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|
# This file defines the static Buildkite pipeline which attempts to
# create the dynamic pipeline of all depot targets.
#
# If something fails during the creation of the pipeline, the fallback
# is executed instead which will simply report an error to Gerrit.
---
env:
BUILDKITE_TOKEN_PATH: /run/agenix/buildkite-graphql-token
steps:
# Run pipeline for tvl-kit when new commits arrive on canon. Since
# it is not part of the depot build tree, this is a useful
# verification to ensure we don't break external things (too much).
- trigger: "tvl-kit"
async: true
label: ":fork:"
branches: "refs/heads/canon"
build:
message: "Verification triggered by ${BUILDKITE_COMMIT}"
# Run pipeline for tvix when new commits arrive on canon. Since
# it is not part of the depot build tree, this is a useful
# verification to ensure we don't break external things (too much).
- trigger: "tvix"
async: true
label: ":fork:"
branches: "refs/heads/canon"
build:
message: "Verification triggered by ${BUILDKITE_COMMIT}"
# Create a revision number for the current commit for builds on
# canon.
#
# This writes data back to Gerrit using the Buildkite agent
# credentials injected through a git credentials helper.
#
# Revision numbers are defined as the number of commits in the
# lineage of HEAD, following only the first parent of merges.
#
# Note that git does not fetch these refs by default, instead
# you'll have to modify your git config using
# `git config --add remote.origin.fetch '+refs/r/*:refs/r/*'`.
# The refs are available after the next `git fetch`.
- label: ":git:"
branches: "refs/heads/canon"
command: |
git -c 'credential.helper=gerrit-creds' \
push origin "HEAD:refs/r/$(git rev-list --count --first-parent HEAD)"
# Generate & upload dynamic build steps
- label: ":llama:"
key: "pipeline-gen"
concurrency_group: 'depot-nix-eval'
concurrency: 5 # much more than this and whitby will OOM
command: |
set -ue
if test -n "$${GERRIT_CHANGE_URL-}"; then
echo "This is a build of [cl/$$GERRIT_CHANGE_ID]($$GERRIT_CHANGE_URL) (at patchset #$$GERRIT_PATCHSET)" | \
buildkite-agent annotate --context cl-annotation
fi
# Attempt to fetch a target map from a parent commit on canon,
# except on builds of canon itself.
[ "${BUILDKITE_BRANCH}" != "refs/heads/canon" ] && \
nix/buildkite/fetch-parent-targets.sh
PIPELINE_ARGS=""
if [[ -f tmp/parent-target-map.json ]]; then
PIPELINE_ARGS="--arg parentTargetMap tmp/parent-target-map.json"
fi
nix-build --option restrict-eval true --include "depot=$${PWD}" \
--include "store=/nix/store" \
--allowed-uris 'https://' \
-A ops.pipelines.depot \
-o pipeline --show-trace $$PIPELINE_ARGS
# Steps need to be uploaded in reverse order because pipeline
# upload prepends instead of appending.
ls pipeline/build-chunk-*.json | tac | while read chunk; do
buildkite-agent pipeline upload $$chunk
done
buildkite-agent artifact upload "pipeline/*"
# Wait for all previous steps to complete.
- wait: null
continue_on_failure: true
# Exit with success or failure depending on whether any other steps
# failed.
#
# This information is checked by querying the Buildkite GraphQL API
# and fetching the count of failed steps.
#
# This step must be :duck: (yes, really!) because the post-command
# hook will inspect this name.
#
# Note that this step has requirements for the agent environment, which
# are enforced in our NixOS configuration:
#
# * curl and jq must be on the $PATH of build agents
# * besadii configuration must be readable to the build agents
- label: ":duck:"
key: ":duck:"
command: |
set -ueo pipefail
readonly FAILED_JOBS=$(curl 'https://graphql.buildkite.com/v1' \
--silent \
-H "Authorization: Bearer $(cat ${BUILDKITE_TOKEN_PATH})" \
-d "{\"query\": \"query BuildStatusQuery { build(uuid: \\\"$BUILDKITE_BUILD_ID\\\") { jobs(passed: false) { count } } }\"}" | \
jq -r '.data.build.jobs.count')
echo "$$FAILED_JOBS build jobs failed."
if (( $$FAILED_JOBS > 0 )); then
exit 1
fi
# After duck, on success, upload and run any release steps that were
# output by the dynamic pipeline.
- label: ":arrow_heading_down:"
depends_on:
- step: ":duck:"
allow_failure: false
command: |
set -ueo pipefail
buildkite-agent artifact download "pipeline/*" .
find ./pipeline -name 'release-chunk-*.json' | tac | while read chunk; do
buildkite-agent pipeline upload $$chunk
done
|
