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https://issues.apache.org/jira/browse/AIRFLOW-5328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16920400#comment-16920400
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Elad commented on AIRFLOW-5328:
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[~Swalloow] EmrJobFlowSensor doesn't have the functionality I'm after.
It asks for state of the JobFlow until it reaches a terminal state.
You use this sensor after submitted a Job to check for its progress.
I'm looking for a way to check the EMR cluster state regardless of a specific
job.
Either by sensor or by EmrCreateJobFlowOperator not to return until the Cluster
is ready.
I don't see the point by EmrCreateJobFlowOperator returning immediately then
submit a Job and have that job hang because the cluster is on BOOTSTRAPPING. I
want to submit jobs only when the cluster is ready.
> EmrCreateJobFlowOperator success when EMR isn't ready
> -----------------------------------------------------
>
> Key: AIRFLOW-5328
> URL: https://issues.apache.org/jira/browse/AIRFLOW-5328
> Project: Apache Airflow
> Issue Type: Bug
> Components: aws, operators
> Affects Versions: 1.10.4
> Reporter: Elad
> Priority: Major
>
> EmrCreateJobFlowOperator returns almost instantly.
> It shouldn't return until the Emr cluster id ready.
> It doesn't make sense to submit tasks to EMR when the cluster isn't ready.
> Currently, tasks are submitted and waiting until the cluster will finish its
> initialization.
> This can be checked with Waiter:
> [https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/emr.html]
> something like:
> {code:java}
> waiter =
> client.get_waiter('cluster_running').wait(ClusterId=response['JobFlowId'],
> WaiterConfig={'Delay': 32, 'MaxAttempts': 60}){code}
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