[resourceprocessor] share atrribute data between resource attribte and span/log/metrics attributes

[Frapschen]

Component(s)

processor/attributes, processor/resource

Is your feature request related to a problem? Please describe.

The two processors have the power ability to modify their attributes of themselves but, can't apply the ability between them,
e.g. I want to move a key value from the span attribute to its resource attribute,

Describe the solution you'd like

giving an option to tell resourceprocessor it will fetch data from span/log/metrics attribute instead of itself attribute when using from_attribute for the actions insert, update, and upsert

resourceprocessor config:

processors:
  resource:
    attributes:
    - key: k8s.cluster.name
      from_attribute: k8s-cluster
      use_attribute: true
      action: insert

The same as attributeprocessor, the config will look like:

processors:
  attributes/example:
    actions:
    - key: k8s.cluster.name
      from_attribute: k8s-cluster
      use_resource_attribute: true
      action: insert

Describe alternatives you've considered

No response

Additional context

In our scenes, we want to standardize the resource attributes map like: k8s.namespace.name, k8s.pod.name, service.name however istio trace only supports generating those in span attribute, we need to move them to resource attribute.

[github-actions]

Pinging code owners:

• resourceprocessor: @dmitryax
• processor/attributes: @boostchicken
• processor/resource: @dmitryax

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[github-actions]

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[github-actions]

Pinging code owners for processor/resource: @dmitryax. See Adding Labels via Comments if you do not have permissions to add labels yourself.

[mar4uk]

Hey! To move the attribute to the resource attribute you can use groupbyattrsprocessor

processors:
  groupbyattrs:
    keys:
      - k8s.namespace.name
      - k8s.pod.name
      - service.name