes;
+    collected_number data_lost_events;
+    collected_number reconnects;
+    collected_number transmission_failures;
+    collected_number receptions;
+
+    int initialized;
+
+    RRDSET *st_metrics;
+    RRDDIM *rd_buffered_metrics;
+    RRDDIM *rd_lost_metrics;
+    RRDDIM *rd_sent_metrics;
+
+    RRDSET *st_bytes;
+    RRDDIM *rd_buffered_bytes;
+    RRDDIM *rd_lost_bytes;
+    RRDDIM *rd_sent_bytes;
+    RRDDIM *rd_received_bytes;
+
+    RRDSET *st_ops;
+    RRDDIM *rd_transmission_successes;
+    RRDDIM *rd_data_lost_events;
+    RRDDIM *rd_reconnects;
+    RRDDIM *rd_transmission_failures;
+    RRDDIM *rd_receptions;
+
+    RRDSET *st_rusage;
+    RRDDIM *rd_user;
+    RRDDIM *rd_system;
+};
+
+struct instance {
+    struct instance_config config;
+    void *buffer;
+    void (*worker)(void *instance_p);
+    struct stats stats;
+
+    int scheduled;
+    int disabled;
+    int skip_host;
+    int skip_chart;
+
+    BUFFER *labels;
+
+    time_t after;
+    time_t before;
+
+    uv_thread_t thread;
+    uv_mutex_t mutex;
+    uv_cond_t cond_var;
+    int data_is_ready;
+
+    int (*start_batch_formatting)(struct instance *instance);
+    int (*start_host_formatting)(struct instance *instance, RRDHOST *host);
+    int (*start_chart_formatting)(struct instance *instance, RRDSET *st);
+    int (*metric_formatting)(struct instance *instance, RRDDIM *rd);
+    int (*end_chart_formatting)(struct instance *instance, RRDSET *st);
+    int (*end_host_formatting)(struct instance *instance, RRDHOST *host);
+    int (*end_batch_formatting)(struct instance *instance);
+
+    void (*prepare_header)(struct instance *instance);
+    int (*check_response)(BUFFER *buffer, struct instance *instance);
+
+    void *connector_specific_data;
+
+    size_t index;
+    struct instance *next;
+    struct engine *engine;
+
+    volatile sig_atomic_t exited;
+};
+
+struct engine {
+    struct engine_config config;
+
+    size_t instance_num;
+    time_t now;
+
+    int aws_sdk_initialized;
+    int protocol_buffers_initialized;
+    int mongoc_initialized;
+
+    struct instance *instance_root;
+
+    volatile sig_atomic_t exit;
+};
+
+extern struct instance *prometheus_exporter_instance;
+
+void *exporting_main(void *ptr);
+
+struct engine *read_exporting_config();
+EXPORTING_CONNECTOR_TYPE exporting_select_type(const char *type);
+
+int init_connectors(struct engine *engine);
+void simple_connector_init(struct instance *instance);
+
+int mark_scheduled_instances(struct engine *engine);
+void prepare_buffers(struct engine *engine);
+
+size_t exporting_name_copy(char *dst, const char *src, size_t max_len);
+
+int rrdhost_is_exportable(struct instance *instance, RRDHOST *host);
+int rrdset_is_exportable(struct instance *instance, RRDSET *st);
+
+calculated_number exporting_calculate_value_from_stored_data(
+    struct instance *instance,
+    RRDDIM *rd,
+    time_t *last_timestamp);
+
+void start_batch_formatting(struct engine *engine);
+void start_host_formatting(struct engine *engine, RRDHOST *host);
+void start_chart_formatting(struct engine *engine, RRDSET *st);
+void metric_formatting(struct engine *engine, RRDDIM *rd);
+void end_chart_formatting(struct engine *engine, RRDSET *st);
+void end_host_formatting(struct engine *engine, RRDHOST *host);
+void end_batch_formatting(struct engine *engine);
+int flush_host_labels(struct instance *instance, RRDHOST *host);
+int simple_connector_end_batch(struct instance *instance);
+
+int exporting_discard_response(BUFFER *buffer, struct instance *instance);
+void simple_connector_receive_response(int *sock, struct instance *instance);
+void simple_connector_send_buffer(
+    int *sock, int *failures, struct instance *instance, BUFFER *header, BUFFER *buffer, size_t buffered_metrics);
+void simple_connector_worker(void *instance_p);
+
+void create_main_rusage_chart(RRDSET **st_rusage, RRDDIM **rd_user, RRDDIM **rd_system);
+void send_main_rusage(RRDSET *st_rusage, RRDDIM *rd_user, RRDDIM *rd_system);
+void send_internal_metrics(struct instance *instance);
+
+extern void clean_instance(struct instance *ptr);
+void simple_connector_cleanup(struct instance *instance);
+
+static inline void disable_instance(struct instance *instance)
+{
+    instance->disabled = 1;
+    instance->scheduled = 0;
+    uv_mutex_unlock(&instance->mutex);
+    error("EXPORTING: Instance %s disabled", instance->config.name);
+}
+
+#include "exporting/prometheus/prometheus.h"
+#include "exporting/opentsdb/opentsdb.h"
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+#include "exporting/prometheus/remote_write/remote_write.h"
+#endif
+
+#if HAVE_KINESIS
+#include "exporting/aws_kinesis/aws_kinesis.h"
+#endif
+
+#endif /* NETDATA_EXPORTING_ENGINE_H */