Added GraphQL capability using Relay

go.mod

@@ -4,6 +4,7 @@ go 1.13
 
 require (
 	fortio.org/fortio v1.11.0
+	github.com/99designs/gqlgen v0.13.0
 	github.com/Microsoft/go-winio v0.4.14 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496
 	github.com/aspenmesh/istio-client-go v0.0.0-20191010215625-4de6e89009c4
@@ -19,6 +20,7 @@ require (
 	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-querystring v1.0.0 // indirect
 	github.com/gorilla/mux v1.8.0
+	github.com/gorilla/websocket v1.4.2
 	github.com/gosimple/slug v1.9.0
 	github.com/grafana-tools/sdk v0.0.0-20200411085644-f7626bef00b3
 	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a
@@ -36,6 +38,7 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/viper v1.7.1
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
+	github.com/vektah/gqlparser/v2 v2.1.0
 	github.com/vmihailenco/taskq/v3 v3.0.0-beta.9.0.20200519124923-d9823546b85a
 	golang.org/x/net v0.0.0-20201021035429-f5854403a974
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45

graphql/gqlgen.yml

@@ -0,0 +1,76 @@
+# Where are all the schema files located? globs are supported eg  src/**/*.graphqls
+schema:
+  - graph/*.graphqls
+
+# Where should the generated server code go?
+exec:
+  filename: graph/generated/generated.go
+  package: generated
+
+# Uncomment to enable federation
+# federation:
+#   filename: graph/generated/federation.go
+#   package: generated
+
+# Where should any generated models go?
+model:
+  filename: graph/model/models_gen.go
+  package: model
+
+# Where should the resolver implementations go?
+resolver:
+  layout: follow-schema
+  dir: graph
+  package: graph
+
+# Optional: turn on use `gqlgen:"fieldName"` tags in your models
+# struct_tag: json
+
+# Optional: turn on to use []Thing instead of []*Thing
+# omit_slice_element_pointers: false
+
+# Optional: set to speed up generation time by not performing a final validation pass.
+# skip_validation: true
+
+# gqlgen will search for any type names in the schema in these go packages
+# if they match it will use them, otherwise it will generate them.
+autobind:
+  - "github.com/layer5io/meshery/graphql/graph/model"
+
+# This section declares type mapping between the GraphQL and go type systems
+#
+# The first line in each type will be used as defaults for resolver arguments and
+# modelgen, the others will be allowed when binding to fields. Configure them to
+# your liking
+models:
+  ID:
+    model:
+      - github.com/99designs/gqlgen/graphql.ID
+      - github.com/99designs/gqlgen/graphql.Int
+      - github.com/99designs/gqlgen/graphql.Int64
+      - github.com/99designs/gqlgen/graphql.Int32
+  Int:
+    model:
+      - github.com/99designs/gqlgen/graphql.Int
+      - github.com/99designs/gqlgen/graphql.Int64
+      - github.com/99designs/gqlgen/graphql.Int32
+  Cluster:
+    fields:
+      clusterNodes:
+        resolver: true
+      namespaces:
+        resolver: true
+  ClusterNode:
+    fields:
+      pods:
+        resolver: true
+  Namespace:
+    fields:
+      deployments:
+        resolver: true
+      services:
+        resolver: true
+  Deployment:
+    fields:
+      pods:
+        resolver: true