apps/jetty.go

// Copyright 2021 Google 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 apps

import (
	"context"
	"fmt"

	"github.com/GoogleCloudPlatform/ops-agent/confgenerator"
	"github.com/GoogleCloudPlatform/ops-agent/confgenerator/fluentbit"
	"github.com/GoogleCloudPlatform/ops-agent/confgenerator/otel"
)

type MetricsReceiverJetty struct {
	confgenerator.ConfigComponent                 `yaml:",inline"`
	confgenerator.MetricsReceiverSharedJVM        `yaml:",inline"`
	confgenerator.MetricsReceiverSharedCollectJVM `yaml:",inline"`
}

const defaultJettyEndpoint = "localhost:1099"

func (r MetricsReceiverJetty) Type() string {
	return "jetty"
}

func (r MetricsReceiverJetty) Pipelines(_ context.Context) ([]otel.ReceiverPipeline, error) {
	targetSystem := "jetty"
	if r.MetricsReceiverSharedCollectJVM.ShouldCollectJVMMetrics() {
		targetSystem = fmt.Sprintf("%s,%s", targetSystem, "jvm")
	}

	return r.MetricsReceiverSharedJVM.
		WithDefaultEndpoint(defaultJettyEndpoint).
		ConfigurePipelines(
			targetSystem,
			[]otel.Component{
				otel.NormalizeSums(),
				otel.MetricsTransform(
					otel.AddPrefix("workload.googleapis.com"),
				),
				otel.ModifyInstrumentationScope(r.Type(), "1.0"),
			},
		)
}

func init() {
	confgenerator.MetricsReceiverTypes.RegisterType(func() confgenerator.MetricsReceiver { return &MetricsReceiverJetty{} })
}

type LoggingProcessorJettyAccess struct {
	confgenerator.ConfigComponent `yaml:",inline"`
}

func (p LoggingProcessorJettyAccess) Components(ctx context.Context, tag string, uid string) []fluentbit.Component {
	return genericAccessLogParser(ctx, p.Type(), tag, uid)
}

func (LoggingProcessorJettyAccess) Type() string {
	return "jetty_access"
}

type LoggingReceiverJettyAccess struct {
	LoggingProcessorJettyAccess `yaml:",inline"`
	ReceiverMixin               confgenerator.LoggingReceiverFilesMixin `yaml:",inline" validate:"structonly"`
}

func (r LoggingReceiverJettyAccess) Components(ctx context.Context, tag string) []fluentbit.Component {
	if len(r.ReceiverMixin.IncludePaths) == 0 {
		r.ReceiverMixin.IncludePaths = []string{
			"/opt/logs/*.request.log",
		}
	}
	c := r.ReceiverMixin.Components(ctx, tag)
	c = append(c, r.LoggingProcessorJettyAccess.Components(ctx, tag, "jetty_access")...)
	return c
}

func init() {
	confgenerator.LoggingProcessorTypes.RegisterType(func() confgenerator.LoggingProcessor { return &LoggingProcessorJettyAccess{} })
	confgenerator.LoggingReceiverTypes.RegisterType(func() confgenerator.LoggingReceiver { return &LoggingReceiverJettyAccess{} })
}