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swarm: integrate OpenTracing; propagate ctx to internal APIs (#17169)

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* swarm: propagate ctx, enable opentracing

* swarm/tracing: log error when tracing is misconfigured
This commit is contained in:
Anton Evangelatov
2018-07-13 17:40:28 +02:00
committed by Balint Gabor
parent f7d3678c28
commit 7c9314f231
170 changed files with 21762 additions and 249 deletions
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14
swarm/api/api.go
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@ -37,8 +37,10 @@ import (
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/swarm/log"
"github.com/ethereum/go-ethereum/swarm/multihash"
"github.com/ethereum/go-ethereum/swarm/spancontext"
"github.com/ethereum/go-ethereum/swarm/storage"
"github.com/ethereum/go-ethereum/swarm/storage/mru"
opentracing "github.com/opentracing/opentracing-go"
)
var (
@ -263,6 +265,12 @@ func (a *API) Resolve(ctx context.Context, uri *URI) (storage.Address, error) {
apiResolveCount.Inc(1)
log.Trace("resolving", "uri", uri.Addr)
var sp opentracing.Span
ctx, sp = spancontext.StartSpan(
ctx,
"api.resolve")
defer sp.Finish()
// if the URI is immutable, check if the address looks like a hash
if uri.Immutable() {
key := uri.Address()
@ -347,7 +355,7 @@ func (a *API) Get(ctx context.Context, manifestAddr storage.Address, path string
log.Trace("resource type", "key", manifestAddr, "hash", entry.Hash)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
rsrc, err := a.resource.Load(storage.Address(common.FromHex(entry.Hash)))
rsrc, err := a.resource.Load(ctx, storage.Address(common.FromHex(entry.Hash)))
if err != nil {
apiGetNotFound.Inc(1)
status = http.StatusNotFound
@ -486,7 +494,7 @@ func (a *API) GetDirectoryTar(ctx context.Context, uri *URI) (io.ReadCloser, err
// retrieve the entry's key and size
reader, _ := a.Retrieve(ctx, storage.Address(common.Hex2Bytes(entry.Hash)))
size, err := reader.Size(nil)
size, err := reader.Size(ctx, nil)
if err != nil {
return err
}
@ -883,7 +891,7 @@ func (a *API) BuildDirectoryTree(ctx context.Context, mhash string, nameresolver
// ResourceLookup Looks up mutable resource updates at specific periods and versions
func (a *API) ResourceLookup(ctx context.Context, addr storage.Address, period uint32, version uint32, maxLookup *mru.LookupParams) (string, []byte, error) {
var err error
rsrc, err := a.resource.Load(addr)
rsrc, err := a.resource.Load(ctx, addr)
if err != nil {
return "", nil, err
}