Try out v2-preview

[konradpabjan]

The v2-preview of upload-artifact is out and we need your help!

You can try it out by using actions/upload-artifact@v2-preview
Any associated code and documentation can be found here: https://github.com/actions/upload-artifact/tree/v2-preview

This issue is for general feedback and to report an bugs/issues during the preview

There is also a v2-preview for download-artifact 😀 see: actions/download-artifact#23

Warning: At any time during the preview, there may be unannounced changes that can cause things to break. It is recommended not to use the preview of this action in critical workflows

---

Historical Context around v2-preview and v1

The v1 versions of upload-artifact (and download-artifact ) are plugins that are executed by the runner. The code for v1 can be found here: https://github.com/actions/runner/tree/master/src/Runner.Plugins/Artifact

The v1 code is written in C# and is tightly coupled to the runner, it also uses special APIs that only the runner can use to interact with artifacts. If any changes or updates had to be made related to artifacts, they had to done on the runner and a new release had to roll out that would take a significant amount of time. With v2, there is no dependency on the runner so it will be much easier and faster to make changes and accept community contributions (right now it was pretty much impossible).

The v2-preview of upload-artifact has been rewritten from scratch using Typescript with a new set of APIs that allow it interact with artifacts (previously only the runner could do this). There is a new NPM package called @actions/artifact that contains the core functionality to interact with artifacts (which this action uses for the most part). This NPM package is hosted in the actions/toolkit repo so anyone can use this to interact with artifacts when developing actions. You can find the package here (lots of documentation and extra info):
https://www.npmjs.com/package/@actions/artifact
https://github.com/actions/toolkit/tree/master/packages/artifact

Further work

Since v2-preview is effectively a total rewrite from v1, There is a huge potential for bugs so it needs to be tested thoroughly before creating an actual v2 release. We need help testing the core functionality which includes:

• Uploading an individual file
• Uploading a directory
• Uploading using wildcards

There will be no new features added as part of the v2-preview, we need to test the core functionality first and once a v2 release is out, then we can start chipping away at issues/features that we have been unable to address with v1🙂 For the moment, please don't submit PRs for any new features to the v2-preview branch.

Some initial observations from some internal testing show that v2-preview is slightly slower than v1 (around 10-15%). A large part of this discrepancy can be attributed to porting over from C# to Node. In C#, the runner would upload artifacts with Async Tasks and true multi-threading. With Node, the HTTP pipeline is not as efficient (we would love some help over in the toolkit repo for @actions/artifact if anyone is really good with TS, Aysnc/Await and HTTP pipelining to hopefully make this better)

[Margen67]

Any chance of this being added? #55

[konradpabjan]

@Margen67 I left a comment in the issue. It is a feature that we will be able to add in the future once this is out of preview. Not adding support for this now though.

I'm trying to keep the amount of new features in v2-preview to a minimum to make sure the TS port of the action is stable before releasing v2.

[glvnst]

Working great for me. I did have one minor thing; I wanted to use this config to hoover up a bunch of text files in the current working directory:

      - uses: actions/upload-artifact@v2-preview
        with:
          name: receipts
          path: *-rcpt.txt

...but that wildcard expression conflicts with yaml aliases (and the web editor indicated as much by underlining the path line in red and giving the hover text unidentified alias "-rcpt.txt"). In my case was simple to just prefix with ./:

          path: ./*-rcpt.txt

...but it might be worth a line in the docs like:

Relative and absolute file paths are both allowed. Relative paths are rooted against the current working directory. Paths that begin with a wildcard character should be quoted to avoid being interpreted as YAML aliases.

[konradpabjan]

Thanks for the notice @glvnst!

I've updated the README with your suggestion

[testautomation]

Hi, is it possible to upload multiple files w/ their original name - w/o being zipped?

something like this:

- name: UPLOAD TEST RESULTS
      uses: actions/upload-artifact@master
      if: always()
      with:
        paths: |
          tests/results/output.xml
          tests/results/log.html
          tests/results/report.html

The reason is I would like to access log.html and report.html directly in the browser w/o having to download .zip archive + unzip it locally + open it in browser to view it

Similar to how these guys do (you know who I mean 😉 )

[testautomation]

besides my request above I tried w/

 uses: actions/upload-artifact@v2-preview
      with:
        name: robot_results
        path: tests/results/*

works fine, creates a robot_results.zip w/ (in my case) three files in it as you can see here

[konradpabjan]

Hi @testautomation

See my comment regarding uploading individual files. All files get uploaded individually without getting zipped. The problem is that in our UI we don't currently support downloading files individually (or browsing them) so we zip everything together at the end. We have plans to significantly enhance the UI experience for artifacts though😊

Also, multiple paths will come after the preview is over, see my comment here for more info

[krzkaczor]

@konradpabjan are all artifacts scoped to the current commit? Can I download an artifact from another branch?

