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https://issues.apache.org/jira/browse/NIFI-12115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17771686#comment-17771686
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Joe Witt commented on NIFI-12115:
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[~exceptionfactory] I am leaving unresolved but for 2.x line it is resolved.
Please wrap up the support/1.x merge and then resolve. THanks
> Add ListenOTLP Processor for Collecting OpenTelemetry
> -----------------------------------------------------
>
> Key: NIFI-12115
> URL: https://issues.apache.org/jira/browse/NIFI-12115
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: David Handermann
> Assignee: David Handermann
> Priority: Major
> Fix For: 2.0.0, 1.latest
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> The OpenTelemetry framework provides a common set of standards for collecting
> and transmitting observability information including logs, metrics, and
> traces. The [OLTP Specification
> 1.0.0|https://opentelemetry.io/docs/specs/otlp/] defines protocol definitions
> for sending and receiving telemetry information over gRPC and HTTP.
> A new Processor should be implemented to support collecting OpenTelemetry.
> The Processor should support both OLTP/gRPC and OLTP/HTTP transmission.
> Support for OLTP/HTTP should include content type detection and handling for
> either Protobuf or JSON encoding to enable collection from a wide variety of
> sources. The OLTP Specification describes standard REST resource paths for
> telemetry requests types that the Processor should accept. The Processor
> should also support HTTPS transmission with a configurable Client
> Authentication policy to enable mutual TLS when necessary.
> Similar to other listening Processors, the ListenOTLP Processor should
> support output batching that preserves the original format of Export Service
> Requests, but merges arrays of resources with shared types. The initial
> version should write output in JSON, following the OLTP Specification, with
> internal conversion from Protobuf.
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