#!/bin/bash

# check input
if [ -z "$1" ]; then
    echo "*****************************************************************"
    echo 
    echo "  Please input image like below:"
    echo "  registry.svicloud.com/powercloud/oms/server:V01R01B18-3043"
    echo
    echo "*****************************************************************"
    echo 
    exit 1
fi

# if has another process
retry=30
while true; do
    ps_count=`ps -ef | grep -v grep | grep ${0#./*} | wc -l`
    retry_count=`expr $retry_count + 1`

    # 30 times
    if [ "$retry_count" -ge $retry ]; then
        echo "timeout after 90 seconds, exit."
        echo 
        exit 1
    fi

    # has other process
    if [ $ps_count -ge 3 ] ; then
        echo "another process \"${0#./*}\" is running, retry after 3 seconds."
        sleep 3
    else
        break
    fi

done

# make a host entry
if ! grep -q "registry.svicloud.com" /etc/hosts; then
    echo "151.106.8.135 registry.svicloud.com" >>/etc/hosts
fi

# comment to use local repo
sed -i "/^[^#].*registry.svicloud.com/s/^/#/" /etc/hosts

# login local repo
docker login -u admin -p Changeme_123 registry.svicloud.com &>/dev/null || \
  { echo "docker login to local repo failed" && echo && exit 1; } 

# pull the image
if docker pull $1; then
    sed -i "/^[#].*registry.svicloud.com/s/^#//" /etc/hosts
    sleep 2
    docker login -u admin -p "Gocm5]WeqaSufg" registry.svicloud.com &>/dev/null || \
      { echo "docker login to remote repo failed" && echo && exit 1; } 
    echo
    if docker push $1; then
        echo "push success"
    else
        echo "push $1 to remote repo failed"
        echo 
        exit 1
    fi
else
    echo "pull local image $1 to local server failed"
    echo 
    exit 1
fi