I totally lack the exact definition of what artifact is somewhere in toolkit's docs and how is it different from cache API. Normally I would thought that cache can be accessed between commits (but it seems like it's scoped by branch) and artifacts are scoped by the current workflow execution.

[konradpabjan]

@krzkaczor generated artifacts are scoped to an individual workflow run (a run can be triggered by a variety of events: https://help.github.com/en/actions/reference/events-that-trigger-workflows).

Both caching and artifacts can be used to share data between jobs, though the main difference is that artifacts can be downloaded after the run has finished so data remains persistent. See: https://help.github.com/en/actions/configuring-and-managing-workflows/persisting-workflow-data-using-artifacts

It is currently not possible to download an artifact that was generated in another run using either of the artifact actions, see: actions/download-artifact#3

There is an API though that you can use to download artifacts that is independent of any of the artifact actions: https://developer.github.com/v3/actions/artifacts/#download-an-artifact

[espipj]

Hey @konradpabjan is there any chance that we could get the URL of the artifact so that we can use it to drop a comment in the PR for example? I think that would be amazingly useful.

[domenkozar]

I'd really like to reference artifact url once it has been uploaded. The reason is that one artifact depends on another

[konradpabjan]

@espipj @domenkozar Right now it's not possible to return the URL. The URL gets dynamically generated after the run get completed. We currently have some limitations in our backend. Some extra info

[gengjiawen]

Is it possible we add a feature not compress files ? My problem is that my file is already a compress file. Related code: https://github.com/gengjiawen/node-github-workflow/pull/1/files.

[holytshirt]

Tested this out with

    - name: Upload artifact
      uses: actions/upload-artifact@v2-preview
      with:
        # Artifact name
        name: NugetPackages
        # Directory containing files to upload
        path: "**/Paramore.Brighter.*.nupkg"

And it works
I noticed it add the files including their path.
Would like to add all files without the paths so all files in the root of the zip.
Having a setting or something like => . to add to root or foldername

[konradpabjan]

@gengjiawen See my earlier comment regarding zipping. It's a limitation with our UI currently so they will still appear compressed: #62 (comment)

@holytshirt if the provided path has a wildcard, everything past the first wildcard character will be used in the path for the artifact (I should probably document this behavior). Basically if you have something like this:

- uses: actions/upload-artifact@v2-preview
  with:
    name: my-artifact
    path: path/to/*/directory/something??-complex[abc].txt

and there are 3 files found, the upload structure would look like this

    path/to/*/directory/something??-complex[abc].txt =>
        ∟ path/to/some/directory/something12-complexa.txt
        ∟ path/to/some/directory/something12-complexb.txt
        ∟ path/to/other/directory/something12-complexa.txt

    would be flattened to =>
        ∟ some/directory/something12-complexa.txt
        ∟ some/directory/something12-complexb.txt
        ∟ other/directory/something12-complexa.txt

Throwing everything into a single folder with an optional flag could be an enhancement/addition post v2-preview.

[esamattis]

Hi! Tried to use this for Cypress screenshots with:

            - uses: actions/upload-artifact@v2-preview
              if: failure()
              with:
                  name: cypress-screenshots
                  path: "cypress/screenshots/*/*.png"

But the screenshot filenames are like

cypress/screenshots/basic.spec.ts/describe block -- test name (failed).png 

which fails with

##[error]Artifact path is not valid: /basic.spec.ts/describe block -- test name (failed).png Contains character: " ". Invalid characters include: ",:,<,>,|,*,?,

Got the same error even without the glob:

            - uses: actions/upload-artifact@v2-preview
              if: failure()
              with:
                  name: cypress-screenshots
                  path: "cypress/screenshots/"

[rumzledz]

