| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you 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 linear |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| api "skywalking.apache.org/repo/goapi/query" |
| |
| "github.com/apache/skywalking-cli/internal/commands/interceptor" |
| "github.com/apache/skywalking-cli/internal/flags" |
| "github.com/apache/skywalking-cli/internal/model" |
| "github.com/apache/skywalking-cli/pkg/display" |
| "github.com/apache/skywalking-cli/pkg/display/displayable" |
| "github.com/apache/skywalking-cli/pkg/graphql/metrics" |
| "github.com/apache/skywalking-cli/pkg/graphql/utils" |
| |
| "github.com/urfave/cli/v2" |
| ) |
| |
| var Multiple = &cli.Command{ |
| Name: "multiple-linear", |
| Usage: "Query multiple linear-type metrics defined in backend OAL", |
| UsageText: `Query multiple linear-type metrics defined in backend OAL. |
| |
| Examples: |
| 1. Query the global percentiles: |
| $ swctl metrics multiple-linear --name all_percentile |
| |
| 2. Relabel the labels for better readability: |
| $ swctl metrics multiple-linear --name all_percentile --labels=0,1,2,3,4 --relabels=P50,P75,P90,P95,P99 |
| `, |
| Flags: flags.Flags( |
| flags.DurationFlags, |
| flags.MetricsFlags, |
| flags.InstanceRelationFlags, |
| flags.EndpointRelationFlags, |
| flags.ProcessRelationFlags, |
| []cli.Flag{ |
| &cli.StringFlag{ |
| Name: "labels", |
| Usage: "the labels you need to query", |
| Required: false, |
| }, |
| }, |
| []cli.Flag{ |
| &cli.StringFlag{ |
| Name: "relabels", |
| Usage: `the new labels to map to the original "--labels", must be in same size and is order-sensitive. ` + |
| `"labels[i]" will be mapped to "relabels[i]"`, |
| Required: false, |
| }, |
| }, |
| ), |
| Before: interceptor.BeforeChain( |
| interceptor.DurationInterceptor, |
| interceptor.ParseEndpointRelation(false), |
| interceptor.ParseInstanceRelation(false), |
| interceptor.ParseProcessRelation(false), |
| ), |
| Action: func(ctx *cli.Context) error { |
| end := ctx.String("end") |
| start := ctx.String("start") |
| step := ctx.Generic("step") |
| |
| metricsName := ctx.String("name") |
| labelsString := ctx.String("labels") |
| relabelsString := ctx.String("relabels") |
| |
| labels := strings.Split(labelsString, ",") |
| relabels := strings.Split(relabelsString, ",") |
| |
| labelMapping := make(map[string]string) |
| switch { |
| case labelsString == "" && relabelsString != "": |
| return fmt.Errorf(`"--labels" cannot be empty when "--relabels" is given`) |
| case labelsString != "" && relabelsString != "" && len(labels) != len(relabels): |
| return fmt.Errorf(`"--labels" and "--relabels" must be in same size if both specified, but was %v != %v`, len(labels), len(relabels)) |
| case relabelsString != "": |
| for i := 0; i < len(labels); i++ { |
| labelMapping[labels[i]] = relabels[i] |
| } |
| } |
| |
| entity, err := interceptor.ParseEntity(ctx) |
| if err != nil { |
| return err |
| } |
| |
| if *entity.ServiceName == "" && entity.Scope != api.ScopeAll { |
| return fmt.Errorf("the name of service should be specified when metrics' scope is not `All`") |
| } |
| |
| duration := api.Duration{ |
| Start: start, |
| End: end, |
| Step: step.(*model.StepEnumValue).Selected, |
| } |
| |
| metricsValuesArray, err := metrics.MultipleLinearIntValues(ctx, api.MetricsCondition{ |
| Name: metricsName, |
| Entity: entity, |
| }, labels, duration) |
| |
| if err != nil { |
| return err |
| } |
| |
| reshaped := utils.MetricsValuesArrayToMap(duration, metricsValuesArray, labelMapping) |
| return display.Display(ctx, &displayable.Displayable{Data: reshaped}) |
| }, |
| } |