diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/sdk/resource/auto.go')
| -rw-r--r-- | vendor/go.opentelemetry.io/otel/sdk/resource/auto.go | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/resource/auto.go b/vendor/go.opentelemetry.io/otel/sdk/resource/auto.go index 4279013be..aed756c5e 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/resource/auto.go +++ b/vendor/go.opentelemetry.io/otel/sdk/resource/auto.go @@ -41,8 +41,20 @@ type Detector interface { // must never be done outside of a new major release. } -// Detect calls all input detectors sequentially and merges each result with the previous one. -// It returns the merged error too. +// Detect returns a new [Resource] merged from all the Resources each of the +// detectors produces. Each of the detectors are called sequentially, in the +// order they are passed, merging the produced resource into the previous. +// +// This may return a partial Resource along with an error containing +// [ErrPartialResource] if that error is returned from a detector. It may also +// return a merge-conflicting Resource along with an error containing +// [ErrSchemaURLConflict] if merging Resources from different detectors results +// in a schema URL conflict. It is up to the caller to determine if this +// returned Resource should be used or not. +// +// If one of the detectors returns an error that is not [ErrPartialResource], +// the resource produced by the detector will not be merged and the returned +// error will wrap that detector's error. func Detect(ctx context.Context, detectors ...Detector) (*Resource, error) { r := new(Resource) return r, detect(ctx, r, detectors) @@ -50,6 +62,10 @@ func Detect(ctx context.Context, detectors ...Detector) (*Resource, error) { // detect runs all detectors using ctx and merges the result into res. This // assumes res is allocated and not nil, it will panic otherwise. +// +// If the detectors or merging resources produces any errors (i.e. +// [ErrPartialResource] [ErrSchemaURLConflict]), a single error wrapping all of +// these errors will be returned. Otherwise, nil is returned. func detect(ctx context.Context, res *Resource, detectors []Detector) error { var ( r *Resource @@ -78,6 +94,11 @@ func detect(ctx context.Context, res *Resource, detectors []Detector) error { if len(errs) == 0 { return nil } + if errors.Is(errs, ErrSchemaURLConflict) { + // If there has been a merge conflict, ensure the resource has no + // schema URL. + res.schemaURL = "" + } return errs } |