clawbot
b49d0068df
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The five counts the cache_stats table held are now Prometheus counters in memory, as fields of the cache. NewCache makes them and registers them on the registry it is given. pixad gives it Prometheus' default registry, which /metrics serves; each test gives it a new one. The Increment methods add to their cache's counters, so counting makes no database call. cache_stats, Cache.Stats, Service.Stats, CacheStats and the pending counts are gone, with their tests. The background goroutine now writes only access times, and its names say so: StartPendingAccessTimeWrites, StopPendingAccessTimeWrites and pendingaccesstimes.go. The two stop tests whose write under way was a count now use access times. Model: opus-5-5
74 lines
1.8 KiB
Go
74 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/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.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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