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>

go.mod

@@ -20,6 +20,8 @@ require (
 	github.com/bmatcuk/doublestar/v4 v4.8.1
 	github.com/briandowns/spinner v1.23.2
 	github.com/chartmuseum/auth v0.5.0
+	github.com/cloudevents/sdk-go/protocol/nats/v2 v2.15.2
+	github.com/cloudevents/sdk-go/v2 v2.15.2
 	github.com/containers/image/v5 v5.34.3
 	github.com/dchest/siphash v1.2.3
 	github.com/didip/tollbooth/v7 v7.0.2
@@ -42,6 +44,8 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/migueleliasweb/go-github-mock v1.1.0
 	github.com/mitchellh/mapstructure v1.5.1-0.20231216201459-8508981c8b6c
+	github.com/nats-io/nats-server/v2 v2.11.3
+	github.com/nats-io/nats.go v1.41.2
 	github.com/nmcclain/ldap v0.0.0-20210720162743-7f8d1e44eeba
 	github.com/notaryproject/notation-core-go v1.3.0
 	github.com/notaryproject/notation-go v1.3.2
@@ -74,6 +78,7 @@ require (
 	google.golang.org/protobuf v1.36.6
 	gopkg.in/resty.v1 v1.12.0
 	gopkg.in/yaml.v3 v3.0.1
+	k8s.io/apimachinery v0.32.3
 	modernc.org/sqlite v1.37.0
 	oras.land/oras-go/v2 v2.5.0
 )
@@ -280,6 +285,7 @@ require (
 	github.com/google/go-github/v55 v55.0.0 // indirect
 	github.com/google/go-github/v64 v64.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/google/go-tpm v0.9.4 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/licenseclassifier/v2 v2.0.0 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
@@ -339,6 +345,7 @@ require (
 	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/mattn/go-shellwords v1.0.12 // indirect
 	github.com/miekg/pkcs11 v1.1.1 // indirect
+	github.com/minio/highwayhash v1.0.3 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
@@ -362,6 +369,9 @@ require (
 	github.com/muhlemmer/gu v0.3.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
+	github.com/nats-io/jwt/v2 v2.7.4 // indirect
+	github.com/nats-io/nkeys v0.4.11 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/nmcclain/asn1-ber v0.0.0-20170104154839-2661553a0484 // indirect
 	github.com/notaryproject/notation-plugin-framework-go v1.0.0 // indirect
@@ -512,7 +522,6 @@ require (
 	helm.sh/helm/v3 v3.17.3 // indirect
 	k8s.io/api v0.32.3 // indirect
 	k8s.io/apiextensions-apiserver v0.32.2 // indirect
-	k8s.io/apimachinery v0.32.3 // indirect
 	k8s.io/apiserver v0.32.2 // indirect
 	k8s.io/cli-runtime v0.32.3 // indirect
 	k8s.io/client-go v0.32.3 // indirect