300 lines
8.8 KiB
Go
300 lines
8.8 KiB
Go
package mongodb
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import (
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"fmt"
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"reflect"
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"strconv"
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"github.com/influxdata/telegraf"
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)
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type MongodbData struct {
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StatLine *StatLine
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Fields map[string]interface{}
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Tags map[string]string
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DbData []DbData
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ColData []ColData
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ShardHostData []DbData
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}
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type DbData struct {
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Name string
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Fields map[string]interface{}
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}
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type ColData struct {
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Name string
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DbName string
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Fields map[string]interface{}
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}
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func NewMongodbData(statLine *StatLine, tags map[string]string) *MongodbData {
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return &MongodbData{
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StatLine: statLine,
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Tags: tags,
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Fields: make(map[string]interface{}),
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DbData: []DbData{},
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}
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}
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var DefaultStats = map[string]string{
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"inserts": "InsertCnt",
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"inserts_per_sec": "Insert",
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"queries": "QueryCnt",
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"queries_per_sec": "Query",
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"updates": "UpdateCnt",
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"updates_per_sec": "Update",
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"deletes": "DeleteCnt",
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"deletes_per_sec": "Delete",
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"getmores": "GetMoreCnt",
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"getmores_per_sec": "GetMore",
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"commands": "CommandCnt",
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"commands_per_sec": "Command",
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"flushes": "FlushesCnt",
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"flushes_per_sec": "Flushes",
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"flushes_total_time_ns": "FlushesTotalTime",
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"vsize_megabytes": "Virtual",
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"resident_megabytes": "Resident",
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"queued_reads": "QueuedReaders",
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"queued_writes": "QueuedWriters",
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"active_reads": "ActiveReaders",
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"active_writes": "ActiveWriters",
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"net_in_bytes_count": "NetInCnt",
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"net_in_bytes": "NetIn",
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"net_out_bytes_count": "NetOutCnt",
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"net_out_bytes": "NetOut",
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"open_connections": "NumConnections",
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"ttl_deletes": "DeletedDocumentsCnt",
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"ttl_deletes_per_sec": "DeletedDocuments",
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"ttl_passes": "PassesCnt",
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"ttl_passes_per_sec": "Passes",
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"cursor_timed_out": "TimedOutC",
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"cursor_timed_out_count": "TimedOutCCnt",
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"cursor_no_timeout": "NoTimeoutC",
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"cursor_no_timeout_count": "NoTimeoutCCnt",
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"cursor_pinned": "PinnedC",
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"cursor_pinned_count": "PinnedCCnt",
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"cursor_total": "TotalC",
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"cursor_total_count": "TotalCCnt",
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"document_deleted": "DeletedD",
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"document_inserted": "InsertedD",
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"document_returned": "ReturnedD",
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"document_updated": "UpdatedD",
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"connections_current": "CurrentC",
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"connections_available": "AvailableC",
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"connections_total_created": "TotalCreatedC",
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}
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var DefaultReplStats = map[string]string{
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"repl_inserts": "InsertRCnt",
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"repl_inserts_per_sec": "InsertR",
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"repl_queries": "QueryRCnt",
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"repl_queries_per_sec": "QueryR",
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"repl_updates": "UpdateRCnt",
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"repl_updates_per_sec": "UpdateR",
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"repl_deletes": "DeleteRCnt",
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"repl_deletes_per_sec": "DeleteR",
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"repl_getmores": "GetMoreRCnt",
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"repl_getmores_per_sec": "GetMoreR",
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"repl_commands": "CommandRCnt",
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"repl_commands_per_sec": "CommandR",
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"member_status": "NodeType",
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"state": "NodeState",
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"repl_lag": "ReplLag",
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"repl_oplog_window_sec": "OplogTimeDiff",
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}
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var DefaultClusterStats = map[string]string{
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"jumbo_chunks": "JumboChunksCount",
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}
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var DefaultShardStats = map[string]string{
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"total_in_use": "TotalInUse",
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"total_available": "TotalAvailable",
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"total_created": "TotalCreated",
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"total_refreshing": "TotalRefreshing",
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}
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var ShardHostStats = map[string]string{
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"in_use": "InUse",
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"available": "Available",
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"created": "Created",
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"refreshing": "Refreshing",
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}
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var MmapStats = map[string]string{
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"mapped_megabytes": "Mapped",
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"non-mapped_megabytes": "NonMapped",
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"page_faults": "FaultsCnt",
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"page_faults_per_sec": "Faults",
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}
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var WiredTigerStats = map[string]string{
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"percent_cache_dirty": "CacheDirtyPercent",
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"percent_cache_used": "CacheUsedPercent",
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}
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var WiredTigerExtStats = map[string]string{
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"wtcache_tracked_dirty_bytes": "TrackedDirtyBytes",
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"wtcache_current_bytes": "CurrentCachedBytes",
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"wtcache_max_bytes_configured": "MaxBytesConfigured",
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"wtcache_app_threads_page_read_count": "AppThreadsPageReadCount",
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"wtcache_app_threads_page_read_time": "AppThreadsPageReadTime",
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"wtcache_app_threads_page_write_count": "AppThreadsPageWriteCount",
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"wtcache_bytes_written_from": "BytesWrittenFrom",
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"wtcache_bytes_read_into": "BytesReadInto",
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"wtcache_pages_evicted_by_app_thread": "PagesEvictedByAppThread",
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"wtcache_pages_queued_for_eviction": "PagesQueuedForEviction",
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"wtcache_pages_read_into": "PagesReadIntoCache",
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"wtcache_pages_requested_from": "PagesRequestedFromCache",
