8de8bf0e06
* pkg/hubtest: extract methods + consistent error handling * lint * rename variables for further refactor
104 lines
3.5 KiB
Go
104 lines
3.5 KiB
Go
package hubtest
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/crowdsecurity/crowdsec/pkg/cwhub"
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)
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func (t *HubTestItem) installParserItem(item *cwhub.Item) error {
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sourcePath, err := filepath.Abs(filepath.Join(t.HubPath, item.RemotePath))
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if err != nil {
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return fmt.Errorf("can't get absolute path of '%s': %w", sourcePath, err)
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}
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sourceFilename := filepath.Base(sourcePath)
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// runtime/hub/parsers/s00-raw/crowdsecurity/
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hubDirParserDest := filepath.Join(t.RuntimeHubPath, filepath.Dir(item.RemotePath))
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// runtime/parsers/s00-raw/
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itemTypeDirDest := fmt.Sprintf("%s/parsers/%s/", t.RuntimePath, item.Stage)
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if err := os.MkdirAll(hubDirParserDest, os.ModePerm); err != nil {
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return fmt.Errorf("unable to create folder '%s': %w", hubDirParserDest, err)
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}
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if err := os.MkdirAll(itemTypeDirDest, os.ModePerm); err != nil {
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return fmt.Errorf("unable to create folder '%s': %w", itemTypeDirDest, err)
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}
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// runtime/hub/parsers/s00-raw/crowdsecurity/syslog-logs.yaml
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hubDirParserPath := filepath.Join(hubDirParserDest, sourceFilename)
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if err := Copy(sourcePath, hubDirParserPath); err != nil {
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return fmt.Errorf("unable to copy '%s' to '%s': %w", sourcePath, hubDirParserPath, err)
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}
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// runtime/parsers/s00-raw/syslog-logs.yaml
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parserDirParserPath := filepath.Join(itemTypeDirDest, sourceFilename)
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if err := os.Symlink(hubDirParserPath, parserDirParserPath); err != nil {
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if !os.IsExist(err) {
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return fmt.Errorf("unable to symlink parser '%s' to '%s': %w", hubDirParserPath, parserDirParserPath, err)
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}
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}
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return nil
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}
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func (t *HubTestItem) installParserCustomFrom(parser string, customPath string) (bool, error) {
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// we check if its a custom parser
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customParserPath := filepath.Join(customPath, parser)
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if _, err := os.Stat(customParserPath); os.IsNotExist(err) {
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return false, nil
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}
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customParserPathSplit, customParserName := filepath.Split(customParserPath)
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// because path is parsers/<stage>/<author>/parser.yaml and we wan't the stage
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splitPath := strings.Split(customParserPathSplit, string(os.PathSeparator))
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customParserStage := splitPath[len(splitPath)-3]
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// check if stage exist
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hubStagePath := filepath.Join(t.HubPath, fmt.Sprintf("parsers/%s", customParserStage))
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if _, err := os.Stat(hubStagePath); os.IsNotExist(err) {
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return false, fmt.Errorf("stage '%s' extracted from '%s' doesn't exist in the hub", customParserStage, hubStagePath)
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}
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stageDirDest := fmt.Sprintf("%s/parsers/%s/", t.RuntimePath, customParserStage)
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if err := os.MkdirAll(stageDirDest, os.ModePerm); err != nil {
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return false, fmt.Errorf("unable to create folder '%s': %w", stageDirDest, err)
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}
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customParserDest := filepath.Join(stageDirDest, customParserName)
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// if path to parser exist, copy it
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if err := Copy(customParserPath, customParserDest); err != nil {
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return false, fmt.Errorf("unable to copy custom parser '%s' to '%s': %w", customParserPath, customParserDest, err)
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}
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return true, nil
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}
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func (t *HubTestItem) installParserCustom(parser string) error {
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for _, customPath := range t.CustomItemsLocation {
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found, err := t.installParserCustomFrom(parser, customPath)
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if err != nil {
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return err
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}
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if found {
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return nil
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}
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}
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return fmt.Errorf("couldn't find custom parser '%s' in the following locations: %+v", parser, t.CustomItemsLocation)
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}
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func (t *HubTestItem) installParser(name string) error {
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if item := t.HubIndex.GetItem(cwhub.PARSERS, name); item != nil {
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return t.installParserItem(item)
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}
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return t.installParserCustom(name)
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}
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