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main.go
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main.go
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package main
import (
"flag"
"fmt"
"os"
"github.com/fatih/color"
"github.com/grafana/loki/v3/tools/deprecated-config-checker/checker"
)
const upgradeGuideURL = "https://grafana.com/docs/loki/latest/setup/upgrade/"
func RegisterFlags(f *flag.FlagSet) {
f.BoolVar(&color.NoColor, "no-color", false, "Disable color output")
}
func main() {
var cfg checker.Config
fs := flag.NewFlagSet(os.Args[0], flag.ExitOnError)
RegisterFlags(fs)
cfg.RegisterFlags(fs)
if err := fs.Parse(os.Args[1:]); err != nil {
panic(err)
}
if err := cfg.Validate(); err != nil {
panic(err)
}
c, err := checker.NewChecker(cfg)
if err != nil {
panic(err)
}
deprecates := c.CheckConfigDeprecated()
if len(deprecates) > 0 {
fmt.Print(color.YellowString("-- Deprecated Configs --\n\n"))
for _, d := range deprecates {
fmt.Printf("%s %s\n\n", color.YellowString("[*]"), d)
}
}
deletes := c.CheckConfigDeleted()
if len(deletes) > 0 {
fmt.Print(color.RedString("-- Deleted Configs --\n\n"))
for _, d := range deletes {
fmt.Printf("%s %s\n\n", color.RedString("[-]"), d)
}
}
deprecatesRuntime := c.CheckRuntimeConfigDeprecated()
if len(deprecatesRuntime) > 0 {
fmt.Print(color.YellowString("-- Deprecated Runtime Configs --\n\n"))
for _, d := range deprecatesRuntime {
fmt.Printf("%s %s\n\n", color.YellowString("[*]"), d)
}
}
deletesRuntime := c.CheckRuntimeConfigDeleted()
if len(deletesRuntime) > 0 {
fmt.Print(color.RedString("-- Deleted Runtime Configs --\n\n"))
for _, d := range deletesRuntime {
fmt.Printf("%s %s\n\n", color.RedString("[-]"), d)
}
}
if len(deprecates) > 0 || len(deletes) > 0 {
fmt.Printf("Please refer to the upgrade guide for more details: %s\n", upgradeGuideURL)
os.Exit(1)
}
fmt.Printf("No deprecated or deleted configs found.\n")
}