forked from percona/mongodb_exporter
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1 from tregubov-av/add-currentop-collector
Export currentOP uptime query metrics percona#704
- Loading branch information
Showing
5 changed files
with
235 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| // mongodb_exporter | ||
| // Copyright (C) 2017 Percona LLC | ||
| // | ||
| // 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 exporter | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strconv" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/sirupsen/logrus" | ||
| "go.mongodb.org/mongo-driver/bson" | ||
| "go.mongodb.org/mongo-driver/bson/primitive" | ||
| "go.mongodb.org/mongo-driver/mongo" | ||
| ) | ||
|
|
||
| type currentopCollector struct { | ||
| ctx context.Context | ||
| base *baseCollector | ||
| compatibleMode bool | ||
| topologyInfo labelsGetter | ||
| } | ||
|
|
||
| var ErrInvalidOrMissingInprogEntry = fmt.Errorf("invalid or misssing inprog entry in currentop results") | ||
|
|
||
| // newCurrentopCollector creates a collector for being processed queries. | ||
| func newCurrentopCollector(ctx context.Context, client *mongo.Client, logger *logrus.Logger, | ||
| compatible bool, topology labelsGetter, | ||
| ) *currentopCollector { | ||
| return ¤topCollector{ | ||
| ctx: ctx, | ||
| base: newBaseCollector(client, logger), | ||
| compatibleMode: compatible, | ||
| topologyInfo: topology, | ||
| } | ||
| } | ||
|
|
||
| func (d *currentopCollector) Describe(ch chan<- *prometheus.Desc) { | ||
| d.base.Describe(d.ctx, ch, d.collect) | ||
| } | ||
|
|
||
| func (d *currentopCollector) Collect(ch chan<- prometheus.Metric) { | ||
| d.base.Collect(ch) | ||
| } | ||
|
|
||
| func (d *currentopCollector) collect(ch chan<- prometheus.Metric) { | ||
| defer measureCollectTime(ch, "mongodb", "currentop")() | ||
|
|
||
| logger := d.base.logger | ||
| client := d.base.client | ||
|
|
||
| // Get all requests that are being processed except system requests (admin and local). | ||
| cmd := bson.D{ | ||
| {Key: "currentOp", Value: true}, | ||
| {Key: "active", Value: true}, | ||
| {Key: "microsecs_running", Value: bson.D{ | ||
| {Key: "$exists", Value: true}, | ||
| }}, | ||
| {Key: "op", Value: bson.D{{Key: "$ne", Value: ""}}}, | ||
| {Key: "ns", Value: bson.D{ | ||
| {Key: "$ne", Value: ""}, | ||
| {Key: "$not", Value: bson.D{{Key: "$regex", Value: "^admin.*|^local.*"}}}, | ||
| }}, | ||
| } | ||
| res := client.Database("admin").RunCommand(d.ctx, cmd) | ||
|
|
||
| var r primitive.M | ||
| if err := res.Decode(&r); err != nil { | ||
| ch <- prometheus.NewInvalidMetric(prometheus.NewInvalidDesc(err), err) | ||
| return | ||
| } | ||
|
|
||
| logger.Debug("currentop response from MongoDB:") | ||
| debugResult(logger, r) | ||
|
|
||
| inprog, ok := r["inprog"].(primitive.A) | ||
|
|
||
| if !ok { | ||
| ch <- prometheus.NewInvalidMetric(prometheus.NewInvalidDesc(ErrInvalidOrMissingInprogEntry), | ||
| ErrInvalidOrMissingInprogEntry) | ||
| } | ||
|
|
||
| for _, bsonMap := range inprog { | ||
|
|
||
| bsonMapElement, ok := bsonMap.(primitive.M) | ||
| if !ok { | ||
| logger.Errorf("Invalid type primitive.M assertion for bsonMap: %t", ok) | ||
| break | ||
| } | ||
| opid, ok := bsonMapElement["opid"].(int32) | ||
| if !ok { | ||
| logger.Errorf("Invalid type int32 assertion for 'opid': %t", ok) | ||
| break | ||
| } | ||
| namespace, ok := bsonMapElement["ns"].(string) | ||
| if !ok { | ||
| logger.Errorf("Invalid type string assertion for 'ns': %t", ok) | ||
| break | ||
| } | ||
| db, collection := splitNamespace(namespace) | ||
| op, ok := bsonMapElement["op"].(string) | ||
| if !ok { | ||
| logger.Errorf("Invalid type string assertion for 'op': %t", ok) | ||
| break | ||
| } | ||
| decs, ok := bsonMapElement["desc"].(string) | ||
| if !ok { | ||
| logger.Errorf("Invalid type string assertion for 'desc': %t", ok) | ||
| break | ||
| } | ||
| microsecs_running, ok := bsonMapElement["microsecs_running"].(int64) | ||
| if !ok { | ||
| logger.Errorf("Invalid type int64 assertion for 'microsecs_running': %t", ok) | ||
| break | ||
| } | ||
|
|
||
| labels := d.topologyInfo.baseLabels() | ||
| labels["opid"] = strconv.Itoa(int(opid)) | ||
| labels["op"] = op | ||
| labels["decs"] = decs | ||
| labels["database"] = db | ||
| labels["collection"] = collection | ||
| labels["ns"] = namespace | ||
|
|
||
| m := primitive.M{"uptime": microsecs_running} | ||
|
|
||
| for _, metric := range makeMetrics("currentop_query", m, labels, d.compatibleMode) { | ||
| ch <- metric | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| // mongodb_exporter | ||
| // Copyright (C) 2017 Percona LLC | ||
| // | ||
| // 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 exporter | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus/testutil" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/stretchr/testify/assert" | ||
| "go.mongodb.org/mongo-driver/bson" | ||
|
|
||
| "github.com/percona/mongodb_exporter/internal/tu" | ||
| ) | ||
|
|
||
| func TestCurrentopCollector(t *testing.T) { | ||
| ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) | ||
| defer cancel() | ||
|
|
||
| var wg sync.WaitGroup | ||
|
|
||
| client := tu.DefaultTestClient(ctx, t) | ||
|
|
||
| database := client.Database("testdb") | ||
| database.Drop(ctx) | ||
|
|
||
| defer func() { | ||
| err := database.Drop(ctx) | ||
| assert.NoError(t, err) | ||
| }() | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| for i := 0; i < 3; i++ { | ||
| coll := fmt.Sprintf("testcol_%02d", i) | ||
| _, err := database.Collection(coll).InsertOne(ctx, bson.M{"f1": 1, "f2": "2"}) | ||
| assert.NoError(t, err) | ||
| } | ||
| }() | ||
|
|
||
| ti := labelsGetterMock{} | ||
|
|
||
| c := newCurrentopCollector(ctx, client, logrus.New(), false, ti) | ||
|
|
||
| // Filter metrics by reason: | ||
| // 1. The result will be different on different hardware | ||
| // 2. Can't check labels like 'decs' and 'opid' because they don't return a known value for comparison | ||
| // It looks like: | ||
| // # HELP mongodb_currentop_query_uptime currentop_query. | ||
| // # TYPE mongodb_currentop_query_uptime untyped | ||
| // mongodb_currentop_query_uptime{collection="testcol_00",database="testdb",decs="conn6365",ns="testdb.testcol_00",op="insert",opid="448307"} 2524 | ||
|
|
||
| filter := []string{ | ||
| "mongodb_currentop_query_uptime", | ||
| } | ||
|
|
||
| count := testutil.CollectAndCount(c, filter...) | ||
| assert.True(t, count > 0) | ||
| wg.Wait() | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters