Feat/pubsub (#8)

* feat: added pubsubClient

* feat: added topic and subscription

* feat: added timeout

* feat: added timeout

* refactor: prettier

* feat: clean up

* doc: added

examples/pubsub.js

@@ -0,0 +1,18 @@
+
+import { Gcp } from 'k6/x/gcp';
+
+const jsonKey = JSON.parse(open('credentials.json'))
+
+const gcp = new Gcp({
+  key: jsonKey,
+  scope: ["https://www.googleapis.com/auth/pubsub"],
+})
+export default function() {
+  const t = gcp.pubsubTopic('xxx')
+  const msgId = gcp.pubsubPublish(t, {"foo": "bar"})
+  console.log(msgId)
+
+  const s = gcp.pubsubSubscription('xxx')
+  const list = gcp.pubsubReceive(s)
+  console.log(list)
+}

go.mod

@@ -6,23 +6,32 @@ require (
 	cloud.google.com/go/monitoring v1.13.0
 	github.com/dop251/goja v0.0.0-20230531210528-d7324b2d74f7
 	go.k6.io/k6 v0.45.1
-	golang.org/x/oauth2 v0.6.0
-	google.golang.org/api v0.114.0
+	golang.org/x/oauth2 v0.8.0
+	google.golang.org/api v0.126.0
 )
 
 require (
-	cloud.google.com/go/compute v1.19.0 // indirect
+	cloud.google.com/go v0.110.2 // indirect
+	cloud.google.com/go/iam v1.1.0 // indirect
+	github.com/google/s2a-go v0.1.4 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/sync v0.2.0 // indirect
+)
+
+require (
+	cloud.google.com/go/compute v1.19.3 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/pubsub v1.33.0
 	github.com/dlclark/regexp2 v1.9.0 // indirect
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/go-sourcemap/sourcemap v2.1.4-0.20211119122758-180fcef48034+incompatible // indirect
-	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/pprof v0.0.0-20230207041349-798e818bf904 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
-	github.com/googleapis/gax-go/v2 v2.7.1 // indirect
+	github.com/googleapis/gax-go/v2 v2.11.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
@@ -39,8 +48,8 @@ require (
 	golang.org/x/text v0.9.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20230525234025-438c736192d0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20230525234020-1aefcd67740a // indirect
+	google.golang.org/genproto v0.0.0-20230530153820-e85fd2cbaebc // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230530153820-e85fd2cbaebc // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc // indirect
 	google.golang.org/grpc v1.55.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect