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Implement step scripts #1432

Merged
merged 1 commit into from
Oct 22, 2019
Merged

Implement step scripts #1432

merged 1 commit into from
Oct 22, 2019

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imjasonh
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@imjasonh imjasonh commented Oct 16, 2019 •
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Fixes #781

This adds a Script field to the Step type which, when specified, results in a temporary generated executable script file being invoked containing the specified script contents.

The result is an easy-to-use scripting option for users who just want to invoke simple scripts inside containers. Details of generated scripts should be considered an implementation detail, and should not be relied upon by users.

This implementation is based on feedback from @skaegi to generate files and invoke them, rather than hijacking the step's args to run the script using sh.

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If API changes are included, additive changes must be approved by at least two OWNERS and backwards incompatible changes must be approved by more than 50% of the OWNERS, and they must first be added in a backwards compatible way.

Release Notes

Support step scripts for easier scripting inside container executions

@tekton-robot tekton-robot requested review from dibyom and a user October 16, 2019 18:43
@googlebot googlebot added the cla: yes Trying to make the CLA bot happy with ppl from different companies work on one commit label Oct 16, 2019
@tekton-robot tekton-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Oct 16, 2019
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/hold
(Holding until 0.8 is cut)

/assign @sbwsg
/assign @dlorenc

@tekton-robot tekton-robot assigned dlorenc and ghost Oct 16, 2019
@tekton-robot tekton-robot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Oct 16, 2019
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The following is the coverage report on pkg/.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/pipeline/v1alpha1/task_validation.go 79.9% 80.8% 1.0
pkg/reconciler/taskrun/resources/pod.go 89.7% 91.2% 1.5

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ghost commented Oct 16, 2019

This is great. Needs some words in the Task doc I think to describe its usage but otherwise the PR lgtm!

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This is great. Needs some words in the Task doc I think to describe its usage but otherwise the PR lgtm!

Added! https://github.com/ImJasonH/pipeline/blob/script2/docs/tasks.md

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The following is the coverage report on pkg/.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/pipeline/v1alpha1/task_validation.go 79.9% 80.8% 1.0
pkg/reconciler/taskrun/resources/pod.go 89.7% 91.2% 1.5

ghost
ghost reviewed Oct 16, 2019
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ghost commented Oct 16, 2019

:shipit:

/lgtm

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Oct 16, 2019
@tekton-robot tekton-robot removed the lgtm Indicates that a PR is ready to be merged. label Oct 16, 2019
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The following is the coverage report on pkg/.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/pipeline/v1alpha1/task_validation.go 79.9% 80.8% 1.0
pkg/reconciler/taskrun/resources/pod.go 89.7% 91.2% 1.5

vdemeester
vdemeester reviewed Oct 17, 2019
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@imjasonh Looks good, just one question

pkg/reconciler/taskrun/resources/pod.go Show resolved Hide resolved
docs/tasks.md Show resolved Hide resolved
@vdemeester vdemeester mentioned this pull request Oct 17, 2019
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@imjasonh imjasonh mentioned this pull request Oct 17, 2019
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The following is the coverage report on pkg/.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/pipeline/v1alpha1/task_validation.go 79.9% 81.2% 1.3
pkg/reconciler/taskrun/resources/pod.go 89.7% 91.2% 1.5

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ghost commented Oct 17, 2019

/lgtm

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Oct 17, 2019
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/hold cancel

@tekton-robot tekton-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Oct 21, 2019
@imjasonh
Implement step scripts
e7dcd64 
This adds a `Script` field to the `Step` type which, when specified,
results in a temporary generated executable script file being invoked
containing the specified script contents.

The result is an easy-to-use scripting option for users who just want
to invoke simple scripts inside containers. Details of generated scripts
should be considered an implementation detail, and should not be relied
upon by users.
@tekton-robot tekton-robot removed the lgtm Indicates that a PR is ready to be merged. label Oct 21, 2019
@tekton-robot
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The following is the coverage report on pkg/.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File Old Coverage New Coverage Delta
pkg/apis/pipeline/v1alpha1/task_validation.go 79.9% 81.2% 1.3
pkg/reconciler/taskrun/resources/pod.go 89.7% 91.2% 1.5

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ghost commented Oct 21, 2019

/lgtm

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Oct 21, 2019
vdemeester
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/lgtm
@imjasonh let's create that follow-up PR then 😉

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vdemeester

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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 Oct 22, 2019
@tekton-robot tekton-robot merged commit 9873614 into tektoncd:master Oct 22, 2019
@imjasonh imjasonh mentioned this pull request Oct 22, 2019
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imjasonh added a commit that referenced this pull request Oct 23, 2019
@imjasonh
Add link to step script in tasks.md
bcc215d 
Followup from #1432
@imjasonh imjasonh mentioned this pull request Oct 23, 2019
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tekton-robot pushed a commit that referenced this pull request Oct 23, 2019
@imjasonh @tekton-robot
Add link to step script in tasks.md
a78b6f2 
Followup from #1432
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@impl impl impl left review comments

@bobcatfish bobcatfish bobcatfish left review comments

@skaegi skaegi skaegi left review comments

@vdemeester vdemeester vdemeester approved these changes

@dibyom dibyom Awaiting requested review from dibyom

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RFC: "Script Mode" for task steps
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@imjasonh @tekton-robot @vdemeester @impl @bobcatfish @skaegi @dibyom @dlorenc @googlebot