actions-runner-controller/runner/entrypoint.sh

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#!/bin/bash
if [ ! -z "${STARTUP_DELAY}" ]; then
echo "Delaying startup by ${STARTUP_DELAY} seconds" 1>&2
sleep ${STARTUP_DELAY}
fi
if [ -z "${GITHUB_URL}" ]; then
echo "Working with public GitHub" 1>&2
GITHUB_URL="https://github.com/"
else
length=${#GITHUB_URL}
last_char=${GITHUB_URL:length-1:1}
[[ $last_char != "/" ]] && GITHUB_URL="$GITHUB_URL/"; :
echo "Github endpoint URL ${GITHUB_URL}"
fi
if [ -z "${RUNNER_NAME}" ]; then
echo "RUNNER_NAME must be set" 1>&2
exit 1
fi
if [ -n "${RUNNER_ORG}" ] && [ -n "${RUNNER_REPO}" ] && [ -n "${RUNNER_ENTERPRISE}" ]; then
ATTACH="${RUNNER_ORG}/${RUNNER_REPO}"
elif [ -n "${RUNNER_ORG}" ]; then
ATTACH="${RUNNER_ORG}"
elif [ -n "${RUNNER_REPO}" ]; then
ATTACH="${RUNNER_REPO}"
elif [ -n "${RUNNER_ENTERPRISE}" ]; then
ATTACH="enterprises/${RUNNER_ENTERPRISE}"
else
echo "At least one of RUNNER_ORG or RUNNER_REPO or RUNNER_ENTERPRISE must be set" 1>&2
exit 1
fi
if [ -z "${RUNNER_TOKEN}" ]; then
echo "RUNNER_TOKEN must be set" 1>&2
exit 1
fi
if [ -z "${RUNNER_REPO}" ] && [ -n "${RUNNER_GROUP}" ];then
RUNNER_GROUPS=${RUNNER_GROUP}
fi
# Hack due to https://github.com/actions-runner-controller/actions-runner-controller/issues/252#issuecomment-758338483
if [ ! -d /runner ]; then
echo "/runner should be an emptyDir mount. Please fix the pod spec." 1>&2
exit 1
fi
sudo chown -R runner:docker /runner
mv /runnertmp/* /runner/
cd /runner
./config.sh --unattended --replace \
--name "${RUNNER_NAME}" \
--url "${GITHUB_URL}${ATTACH}" \
--token "${RUNNER_TOKEN}" \
--runnergroup "${RUNNER_GROUPS}" \
--labels "${RUNNER_LABELS}" \
--work "${RUNNER_WORKDIR}"
if [ -f /runner/.runner ]; then
echo Runner has successfully been configured with the following data.
cat /runner/.runner
# Note: the `.runner` file's content should be something like the below:
#
# $ cat /runner/.runner
# {
# "agentId": 117, #=> corresponds to the ID of the runner
# "agentName": "THE_RUNNER_POD_NAME",
# "poolId": 1,
# "poolName": "Default",
# "serverUrl": "https://pipelines.actions.githubusercontent.com/SOME_RANDOM_ID",
# "gitHubUrl": "https://github.com/USER/REPO",
# "workFolder": "/some/work/dir" #=> corresponds to Runner.Spec.WorkDir
# }
#
# Especially `agentId` is important, as other than listing all the runners in the repo,
# this is the only change we could get the exact runnner ID which can be useful for further
# GitHub API call like the below. Note that 171 is the agentId seen above.
# curl \
# -H "Accept: application/vnd.github.v3+json" \
# -H "Authorization: bearer ${GITHUB_TOKEN}"
# https://api.github.com/repos/USER/REPO/actions/runners/171
fi
if [ -n "${RUNNER_REGISTRATION_ONLY}" ]; then
echo
echo "This runner is configured to be registration-only. Exiting without starting the runner service..."
exit 0
fi
mkdir ./externals
# Hack due to the DinD volumes
mv ./externalstmp/* ./externals/
for f in runsvc.sh RunnerService.js; do
diff {bin,patched}/${f} || :
sudo mv bin/${f}{,.bak}
sudo mv {patched,bin}/${f}
done
args=()
if [ "${RUNNER_EPHEMERAL}" != "false" ]; then
args+=(--once)
fi
unset RUNNER_NAME RUNNER_REPO RUNNER_TOKEN
exec ./bin/runsvc.sh "${args[@]}"