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convalesce-emit

Forwards a data tool's own output to Convalesce, unchanged. This is the transport the tool plugins share: Airflow, Dagster, Prefect and Great Expectations each install it as their one dependency.

It has no dependencies of its own. Transport is urllib from the standard library, so it installs into an existing pipeline environment without touching a resolution that already works.

Install

pip install convalesce-emit-airflow   # or -dagster, -prefect, -gx

Configure

Set these on the worker; no code changes are needed.

Variable Default
CONVALESCE_INGEST_KEY none required unless dry-running
CONVALESCE_ENDPOINT https://api.convalesce.io
CONVALESCE_DRY_RUN false build envelopes, log them, send nothing
CONVALESCE_ENABLED true set false to switch off entirely
CONVALESCE_BATCH_SIZE 50 observations per request
CONVALESCE_MAX_BODY_BYTES 1000000 a batch is sent before the body would pass this
CONVALESCE_MAX_RETRIES 3
CONVALESCE_TIMEOUT 10 seconds
CONVALESCE_SPOOL_DIR <temp dir>/convalesce-emit-spool undelivered batches wait here and are sent after the next send that succeeds; refused ones are kept under rejected/
CONVALESCE_SPOOL_MAX_BYTES 1000000000 the waiting batches stop growing past this, with an error in the log

Nothing names an account: the ingest key carries that.

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1.0.0

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0.3.0 This release

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0.2.1

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0.2.0

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0.1.7

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0.1.6

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0.1.5

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0.1.4

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0.1.3

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0.1.1

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0.1.0

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