181 lines
6.3 KiB
Bash
Executable File
181 lines
6.3 KiB
Bash
Executable File
#!/bin/bash
|
|
source logger.sh
|
|
|
|
RUNNER_ASSETS_DIR=${RUNNER_ASSETS_DIR:-/runnertmp}
|
|
RUNNER_HOME=${RUNNER_HOME:-/runner}
|
|
|
|
# Let GitHub runner execute these hooks. These environment variables are used by GitHub's Runner as described here
|
|
# https://github.com/actions/runner/blob/main/docs/adrs/1751-runner-job-hooks.md
|
|
# Scripts referenced in the ACTIONS_RUNNER_HOOK_ environment variables must end in .sh or .ps1
|
|
# for it to become a valid hook script, otherwise GitHub will fail to run the hook
|
|
export ACTIONS_RUNNER_HOOK_JOB_STARTED=/etc/arc/hooks/job-started.sh
|
|
export ACTIONS_RUNNER_HOOK_JOB_COMPLETED=/etc/arc/hooks/job-completed.sh
|
|
|
|
if [ -n "${STARTUP_DELAY_IN_SECONDS}" ]; then
|
|
log.notice "Delaying startup by ${STARTUP_DELAY_IN_SECONDS} seconds"
|
|
sleep "${STARTUP_DELAY_IN_SECONDS}"
|
|
fi
|
|
|
|
if [ -z "${GITHUB_URL}" ]; then
|
|
log.debug 'Working with public GitHub'
|
|
GITHUB_URL="https://github.com/"
|
|
else
|
|
length=${#GITHUB_URL}
|
|
last_char=${GITHUB_URL:length-1:1}
|
|
|
|
[[ $last_char != "/" ]] && GITHUB_URL="$GITHUB_URL/"; :
|
|
log.debug "Github endpoint URL ${GITHUB_URL}"
|
|
fi
|
|
|
|
if [ -z "${RUNNER_NAME}" ]; then
|
|
log.error 'RUNNER_NAME must be set'
|
|
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/${RUNNER_ENTERPRISE}"
|
|
else
|
|
log.error 'At least one of RUNNER_ORG, RUNNER_REPO, or RUNNER_ENTERPRISE must be set'
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "${RUNNER_TOKEN}" ]; then
|
|
log.error 'RUNNER_TOKEN must be set'
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "${RUNNER_REPO}" ] && [ -n "${RUNNER_GROUP}" ];then
|
|
RUNNER_GROUPS=${RUNNER_GROUP}
|
|
fi
|
|
|
|
# Hack due to https://github.com/actions/actions-runner-controller/issues/252#issuecomment-758338483
|
|
if [ ! -d "${RUNNER_HOME}" ]; then
|
|
log.error "$RUNNER_HOME should be an emptyDir mount. Please fix the pod spec."
|
|
exit 1
|
|
fi
|
|
|
|
# if this is not a testing environment
|
|
if [[ "${UNITTEST:-}" == '' ]]; then
|
|
sudo chown -R runner:docker "$RUNNER_HOME"
|
|
# enable dotglob so we can copy a ".env" file to load in env vars as part of the service startup if one is provided
|
|
# loading a .env from the root of the service is part of the actions/runner logic
|
|
shopt -s dotglob
|
|
# use cp instead of mv to avoid issues when src and dst are on different devices
|
|
cp -r "$RUNNER_ASSETS_DIR"/* "$RUNNER_HOME"/
|
|
shopt -u dotglob
|
|
fi
|
|
|
|
if ! cd "${RUNNER_HOME}"; then
|
|
log.error "Failed to cd into ${RUNNER_HOME}"
|
|
exit 1
|
|
fi
|
|
|
|
# past that point, it's all relative pathes from /runner
|
|
|
|
config_args=()
|
|
if [ "${RUNNER_FEATURE_FLAG_ONCE:-}" != "true" ] && [ "${RUNNER_EPHEMERAL}" == "true" ]; then
|
|
config_args+=(--ephemeral)
|
|
log.debug 'Passing --ephemeral to config.sh to enable the ephemeral runner.'
