feat(policy-templates): add new policy for allowing step functions ex… (#904)

Author: ljacobsson

examples/2016-10-31/policy_templates/all_policy_templates.yaml

@@ -87,3 +87,6 @@ Resources:
 
         - FilterLogEventsPolicy:
             LogGroupName: name
+
+        - StepFunctionsExecutionPolicy:
+            StateMachineName: name

samtranslator/policy_templates_data/policy_templates.json

@@ -1562,6 +1562,34 @@
           }
         ]
       }
+    },
+    "StepFunctionsExecutionPolicy": {
+      "Description": "Gives permission to start a Step Functions state machine execution",
+      "Parameters": {
+        "StateMachineName": {
+          "Description":"The name of the state machine to execute."
+        }
+      },
+      "Definition": {
+        "Statement": [
+          {
+            "Effect": "Allow",
+            "Action": [
+              "states:StartExecution"
+            ],
+            "Resource": {
+              "Fn::Sub": [
+                "arn:aws:states:${AWS::Region}:${AWS::AccountId}:stateMachine:${stateMachineName}",
+                {
+                  "stateMachineName": {
+                    "Ref": "StateMachineName"
+                  }
+                }
+              ]
+            }
+          }
+        ]
+      }
     }
   }
 }

tests/translator/input/all_policy_templates.yaml

@@ -143,3 +143,6 @@ Resources:
 
         - SSMParameterReadPolicy:
             ParameterName: name
+
+        - StepFunctionsExecutionPolicy:
+            StateMachineName: name

tests/translator/output/all_policy_templates.json

@@ -1215,6 +1215,27 @@
                 }
               ]
             }
+          },
+          {
+            "PolicyName": "KitchenSinkFunctionRolePolicy49",
+            "PolicyDocument": {
+              "Statement": [
+                {
+                  "Effect": "Allow",
+                  "Action": [
+                    "states:StartExecution"
+                  ],
+                  "Resource": {
+                    "Fn::Sub": [
+                      "arn:aws:states:${AWS::Region}:${AWS::AccountId}:stateMachine:${stateMachineName}",
+                      {
+                        "stateMachineName": "name"
+                      }
+                    ]
+                  }
+                }
+              ]
+            }
           }
         ],
         "AssumeRolePolicyDocument": {

tests/translator/output/aws-cn/all_policy_templates.json

@@ -1214,6 +1214,27 @@
                 }
               ]
             }
+          },
+          {
+            "PolicyName": "KitchenSinkFunctionRolePolicy49",
+            "PolicyDocument": {
+              "Statement": [
+                {
+                  "Effect": "Allow",
+                  "Action": [
+                    "states:StartExecution"
+                  ],
+                  "Resource": {
+                    "Fn::Sub": [
+                      "arn:aws:states:${AWS::Region}:${AWS::AccountId}:stateMachine:${stateMachineName}",
+                      {
+                        "stateMachineName": "name"
+                      }
+                    ]
+                  }
+                }
+              ]
+            }
           }
         ],
         "AssumeRolePolicyDocument": {

tests/translator/output/aws-us-gov/all_policy_templates.json

@@ -1215,6 +1215,27 @@
                 }
               ]
             }
+          },
+          {
+            "PolicyName": "KitchenSinkFunctionRolePolicy49",
+            "PolicyDocument": {
+              "Statement": [
+                {
+                  "Effect": "Allow",
+                  "Action": [
+                    "states:StartExecution"
+                  ],
+                  "Resource": {
+                    "Fn::Sub": [
+                      "arn:aws:states:${AWS::Region}:${AWS::AccountId}:stateMachine:${stateMachineName}",
+                      {
+                        "stateMachineName": "name"
+                      }
+                    ]
+                  }
+                }
+              ]
+            }
           }
         ],
         "AssumeRolePolicyDocument": {