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120 lines
2.8 KiB
120 lines
2.8 KiB
package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"path"
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"syscall"
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"time"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/api"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/cfg"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/mailinglist"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/pow"
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"github.com/mediocregopher/mediocre-go-lib/v2/mctx"
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"github.com/mediocregopher/mediocre-go-lib/v2/mlog"
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"github.com/tilinna/clock"
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)
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func loggerFatalErr(ctx context.Context, logger *mlog.Logger, descr string, err error) {
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logger.Fatal(ctx, fmt.Sprintf("%s: %v", descr, err))
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}
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func main() {
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ctx := context.Background()
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cfg := cfg.New()
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dataDir := cfg.String("data-dir", ".", "Directory to use for long term storage")
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var powMgrParams pow.ManagerParams
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powMgrParams.SetupCfg(cfg)
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ctx = mctx.WithAnnotator(ctx, &powMgrParams)
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var mailerParams mailinglist.MailerParams
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mailerParams.SetupCfg(cfg)
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ctx = mctx.WithAnnotator(ctx, &mailerParams)
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var mlParams mailinglist.Params
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mlParams.SetupCfg(cfg)
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ctx = mctx.WithAnnotator(ctx, &mlParams)
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var apiParams api.Params
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apiParams.SetupCfg(cfg)
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ctx = mctx.WithAnnotator(ctx, &apiParams)
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// initialization
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err := cfg.Init(ctx)
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logger := mlog.NewLogger(nil)
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defer logger.Close()
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logger.Info(ctx, "process started")
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defer logger.Info(ctx, "process exiting")
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if err != nil {
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loggerFatalErr(ctx, logger, "initializing", err)
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}
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ctx = mctx.Annotate(ctx,
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"dataDir", *dataDir,
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)
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clock := clock.Realtime()
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powStore := pow.NewMemoryStore(clock)
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defer powStore.Close()
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powMgrParams.Store = powStore
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powMgrParams.Clock = clock
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powMgr := pow.NewManager(powMgrParams)
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var mailer mailinglist.Mailer
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if mailerParams.SMTPAddr == "" {
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logger.Info(ctx, "-smtp-addr not given, using a fake Mailer")
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mailer = mailinglist.NewLogMailer(logger.WithNamespace("fake-mailer"))
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} else {
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mailer = mailinglist.NewMailer(mailerParams)
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}
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mlStore, err := mailinglist.NewStore(path.Join(*dataDir, "mailinglist.sqlite3"))
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if err != nil {
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loggerFatalErr(ctx, logger, "initializing mailing list storage", err)
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}
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defer mlStore.Close()
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mlParams.Store = mlStore
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mlParams.Mailer = mailer
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mlParams.Clock = clock
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ml := mailinglist.New(mlParams)
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apiParams.Logger = logger.WithNamespace("api")
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apiParams.PowManager = powMgr
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apiParams.MailingList = ml
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logger.Info(ctx, "listening")
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a, err := api.New(apiParams)
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if err != nil {
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loggerFatalErr(ctx, logger, "initializing api", err)
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}
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defer func() {
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shutdownCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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if err := a.Shutdown(shutdownCtx); err != nil {
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loggerFatalErr(ctx, logger, "shutting down api", err)
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}
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}()
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// wait
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sigCh := make(chan os.Signal)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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<-sigCh
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// let the defers begin
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}
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