David Savage created NIFI-5693:
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Summary: PutEmail should support multiple attachments
Key: NIFI-5693
URL: https://issues.apache.org/jira/browse/NIFI-5693
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Affects Versions: 1.7.1
Reporter: David Savage
*As a* NiFi User
*I want* to create multi part emails with many attachments
*So that* I can interface NiFi flows with legacy email systems
For this use case I reviewed this comment here [1] unfortunately the legacy
system requires individual attachments and is out of my control to upgrade so
the simple MergeFile based approach will not work.
I can see three potential solutions to this:
# Update PutEmail to extend BinFiles and use a similar mechanism to MergeFiles
to collect many files from the flow. Complexity - Hard, Flexibility - High
# Update PutEmail with an optional attribute to unpack files generated by
MergeFile and add each entry as a new attachment. Complexity - Medium,
Hackiness - Medium
# Ignore PutEmail and use a custom script based on Groovy/Jython etc.
Complexity - Simple, Supportability Low
I've created a patch for 2 that I'll submit as a merge request soon. Interested
in feedback and happy to try other approaches if this is something that the
community is interested in supporting going forwards.
[1]
https://mail-archives.apache.org/mod_mbox/nifi-users/201709.mbox/%3CCALJK9a6oSdy5PXaKE0GxY1M3xQqYW8%2B0UUgsQmtbkO1qMK-MQA%40mail.gmail.com%3E
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