config: new global 'storage.metrics' property (default: off)

Signed-off-by: Eduardo Silva <[email protected]>

Author: edsiper

include/fluent-bit/flb_config.h

@@ -148,9 +148,11 @@ struct flb_config {
     char *storage_path;
     void *storage_input_plugin;
     char *storage_sync;             /* sync mode */
+    int   storage_metrics;          /* enable/disable storage metrics */
     int   storage_checksum;         /* checksum enabled */
     int   storage_max_chunks_up;    /* max number of chunks 'up' in memory */
     char *storage_bl_mem_limit;     /* storage backlog memory limit */
+    struct flb_storage_metrics *storage_metrics_ctx; /* storage metrics context */
 
     /* Embedded SQL Database support (SQLite3) */
 #ifdef FLB_HAVE_SQLDB
@@ -237,6 +239,7 @@ enum conf_type {
 /* Storage / Chunk I/O */
 #define FLB_CONF_STORAGE_PATH          "storage.path"
 #define FLB_CONF_STORAGE_SYNC          "storage.sync"
+#define FLB_CONF_STORAGE_METRICS       "storage.metrics"
 #define FLB_CONF_STORAGE_CHECKSUM      "storage.checksum"
 #define FLB_CONF_STORAGE_BL_MEM_LIMIT  "storage.backlog.mem_limit"
 #define FLB_CONF_STORAGE_MAX_CHUNKS_UP "storage.max_chunks_up"

src/flb_config.c

@@ -96,6 +96,9 @@ struct flb_service_config service_configs[] = {
     {FLB_CONF_STORAGE_SYNC,
      FLB_CONF_TYPE_STR,
      offsetof(struct flb_config, storage_sync)},
+    {FLB_CONF_STORAGE_METRICS,
+     FLB_CONF_TYPE_BOOL,
+     offsetof(struct flb_config, storage_metrics)},
     {FLB_CONF_STORAGE_CHECKSUM,
      FLB_CONF_TYPE_BOOL,
      offsetof(struct flb_config, storage_checksum)},