diff options
Diffstat (limited to 'ops')
| -rwxr-xr-x | ops/pipelines/fetch-parent-targets.sh | 40 | ||||
| -rw-r--r-- | ops/pipelines/static-pipeline.yaml | 12 |
2 files changed, 51 insertions, 1 deletions
diff --git a/ops/pipelines/fetch-parent-targets.sh b/ops/pipelines/fetch-parent-targets.sh new file mode 100755 index 000000000000..bc334fc35cb1 --- /dev/null +++ b/ops/pipelines/fetch-parent-targets.sh @@ -0,0 +1,40 @@ +#!/usr/bin/env bash +set -ueo pipefail + +# Each Buildkite build stores the derivation target map as a pipeline +# artifact. This script determines the most appropriate commit (the +# fork point of the current chain from canon) and fetches the +# artifact. +# +# Since builds can be based on canon before the pipeline for the last +# commit has finished, it is possible that the fork point has no +# target map. To account for this, we will go up to 3 commits back in +# time to find a map. +# +# If no map is found, the failure mode is not critical: We simply +# build all targets. + +function most_relevant_builds { + git fetch -v origin canon + local FIRST=$(git merge-base --fork-point HEAD origin/canon) + local SECOND=$(git rev-parse "$FIRST~1") + local THIRD=$(git rev-parse "$FIRST~2") + + curl 'https://graphql.buildkite.com/v1' \ + --silent \ + -H "Authorization: Bearer $(cat /run/agenix/buildkite-graphql-token)" \ + -d "{\"query\": \"query { pipeline(slug: \\\"tvl/depot\\\") { builds(commit: [\\\"$FIRST\\\",\\\"$SECOND\\\",\\\"$THIRD\\\"]) { edges { node { uuid }}}}}\"}" | \ + jq -r '.data.pipeline.builds.edges[] | .node.uuid' +} + +mkdir -p tmp +for build in $(most_relevant_builds); do + echo "Checking artifacts for build $build" + buildkite-agent artifact download --build "${build}" 'pipeline/drvmap.json' 'tmp/' || true + + if [[ -f "tmp/pipeline/drvmap.json" ]]; then + echo "Fetched target map from build ${build}" + mv tmp/pipeline/drvmap.json parent-target-map.json + break + fi +done diff --git a/ops/pipelines/static-pipeline.yaml b/ops/pipelines/static-pipeline.yaml index 7fcb716b25f8..52f9f82039d3 100644 --- a/ops/pipelines/static-pipeline.yaml +++ b/ops/pipelines/static-pipeline.yaml @@ -15,7 +15,17 @@ steps: buildkite-agent annotate fi - nix-build -A ops.pipelines.depot -o pipeline --show-trace + # Attempt to fetch a target map from a parent commit on canon, + # except on builds of canon itself. + [ "${BUILDKITE_BRANCH}" != "refs/heads/canon" ] && \ + ops/pipelines/fetch-parent-targets.sh + + PIPELINE_ARGS="" + if [[ -f ./parent-target-map.json ]]; then + PIPELINE_ARGS="--arg parentTargetMap ./parent-target-map.json" + fi + + nix-build -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. |