mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-01 14:47:38 +00:00
100 lines
3 KiB
Go
100 lines
3 KiB
Go
package insertutils
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import (
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"net/http"
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"github.com/VictoriaMetrics/metrics"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vlstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httputils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
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)
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// CommonParams contains common HTTP parameters used by log ingestion APIs.
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//
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// See https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters
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type CommonParams struct {
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TenantID logstorage.TenantID
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TimeField string
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MsgField string
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StreamFields []string
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IgnoreFields []string
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Debug bool
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DebugRequestURI string
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DebugRemoteAddr string
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}
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// GetCommonParams returns CommonParams from r.
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func GetCommonParams(r *http.Request) (*CommonParams, error) {
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// Extract tenantID
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tenantID, err := logstorage.GetTenantIDFromRequest(r)
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if err != nil {
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return nil, err
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}
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// Extract time field name from _time_field query arg
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var timeField = "_time"
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if tf := r.FormValue("_time_field"); tf != "" {
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timeField = tf
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}
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// Extract message field name from _msg_field query arg
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var msgField = ""
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if msgf := r.FormValue("_msg_field"); msgf != "" {
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msgField = msgf
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}
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streamFields := httputils.GetArray(r, "_stream_fields")
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ignoreFields := httputils.GetArray(r, "ignore_fields")
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debug := httputils.GetBool(r, "debug")
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debugRequestURI := ""
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debugRemoteAddr := ""
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if debug {
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debugRequestURI = httpserver.GetRequestURI(r)
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debugRemoteAddr = httpserver.GetQuotedRemoteAddr(r)
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}
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cp := &CommonParams{
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TenantID: tenantID,
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TimeField: timeField,
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MsgField: msgField,
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StreamFields: streamFields,
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IgnoreFields: ignoreFields,
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Debug: debug,
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DebugRequestURI: debugRequestURI,
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DebugRemoteAddr: debugRemoteAddr,
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}
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return cp, nil
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}
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// GetProcessLogMessageFunc returns a function, which adds parsed log messages to lr.
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func (cp *CommonParams) GetProcessLogMessageFunc(lr *logstorage.LogRows) func(timestamp int64, fields []logstorage.Field) {
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return func(timestamp int64, fields []logstorage.Field) {
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if len(fields) > *MaxFieldsPerLine {
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rf := logstorage.RowFormatter(fields)
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logger.Warnf("dropping log line with %d fields; it exceeds -insert.maxFieldsPerLine=%d; %s", len(fields), *MaxFieldsPerLine, rf)
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rowsDroppedTotalTooManyFields.Inc()
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return
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}
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lr.MustAdd(cp.TenantID, timestamp, fields)
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if cp.Debug {
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s := lr.GetRowString(0)
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lr.ResetKeepSettings()
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logger.Infof("remoteAddr=%s; requestURI=%s; ignoring log entry because of `debug` query arg: %s", cp.DebugRemoteAddr, cp.DebugRequestURI, s)
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rowsDroppedTotalDebug.Inc()
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return
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}
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if lr.NeedFlush() {
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vlstorage.MustAddRows(lr)
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lr.ResetKeepSettings()
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}
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}
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}
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var rowsDroppedTotalDebug = metrics.NewCounter(`vl_rows_dropped_total{reason="debug"}`)
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var rowsDroppedTotalTooManyFields = metrics.NewCounter(`vl_rows_dropped_total{reason="too_many_fields"}`)
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