sneak
6d9631a8fc
check / check (push) Waiting to run
The new package internal/providers builds the cache, the fetcher, the processor, the image service, the session manager and the encrypted URL generator from the config. pixad's fx graph provides them with providers.Constructors(), and handlers.New receives them built. The server tests build the same graph, with only the fetcher's dial function replaced. database.New opens the database, so these parts can read it while fx builds them; the cache's stop hook still runs before the database's. Each setting's default is declared in internal/config, and internal/providers works out the default cache_max_bytes. The cache's MaxBytes is the one value for the disk cache limit, and 0 turns the disk cache off. The fetcher and the processor take explicit values. Model: opus-5-5
76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
// Package app reads the pixad command line and runs the server.
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package app
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import (
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/spf13/cobra"
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"go.uber.org/fx"
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"sneak.berlin/go/pixa/internal/config"
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"sneak.berlin/go/pixa/internal/database"
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"sneak.berlin/go/pixa/internal/globals"
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"sneak.berlin/go/pixa/internal/handlers"
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"sneak.berlin/go/pixa/internal/healthcheck"
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"sneak.berlin/go/pixa/internal/logger"
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"sneak.berlin/go/pixa/internal/middleware"
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"sneak.berlin/go/pixa/internal/providers"
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"sneak.berlin/go/pixa/internal/server"
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)
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var configPath string //nolint:gochecknoglobals // cobra flag
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// Run reads the command line and runs the server until it stops, with
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// version as the version pixad logs and reports. It exits the process
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// with status 1 when the command line is not valid.
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func Run(version string) {
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globals.Version = version
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rootCmd := &cobra.Command{
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Use: "pixad",
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Short: "Pixa image caching proxy server",
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Run: run,
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}
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rootCmd.Flags().StringVarP(&configPath, "config", "c", "", "path to config file")
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err := rootCmd.Execute()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func run(_ *cobra.Command, _ []string) {
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// Set config path in environment if specified via flag
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if configPath != "" {
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_ = os.Setenv("PIXA_CONFIG_PATH", configPath)
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}
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// A write to a closed stdout or stderr must not end the process.
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signal.Ignore(syscall.SIGPIPE)
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fx.New(
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fx.Provide(
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config.New,
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database.New,
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globals.New,
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handlers.New,
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logger.New,
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server.New,
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middleware.New,
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healthcheck.New,
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// The registry /metrics serves
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func() prometheus.Registerer { return prometheus.DefaultRegisterer },
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),
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fx.Provide(providers.Constructors()...),
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fx.Invoke(
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func(log *logger.Logger) { log.Identify() },
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func(*server.Server) {},
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),
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).Run()
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}
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