feat(events): add events extension (#3045)

* feat: add events config

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* feat: implement event support with log sink

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* feat: integrate events and update tests

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* refactor: update event config

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* feat: implement http and nats sinks. remove log sink

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* refactor: events extension setup

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: cleanup tests to use nil event recorder

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: update events config example and add more logging

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* refactor: better use of build tags for minimal binary

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* fix: missing store param in evelated privileges tests

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* fix: regression in config decoding

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: update check logs script to enable cross-platform usage via GREP_BIN_PATH envvar

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: fix log lint issue for events

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: fix failing events disabled test

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: add blackbox tests for events

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: specify architecture when downloading binaries in Makefile

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: improve failure handling when no valid sinks are provided

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: fix data race in events test

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: cleanup event decoding

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: fix logging tests

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: make nats server test more reliable

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: go mod cleanup

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: add sleep when setting up nats client

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* fix: ensure event sink errors do not propogate

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: increase coverage for events

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* feat(events): Refactor events to be non-blocking from caller.

Signed-off-by: Asgeir Nilsen <asgeir.nilsen@bouvet.no>
Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: remove harded-coded linux

Co-authored-by: Andrei Aaron <andreifdaaron@gmail.com>
Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* feat(events): fail to start if incorrect event sink is configured

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* test: allow cli tests to return errors instead of panic

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

* chore: bump nats server to v2.11.3

Signed-off-by: Piaras Hoban <phoban01@gmail.com>

---------

Signed-off-by: Piaras Hoban <phoban01@gmail.com>
Signed-off-by: Asgeir Nilsen <asgeir.nilsen@bouvet.no>
Co-authored-by: Asgeir Nilsen <asgeir.nilsen@bouvet.no>
Co-authored-by: Andrei Aaron <andreifdaaron@gmail.com>

pkg/storage/common/common_test.go

@@ -37,7 +37,7 @@ func TestValidateManifest(t *testing.T) {
 			Name:        "cache",
 			UseRelPaths: true,
 		}, log)
-		imgStore := local.NewImageStore(dir, true, true, log, metrics, nil, cacheDriver, nil)
+		imgStore := local.NewImageStore(dir, true, true, log, metrics, nil, cacheDriver, nil, nil)
 
 		content := []byte("this is a blob")
 		digest := godigest.FromBytes(content)
@@ -199,7 +199,7 @@ func TestGetReferrersErrors(t *testing.T) {
 			UseRelPaths: true,
 		}, log)
 
-		imgStore := local.NewImageStore(dir, false, true, log, metrics, nil, cacheDriver, nil)
+		imgStore := local.NewImageStore(dir, false, true, log, metrics, nil, cacheDriver, nil, nil)
 
 		artifactType := "application/vnd.example.icecream.v1"
 		validDigest := godigest.FromBytes([]byte("blob"))
@@ -420,7 +420,7 @@ func TestGetBlobDescriptorFromRepo(t *testing.T) {
 
 	driver := local.New(true)
 	imgStore := imagestore.NewImageStore(tdir, tdir, true,
-		true, log, metrics, nil, driver, cacheDriver, nil)
+		true, log, metrics, nil, driver, cacheDriver, nil, nil)
 
 	repoName := "zot-test"