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Interactive fleet Sample - #502
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Signed-off-by: Luke Roy <luke.roy@ibm.com>
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interactive-fleets — new sample
Adds
serverless-fleets/interactive-fleets, a general-purpose submit-and-poll patternthat turns any Code Engine Fleet workload into a synchronous HTTP API.
What it does
A Code Engine Function acts as an HTTP gateway to a fleet:
POST /orGET /— accepts arbitrary JSON input (or query parameters), generates a task ID,submits the input as a fleet task, and polls COS for the result for up to
POLL_TIMEOUTseconds.Returns HTTP 200 with the result if it arrives in time, or HTTP 202 with a
retrieve_urlif the poll window expires.
GET /result/{task_id}— retrieves a previously submitted result from COS at any time.The fleet task receives the full input payload as a single JSON string in
$1, processes it,and writes the result to a COS-mounted path. No message queue, no polling infrastructure —
just a function, a fleet, and a COS bucket.
What's included
deployfunction/__main__.pytask-container/entrypoint.sh$1, adds metadata, writes result to COS mounttask-container/DockerfileREADME.mdAuthentication
A single IBM Cloud API key (
CE_API_KEY) is used for both the CE Fleet API and COS accessvia IAM Bearer tokens.
Use cases
This pattern can be adapted for any fleet workload that needs an HTTP interface:
ML inference, document processing, data transformation, external API orchestration, or any
batch job that produces a result file.