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Add workflow to determine API changes and comment on PRs #3

Add workflow to determine API changes and comment on PRs

Add workflow to determine API changes and comment on PRs #3

name: Analyze PR Changes
on: [pull_request]
jobs:
analyze:
runs-on: ubuntu-latest
steps:
- name: Checkout Repo
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Setup Environment Variables
shell: bash -eo pipefail {0}
run: |
{
echo "BEFORE_SHA=$(git merge-base "$BASE_SHA" "$HEAD_SHA")"
echo "AFTER_SHA=${HEAD_SHA}"
echo "CLUSTER_SPEC=/tmp/opensearch-openapi-CLUSTER.yaml"
echo "BEFORE_SPEC=/tmp/opensearch-openapi-${BEFORE_SHA}.yaml"
echo "AFTER_SPEC=/tmp/opensearch-openapi-${AFTER_SHA}.yaml"
} | tee "$GITHUB_ENV"
env:
HEAD_SHA: ${{ github.event.pull_request.head.sha }}
BASE_SHA: ${{ github.event.pull_request.base.sha }}
- name: Dump OpenSearch Cluster's API
shell: bash -eo pipefail {0}
run: |
docker build coverage --tag opensearch-with-api-plugin
docker run \
--name opensearch \
--rm -d \
-p 9200:9200 -p 9600:9600 \
-e "discovery.type=single-node" \
-e OPENSEARCH_INITIAL_ADMIN_PASSWORD="$OPENSEARCH_PASSWORD" \
opensearch-with-api-plugin
npm install
npm run dump-cluster-spec -- --insecure --output $CLUSTER_SPEC
docker stop opensearch
env:
OPENSEARCH_PASSWORD: BobgG7YrtsdKf9M
- name: Checkout BEFORE Spec
shell: bash -eo pipefail {0}
run: git checkout $BEFORE_SHA
- name: Build BEFORE Spec
shell: bash -eo pipefail {0}
run: |
npm install
npm run merge -- --source ./spec --output $BEFORE_SPEC
- name: Checkout AFTER Spec
shell: bash -eo pipefail {0}
run: git checkout $AFTER_SHA
- name: Build AFTER Spec
shell: bash -eo pipefail {0}
run: |
npm install
npm run merge -- --source ./spec --output $AFTER_SPEC
- name: Calculate Coverage
shell: bash -eo pipefail {0}
run: |
for sha in ${BEFORE_SHA} ${AFTER_SHA} ; do
echo "Calculating coverage of ${sha}"
npm run coverage:spec -- \
--cluster $CLUSTER_SPEC \
--specification /tmp/opensearch-openapi-${sha}.yaml \
--output /tmp/coverage-api-${sha}.json
done
jq . /tmp/coverage-api-${AFTER_SHA}.json
jq -r --slurp '
[ .[].counts ]
| {
covered_before: .[0].covered,
covered_before_pct: .[0].covered_pct,
covered_after: .[1].covered,
covered_after_pct: .[1].covered_pct,
total_to_cover: .[1].covered + .[1].uncovered,
covered_delta: .[1].covered - .[0].covered,
covered_pct_delta: (.[1].covered_pct - .[0].covered_pct) * 100 | round / 100
}
' \
/tmp/coverage-api-${BEFORE_SHA}.json \
/tmp/coverage-api-${AFTER_SHA}.json \
| tee ./coverage-api-${BEFORE_SHA}-${AFTER_SHA}-DIFF.json
- name: Upload Coverage Data
id: upload-coverage
uses: actions/upload-artifact@v4
with:
name: coverage-api
path: |
/tmp/coverage-api-*.json
- name: Install openapi-changes
shell: bash -eo pipefail {0}
run: npm install --global @pb33f/openapi-changes
- name: Generate HTML Report
shell: bash -eo pipefail {0}
run: openapi-changes html-report --no-logo --no-color $BEFORE_SPEC $AFTER_SPEC
- name: Upload HTML Report
id: upload-report
uses: actions/upload-artifact@v4
with:
name: changes-report
path: |
report.html
/tmp/opensearch-openapi-*.yaml
- name: Generate Summary
shell: bash -eo pipefail {0}
run: |
if ! openapi-changes summary --no-logo --no-color --markdown /tmp/opensearch-openapi-ORIGINAL.yaml /tmp/opensearch-openapi-CHANGED.yaml >output.md ; then
if ! grep -q 'breaking changes discovered' output.md ; then
cat output.md >/dev/stderr
exit 1
fi
fi
gawk -v AFTER_SHA="${AFTER_SHA}" -v REPORT_URL="${REPORT_URL}" '
BEGIN {
print "### API Changes Summary"
RS = "(\r|\n|\r\n)"
WAS_BLANK = 0
HAD_CHANGES = 0
}
/^starting work/ || /^Building original model/ || /^SPEC: extracted/ || /^ERROR: breaking/ || /^DONE: completed/ {
next
}
/^[[:space:]]*$/ {
WAS_BLANK = 1
next
}
WAS_BLANK {
WAS_BLANK = 0
print ""
}
{
HAD_CHANGES = 1
sub(/Commit: New:/, "Commit: " AFTER_SHA ", New:")
print
}
END {
if (!HAD_CHANGES) {
print "Commit: " AFTER_SHA ", **NO CHANGES**\n"
}
print "\nFull Report: " REPORT_URL
}
' output.md | tee changes-summary.md
env:
REPORT_URL: ${{ steps.upload-report.outputs.artifact-url }}
- name: Upload Summary
uses: actions/upload-artifact@v4
with:
name: changes-summary
path: changes-summary.md