Auto discover and run all issues & examples CI (#903)

* Auto discover and run all [issues] CI

* Auto discover and run all examples CI

* Fixup

* Testing

* Test [issues]

.github/workflows/rust.yml

@@ -64,7 +64,7 @@ jobs:
 
   init:
     name: Init
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       run-sqlite: ${{ contains(steps.git-log.outputs.message, '[sqlite]') }}
       run-mysql: ${{ contains(steps.git-log.outputs.message, '[mysql]') }}
@@ -89,7 +89,7 @@ jobs:
 
   clippy:
     name: Clippy
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
@@ -144,8 +144,9 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-sqlite == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         runtime: [async-std]
         tls: [native-tls, rustls]
@@ -183,8 +184,9 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-mysql == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         runtime: [actix]
         tls: [native-tls, rustls]
@@ -222,8 +224,9 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-postgres == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         runtime: [tokio]
         tls: [native-tls, rustls]
@@ -255,7 +258,7 @@ jobs:
 
   test:
     name: Unit Test
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
@@ -287,10 +290,7 @@ jobs:
     name: CLI
     needs: init
     if: ${{ (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-cli == 'true') }}
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v2
 
@@ -307,14 +307,26 @@ jobs:
             --path sea-orm-cli
             --debug
 
+  examples-matrix:
+    name: Examples Matrix
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - id: set-matrix
+        run: echo "::set-output name=path_matrix::$(find examples -type f -name 'Cargo.toml' -printf '%P\0' | jq -Rc '[  split("\u0000") | .[] | "examples/\(.)" ]')"
+    outputs:
+      path_matrix: ${{ steps.set-matrix.outputs.path_matrix }}
+
   examples:
     name: Examples
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
+    needs: examples-matrix
     strategy:
       fail-fast: false
+      max-parallel: 12
       matrix:
-        os: [ubuntu-latest]
+        path: ${{ fromJson(needs.examples-matrix.outputs.path_matrix) }}
-        path: [basic, actix_example, actix3_example, axum_example, graphql_example, rocket_example, poem_example, jsonrpsee_example, tonic_example]
     steps:
       - uses: actions/checkout@v2
 
@@ -328,51 +340,58 @@ jobs:
         with:
           command: build
           args: >
-            --manifest-path examples/${{ matrix.path }}/Cargo.toml
+            --manifest-path ${{ matrix.path }}
-
-      - name: Check existence of migration directory
-        id: migration_dir_exists
-        uses: andstor/file-existence-action@v1
-        with:
-          files: examples/${{ matrix.path }}/migration/Cargo.toml
-
-      - uses: actions-rs/cargo@v1
-        if: steps.migration_dir_exists.outputs.files_exists == 'true'
-        with:
-          command: build
-          args: >
-            --manifest-path examples/${{ matrix.path }}/migration/Cargo.toml
-
-  issues:
-    name: Issues
-    needs: init
-    if: ${{ (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-issues == 'true') }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-        path: [86, 249, 262, 319, 324, 352, 356, 471, 630, 693]
-    steps:
-      - uses: actions/checkout@v2
-
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: >
-            --manifest-path issues/${{ matrix.path }}/Cargo.toml
 
       - uses: actions-rs/cargo@v1
         with:
           command: test
           args: >
-            --manifest-path issues/${{ matrix.path }}/Cargo.toml
+            --manifest-path ${{ matrix.path }}
+
+  issues-matrix:
+    name: Issues Matrix
+    needs: init
+    if: ${{ (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-issues == 'true') }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - id: set-matrix
+        run: echo "::set-output name=path_matrix::$(find issues -type f -name 'Cargo.toml' -printf '%P\0' | jq -Rc '[  split("\u0000") | .[] | "issues/\(.)" ]')"
+    outputs:
+      path_matrix: ${{ steps.set-matrix.outputs.path_matrix }}
+
+  issues:
+    name: Issues
+    needs:
+      - init
+      - issues-matrix
+    if: ${{ (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-issues == 'true') }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        path: ${{ fromJson(needs.issues-matrix.outputs.path_matrix) }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: >
+            --manifest-path ${{ matrix.path }}
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: >
+            --manifest-path ${{ matrix.path }}
 
   sqlite:
     name: SQLite
@@ -384,7 +403,7 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-sqlite == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
       DATABASE_URL: "sqlite::memory:"
     strategy:
@@ -435,7 +454,7 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-mysql == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
       DATABASE_URL: "mysql://root:@localhost"
     strategy:
@@ -504,7 +523,7 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-mysql == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
       DATABASE_URL: "mysql://root:@localhost"
     strategy:
@@ -565,7 +584,7 @@ jobs:
         needs.init.outputs.run-partial == 'false' ||
         (needs.init.outputs.run-partial == 'true' && needs.init.outputs.run-postgres == 'true')
       }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
       DATABASE_URL: "postgres://root:root@localhost"
     strategy: