Skip to content

fix: Refuse helm chart publish when version already exists #331

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
VedantMadane wants to merge 3 commits into
base: main
Choose a base branch
from
Open

fix: Refuse helm chart publish when version already exists #331

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
2ab3025
fix: Refuse helm chart publish when version already exists
VedantMadane Aug 24, 2026
81aee96
Merge branch 'main' into fix/issue-324
VedantMadane Sep 29, 2026
6d621ca
fix(ci): check helm chart version against Docker Hub OCI
VedantMadane Sep 30, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 40 additions & 0 deletions .github/workflows/publish-mcp-helm-chart.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,47 @@ jobs:
with:
version: v3.20.2

- name: Check if chart version exists
id: check_version
run: |
set -euo pipefail
CHART_PATH=./src/helm-charts/rosetta-mcp-server
VERSION="$(grep -E '^version:' "${CHART_PATH}/Chart.yaml" | awk '{print $2}' | tr -d '"')"
CHART_NAME="$(grep -E '^name:' "${CHART_PATH}/Chart.yaml" | awk '{print $2}' | tr -d '"')"
REPOSITORY="registry-1.docker.io/griddynamics"
echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
echo "chart_name=${CHART_NAME}" >> "$GITHUB_OUTPUT"
echo "Chart version is ${VERSION} (${CHART_NAME})"
mkdir -p /tmp/helm-check
set +e
PULL_OUT=$(helm pull "oci://${REPOSITORY}/${CHART_NAME}" --version "${VERSION}" --destination /tmp/helm-check 2>&1)
PULL_RC=$?
set -e
echo "${PULL_OUT}"
if [ "${PULL_RC}" -eq 0 ]; then
echo "exists=true" >> "$GITHUB_OUTPUT"
echo "::warning::Version ${VERSION} already exists at oci://${REPOSITORY}/${CHART_NAME}"
else
# Not-found is expected for a new version. Network/auth/registry errors must fail.
if echo "${PULL_OUT}" | grep -qiE 'not found|no such|unknown tag|manifest unknown|404|does not exist'; then
echo "exists=false" >> "$GITHUB_OUTPUT"
echo "Version ${VERSION} is new, will publish"
else
echo "::error::helm pull failed while checking existing chart version (rc=${PULL_RC})"
exit 1
fi
fi

- name: Fail if version exists
if: steps.check_version.outputs.exists == 'true'
run: |
echo "::error::Version ${{ steps.check_version.outputs.version }} already published at oci://registry-1.docker.io/griddynamics/${{ steps.check_version.outputs.chart_name }}"
echo "Docker Hub / OCI does not allow silently overwriting the same chart version."
echo "Please increment version in src/helm-charts/rosetta-mcp-server/Chart.yaml"
exit 1

- name: Package and push Helm chart (OCI / Docker Hub)
if: steps.check_version.outputs.exists == 'false'
run: |
set -euo pipefail
CHART_PATH=./src/helm-charts/rosetta-mcp-server
Expand Down