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"wtcache_server_evicting_pages": "ServerEvictingPages",
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"wtcache_worker_thread_evictingpages": "WorkerThreadEvictingPages",
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"wtcache_internal_pages_evicted": "InternalPagesEvicted",
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"wtcache_modified_pages_evicted": "ModifiedPagesEvicted",
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"wtcache_unmodified_pages_evicted": "UnmodifiedPagesEvicted",
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}
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var DbDataStats = map[string]string{
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"collections": "Collections",
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"objects": "Objects",
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"avg_obj_size": "AvgObjSize",
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"data_size": "DataSize",
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"storage_size": "StorageSize",
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"num_extents": "NumExtents",
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"indexes": "Indexes",
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"index_size": "IndexSize",
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"ok": "Ok",
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}
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var ColDataStats = map[string]string{
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"count": "Count",
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"size": "Size",
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"avg_obj_size": "AvgObjSize",
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"storage_size": "StorageSize",
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"total_index_size": "TotalIndexSize",
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"ok": "Ok",
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}
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func (d *MongodbData) AddDbStats() {
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for _, dbstat := range d.StatLine.DbStatsLines {
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dbStatLine := reflect.ValueOf(&dbstat).Elem()
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newDbData := &DbData{
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Name: dbstat.Name,
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Fields: make(map[string]interface{}),
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}
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newDbData.Fields["type"] = "db_stat"
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for key, value := range DbDataStats {
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val := dbStatLine.FieldByName(value).Interface()
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newDbData.Fields[key] = val
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}
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d.DbData = append(d.DbData, *newDbData)
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}
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}
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func (d *MongodbData) AddColStats() {
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for _, colstat := range d.StatLine.ColStatsLines {
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colStatLine := reflect.ValueOf(&colstat).Elem()
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newColData := &ColData{
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Name: colstat.Name,
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DbName: colstat.DbName,
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Fields: make(map[string]interface{}),
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}
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newColData.Fields["type"] = "col_stat"
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for key, value := range ColDataStats {
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val := colStatLine.FieldByName(value).Interface()
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newColData.Fields[key] = val
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}
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d.ColData = append(d.ColData, *newColData)
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}
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}
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func (d *MongodbData) AddShardHostStats() {
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for host, hostStat := range d.StatLine.ShardHostStatsLines {
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hostStatLine := reflect.ValueOf(&hostStat).Elem()
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newDbData := &DbData{
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Name: host,
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Fields: make(map[string]interface{}),
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}
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newDbData.Fields["type"] = "shard_host_stat"
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for k, v := range ShardHostStats {
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val := hostStatLine.FieldByName(v).Interface()
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newDbData.Fields[k] = val
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}
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d.ShardHostData = append(d.ShardHostData, *newDbData)
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}
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}
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func (d *MongodbData) AddDefaultStats() {
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statLine := reflect.ValueOf(d.StatLine).Elem()
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d.addStat(statLine, DefaultStats)
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if d.StatLine.NodeType != "" {
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d.addStat(statLine, DefaultReplStats)
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}
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d.addStat(statLine, DefaultClusterStats)
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d.addStat(statLine, DefaultShardStats)
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if d.StatLine.StorageEngine == "mmapv1" || d.StatLine.StorageEngine == "rocksdb" {
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d.addStat(statLine, MmapStats)
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} else if d.StatLine.StorageEngine == "wiredTiger" {
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for key, value := range WiredTigerStats {
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val := statLine.FieldByName(value).Interface()
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percentVal := fmt.Sprintf("%.1f", val.(float64)*100)
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floatVal, _ := strconv.ParseFloat(percentVal, 64)
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d.add(key, floatVal)
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}
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d.addStat(statLine, WiredTigerExtStats)
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}
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}
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func (d *MongodbData) addStat(statLine reflect.Value, stats map[string]string) {
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for key, value := range stats {
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val := statLine.FieldByName(value).Interface()
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d.add(key, val)
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}
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}
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func (d *MongodbData) add(key string, val interface{}) {
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d.Fields[key] = val
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}
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func (d *MongodbData) flush(acc telegraf.Accumulator) {
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acc.AddFields(
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"mongodb",
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d.Fields,
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d.Tags,
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d.StatLine.Time,
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)
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d.Fields = make(map[string]interface{})
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for _, db := range d.DbData {
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d.Tags["db_name"] = db.Name
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acc.AddFields(
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"mongodb_db_stats",
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db.Fields,
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d.Tags,
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d.StatLine.Time,
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)
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db.Fields = make(map[string]interface{})
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}
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for _, col := range d.ColData {
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d.Tags["collection"] = col.Name
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d.Tags["db_name"] = col.DbName
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acc.AddFields(
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"mongodb_col_stats",
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col.Fields,
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d.Tags,
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d.StatLine.Time,
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)
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col.Fields = make(map[string]interface{})
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}
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for _, host := range d.ShardHostData {
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d.Tags["hostname"] = host.Name
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acc.AddFields(
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"mongodb_shard_stats",
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host.Fields,
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d.Tags,
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d.StatLine.Time,
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)
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host.Fields = make(map[string]interface{})
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}
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}
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