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Fix bug in entrypoint lookup for steps by digest #1675

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merged 1 commit into from
Dec 4, 2019

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imjasonh
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@imjasonh imjasonh commented Dec 3, 2019

Before this change, any resolved digests would be simply appended to the
input image name, which would result in invalid duplicate digests when
the input was specified by digest.

This change uses ref.Context() instead, which omits the digest (or tag),
and appends the resolved digest to the end of that.

This also slightly refactors entrypoint_lookup_impl.go to make it
slightly easier to test, and adds a simple unit test for this specific
error condition.

More tests will be included in future changes.

Fixes #1674

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Fix #1674 whereby images specified by digest without command would not produce valid step containers.

@googlebot googlebot added the cla: yes Trying to make the CLA bot happy with ppl from different companies work on one commit label Dec 3, 2019
@tekton-robot tekton-robot added the size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. label Dec 3, 2019
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imjasonh commented Dec 3, 2019

cc @mattmoor

@imjasonh imjasonh force-pushed the fix-entrypoint-lookup branch 2 times, most recently from 6ca1635 to 69b639b Compare December 3, 2019 21:59
Before this change, any resolved digests would be simply appended to the
input image name, which would result in invalid duplicate digests when
the input was specified by digest.

This change uses ref.Context() instead, which omits the digest (or tag),
and appends the resolved digest to the end of that.

This also slightly refactors entrypoint_lookup_impl.go to make it
slightly easier to test, and adds a simple unit test for this specific
error condition.

More tests will be included in future changes.
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dlorenc commented Dec 4, 2019

/lgtm

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Dec 4, 2019
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dlorenc commented Dec 4, 2019

/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dlorenc

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@tekton-robot tekton-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Dec 4, 2019
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mattmoor commented Dec 4, 2019

FWIW, I confirmed that this resolved the issue I hit. thanks for the quick fix @imjasonh

@tekton-robot tekton-robot merged commit d3dc419 into tektoncd:master Dec 4, 2019
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Steps specified by digest (w/o command) are broken
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