REPL: Initial GraphQL Schema (#4214)

Author: jharvey10

internal/service/graphql/graph/schema/alloy.graphqls

@@ -0,0 +1,30 @@
+extend type Query {
+  """
+  Information about the running Alloy instance.
+  """
+  alloy: Alloy!
+}
+
+"""
+Represents build and runtime information for an Alloy instance.
+Contains version control and build environment details.
+"""
+type Alloy {
+  "The git branch from which this build was created"
+  branch: String!
+
+  "The timestamp of when this build was created"
+  buildDate: String!
+
+  "The user account that initiated this build"
+  buildUser: String!
+
+  "Whether the Alloy instance is up and running"
+  isReady: Boolean!
+
+  "The git commit hash from which this build was created"
+  revision: String!
+
+  "The semantic version of this Alloy build"
+  version: String!
+}

internal/service/graphql/graph/schema/base.graphqls

@@ -0,0 +1,7 @@
+# Base GraphQL schema
+# Root types that other schemas extend
+
+type Query
+# type Mutation
+
+scalar Time

internal/service/graphql/graph/schema/components.graphqls

@@ -0,0 +1,33 @@
+extend type Query {
+  """
+  All components running in Alloy.
+  """
+  components: [Component!]!
+
+  """
+  Component by ID.
+  """
+  component(id: ID!): Component
+}
+
+type Component {
+  "Health status of the component."
+  health: Health!
+
+  "Fully-qualified ID of the component."
+  id: ID!
+
+  "Name of the component."
+  name: String!
+}
+
+"""
+Health status of the component.
+"""
+type Health {
+  "Message of the health status."
+  message: String!
+
+  "Last updated time of the health status."
+  lastUpdated: Time!
+}