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Move error handing out of scan workers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package checks | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "log/slog" | ||
|
|
||
| "github.com/cloudflare/pint/internal/comments" | ||
| "github.com/cloudflare/pint/internal/discovery" | ||
| "github.com/cloudflare/pint/internal/parser" | ||
| ) | ||
|
|
||
| const ( | ||
| ErrorCheckName = "error" | ||
|
|
||
| yamlParseReporter = "yaml/parse" | ||
| ignoreFileReporter = "ignore/file" | ||
| pintCommentReporter = "pint/comment" | ||
|
|
||
| yamlDetails = `This Prometheus rule is not valid. | ||
| This usually means that it's missing some required fields.` | ||
| ) | ||
|
|
||
| func NewErrorCheck(err error) ErrorCheck { | ||
| return ErrorCheck{err: err} | ||
| } | ||
|
|
||
| type ErrorCheck struct { | ||
| err error | ||
| } | ||
|
|
||
| func (c ErrorCheck) Meta() CheckMeta { | ||
| return CheckMeta{ | ||
| States: []discovery.ChangeType{ | ||
| discovery.Noop, | ||
| discovery.Added, | ||
| discovery.Modified, | ||
| discovery.Moved, | ||
| discovery.Removed, | ||
| }, | ||
| IsOnline: false, | ||
| AlwaysEnabled: true, | ||
| } | ||
| } | ||
|
|
||
| func (c ErrorCheck) String() string { | ||
| return ErrorCheckName | ||
| } | ||
|
|
||
| func (c ErrorCheck) Reporter() string { | ||
| return ErrorCheckName | ||
| } | ||
|
|
||
| func (c ErrorCheck) Check(_ context.Context, _ discovery.Path, rule parser.Rule, _ []discovery.Entry) (problems []Problem) { | ||
| var commentErr comments.CommentError | ||
| var ignoreErr discovery.FileIgnoreError | ||
|
|
||
| switch { | ||
| case errors.As(c.err, &ignoreErr): | ||
| slog.Debug("ignore/file report", slog.Any("err", ignoreErr)) | ||
| problems = append(problems, Problem{ | ||
| Lines: parser.LineRange{ | ||
| First: ignoreErr.Line, | ||
| Last: ignoreErr.Line, | ||
| }, | ||
| Reporter: ignoreFileReporter, | ||
| Text: ignoreErr.Error(), | ||
| Severity: Information, | ||
| }) | ||
|
|
||
| case errors.As(c.err, &commentErr): | ||
| slog.Debug("invalid comment report", slog.Any("err", commentErr)) | ||
| problems = append(problems, Problem{ | ||
| Lines: parser.LineRange{ | ||
| First: commentErr.Line, | ||
| Last: commentErr.Line, | ||
| }, | ||
| Reporter: pintCommentReporter, | ||
| Text: "This comment is not a valid pint control comment: " + commentErr.Error(), | ||
| Severity: Warning, | ||
| }) | ||
|
|
||
| case c.err != nil: | ||
| slog.Debug("yaml syntax report", slog.Any("err", c.err)) | ||
| problems = append(problems, Problem{ | ||
| Lines: parser.LineRange{ | ||
| First: 1, | ||
| Last: 1, | ||
| }, | ||
| Reporter: yamlParseReporter, | ||
| Text: fmt.Sprintf("YAML parser returned an error when reading this file: `%s`.", c.err), | ||
| Details: `pint cannot read this file because YAML parser returned an error. | ||
| This usually means that you have an indention error or the file doesn't have the YAML structure required by Prometheus for [recording](https://prometheus.io/docs/prometheus/latest/configuration/recording_rules/) and [alerting](https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/) rules. | ||
| If this file is a template that will be rendered into valid YAML then you can instruct pint to ignore some lines using comments, see [pint docs](https://cloudflare.github.io/pint/ignoring.html). | ||
| `, | ||
| Severity: Fatal, | ||
| }) | ||
|
|
||
| case rule.Error.Err != nil: | ||
| slog.Debug("rule error report", slog.Any("err", rule.Error.Err)) | ||
| details := yamlDetails | ||
| if rule.Error.Details != "" { | ||
| details = rule.Error.Details | ||
| } | ||
| problems = append(problems, Problem{ | ||
| Lines: parser.LineRange{ | ||
| First: rule.Error.Line, | ||
| Last: rule.Error.Line, | ||
| }, | ||
| Reporter: yamlParseReporter, | ||
| Text: fmt.Sprintf("This rule is not a valid Prometheus rule: `%s`.", rule.Error.Err.Error()), | ||
| Details: details, | ||
| Severity: Fatal, | ||
| }) | ||
| } | ||
|
|
||
| return problems | ||
| } |
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