helm-chart/scripts/token.sh

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#!/bin/sh
set -eu
timeout_delay=15
check_token() {
set +e
echo "Checking for existing token..."
token="$(kubectl get secret "$SECRET_NAME" -o jsonpath="{.data['token']}" 2> /dev/null)"
[ $? -ne 0 ] && return 1
[ -z "$token" ] && return 2
return 0
}
create_token() {
echo "Waiting for new token to be generated..."
begin=$(date +%s)
end=$((begin + timeout_delay))
while true; do
[ -f /data/actions/token ] && return 0
[ "$(date +%s)" -gt $end ] && return 1
sleep 5
done
}
store_token() {
echo "Storing the token in Kubernetes secret..."
kubectl patch secret "$SECRET_NAME" -p "{\"data\":{\"token\":\"$(base64 /data/actions/token | tr -d '\n')\"}}"
}
if check_token; then
echo "Key already in place, exiting."
exit
fi
if ! create_token; then
echo "Checking for an existing act runner token in secret $SECRET_NAME timed out after $timeout_delay"
exit 1
fi
store_token