#!/bin/bash

# This script will let you upload sources/blobs to new CentOS lookaside cache

# requirements:

#  - curl

#  - valid TLS certs from https://accounts.centos.org (or dev instance for testing)

#  - valid group membership to let you upload to specific "branch"

# Some variables, switch for new url

lookaside_baseurl="https://git.centos.org"

function usage {

cat <<  EOF

You need to call the script like this : $0 -arguments

        -f : filename/source to upload (required, default:none)

        -n : package name for that source (requred, default:none, example "httpd")

        -b : "branch" where to upload to (required, default:none, example "c7-sig-core")

        -h : display this help

EOF

}

function varcheck {

if [ -z "$1" ] ; then

        usage

        exit 1

fi

}

function f_log {

  echo "[+] CentOS Lookaside upload tool -> $*"

}

while getopts “hf:n:b:” OPTION

do

     case $OPTION in

         h)

             usage

             exit 1

             ;;

         f)

             file=$OPTARG

             ;;

         n)

             pkgname=$OPTARG

             ;;

         b)

             branch=$OPTARG

             ;;

         ?)

             usage

             exit

             ;;

     esac

done

varcheck $file

varcheck $pkgname

varcheck $branch

if [ ! -f ~/.centos.cert ] ;then

  f_log "No mandatory TLS cert found (~/.centos.cert) .."

  f_log "please use centos-cert to retrieve your ACO TLS cert"

  exit 1

fi

if [ ! -f "${file}" ] ;then

  f_log "Source to upload ${file} not found"

  exit 2

fi

checksum=$(sha1sum ${file}|awk '{print $1}')

f_log "Checking if file already uploaded"

local_size=$(stat -c %s ${file})

http_code=$(curl -s -o /dev/null -w "%{http_code}" ${lookaside_baseurl}/sources/${pkgname}/${branch}/${checksum})

remote_size=$(curl --silent -i --head ${lookaside_baseurl}/sources/${pkgname}/${branch}/${checksum}|grep "Content-Length"|cut -f 2 -d ':'|tr -d [:blank:]|tr -d '\r')

if [ "$http_code" -eq 200 ] && [ "$local_size" -eq "$remote_size" ] ; then

  f_log "File already uploaded"

  exit 3

fi

f_log "Initialing new upload to lookaside"

f_log "URL : $lookaside_baseurl"

f_log "Source to upload : ${file} "

f_log "Package name: $pkgname"

f_log "sha1sum: ${checksum}"

f_log "Remote branch: ${branch}" 

f_log " ====== Trying to upload ======="

echo ""

curl ${lookaside_baseurl}/sources/upload.cgi \

	--fail \

	--cert ~/.centos.cert \

	--form "name=${pkgname}" \

	--form "branch=${branch}" \

	--form "sha1sum=${checksum}" \

	--form "file=@${file}" \

	--progress-bar | tee /dev/null

upload_result="${PIPESTATUS[0]}"

if [ "$upload_result" -ne "0" ] ;then

  f_log "[ERROR] Something didn't work to push to ${lookaside_baseurl}/sources/${pkgname}/${branch}/${checksum}"

  f_log "[ERROR] Verify at the server side"

  exit 1

fi

f_log "Validating that source was correctly uploaded ...."

remote_size=$(curl --silent -i --head ${lookaside_baseurl}/sources/${pkgname}/${branch}/${checksum}|grep "Content-Length"|cut -f 2 -d ':'|tr -d [:blank:]|tr -d '\r')

if [ "$local_size" -eq "$remote_size" ] ; then

  f_log "[SUCCESS] Source should be available at ${lookaside_baseurl}/sources/${pkgname}/${branch}/${checksum}"

else

  f_log "[ERROR] it seems there is a mismatch with source size and remote file size"

fi