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package importer
import (
"context"
"fmt"
"os/exec"
"slices"
"strings"
"time"
"go.alanpearce.eu/searchix/internal/config"
"go.alanpearce.eu/searchix/internal/fetcher"
"go.alanpearce.eu/searchix/internal/index"
"go.alanpearce.eu/x/log"
"github.com/pkg/errors"
)
func createSourceImporter(
parent context.Context,
log *log.Logger,
meta *index.Meta,
indexer *index.WriteIndex,
forceUpdate bool,
) func(*config.Source) error {
return func(source *config.Source) error {
logger := log.With(
"name",
source.Key,
"fetcher",
source.Fetcher.String(),
"timeout",
source.Timeout.Duration,
)
logger.Debug("starting fetcher")
fetcher, err := fetcher.New(source, logger)
if err != nil {
return errors.WithMessage(err, "error creating fetcher")
}
sourceMeta := meta.GetSourceMeta(source.Key)
if forceUpdate {
sourceMeta.Updated = time.Time{}
}
previousUpdate := sourceMeta.Updated
ctx, cancel := context.WithTimeout(parent, source.Timeout.Duration)
defer cancel()
files, err := fetcher.FetchIfNeeded(ctx, &sourceMeta)
if err != nil {
var exerr *exec.ExitError
if errors.As(err, &exerr) {
lines := strings.Split(strings.TrimSpace(string(exerr.Stderr)), "\n")
for _, line := range lines {
logger.Error(
"importer fetch failed",
"stderr",
line,
"status",
exerr.ExitCode(),
)
}
}
return errors.WithMessage(err, "importer fetch failed")
}
logger.Info(
"importer fetch succeeded",
"previous",
previousUpdate,
"current",
sourceMeta.Updated,
"is_updated",
sourceMeta.Updated.After(previousUpdate),
"update_force",
forceUpdate,
)
if sourceMeta.Updated.After(previousUpdate) || forceUpdate {
err = setRepoRevision(files.Revision, source)
if err != nil {
logger.Warn("could not set source repo revision", "error", err)
}
var processor Processor
logger.Debug(
"creating processor",
"importer_type",
source.Importer,
"revision",
source.Repo.Revision,
)
switch source.Importer {
case config.Options:
logger.Debug("processor created", "file", fmt.Sprintf("%T", files.Options))
processor, err = NewOptionProcessor(
files.Options,
source,
logger.Named("processor"),
)
case config.Packages:
processor, err = NewPackageProcessor(
files.Packages,
source,
logger.Named("processor"),
)
}
if err != nil {
return errors.WithMessagef(err, "failed to create processor")
}
hadWarnings, err := process(ctx, indexer, processor, logger)
if err != nil {
return errors.WithMessagef(err, "failed to process source")
}
if hadWarnings {
logger.Warn("importer succeeded, but with warnings/errors")
} else {
logger.Info("importer succeeded")
}
}
sourceMeta.Rev = source.Repo.Revision
meta.SetSourceMeta(source.Key, sourceMeta)
return nil
}
}
func Start(
cfg *config.Config,
log *log.Logger,
indexer *index.WriteIndex,
forceUpdate bool,
onlyUpdateSources *[]string,
) error {
if len(cfg.Importer.Sources) == 0 {
log.Info("No sources enabled")
return nil
}
log.Debug("starting importer", "timeout", cfg.Importer.Timeout.Duration)
importCtx, cancelImport := context.WithTimeout(
context.Background(),
cfg.Importer.Timeout.Duration,
)
defer cancelImport()
forceUpdate = forceUpdate || (onlyUpdateSources != nil && len(*onlyUpdateSources) > 0)
meta := indexer.Meta
importSource := createSourceImporter(importCtx, log, meta, indexer, forceUpdate)
for name, source := range cfg.Importer.Sources {
if onlyUpdateSources != nil && len(*onlyUpdateSources) > 0 {
if !slices.Contains(*onlyUpdateSources, name) {
continue
}
}
err := importSource(source)
if err != nil {
log.Error("import failed", "source", name, "error", err)
}
}
err := indexer.SaveMeta()
if err != nil {
return errors.Wrap(err, "failed to save metadata")
}
return nil
}
|