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WIP: Reporting services, #264

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22 changes: 20 additions & 2 deletions cmd/host-agent/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,14 @@ import (
"strconv"
"sync"

"github.com/k0kubun/pp"
"github.com/middleware-labs/mw-agent/pkg/agent"
"github.com/middleware-labs/synthetics-agent/pkg/worker"
"gopkg.in/natefinch/lumberjack.v2"

"github.com/kardianos/service"
cli "github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"

"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
Expand All @@ -45,7 +45,17 @@ func (p *program) Start(s service.Service) error {

p.programWG.Add(1)
go p.run()

if p.hostAgent.EnableInjector {
pp.Println("Oh baby we injecting .....")
p.programWG.Add(1)
go func() {
p.hostAgent.ReportServices(p.errCh, p.stopCh)
p.programWG.Done()
}()
p.logger.Info("Oh baby we injectin' real hard...")
} else {
p.logger.Info("injector status reporting disabled")
}
// Start any goroutines that can control collection
if p.hostAgent.FetchAccountOtelConfig {
// Listen to the config changes provided by Middleware API
Expand Down Expand Up @@ -135,6 +145,14 @@ func getFlags(execPath string, cfg *agent.HostConfig) []cli.Flag {
DefaultText: "true",
Value: true,
}),
altsrc.NewBoolFlag(&cli.BoolFlag{
Name: "enable_injector",
EnvVars: []string{"MW_ENABLE_INJECTOR "},
Usage: "Enables the mw-injector",
Destination: &cfg.EnableInjector,
DefaultText: "true",
Value: true,
}),
altsrc.NewStringFlag(&cli.StringFlag{
Name: "docker-endpoint",
EnvVars: []string{"MW_DOCKER_ENDPOINT"},
Expand Down
9 changes: 5 additions & 4 deletions go.mod
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
module github.com/middleware-labs/mw-agent

go 1.24.2

toolchain go1.24.5
go 1.25.3

replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/filter => github.com/middleware-labs/opentelemetry-collector-contrib/internal/filter v0.0.0-20251119125747-84554b33c7be

Expand Down Expand Up @@ -42,6 +40,8 @@ replace github.com/open-telemetry/opentelemetry-collector-contrib/processor/reso

replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/metadataproviders => github.com/middleware-labs/opentelemetry-collector-contrib/internal/metadataproviders v0.0.0-20251119125747-84554b33c7be

replace github.com/middleware-labs/java-injector => ../mw-injector

replace go.opentelemetry.io/collector => go.opentelemetry.io/collector v0.139.0

require (
Expand Down Expand Up @@ -117,6 +117,8 @@ require (
)

require (
github.com/k0kubun/pp v3.0.1+incompatible
github.com/middleware-labs/java-injector v0.0.0-20251201104016-5041a9e06475
github.com/middleware-labs/synthetics-agent v1.0.56
github.com/open-telemetry/opentelemetry-collector-contrib/processor/groupbyattrsprocessor v0.139.0
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/datadogreceiver v0.139.0
Expand Down Expand Up @@ -304,7 +306,6 @@ require (
github.com/jpillora/backoff v1.0.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/julienschmidt/httprouter v1.3.0 // indirect
github.com/k0kubun/pp v3.0.1+incompatible // indirect
github.com/klauspost/compress v1.18.1 // indirect
github.com/klauspost/cpuid/v2 v2.2.5 // indirect
github.com/knadh/koanf v1.5.0 // indirect
Expand Down
33 changes: 33 additions & 0 deletions pkg/agent/definitions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,7 @@ type BaseConfig struct {
ProfilngServerURL string
InternalMetricsPort uint
EnableDataDogReceiver bool
EnableInjector bool
}

// String() implements stringer interface for BaseConfig
Expand Down Expand Up @@ -427,3 +428,35 @@ func (p *Profiler) StartProfiling(appName string, target string, tags string) {

p.Logger.Info("PROFILER: Running on mw-agent")
}

// ServiceSetting represents the detailed status for a single service/process.
type ServiceSetting struct {
PID int `json:"pid"`
ServiceName string `json:"service_name"`
Owner string `json:"owner"`
Status string `json:"status"`
Enabled bool `json:"enabled"`
ServiceType string `json:"service_type"`
Language string `json:"language"`
RuntimeVersion string `json:"runtime_version"`
SystemdUnit string `json:"systemd_unit,omitempty"`
JarFile string `json:"jar_file,omitempty"`
MainClass string `json:"main_class,omitempty"`
HasAgent bool `json:"has_agent"`
IsMiddlewareAgent bool `json:"is_middleware_agent"`
AgentPath string `json:"agent_path,omitempty"`
ConfigPath string `json:"config_path,omitempty"`
Instrumented bool `json:"instrumented"`
Key string `json:"key"`
}

// OSConfig represents the configuration and status for a specific OS (e.g., "linux").
type OSConfig struct {
AgentRestartStatus bool `json:"agent_restart_status"`
AutoInstrumentationInit bool `json:"auto_instrumentation_init"`
AutoInstrumentationSettings map[string]ServiceSetting `json:"auto_instrumentation_settings"`
// Add other OS-specific fields (darwin, windows, k8s, etc.) if needed
}

// AgentReportValue is the root structure for the 'value' field's JSON content.
type AgentReportValue map[string]OSConfig
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