Fix building packages

- ai.backend.helpers, ai.backend.kernel, ai.backend.runner will be
  separate from ai.backend.agent and dependencies of ai.backend.agent
  when packaged.

.github/workflows/default.yml

@@ -186,13 +186,13 @@ jobs:
         ./pants --no-verify-config version
     - name: Test
       run: |
-        ./pants pacakge '::'
+        ./pants pacakge '::dist'
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
-        ./pants publish '::'
+        ./pants publish '::dist'
     - name: Upload pants log
       uses: actions/upload-artifact@v2
       with:

src/ai/backend/agent/BUILD

@@ -4,6 +4,9 @@ python_sources(
     dependencies=[
         "src/ai/backend/cli:lib",
         "src/ai/backend/common:lib",
+        "src/ai/backend/runner:lib",
+        "src/ai/backend/helpers:lib",
+        "src/ai/backend/kernel:lib",
         ":resources",
     ],
 )
@@ -59,8 +62,5 @@ resources(
         "kubernetes/*.txt",
         "kubernetes/*.tar.gz",
         "kubernetes/*.bin",
-        "../kernel/**/*",
-        "../runner/**/*",
-        "../helpers/**/*",
     ],
 )

src/ai/backend/agent/docker/agent.py

@@ -389,7 +389,8 @@ async def get_intrinsic_mounts(self) -> Sequence[Mount]:
 
     def resolve_krunner_filepath(self, filename) -> Path:
         return Path(pkg_resources.resource_filename(
-            'ai.backend.agent', '../' + filename)).resolve()
+            'ai.backend.runner', '../' + filename,
+        )).resolve()
 
     def get_runner_mount(
         self,

src/ai/backend/helpers/README.md

@@ -0,0 +1 @@
+# Backend.AI In-kernel Helper Package

src/ai/backend/kernel/README.md

@@ -0,0 +1 @@
+# Backend.AI Kernel Runner

src/ai/backend/runner/README.md

@@ -0,0 +1,2 @@
+# Backend.AI Kernel Runner Binary Components
+