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bug(backend): Pipeline Version Link Returns "Cannot retrieve pipeline… #582

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bug(backend): Pipeline Version Link Returns "Cannot retrieve pipeline…
ederign Feb 1, 2026
92533b5
Merge branch 'main' into fix/pipeline-version-link-race-condition
ederign Feb 2, 2026
2210900
Merge branch 'main' into fix/pipeline-version-link-race-condition
ederign Feb 3, 2026
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32 changes: 10 additions & 22 deletions backend/kale/common/kfputils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -137,39 +137,27 @@ def upload_pipeline(pipeline_package_path: str, pipeline_name: str,
client = _get_kfp_client(host)
log.info("Uploading pipeline '%s'...", pipeline_name)
pipeline_id = get_pipeline_id(pipeline_name, host=host)
version_name = utils.random_string()
if not pipeline_id:
# The first version of the pipeline is set to the pipeline name value.
# To work around this, upload the first pipeline, then another one
# with a proper version name. Finally delete the original pipeline.
# New pipeline: upload_pipeline creates a default version automatically
upp = client.upload_pipeline(
pipeline_package_path=pipeline_package_path,
pipeline_name=pipeline_name)
pipeline_id = upp.pipeline_id
log.info("Uploaded Pipeline '%s' id: %s", pipeline_name, pipeline_id)
upv = client.upload_pipeline_version(
pipeline_package_path=pipeline_package_path,
pipeline_version_name=version_name,
pipeline_id=pipeline_id)
# delete the first version which has the same name as the pipeline
log.info("Uploaded pipeline '%s' with id: %s", pipeline_name, pipeline_id)
# Get the default version that was created with the pipeline
versions = client.list_pipeline_versions(pipeline_id=pipeline_id)
sorted_versions = sorted(versions.pipeline_versions,
key=lambda v: v.created_at)
delete_vid = sorted_versions[0].pipeline_version_id
client.delete_pipeline_version(
pipeline_id=pipeline_id,
pipeline_version_id=delete_vid
)
log.info("Deleted pipeline version with name '%s' and ID: %s",
pipeline_name, upp.pipeline_id)
version_id = versions.pipeline_versions[0].pipeline_version_id
else:
# Existing pipeline: upload a new version
version_name = utils.random_string()
upv = client.upload_pipeline_version(
pipeline_package_path=pipeline_package_path,
pipeline_version_name=version_name,
pipeline_id=pipeline_id)
log.info("Successfully uploaded version '%s' for pipeline '%s'.",
version_name, pipeline_name)
return pipeline_id, upv.pipeline_version_id
version_id = upv.pipeline_version_id
log.info("Uploaded version '%s' for pipeline '%s'.",
version_name, pipeline_name)
return pipeline_id, version_id


def run_pipeline(experiment_name: str, pipeline_id: str, run_name: str = None,
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