Peter Turcsanyi created NIFI-6078:
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Summary: Create PostSlack processor
Key: NIFI-6078
URL: https://issues.apache.org/jira/browse/NIFI-6078
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Reporter: Peter Turcsanyi
Implement a new PostSlack processor which is able to upload and attach the
FlowFile content (eg. an image) to the Slack message.
The current PutSlack processor uses Slack Webhooks which have some limitations:
- file uploading not supported, only text messages (which can contain
attachment links, but not the file to be uploaded itself)
- the current version of Slack Webhooks do not support the runtime
configuration of Channel, Username, etc, parameters any more, so these
properties of PutSlack have no effect
To overcome these limitations, the Slack Web API needs to be used instead of
Webhooks. Due to this technology change, it is better to reimplement the
functionality in a new processor than extending the existing one.
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