mirror of
https://github.com/tarampampam/error-pages.git
synced 2024-08-30 18:22:40 +00:00
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
package cli
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import (
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"context"
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"fmt"
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"runtime"
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"strings"
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_ "github.com/urfave/cli-docs/v3" // required for `go generate` to work
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"github.com/urfave/cli/v3"
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"gh.tarampamp.am/error-pages/internal/appmeta"
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"gh.tarampamp.am/error-pages/internal/cli/build"
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"gh.tarampamp.am/error-pages/internal/cli/healthcheck"
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"gh.tarampamp.am/error-pages/internal/cli/perftest"
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"gh.tarampamp.am/error-pages/internal/cli/serve"
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"gh.tarampamp.am/error-pages/internal/logger"
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)
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//go:generate go run update_readme.go
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// NewApp creates a new console application.
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func NewApp(appName string) *cli.Command { //nolint:funlen
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var (
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logLevelFlag = cli.StringFlag{
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Name: "log-level",
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Value: logger.InfoLevel.String(),
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Usage: "logging level (" + strings.Join(logger.LevelStrings(), "/") + ")",
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Sources: cli.EnvVars("LOG_LEVEL"),
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OnlyOnce: true,
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Config: cli.StringConfig{TrimSpace: true},
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Validator: func(s string) error {
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if _, err := logger.ParseLevel(s); err != nil {
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return err
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}
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return nil
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},
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}
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logFormatFlag = cli.StringFlag{
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Name: "log-format",
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Value: logger.ConsoleFormat.String(),
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Usage: "logging format (" + strings.Join(logger.FormatStrings(), "/") + ")",
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Sources: cli.EnvVars("LOG_FORMAT"),
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OnlyOnce: true,
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Config: cli.StringConfig{TrimSpace: true},
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Validator: func(s string) error {
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if _, err := logger.ParseFormat(s); err != nil {
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return err
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}
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return nil
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},
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}
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)
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// create a "default" logger (will be swapped later with customized)
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var log, _ = logger.New(logger.InfoLevel, logger.ConsoleFormat) // error will never occur
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return &cli.Command{
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Usage: appName,
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Suggest: true,
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Before: func(ctx context.Context, c *cli.Command) error {
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var (
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logLevel, _ = logger.ParseLevel(c.String(logLevelFlag.Name)) // error ignored because the flag validates itself
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logFormat, _ = logger.ParseFormat(c.String(logFormatFlag.Name)) // --//--
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)
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configured, err := logger.New(logLevel, logFormat) // create a new logger instance
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if err != nil {
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return err
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}
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*log = *configured // swap the "default" logger with customized
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return nil
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},
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Commands: []*cli.Command{
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serve.NewCommand(log),
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build.NewCommand(log),
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healthcheck.NewCommand(log, healthcheck.NewHTTPHealthChecker()),
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perftest.NewCommand(log),
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},
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Version: fmt.Sprintf("%s (%s)", appmeta.Version(), runtime.Version()),
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Flags: []cli.Flag{ // global flags
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&logLevelFlag,
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&logFormatFlag,
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},
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}
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}
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