72 lines
3.4 KiB
YAML
72 lines
3.4 KiB
YAML
# SPDX-License-Identifier: 0BSD
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name: "Upload artifact with wget"
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author: "Chl <chl@xlii.si>"
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description: |
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Upload an artifact for a workflow.
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This is a far lighter version of upload-artifact, it only need a shell, zip
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and the full version of wget (unfortunately, as of 2024-08-26, the busybox
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variant isn't capable of using the PUT method).
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inputs:
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name:
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description: 'Artifact name'
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default: 'artifact'
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path:
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description: 'A file, directory or wildcard pattern that describes what to upload'
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required: true
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outputs:
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artifact-id:
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description: A unique identifier for the artifact that was just uploaded. Empty if the artifact upload failed.
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runs:
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steps:
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- name: Upload artifact (using v4)
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run: |
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# Some optional help for debugging.
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set -ex
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# Zip the files
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printf "%s\n" "$GITHUB_OUTPUT"
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printf "%s\n" ${{ inputs.path }}
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return
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# General note:
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# instead of using a proper JSON parser like 'jq', we use the readily
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# available 'sed' in order to help this code being more easily reusable
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# (at the cost of a breaking if the JSON formating happens to
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# change...)
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# We extract the 'Actions.Results:22:33' from ACTIONS_RUNTIME_TOKEN
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# (note: base64 -d doesn't like when the '==' padding is missing, so 2>/dev/null and relying on the piping to forget about non-zero return code...)
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read WORKFLOW_RUN_BACKEND_ID WORKFLOW_JOB_RUN_BACKEND_ID <<EOF
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$( echo "$ACTIONS_RUNTIME_TOKEN" | sed 's/.*\.\(.*\)\..*/\1/' | base64 -d 2>/dev/null | sed 's/.*Actions.Results:\([^:]\+\):\([^:" ]\+\).*/\1 \2/' )
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EOF
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# Get the upload URL
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RESPONSE="$( wget -O - \
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--header 'Content-Type:application/json' \
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--header "Authorization: Bearer $GITHUB_TOKEN" \
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--post-data "$( printf '{"version":4, "name":"%s", "workflow_run_backend_id":"%s", "workflow_job_run_backend_id":"%s"}' "$MYFILENAME" "$WORKFLOW_RUN_BACKEND_ID" "$WORKFLOW_JOB_RUN_BACKEND_ID" )" \
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"$GITHUB_SERVER_URL"/twirp/github.actions.results.api.v1.ArtifactService/CreateArtifact
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)"
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# We get a JSON with an signedUploadUrl similar to :
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# https://entrepot.xlii.si/twirp/github.actions.results.api.v1.ArtifactService/UploadArtifact?sig=yWWEI8tIIECp8D7E5TVh4_6G2pZxWaVdQcSYaCsx5s0=&expires=2024-08-26+07%3A20%3A49.886890537+%2B0200+CEST&artifactName=mymodule-1.2.3.zip&taskID=63
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SIGNED_UPLOAD_URL="$( echo "$RESPONSE" | sed -n 's/.*"signedUploadUrl" *: *"\([^"]\+\)".*/\1/p' )"
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# Upload our file
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# (note: adding '&comp=block' at the end of the URL)
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wget --method PUT --body-file "$MYFILENAME" "$SIGNED_UPLOAD_URL&comp=block"
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# Finalize the artifact
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RESPONSE="$( wget -O - \
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--header 'Content-Type:application/json' \
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--header "Authorization: Bearer $GITHUB_TOKEN" \
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--post-data "$( printf '{"hash":"sha256:%s", "name":"%s", "size":"%d", "workflow_run_backend_id":"%s", "workflow_job_run_backend_id":"%s"}' "$( sha256sum $MYFILENAME | sed 's/[[:space:]]\+.*//' )" "$MYFILENAME" "$( stat -c %s $MYFILENAME )" "$WORKFLOW_RUN_BACKEND_ID" "$WORKFLOW_JOB_RUN_BACKEND_ID" )" \
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"$GITHUB_SERVER_URL"/twirp/github.actions.results.api.v1.ArtifactService/FinalizeArtifact
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)"
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# Store the outputs
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echo artifact-id="$( echo "$RESPONSE" | sed -n 's/.*"artifactId" *: *"\([^"]\+\)".*/\1/p' )" >> $GITHUB_OUTPUT
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