Change entrypoint from string to list

The field 'entrypoint' is a list in docker, so we change its type
to list to match the docker data model.

Change-Id: I52d833206b8927be40a604a2efc56ff3bb4fc58d

api-ref/source/parameters.yaml

@@ -834,13 +834,13 @@ entrypoint:
     The entrypoint which overwrites the default ENTRYPOINT of the image.
   in: body
   required: true
-  type: string
+  type: array
 entrypoint-request:
   description: |
     The entrypoint which overwrites the default ENTRYPOINT of the image.
   in: body
   required: false
-  type: string
+  type: array
 environment:
   description: |
     The environment variables to set in the container.

zun/api/controllers/v1/schemas/parameter_types.py

@@ -86,7 +86,7 @@ command_list = {
 }
 
 entrypoint = {
-    'type': ['string', 'null']
+    'type': ['array', 'null']
 }
 
 auto_remove = {

zun/db/sqlalchemy/alembic/versions/f979327df44b_add_entrypoint_to_container.py

@@ -27,6 +27,8 @@ depends_on = None
 from alembic import op
 import sqlalchemy as sa
 
+import zun
+
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
@@ -34,7 +36,7 @@ def upgrade():
         batch_op.add_column(
             sa.Column(
                 'entrypoint',
-                sa.String(length=255),
+                zun.db.sqlalchemy.models.JSONEncodedList(),
                 nullable=True))
 
     # ### end Alembic commands ###

zun/db/sqlalchemy/models.py

@@ -184,7 +184,7 @@ class Container(Base):
                             server_default=str(consts.TYPE_CONTAINER))
     annotations = Column(MediumText())
     cni_metadata = Column(MediumText())
-    entrypoint = Column(String(255))
+    entrypoint = Column(JSONEncodedList)
 
 
 class VolumeMapping(Base):

zun/objects/container.py

@@ -107,7 +107,7 @@ class ContainerBase(base.ZunPersistentObject, base.ZunObject):
         'registry': fields.ObjectField("Registry", nullable=True),
         'annotations': z_fields.JsonField(nullable=True),
         'cni_metadata': z_fields.JsonField(nullable=True),
-        'entrypoint': fields.StringField(nullable=True),
+        'entrypoint': fields.ListOfStringsField(nullable=True),
     }
 
     # should be redefined in subclasses

zun/tests/unit/container/docker/test_docker_driver.py

@@ -150,7 +150,7 @@ class TestDockerDriver(base.DriverTestCase):
             'name': '%sea8e2a25-2901-438d-8157-de7ffd68d051' %
                     consts.NAME_PREFIX,
             'command': ['fake_command'],
-            'entrypoint': 'fake_entrypoint',
+            'entrypoint': ['fake_entrypoint'],
             'environment': {'key1': 'val1', 'key2': 'val2'},
             'working_dir': '/home/ubuntu',
             'labels': {'key1': 'val1', 'key2': 'val2'},
@@ -224,7 +224,7 @@ class TestDockerDriver(base.DriverTestCase):
             'name': '%sea8e2a25-2901-438d-8157-de7ffd68d051' %
                     consts.NAME_PREFIX,
             'command': ['fake_command'],
-            'entrypoint': 'fake_entrypoint',
+            'entrypoint': ['fake_entrypoint'],
             'environment': {'key1': 'val1', 'key2': 'val2'},
             'working_dir': '/home/ubuntu',
             'labels': {'key1': 'val1', 'key2': 'val2'},
@@ -296,7 +296,7 @@ class TestDockerDriver(base.DriverTestCase):
             'name': '%sea8e2a25-2901-438d-8157-de7ffd68d051' %
                     consts.NAME_PREFIX,
             'command': ['fake_command'],
-            'entrypoint': 'fake_entrypoint',
+            'entrypoint': ['fake_entrypoint'],
             'environment': {'key1': 'val1', 'key2': 'val2'},
             'working_dir': '/home/ubuntu',
             'labels': {'key1': 'val1', 'key2': 'val2'},

zun/tests/unit/db/utils.py

@@ -103,7 +103,7 @@ def get_test_container(**kwargs):
         'capsule_id': kwargs.get('capsule_id', 33),
         'annotations': kwargs.get('annotations', '{"key": "val"}'),
         'cni_metadata': kwargs.get('cni_metadata', '{"key": "val"}'),
-        'entrypoint': kwargs.get('entrypoint', 'fake_entrypoint'),
+        'entrypoint': kwargs.get('entrypoint', ['fake_entrypoint']),
     }
 
 

zun/tests/unit/objects/test_objects.py

@@ -344,10 +344,10 @@ class TestObject(test_base.TestCase, _TestObject):
 # For more information on object version testing, read
 # https://docs.openstack.org/zun/latest/
 object_data = {
-    'Capsule': '1.4-85456b38adcac18d823e86e19c71bdf0',
-    'CapsuleContainer': '1.4-0ca5d5683474b1288a9e3bcea7e4f1d3',
-    'CapsuleInitContainer': '1.4-0ca5d5683474b1288a9e3bcea7e4f1d3',
-    'Container': '1.44-9734f84e52fc04abd0a7e206f398e15b',
+    'Capsule': '1.4-66820eeca01c71b41db2270e7321ffe4',
+    'CapsuleContainer': '1.4-740c49be2097362c640f39765cf2706e',
+    'CapsuleInitContainer': '1.4-740c49be2097362c640f39765cf2706e',
+    'Container': '1.44-63357c7ce1fa6b6fdb462296b8d556cf',
     'Cpuset': '1.0-06c4e6335683c18b87e2e54080f8c341',
     'Volume': '1.0-034768f2f5c5e89acb5ee45c6d3f3403',
     'VolumeMapping': '1.5-57febc66526185a75a744637e7a387c7',