Update Uplink schema via GitHub Actions and remove Rust assert test (#…

…3120)

This uses a combination of Rover and
https://github.com/peter-evans/create-pull-request to create a pull
request when a schema's introspection has changed.

.github/workflows/update_uplink_schema.yml

@@ -0,0 +1,33 @@
+name: Update Uplink Schema
+run-name: ${{ github.actor }} is updating the Uplink schema 🚀
+on:
+  workflow_dispatch:
+  schedule:
+    # On the 5 of every hour
+    - cron:  '5 * * * *'
+jobs:
+  Update-Uplink-Schema:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Rover
+        run: |
+          curl -sSL https://rover.apollo.dev/nix/v0.14.1 | sh
+          echo "$HOME/.rover/bin" >> $GITHUB_PATH
+      - name: Make changes to pull request
+        run: |
+          rover graph introspect https://uplink.api.apollographql.com/ | perl -pe 'chomp if eof' > ./apollo-router/src/uplink/uplink.graphql
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/create-pull-request@v5
+        with:
+          commit-message: Update Uplink schema
+          committer: GitHub <noreply@github.com>
+          author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
+          branch: create-pull-request/uplink-schema-updates
+          add-paths: |
+            apollo-router/src/uplink/uplink.graphql
+          delete-branch: true
+          title: 'chore: Update Uplink schema'
+          body: |
+            This updates the copy of `uplink.graphql` which this repository relies on with the latest copy fetched via `rover graph introspect`.

apollo-router/src/uplink/mod.rs

@@ -418,40 +418,6 @@ mod test {
         }
     }
 
-    #[test]
-    #[cfg(not(windows))] // Don’t bother with line ending differences
-    fn test_uplink_schema_is_up_to_date() {
-        use std::path::PathBuf;
-
-        use introspector_gadget::blocking::GraphQLClient;
-        use introspector_gadget::introspect;
-        use introspector_gadget::introspect::GraphIntrospectInput;
-
-        let client = GraphQLClient::new(
-            "https://uplink.api.apollographql.com/",
-            reqwest::blocking::Client::new(),
-        );
-
-        let should_retry = true;
-        let introspection_response = introspect::run(
-            GraphIntrospectInput {
-                headers: Default::default(),
-            },
-            &client,
-            should_retry,
-        )
-        .unwrap();
-        if introspection_response.schema_sdl != include_str!("uplink.graphql") {
-            let path = PathBuf::from(std::env::var_os("OUT_DIR").unwrap()).join("uplink.graphql");
-            std::fs::write(&path, introspection_response.schema_sdl).unwrap();
-            panic!(
-                "\n\nUplink schema is out of date. Run this command to update it:\n\n    \
-                mv {} apollo-router/src/uplink/uplink.graphql\n\n",
-                path.to_str().unwrap()
-            );
-        }
-    }
-
     #[test]
     fn test_round_robin_endpoints() {
         let url1 = Url::parse("http://example1.com").expect("url must be valid");