-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: Augustin Husson <[email protected]>
- Loading branch information
Showing
9 changed files
with
245 additions
and
7 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
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
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
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 +1,48 @@ | ||
| // Copyright 2024 The Perses Authors | ||
| // 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 labels | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/labstack/echo/v4" | ||
| persesEcho "github.com/perses/common/echo" | ||
| "github.com/perses/metrics-usage/database" | ||
| ) | ||
|
|
||
| func NewAPI(db database.Database) persesEcho.Register { | ||
| return &endpoint{ | ||
| db: db, | ||
| } | ||
| } | ||
|
|
||
| type endpoint struct { | ||
| db database.Database | ||
| } | ||
|
|
||
| func (e *endpoint) RegisterRoute(ech *echo.Echo) { | ||
| path := "/api/v1/labels" | ||
| ech.POST(path, e.PushLabels) | ||
| } | ||
|
|
||
| func (e *endpoint) PushLabels(ctx echo.Context) error { | ||
| data := make(map[string][]string) | ||
| if err := ctx.Bind(&data); err != nil { | ||
| return ctx.JSON(http.StatusBadRequest, echo.Map{"message": err.Error()}) | ||
| } | ||
| if len(data) > 0 { | ||
| e.db.EnqueueLabels(data) | ||
| } | ||
| return ctx.JSON(http.StatusAccepted, echo.Map{"message": "OK"}) | ||
| } |
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 +1,102 @@ | ||
| // Copyright 2024 The Perses Authors | ||
| // 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 labels | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/perses/common/async" | ||
| "github.com/perses/metrics-usage/config" | ||
| "github.com/perses/metrics-usage/database" | ||
| "github.com/perses/metrics-usage/pkg/client" | ||
| "github.com/perses/metrics-usage/utils/prometheus" | ||
| v1 "github.com/prometheus/client_golang/api/prometheus/v1" | ||
| "github.com/prometheus/common/model" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func NewCollector(db database.Database, cfg *config.LabelsCollector) (async.SimpleTask, error) { | ||
| promClient, err := prometheus.NewClient(cfg.HTTPClient) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var metricUsageClient client.Client | ||
| if cfg.MetricUsageClient != nil { | ||
| metricUsageClient, err = client.New(*cfg.MetricUsageClient) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| return &labelCollector{ | ||
| promClient: promClient, | ||
| db: db, | ||
| metricUsageClient: metricUsageClient, | ||
| period: cfg.Period, | ||
| logger: logrus.StandardLogger().WithField("collector", "labels"), | ||
| }, nil | ||
| } | ||
|
|
||
| type labelCollector struct { | ||
| async.SimpleTask | ||
| promClient v1.API | ||
| db database.Database | ||
| metricUsageClient client.Client | ||
| period model.Duration | ||
| logger *logrus.Entry | ||
| } | ||
|
|
||
| func (c *labelCollector) Execute(ctx context.Context, _ context.CancelFunc) error { | ||
| now := time.Now() | ||
| start := now.Add(time.Duration(-c.period)) | ||
| labelValues, _, err := c.promClient.LabelValues(ctx, "__name__", nil, start, now) | ||
| if err != nil { | ||
| c.logger.WithError(err).Error("failed to query metrics") | ||
| return nil | ||
| } | ||
| result := make(map[string][]string) | ||
| for _, metricName := range labelValues { | ||
| c.logger.Debugf("querying Prometheus to get label names for metric %s", metricName) | ||
| labels, _, queryErr := c.promClient.LabelNames(ctx, []string{string(metricName)}, start, now) | ||
| if queryErr != nil { | ||
| c.logger.WithError(queryErr).Errorf("failed to query labels for the metric %q", metricName) | ||
| continue | ||
| } | ||
| result[string(metricName)] = removeLabelName(labels) | ||
| } | ||
| if len(result) > 0 { | ||
| if c.metricUsageClient != nil { | ||
| // In this case, that means we have to send the data to a remote server. | ||
| if sendErr := c.metricUsageClient.Labels(result); sendErr != nil { | ||
| c.logger.WithError(sendErr).Error("Failed to send labels name") | ||
| } | ||
| } else { | ||
| c.db.EnqueueLabels(result) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (c *labelCollector) String() string { | ||
| return "labels collector" | ||
| } | ||
|
|
||
| func removeLabelName(labels []string) []string { | ||
| for i, label := range labels { | ||
| if label == "__name__" { | ||
| return append(labels[:i], labels[i+1:]...) | ||
| } | ||
| } | ||
| return labels | ||
| } |