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main.go
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main.go
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package main
import (
"fmt"
"log"
"os"
"time"
"golang.org/x/xerrors"
"github.com/kozmod/progen/internal"
"github.com/kozmod/progen/internal/config"
"github.com/kozmod/progen/internal/entity"
"github.com/kozmod/progen/internal/factory"
"github.com/kozmod/progen/internal/flag"
)
func main() {
flags := flag.Parse()
if flags.Version {
fmt.Println(internal.GetVersion())
return
}
logFatalSuffixFn := func(s string) string {
const pv, v = "%+v", "%v"
if flags.PrintErrorStackTrace {
return s + pv
}
return s + v
}
logger, err := factory.NewLogger(flags.Verbose)
if err != nil {
log.Fatalf(logFatalSuffixFn("create logger: "), err)
}
defer func() {
_ = logger.Sync()
}()
{
if err = os.Chdir(flags.AWD); err != nil {
logger.Fatalf(logFatalSuffixFn("changes the application working directory: "), xerrors.Errorf("%w", err))
}
var awd string
awd, err = os.Getwd()
if err != nil {
logger.Fatalf(logFatalSuffixFn("get the application working directory: "), xerrors.Errorf("%w", err))
}
logger.Infof("application working directory: %s", awd)
}
defer func(start time.Time) {
logger.Infof("execution time: %v", time.Since(start))
}(time.Now())
logger.Infof("configuration file: %s", flags.FileLocationMessage())
data, err := config.NewConfigReader(flags).Read()
if err != nil {
logger.Fatalf(logFatalSuffixFn("read config: "), err)
}
rawConfig, templateData, err := config.NewRawPreprocessor(
flags.ConfigPath,
flags.TemplateVars.Vars,
entity.TemplateFnsMap,
[]string{flags.MissingKey.String()},
).Process(data)
if err != nil {
logger.Fatalf(logFatalSuffixFn("preprocess raw config: "), err)
}
if flags.PrintProcessedConfig {
logger.ForceInfof("preprocessed config:\n%s", string(rawConfig))
}
var (
conf config.Config
)
conf, err = config.NewYamlConfigUnmarshaler().Unmarshal(rawConfig)
if err != nil {
logger.Fatalf(logFatalSuffixFn("unmarshal config: "), err)
}
if err = conf.Validate(); err != nil {
logger.Fatalf(logFatalSuffixFn("validate config: "), err)
}
procChain, err := factory.NewExecutorChain(
conf,
factory.NewActionFilter(
flags.Skip,
flags.Group,
conf.Settings.Groups.GroupByAction(),
conf.Settings.Groups.ManualActions(),
logger,
),
templateData,
[]string{flags.MissingKey.String()},
logger,
flags.PreprocessFiles,
flags.DryRun)
if err != nil {
logger.Fatalf(logFatalSuffixFn("create processors chain: "), err)
}
err = procChain.Exec()
if err != nil {
logger.Fatalf(logFatalSuffixFn("execute chain: "), err)
}
}