Merge pull request #113 from lialln/dynamic-timeout

 Add support for dynamic timeout and heartbeat in Task state

Author: lialln

Diff for: src/stepfunctions/steps/compute.py

@@ -28,7 +28,9 @@ def __init__(self, state_id, wait_for_callback=False, **kwargs):
             state_id (str): State name whose length **must be** less than or equal to 128 unicode characters. State names **must be** unique within the scope of the whole state machine.
             wait_for_callback(bool, optional): Boolean value set to `True` if the Task state should wait for callback to resume the operation. (default: False)
             timeout_seconds (int, optional): Positive integer specifying timeout for the state in seconds. If the state runs longer than the specified timeout, then the interpreter fails the state with a `States.Timeout` Error Name. (default: 60)
+            timeout_seconds_path (str, optional): Path specifying the state's timeout value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             heartbeat_seconds (int, optional): Positive integer specifying heartbeat timeout for the state in seconds. This value should be lower than the one specified for `timeout_seconds`. If more time than the specified heartbeat elapses between heartbeats from the task, then the interpreter fails the state with a `States.Timeout` Error Name.
+            heartbeat_seconds_path (str, optional): Path specifying the state's heartbeat value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             comment (str, optional): Human-readable comment or description. (default: None)
             input_path (str, optional): Path applied to the state’s raw input to select some or all of it; that selection is used by the state. (default: '$')
             parameters (dict, optional): The value of this field becomes the effective input for the state.
@@ -55,7 +57,9 @@ def __init__(self, state_id, wait_for_completion=True, **kwargs):
             state_id (str): State name whose length **must be** less than or equal to 128 unicode characters. State names **must be** unique within the scope of the whole state machine.
             wait_for_completion(bool, optional): Boolean value set to `True` if the Task state should wait for the glue job to complete before proceeding to the next step in the workflow. Set to `False` if the Task state should submit the glue job and proceed to the next step. (default: True)
             timeout_seconds (int, optional): Positive integer specifying timeout for the state in seconds. If the state runs longer than the specified timeout, then the interpreter fails the state with a `States.Timeout` Error Name. (default: 60)
+            timeout_seconds_path (str, optional): Path specifying the state's timeout value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             heartbeat_seconds (int, optional): Positive integer specifying heartbeat timeout for the state in seconds. This value should be lower than the one specified for `timeout_seconds`. If more time than the specified heartbeat elapses between heartbeats from the task, then the interpreter fails the state with a `States.Timeout` Error Name.
+            heartbeat_seconds_path (str, optional): Path specifying the state's heartbeat value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             comment (str, optional): Human-readable comment or description. (default: None)
             input_path (str, optional): Path applied to the state’s raw input to select some or all of it; that selection is used by the state. (default: '$')
             parameters (dict, optional): The value of this field becomes the effective input for the state.
@@ -82,7 +86,9 @@ def __init__(self, state_id, wait_for_completion=True, **kwargs):
             state_id (str): State name whose length **must be** less than or equal to 128 unicode characters. State names **must be** unique within the scope of the whole state machine.
             wait_for_completion(bool, optional): Boolean value set to `True` if the Task state should wait for the batch job to complete before proceeding to the next step in the workflow. Set to `False` if the Task state should submit the batch job and proceed to the next step. (default: True)
             timeout_seconds (int, optional): Positive integer specifying timeout for the state in seconds. If the state runs longer than the specified timeout, then the interpreter fails the state with a `States.Timeout` Error Name. (default: 60)
+            timeout_seconds_path (str, optional): Path specifying the state's timeout value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             heartbeat_seconds (int, optional): Positive integer specifying heartbeat timeout for the state in seconds. This value should be lower than the one specified for `timeout_seconds`. If more time than the specified heartbeat elapses between heartbeats from the task, then the interpreter fails the state with a `States.Timeout` Error Name.
+            heartbeat_seconds_path (str, optional): Path specifying the state's heartbeat value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             comment (str, optional): Human-readable comment or description. (default: None)
             input_path (str, optional): Path applied to the state’s raw input to select some or all of it; that selection is used by the state. (default: '$')
             parameters (dict, optional): The value of this field becomes the effective input for the state.
@@ -109,7 +115,9 @@ def __init__(self, state_id, wait_for_completion=True, **kwargs):
             state_id (str): State name whose length **must be** less than or equal to 128 unicode characters. State names **must be** unique within the scope of the whole state machine.
             wait_for_completion(bool, optional): Boolean value set to `True` if the Task state should wait for the ecs job to complete before proceeding to the next step in the workflow. Set to `False` if the Task state should submit the ecs job and proceed to the next step. (default: True)
             timeout_seconds (int, optional): Positive integer specifying timeout for the state in seconds. If the state runs longer than the specified timeout, then the interpreter fails the state with a `States.Timeout` Error Name. (default: 60)
+            timeout_seconds_path (str, optional): Path specifying the state's timeout value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             heartbeat_seconds (int, optional): Positive integer specifying heartbeat timeout for the state in seconds. This value should be lower than the one specified for `timeout_seconds`. If more time than the specified heartbeat elapses between heartbeats from the task, then the interpreter fails the state with a `States.Timeout` Error Name.
+            heartbeat_seconds_path (str, optional): Path specifying the state's heartbeat value in seconds from the state input. When resolved, the path must select a field whose value is a positive integer.
             comment (str, optional): Human-readable comment or description. (default: None)
             input_path (str, optional): Path applied to the state’s raw input to select some or all of it; that selection is used by the state. (default: '$')
             parameters (dict, optional): The value of this field becomes the effective input for the state.

Diff for: src/stepfunctions/steps/fields.py

@@ -6,9 +6,9 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# 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 
+# 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.
 from __future__ import absolute_import
 
@@ -53,9 +53,12 @@ class Field(Enum):
     MaxConcurrency   = 'max_concurrency'
 
     # Task state fields
-    Resource         = 'resource'
-    TimeoutSeconds   = 'timeout_seconds'
-    HeartbeatSeconds = 'heartbeat_seconds'
+    Resource             = 'resource'
+    TimeoutSeconds       = 'timeout_seconds'
+    TimeoutSecondsPath   = 'timeout_seconds_path'
+    HeartbeatSeconds     = 'heartbeat_seconds'
+    HeartbeatSecondsPath = 'heartbeat_seconds_path'
+
 
     # Retry and catch fields
     ErrorEquals      = 'error_equals'