forked from sampork/go-sniffer
/
msg_serverstatus.go
107 lines (90 loc) · 2.95 KB
/
msg_serverstatus.go
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// Copyright 2021 FerretDB Inc.
//
// 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.
package handler
import (
"context"
"os"
"path/filepath"
"time"
"github.com/FerretDB/FerretDB/build/version"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/backends"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/types"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/util/lazyerrors"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/util/must"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/wire"
)
// MsgServerStatus implements `serverStatus` command.
func (h *Handler) MsgServerStatus(ctx context.Context, msg *wire.OpMsg) (*wire.OpMsg, error) {
host, err := os.Hostname()
if err != nil {
return nil, lazyerrors.Error(err)
}
exec, err := os.Executable()
if err != nil {
return nil, lazyerrors.Error(err)
}
uptime := time.Since(h.StateProvider.Get().Start)
metricsDoc := types.MakeDocument(0)
metrics := h.ConnMetrics.GetResponses()
for _, commands := range metrics {
for command, arguments := range commands {
var total, failed int
for _, m := range arguments {
total += m.Total
for _, v := range m.Failures {
failed += v
}
}
d := must.NotFail(types.NewDocument("total", int64(total), "failed", int64(failed)))
metricsDoc.Set(command, d)
}
}
res := must.NotFail(types.NewDocument(
"host", host,
"version", version.Get().MongoDBVersion,
"process", filepath.Base(exec),
"pid", int64(os.Getpid()),
"uptime", uptime.Seconds(),
"uptimeMillis", uptime.Milliseconds(),
"uptimeEstimate", int64(uptime.Seconds()),
"localTime", time.Now(),
"freeMonitoring", must.NotFail(types.NewDocument(
"state", h.StateProvider.Get().TelemetryString(),
)),
"metrics", must.NotFail(types.NewDocument(
"commands", metricsDoc,
)),
// our extensions
"ferretdbVersion", version.Get().Version,
"ok", float64(1),
))
stats, err := h.b.Status(ctx, new(backends.StatusParams))
if err != nil {
return nil, lazyerrors.Error(err)
}
res.Set("catalogStats", must.NotFail(types.NewDocument(
"collections", stats.CountCollections,
"capped", stats.CountCappedCollections,
"clustered", int32(0),
"timeseries", int32(0),
"views", int32(0),
"internalCollections", int32(0),
"internalViews", int32(0),
)))
var reply wire.OpMsg
must.NoError(reply.SetSections(wire.OpMsgSection{
Documents: []*types.Document{res},
}))
return &reply, nil
}