[API][ILM Explain] Report age in milliseconds #103659
Description
Description
👋 howdy, team!
Will you kindly consider reporting ILM Explain's response column age in its milliseconds variation age_in_millis to match Elasticsearch's API parity of doing millisecond and human version of column (for diagnostic analysis automation calculations)?
# GET _all/_ilm/explain | jq '.indices.".ds-metricbeat-8.10.1-2023.11.19-000003"|del(.phase_execution)'
{
"action": "complete",
"action_time_millis": 1703008092553,
"age": "1.97d",
+ "age_in_millis": 170208000
"index": ".ds-metricbeat-8.10.1-2023.11.19-000003",
"index_creation_date_millis": 1700415491342,
"lifecycle_date_millis": 1703008091326,
"managed": true,
"phase": "hot",
"phase_time_millis": 1700415491734,
"policy": "metricbeat", # had rollover at 30d
"step": "complete",
"step_time_millis": 1703008092553,
"time_since_index_creation": "31.98d"
}