Greetings all,

I seem to be getting a 403 error when uploading an artifact. Here are the logs:

2020-03-31T10:42:27.4294570Z ##[group]Run actions/upload-artifact@v2-preview
2020-03-31T10:42:27.4294960Z with:
2020-03-31T10:42:27.4295140Z   name: my-artifact
2020-03-31T10:42:27.4295340Z   path: path/to/artifact/world.txt
2020-03-31T10:42:27.4295530Z env:
2020-03-31T10:42:27.4295730Z   IS_CI: true
2020-03-31T10:42:27.4295930Z   DEVELOPER_DIR: /Applications/Xcode_11.4.app
2020-03-31T10:42:27.4296110Z ##[endgroup]
2020-03-31T10:42:27.5159110Z With the provided path, there will be 1 files uploaded
2020-03-31T10:42:27.5970080Z HttpClientResponse {
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2020-03-31T10:42:27.5975690Z       length: 0,
2020-03-31T10:42:27.5976120Z       pipes: null,
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2020-03-31T10:42:27.5977990Z       reading: false,
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2020-03-31T10:42:27.6019360Z       _controlReleased: true,
2020-03-31T10:42:27.6019790Z       _SNICallback: null,
2020-03-31T10:42:27.6021350Z       servername: 'pipelines.actions.githubusercontent.com',
2020-03-31T10:42:27.6021840Z       alpnProtocol: false,
2020-03-31T10:42:27.6022190Z       authorized: true,
2020-03-31T10:42:27.6022570Z       authorizationError: null,
2020-03-31T10:42:27.6022970Z       encrypted: true,
2020-03-31T10:42:27.6023510Z       _events: [Object: null prototype],
2020-03-31T10:42:27.6023930Z       _eventsCount: 9,
2020-03-31T10:42:27.6024530Z       connecting: false,
2020-03-31T10:42:27.6025170Z       _hadError: false,
2020-03-31T10:42:27.6025710Z       _parent: null,
2020-03-31T10:42:27.6026700Z       _host: 'pipelines.actions.githubusercontent.com',
2020-03-31T10:42:27.6027070Z       _readableState: [ReadableState],
2020-03-31T10:42:27.6027430Z       readable: true,
2020-03-31T10:42:27.6027760Z       _maxListeners: undefined,
2020-03-31T10:42:27.6028130Z       _writableState: [WritableState],
2020-03-31T10:42:27.6028500Z       writable: false,
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2020-03-31T10:42:27.6030660Z       server: undefined,
2020-03-31T10:42:27.6031020Z       _server: null,
2020-03-31T10:42:27.6031340Z       ssl: [TLSWrap],
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2020-03-31T10:42:27.6132130Z ##[error]Unable to create a container for the artifact my-artifact

Basically I'm just trying to test an upload using the code provided in this Repo's Guide.

steps:
  - uses: actions/checkout@v2
     with:
       lfs: true
  - run: mkdir -p path/to/artifact
  - run: echo hello > path/to/artifact/world.txt
  - uses: actions/upload-artifact@v2-preview
     with:
       name: my-artifact
       path: path/to/artifact/world.txt

Has anyone else experienced this?

Any help would be greatly appreciated.

Thank you.

[konradpabjan]

@esamattis it looks like you have whitespace in your files. Information about forbidden characters: https://github.com/actions/toolkit/blob/master/packages/artifact/docs/additional-information.md#non-supported-characters
Whitespace was technically allowed in v1 but to maintain platform agnostic behavior it is now checked for and it won't upload. This was done because what if that artifact gets downloaded on linux where spaces are not supported in file paths. There is a lot of undefined behavior that can start to happen.

@ledesmaromeo Do you have a link to the failing run or a repository name? I can take a look at our telemetry. If it's a private repo you can email me at konradpabjan at github.com What happens if you retry the upload? I've occasionally seen 500s and I think I've seen this 403 come up once though but retrying the upload always worked. What's interesting though is that this 403 came up at the very beginning of the upload (during the first http call), so I'm curious if there is something else going on here.

[mathieudevos]

@konradpabjan - same issue here.
Exact same issue here as @ledesmaromeo - some of the workflows are working perfectly fine, one of the more recent ones is just throwing this error.

Which servers is the artifact upload/download trying to reach?

