Manuel Ganter
cfe583fbc4
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Add push client that sends run summary to a configurable HTTP endpoint on shutdown. Execution context is read from GitHub Actions style environment variables (with Gitea fallbacks). New flag: -push-endpoint <url> Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"log/slog"
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"os"
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"os/signal"
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"syscall"
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"time"
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"edp.buildth.ing/DevFW-CICD/forgejo-runner-resource-collector/internal/collector"
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"edp.buildth.ing/DevFW-CICD/forgejo-runner-resource-collector/internal/output"
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"edp.buildth.ing/DevFW-CICD/forgejo-runner-resource-collector/internal/summary"
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)
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const (
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defaultInterval = 5 * time.Second
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defaultProcPath = "/proc"
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defaultLogLevel = "info"
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defaultLogFormat = "json"
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defaultTopN = 5
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)
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func main() {
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// Parse command line flags
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interval := flag.Duration("interval", defaultInterval, "Collection interval (e.g., 5s, 1m)")
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procPath := flag.String("proc-path", defaultProcPath, "Path to proc filesystem")
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logLevel := flag.String("log-level", defaultLogLevel, "Log level: debug, info, warn, error")
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logFormat := flag.String("log-format", defaultLogFormat, "Output format: json, text")
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topN := flag.Int("top", defaultTopN, "Number of top processes to include")
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pushEndpoint := flag.String("push-endpoint", "", "HTTP endpoint to push metrics to (e.g., http://localhost:8080/api/v1/metrics)")
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flag.Parse()
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// Setup structured logging for application logs
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appLogLevel := output.ParseLogLevel(*logLevel)
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appHandler := slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{
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Level: appLogLevel,
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})
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appLogger := slog.New(appHandler)
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// Setup metrics output writer
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metricsWriter := output.NewLoggerWriter(output.LoggerConfig{
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Output: os.Stdout,
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Format: output.ParseLogFormat(*logFormat),
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Level: slog.LevelInfo,
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})
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defer func() { _ = metricsWriter.Close() }()
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// Create collector
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c := collector.New(collector.Config{
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ProcPath: *procPath,
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Interval: *interval,
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TopN: *topN,
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}, metricsWriter, appLogger)
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// Attach summary writer to emit run summary on shutdown
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summaryWriter := summary.NewSummaryWriter(os.Stdout, *logFormat)
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c.SetSummaryWriter(summaryWriter)
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// Setup push client if endpoint is configured
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if *pushEndpoint != "" {
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pushClient := summary.NewPushClient(*pushEndpoint)
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c.SetPushClient(pushClient)
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execCtx := pushClient.ExecutionContext()
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appLogger.Info("push client configured",
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slog.String("endpoint", *pushEndpoint),
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slog.String("organization", execCtx.Organization),
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slog.String("repository", execCtx.Repository),
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slog.String("workflow", execCtx.Workflow),
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slog.String("job", execCtx.Job),
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slog.String("run_id", execCtx.RunID),
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)
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}
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// Setup signal handling for graceful shutdown
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-sigChan
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appLogger.Info("received signal", slog.String("signal", sig.String()))
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cancel()
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}()
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// Run collector
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appLogger.Info("starting resource collector",
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slog.Duration("interval", *interval),
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slog.String("proc_path", *procPath),
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slog.String("log_level", *logLevel),
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slog.String("log_format", *logFormat),
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slog.Int("top_n", *topN),
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)
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if err := c.Run(ctx); err != nil && err != context.Canceled {
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fmt.Fprintf(os.Stderr, "error: %v\n", err)
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os.Exit(1)
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}
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appLogger.Info("collector stopped gracefully")
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}
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