#!/bin/sh # # Minio Cloud Storage, (C) 2017 Minio, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # set -x _init () { scheme="http://" address="$(netstat -nplt 2>/dev/null | awk ' /(.*\/minio)/ { gsub(":::","127.0.0.1:",$4); print $4}')" resource="/minio/health/live" start=$(stat -c "%Y" /proc/1) } healthcheck_main () { # In distributed environment like Swarm, traffic is routed # to a container only when it reports a `healthy` status. So, we exit # with 0 to ensure healthy status till distributed Minio starts (120s). # # Refer: https://github.com/moby/moby/pull/28938#issuecomment-301753272 if [ $(( $(date +%s) - start )) -lt 120 ]; then exit 0 else # Get the http response code http_response=$(curl -s -k -o /dev/null -w "%{http_code}" ${scheme}${address}${resource}) # Get the http response body http_response_body=$(curl -k -s ${scheme}${address}${resource}) # server returns response 403 and body "SSL required" if non-TLS # connection is attempted on a TLS-configured server. Change # the scheme and try again if [ "$http_response" = "403" ] && \ [ "$http_response_body" = "SSL required" ]; then scheme="https://" http_response=$(curl -s -k -o /dev/null -w "%{http_code}" ${scheme}${address}${resource}) fi # If http_repsonse is 200 - server is up. [ "$http_response" = "200" ] fi } _init && healthcheck_main