Upgrade client/swagger.yaml to Firecracker 0.21.0's API definition

There are a few breaking changes apparently.

Signed-off-by: Kazuyoshi Kato <[email protected]>

COPYRIGHT_HEADER

@@ -9,4 +9,4 @@ License is located at
 or in the "license" file accompanying this file. This file is distributed
 on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 express or implied. See the License for the specific language governing
-permissions and limitations under the License.
+permissions and limitations under the License.

client/swagger.yaml

@@ -5,7 +5,7 @@ info:
                The API is accessible through HTTP calls on specific URLs
                carrying JSON modeled data.
                The transport medium is a Unix Domain Socket.
-  version: 0.20.0
+  version: 0.21.0
   termsOfService: ""
   contact:
     email: "[email protected]"
@@ -452,12 +452,9 @@ definitions:
         description: Enumeration indicating what type of action is contained in the payload
         type: string
         enum:
-        - BlockDeviceRescan
         - FlushMetrics
         - InstanceStart
         - SendCtrlAltDel
-      payload:
-        type: string
 
   InstanceInfo:
     type: object
@@ -511,12 +508,6 @@ definitions:
         type: boolean
         description: Whether or not to include the file path and line number of the log's origin.
         default: false
-      options:
-        type: array
-        items:
-          type: string
-        description: Additional logging options. Only "LogDirtyPages" is supported.
-        default: []
 
   MachineConfiguration:
     type: object

machine.go

@@ -618,7 +618,6 @@ func (m *Machine) setupLogging(ctx context.Context) error {
 		MetricsFifo:   String(m.Cfg.MetricsFifo),
 		ShowLevel:     Bool(true),
 		ShowLogOrigin: Bool(false),
-		Options:       []string{},
 	}
 
 	_, err := m.client.PutLogger(ctx, &l)