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feat: add basic gateway tracing (#8595)

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* add deprecation warning when tracer plugins are loaded
* add response format attribute to span in gateway handler
* add note about tracing's experimental status in godoc
* add nil check for TTL when adding name span attrs
* add basic sharness test for integration with otel collector
* add nil check in UnixFSAPI.processLink
* test: sharness check all json objs for swarm span
* add env var docs to docs/environment-variables.md
* chore: pin the otel collector version
* add tracing spans per response type (#8841)
* docs: tracing with jaeger-ui

Co-authored-by: Marcin Rataj <lidel@lidel.org>
This commit is contained in:
Gus Eggert
2022-04-04 13:24:05 -04:00
committed by GitHub
parent 282ac7f1f5
commit f855bfe6ef
30 changed files with 725 additions and 53 deletions
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25
core/coreunix/add.go
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@ -14,6 +14,7 @@ import (
files "github.com/ipfs/go-ipfs-files"
pin "github.com/ipfs/go-ipfs-pinner"
posinfo "github.com/ipfs/go-ipfs-posinfo"
"github.com/ipfs/go-ipfs/tracing"
ipld "github.com/ipfs/go-ipld-format"
logging "github.com/ipfs/go-log"
dag "github.com/ipfs/go-merkledag"
@ -158,20 +159,23 @@ func (adder *Adder) curRootNode() (ipld.Node, error) {
// Recursively pins the root node of Adder and
// writes the pin state to the backing datastore.
func (adder *Adder) PinRoot(root ipld.Node) error {
func (adder *Adder) PinRoot(ctx context.Context, root ipld.Node) error {
ctx, span := tracing.Span(ctx, "CoreUnix.Adder", "PinRoot")
defer span.End()
if !adder.Pin {
return nil
}
rnk := root.Cid()
err := adder.dagService.Add(adder.ctx, root)
err := adder.dagService.Add(ctx, root)
if err != nil {
return err
}
if adder.tempRoot.Defined() {
err := adder.pinning.Unpin(adder.ctx, adder.tempRoot, true)
err := adder.pinning.Unpin(ctx, adder.tempRoot, true)
if err != nil {
return err
}
@ -179,7 +183,7 @@ func (adder *Adder) PinRoot(root ipld.Node) error {
}
adder.pinning.PinWithMode(rnk, pin.Recursive)
return adder.pinning.Flush(adder.ctx)
return adder.pinning.Flush(ctx)
}
func (adder *Adder) outputDirs(path string, fsn mfs.FSNode) error {
@ -255,6 +259,9 @@ func (adder *Adder) addNode(node ipld.Node, path string) error {
// AddAllAndPin adds the given request's files and pin them.
func (adder *Adder) AddAllAndPin(ctx context.Context, file files.Node) (ipld.Node, error) {
ctx, span := tracing.Span(ctx, "CoreUnix.Adder", "AddAllAndPin")
defer span.End()
if adder.Pin {
adder.unlocker = adder.gcLocker.PinLock(ctx)
}
@ -330,10 +337,13 @@ func (adder *Adder) AddAllAndPin(ctx context.Context, file files.Node) (ipld.Nod
if !adder.Pin {
return nd, nil
}
return nd, adder.PinRoot(nd)
return nd, adder.PinRoot(ctx, nd)
}
func (adder *Adder) addFileNode(ctx context.Context, path string, file files.Node, toplevel bool) error {
ctx, span := tracing.Span(ctx, "CoreUnix.Adder", "AddFileNode")
defer span.End()
defer file.Close()
err := adder.maybePauseForGC(ctx)
@ -436,13 +446,16 @@ func (adder *Adder) addDir(ctx context.Context, path string, dir files.Directory
}
func (adder *Adder) maybePauseForGC(ctx context.Context) error {
ctx, span := tracing.Span(ctx, "CoreUnix.Adder", "MaybePauseForGC")
defer span.End()
if adder.unlocker != nil && adder.gcLocker.GCRequested(ctx) {
rn, err := adder.curRootNode()
if err != nil {
return err
}
err = adder.PinRoot(rn)
err = adder.PinRoot(ctx, rn)
if err != nil {
return err
}