113 lines
3.8 KiB
YAML
113 lines
3.8 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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env:
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BUILDKITE_TOKEN_PATH: /run/agenix/buildkite-graphql-token
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steps:
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# Run pipeline for tvl-kit when new commits arrive on canon. Since
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# it is not part of the depot build tree, this is a useful
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# verification to ensure we don't break external things (too much).
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- trigger: "tvl-kit"
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async: true
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label: ":fork:"
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branches: "refs/heads/canon"
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build:
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message: "Verification triggered by ${BUILDKITE_COMMIT}"
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# Create a revision number for the current commit for builds on
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# canon.
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#
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# This writes data back to Gerrit using the Buildkite agent
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# credentials injected through a git credentials helper.
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#
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# Revision numbers are defined as the number of commits in the
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# lineage of HEAD, following only the first parent of merges.
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- label: ":git:"
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branches: "refs/heads/canon"
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command: |
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git -c 'credential.helper=gerrit-creds' \
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push origin "HEAD:refs/r/$(git rev-list --count --first-parent HEAD)"
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# Generate & upload dynamic build steps
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- label: ":llama:"
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key: "pipeline-gen"
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command: |
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set -ue
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if test -n "$${GERRIT_CHANGE_URL-}"; then
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echo "This is a build of [cl/$$GERRIT_CHANGE_ID]($$GERRIT_CHANGE_URL) (at patchset #$$GERRIT_PATCHSET)" | \
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buildkite-agent annotate
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fi
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# Attempt to fetch a target map from a parent commit on canon,
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# except on builds of canon itself.
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[ "${BUILDKITE_BRANCH}" != "refs/heads/canon" ] && \
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nix/buildkite/fetch-parent-targets.sh
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PIPELINE_ARGS=""
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if [[ -f tmp/parent-target-map.json ]]; then
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PIPELINE_ARGS="--arg parentTargetMap tmp/parent-target-map.json"
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fi
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nix-build -A ops.pipelines.depot -o pipeline --show-trace $$PIPELINE_ARGS
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# Steps need to be uploaded in reverse order because pipeline
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# upload prepends instead of appending.
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ls pipeline/build-chunk-*.json | tac | while read chunk; do
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buildkite-agent pipeline upload $$chunk
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done
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buildkite-agent artifact upload "pipeline/*"
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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 ${BUILDKITE_TOKEN_PATH})" \
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-d "{\"query\": \"query BuildStatusQuery { build(uuid: \\\"$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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# After duck, on success, upload and run any post-build steps that
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# were output by the dynamic pipeline.
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- label: ":arrow_heading_down:"
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depends_on:
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- step: ":duck:"
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allow_failure: false
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command: |
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set -ueo pipefail
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buildkite-agent artifact download "pipeline/*" .
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find ./pipeline -name 'post-chunk-*.json' | tac | while read chunk; do
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buildkite-agent pipeline upload $$chunk
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done
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