Retrying the upload gives the same error.

[konradpabjan]

@ledesmaromeo Telemetry is showing that you've exceeded the amount of storage that is available. There are limits based on the type of account that you have: https://help.github.com/en/github/setting-up-and-managing-billing-and-payments-on-github/about-billing-for-github-packages

@mathieudevos I'm guessing you're hitting the same error.

Artifacts get auto-deleted after 90 days. You can also manually delete artifacts through the UI though it usually takes a couple of hours for the changes to propagate in billing (there is a lot of work that we would like to do around retention since it's a pretty big customer pain point right now)

I'll add a clearer warning when a 403 is hit since it's completely ambiguous right now what is going on. The server/endpoints that are being hit are pretty much identical to v1 so if you try it out using those actions you should see some similar behavior.

[mathieudevos]

Alright, adding steps so that we can clear them faster would be easier.

E.g. on dev/feat branches they only need to store the artifacts for an hour, but on my master branch I'd like to keep them much longer.

Is there also an option to constantly remove the artifacts? For example: download & remove in one operation?

Thanks for the quick debugging!

[anshuman852]

• name: Upload APK
  uses: actions/upload-artifact@v2-preview
  with:
  name: app.apk
  path: app/build/outputs/apk/debug/app-debug.apk

It still uploads a zip instead of the single file. am i doing anything wrong here?

You can see it Here

[konradpabjan]

@mathieudevos we currently don't have a first class experience to constantly remove artifacts. There are some issues open to track these scenarios: https://github.com/actions/upload-artifact/issues?q=is%3Aissue+is%3Aopen+label%3Aretention
There are some semi-hacky scripts that users have documented that use our APIs (you can find these in the linked issues), but longterm we would like to make this considerably easier.

@anshuman852 The zip that you download from the UI is created independently of how the artifact is uploaded. It's more of a limitation of our UI and we currently don't support downloading individual files. See my comment here for more information.

[konradpabjan]

An update has rolled out to the @actions/artifact package that this action uses for the core upload logic. Detailed changelog here: https://github.com/actions/toolkit/blob/master/packages/artifact/RELEASES.md

The package update mostly contains fixes related to artifact download but some things related to upload are also in.

I've updated the v2-preview branch to user this latest package (version 0.3.0). I ran some tests and everything appears to be working correctly, but if there are any problems that come up please let me know.

[Margen67]

If it can't find any files, it only gives a warning: https://github.com/Margen67/Test/runs/576666010?check_suite_focus=true#step:2:4

This should probably be an error.

[Calinou]

How do I upload the root directory of a repository as an artifact? I need to do this to upload a repository's files as they originially exist, but with some compiled native libraries added. With the upload path set to "." or ".*", I get:

No files were found for the provided path: .. No artifacts will be uploaded.

YAML used

[konradpabjan]

There has been a small update to the @action/artifact package with some minor fixes and the v2-preview branch has been updated: https://github.com/actions/toolkit/blob/master/packages/artifact/RELEASES.md#031

Everything is looking 👍 and next week if we are planning on officially releasing v2 (the v2-preview branch will be merged into master and tags will be updated) Expect the v2-preview branch to be deleted shortly after so heads up and this issue will be closed. You can also expect some minor changelog to show up: https://github.blog/changelog/

@Margen67 If no files are found then it's usually an indication that the user provided path is wrong rather than something being busted with artifact upload (such as a failed connection or http call). The warning should be sufficient to give users a heads up they should check their path. Of course we could add an extra option or something in the future.

@Calinou Make sure you're using the checkout action and then you should be able to use ${{ github.workspace }} as that is where your repository gets checked out to. You can also just use ./ or ./* as the path: https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#github-context

[konradpabjan]

@Calinou 🤔 It does appear that . works for v1. I'll go ahead and work on a fix to get that working so there are no compat issues between v1 and v2

[konradpabjan]

v2 upload-artifact has been merged into master! Thanks everyone for the feedback and testing!
https://github.blog/changelog/2020-04-28-github-actions-v2-artifact-actions/

You can now use it by doing actions/upload-artifact@v2. I'll be deleting the v2-preview branch soon (probably in a week or so), so please switch over so your builds don't break.

Moving forward it should be a lot easier now to accept contributions and add features since this effectively decouples artifact upload from the runner