|
|
fi
|
|
if [ "${DISABLE_RUNNER_UPDATE:-}" == "true" ]; then
|
|
config_args+=(--disableupdate)
|
|
log.debug 'Passing --disableupdate to config.sh to disable automatic runner updates.'
|
|
fi
|
|
|
|
update-status "Registering"
|
|
|
|
retries_left=10
|
|
while [[ ${retries_left} -gt 0 ]]; do
|
|
log.debug 'Configuring the runner.'
|
|
./config.sh --unattended --replace \
|
|
--name "${RUNNER_NAME}" \
|
|
--url "${GITHUB_URL}${ATTACH}" \
|
|
--token "${RUNNER_TOKEN}" \
|
|
--runnergroup "${RUNNER_GROUPS}" \
|
|
--labels "${RUNNER_LABELS}" \
|
|
--work "${RUNNER_WORKDIR}" "${config_args[@]}"
|
|
|
|
if [ -f .runner ]; then
|
|
log.debug 'Runner successfully configured.'
|
|
break
|
|
fi
|
|
|
|
log.debug 'Configuration failed. Retrying'
|
|
retries_left=$((retries_left - 1))
|
|
sleep 1
|
|
done
|
|
|
|
if [ ! -f .runner ]; then
|
|
# we couldn't configure and register the runner; no point continuing
|
|
log.error 'Configuration failed!'
|
|
exit 2
|
|
fi
|
|
|
|
cat .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 ${GITHUB_TOKEN}"
|
|
# https://api.github.com/repos/USER/REPO/actions/runners/171
|
|
|
|
# Hack due to the DinD volumes
|
|
if [ -z "${UNITTEST:-}" ] && [ -e ./externalstmp ]; then
|
|
mkdir -p ./externals
|
|
mv ./externalstmp/* ./externals/
|
|
fi
|
|
|
|
WAIT_FOR_DOCKER_SECONDS=${WAIT_FOR_DOCKER_SECONDS:-120}
|
|
if [[ "${DISABLE_WAIT_FOR_DOCKER}" != "true" ]] && [[ "${DOCKER_ENABLED}" == "true" ]]; then
|
|
log.debug 'Docker enabled runner detected and Docker daemon wait is enabled'
|
|
log.debug "Waiting until Docker is available or the timeout of ${WAIT_FOR_DOCKER_SECONDS} seconds is reached"
|
|
if ! timeout "${WAIT_FOR_DOCKER_SECONDS}s" bash -c 'until docker ps ;do sleep 1; done'; then
|
|
log.notice "Docker has not become available within ${WAIT_FOR_DOCKER_SECONDS} seconds. Exiting with status 1."
|
|
exit 1
|
|
fi
|
|
else
|
|
log.notice 'Docker wait check skipped. Either Docker is disabled or the wait is disabled, continuing with entrypoint'
|
|
fi
|
|
|
|
# Unset entrypoint environment variables so they don't leak into the runner environment
|
|
unset RUNNER_NAME RUNNER_REPO RUNNER_TOKEN STARTUP_DELAY_IN_SECONDS DISABLE_WAIT_FOR_DOCKER
|
|
|
|
# Docker ignores PAM and thus never loads the system environment variables that
|
|
# are meant to be set in every environment of every user. We emulate the PAM
|
|
# behavior by reading the environment variables without interpreting them.
|
|
#
|
|
# https://github.com/actions/actions-runner-controller/issues/1135
|
|
# https://github.com/actions/runner/issues/1703
|
|
|
|
# /etc/environment may not exist when running unit tests depending on the platform being used
|
|
# (e.g. Mac OS) so we just skip the mapping entirely
|
|
if [ -z "${UNITTEST:-}" ]; then
|
|
mapfile -t env </etc/environment
|
|
fi
|
|
|
|
log.notice "WARNING LATEST TAG HAS BEEN DEPRECATED. SEE GITHUB ISSUE FOR DETAILS:"
|
|
log.notice "https://github.com/actions/actions-runner-controller/issues/2056"
|
|
|
|
update-status "Idle"
|
|
exec env -- "${env[@]}" ./run.sh
|