How to concatenate constant string with jsonpath
I have AWS step machine and one of the step is used to notify failure using SNS service. I want to select some metadata from input json into outgoing message. So i am trying to concatenate constant string with jsonpath like below
"Notify Failure": {
"Type": "Task",
"Resource": "arn:aws:states:::sns:publish",
"Parameters": {
"Message.$": "A job submitted through Step Functions failed for document id $.document_id",
"Subject":"Job failed",
"TopicArn": "arn:aws:sns:us-west-2:xxxxxxx:xxxxxxxx"
},
"End": true
}
where document_id is one of the property in input json
However when i try save state machine defination i get error
There is a problem with your ASL definition, please review it and try
again The value for the field 'Message.$' must be a valid JSONPath
jsonpath aws-step-functions
asked Jan 18 at 23:31
LP13LP13
4,7571061135
add a comment |
I have AWS step machine and one of the step is used to notify failure using SNS service. I want to select some metadata from input json into outgoing message. So i am trying to concatenate constant string with jsonpath like below
"Notify Failure": {
"Type": "Task",
"Resource": "arn:aws:states:::sns:publish",
"Parameters": {
"Message.$": "A job submitted through Step Functions failed for document id $.document_id",
"Subject":"Job failed",
"TopicArn": "arn:aws:sns:us-west-2:xxxxxxx:xxxxxxxx"
},
"End": true
}
where document_id is one of the property in input json
However when i try save state machine defination i get error
There is a problem with your ASL definition, please review it and try
again The value for the field 'Message.$' must be a valid JSONPath
jsonpath aws-step-functions
asked Jan 18 at 23:31
LP13LP13
4,7571061135
add a comment |
I have AWS step machine and one of the step is used to notify failure using SNS service. I want to select some metadata from input json into outgoing message. So i am trying to concatenate constant string with jsonpath like below
"Notify Failure": {
"Type": "Task",
"Resource": "arn:aws:states:::sns:publish",
"Parameters": {
"Message.$": "A job submitted through Step Functions failed for document id $.document_id",
"Subject":"Job failed",
"TopicArn": "arn:aws:sns:us-west-2:xxxxxxx:xxxxxxxx"
},
"End": true
}
where document_id is one of the property in input json
However when i try save state machine defination i get error
There is a problem with your ASL definition, please review it and try
again The value for the field 'Message.$' must be a valid JSONPath
jsonpath aws-step-functions
asked Jan 18 at 23:31
LP13LP13
4,7571061135
I have AWS step machine and one of the step is used to notify failure using SNS service. I want to select some metadata from input json into outgoing message. So i am trying to concatenate constant string with jsonpath like below
"Notify Failure": {
"Type": "Task",
"Resource": "arn:aws:states:::sns:publish",
"Parameters": {
"Message.$": "A job submitted through Step Functions failed for document id $.document_id",
"Subject":"Job failed",
"TopicArn": "arn:aws:sns:us-west-2:xxxxxxx:xxxxxxxx"
},
"End": true
}
where document_id is one of the property in input json
However when i try save state machine defination i get error
There is a problem with your ASL definition, please review it and try
again The value for the field 'Message.$' must be a valid JSONPath
jsonpath aws-step-functions
jsonpath aws-step-functions
asked Jan 18 at 23:31
LP13LP13
4,7571061135
asked Jan 18 at 23:31
LP13LP13
4,7571061135
asked Jan 18 at 23:31
LP13LP13
4,7571061135
asked Jan 18 at 23:31
LP13LP13
4,7571061135
asked Jan 18 at 23:31
LP13LP13
4,7571061135
4,7571061135
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error toNotify Failurestate, The error would not have$document_id
– LP13
Jan 25 at 22:52
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error toNotify Failurestate, The error would not have$document_id
– LP13
Jan 25 at 22:52
add a comment |
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error toNotify Failurestate, The error would not have$document_id
– LP13
Jan 25 at 22:52
add a comment |
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
answered Jan 19 at 0:25
Athar KhanAthar Khan
985411
985411
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error toNotify Failurestate, The error would not have$document_id
– LP13
Jan 25 at 22:52
add a comment |
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error toNotify Failurestate, The error would not have$document_id
– LP13
Jan 25 at 22:52
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
Even in the preceding state how would you do that if I cannot cancatinate. And creating lambda just for concatenation is too much
– LP13
Jan 19 at 1:40
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
the state that set $.document_id needs to set full string.
– Athar Khan
Jan 19 at 7:17
also when there is an exception in preceding state, it passes the error to
Notify Failure state, The error would not have $document_id– LP13
Jan 25 at 22:52
also when there is an exception in preceding state, it passes the error to
Notify Failure state, The error would not have $document_id– LP13
Jan 25 at 22:52
add a comment |
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