implement volume mount for container job (#1101)

* implement volume mount for container job

* Update pkg/runner/run_context.go

Co-authored-by: Ryan <me@hackerc.at>

* add tests for container volume mount options

* remove unused code

* prefer if-else instead of if-continue

* remove continue

* add some tests

Co-authored-by: Ryan <me@hackerc.at>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/model/testdata/container-volumes/push.yml

@@ -0,0 +1,19 @@
+name: Job Container
+on: push
+
+jobs:
+  with-volumes:
+    runs-on: ubuntu-latest
+    container:
+      image: node:16-buster-slim
+      volumes:
+        - my_docker_volume:/path/to/volume
+        - /path/to/nonexist/directory
+        - /proc/sys/kernel/random/boot_id:/current/boot_id
+    steps:
+      - run: |
+          set -e
+          test -d /path/to/volume
+          test "$(cat /proc/sys/kernel/random/boot_id)" = "$(cat /current/boot_id)"
+          test -d /path/to/nonexist/directory
+  

pkg/model/workflow_test.go

@@ -112,6 +112,10 @@ jobs:
         password: registry-password
       env:
         HOME: /home/user
+      volumes:
+        - my_docker_volume:/volume_mount
+        - /data/my_data
+        - /source/directory:/destination/directory
     runs-on: ubuntu-latest
     steps:
     - uses: ./actions/docker-url
@@ -127,6 +131,11 @@ jobs:
 	assert.Contains(t, container.Env["HOME"], "/home/user")
 	assert.Contains(t, container.Credentials["username"], "registry-username")
 	assert.Contains(t, container.Credentials["password"], "registry-password")
+	assert.ElementsMatch(t, container.Volumes, []string{
+		"my_docker_volume:/volume_mount",
+		"/data/my_data",
+		"/source/directory:/destination/directory",
+	})
 }
 
 func TestReadWorkflow_StepsTypes(t *testing.T) {