e4231c9816
This simplifies the fallback logic used in case of Nix evaluation failure and makes it so that the evaluation step itself is the one that is marked as failed in Buildkite. This is possible because the pipeline upload command will insert new steps at the point where it runs in the pipeline, and not later. Change-Id: I870534c004ebc457a1602623c4e5f9c0c68e28fc
61 lines
2.1 KiB
YAML
61 lines
2.1 KiB
YAML
# This file defines the static Buildkite pipeline which attempts to
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# create the dynamic pipeline of all depot targets.
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#
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# If something fails during the creation of the pipeline, the fallback
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# is executed instead which will simply report an error to Gerrit.
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---
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steps:
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- label: ":llama:"
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command: |
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set -ue
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nix-build -A ops.pipelines.depot -o depot.yaml --show-trace && \
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buildkite-agent pipeline upload depot.yaml
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# Wait for all previous steps to complete.
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- wait: null
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continue_on_failure: true
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# Exit with success or failure depending on whether any other steps
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# failed.
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#
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# This information is checked by querying the Buildkite GraphQL API
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# and fetching the count of failed steps.
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#
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# This step must be :duck: (yes, really!) because the post-command
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# hook will inspect this name.
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#
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# Note that this step has requirements for the agent environment, which
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# are enforced in our NixOS configuration:
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#
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# * curl and jq must be on the $PATH of build agents
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# * besadii configuration must be readable to the build agents
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- label: ":duck:"
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key: ":duck:"
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command: |
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set -ueo pipefail
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readonly FAILED_JOBS=$(curl 'https://graphql.buildkite.com/v1' \
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--silent \
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-H "Authorization: Bearer $(cat /etc/secrets/buildkite-besadii)" \
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-d "{\"query\": \"query BuildStatusQuery { build(uuid: \\\"$BUILDKITE_BUILD_ID\\\") { jobs(passed: false) { count } } }\"}" | \
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jq -r '.data.build.jobs.count')
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echo "$$FAILED_JOBS build jobs failed."
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if (( $$FAILED_JOBS > 0 )); then
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exit 1
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fi
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# Create a revision number for the current commit for builds on
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# canon.
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#
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# This writes data back to Gerrit using the Buildkite agent
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# credentials injected through a git credentials helper.
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#
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# Revision numbers are defined as the number of commits in the
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# lineage of HEAD, following only the first parent of merges.
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- label: ":git:"
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if: "build.branch == 'refs/heads/canon'"
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command: |
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git -c 'credential.helper=/etc/secrets/buildkite-credential-helper' \
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push origin "HEAD:refs/r/$(git rev-list --count --first-parent HEAD)"
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