oracle linux local yum repo setup on OL7

gistfile1.txt

## Updated courtesy of (https://oracle-base.com/articles/linux/create-a-local-yum-repository-for-oracle-linux-7)

yum -y install yum-utils createrepo_c httpd
systemctl enable --now httpd
cp /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle /var/www/html/

mkdir -p /u01/repo/{OracleLinux,logs,scripts,cache}
touch /u01/repo/scripts/repo_sync.sh
chmod u+x /u01/repo/scripts/repo_sync.sh

## Runs at 1am
echo "0 1 * * * /u01/repo/scripts/repo_sync.sh > /dev/null 2>&1" >> /etc/crontab

/u01/repo/scripts/repo_sync.sh
~~~~~~~~~~~
#!/usr/bin/env bash

#set -o xtrace
set -o nounset
set -o errexit
IFS="$(printf '\n\t')"

LOG_FILE=/u01/repo/logs/repo_sync_$(date +%Y.%m.%d).log
CACHE=/u01/repo/cache
REPOSYNC=/usr/bin/reposync
REPOSYNC_FLAGS="--newest-only --download-metadata"
CREATEREPO=/usr/bin/createrepo_c

if find /u01/repo/logs/repo_sync* -mtime +5 -delete; >> $LOG_FILE 2>&1
then
  echo 'Cleaned up old log files...' >> $LOG_FILE 2>&1
else
  echo 'No old log files found...' >> $LOG_FILE 2>&1
fi

declare -a arr=()
arr+=("ol7_latest")
arr+=("ol7_u5_base")
arr+=("ol7_u6_base")
arr+=("ol7_UEKR4")
arr+=("ol7_UEKR5")
arr+=("ol7_addons")
arr+=("ol7_optional_latest")
arr+=("ol7_developer_EPEL")

echo "Syncing Repositories..." >> $LOG_FILE 2>&1
for i in "${arr[@]}"
do
   echo "RUNNING: $REPOSYNC $REPOSYNC_FLAGS --repoid=$i -p /u01/repo/OracleLinux" >> $LOG_FILE 2>&1
   $REPOSYNC --newest-only --download-metadata --repoid=$i -p /u01/repo/OracleLinux >> $LOG_FILE 2>&1
done

echo "Creating Repositories..." >> $LOG_FILE 2>&1
for i in "${arr[@]}"
do
   ## Check if .repodata is left over from previous run and remove it
   WORKINGDIR=/u01/repo/OracleLinux/$i/getPackage/.repodata/
   if [ -d "$WORKINGDIR" ]; then
      echo "Removing directory $WORKINGDIR..." >> $LOG_FILE 2>&1
      rm -rf $WORKINGDIR
   fi
   ## Do not generate groupfile if repo does not contain any groups
   GROUPFILE=/u01/repo/OracleLinux/$i/comps.xml
   if [ -f $GROUPFILE ]; then
      echo "RUNNING: $CREATEREPO --simple-md-filenames --update --cachedir $CACHE --groupfile=$GROUPFILE /u01/repo/OracleLinux/$i/getPackage/" >> $LOG_FILE 2>&1
      $CREATEREPO --simple-md-filenames --update --cachedir $CACHE --groupfile=$GROUPFILE /u01/repo/OracleLinux/$i/getPackage/ >> $LOG_FILE 2>&1
   else
      echo "RUNNING: $CREATEREPO --simple-md-filenames --update --cachedir $CACHE /u01/repo/OracleLinux/$i/getPackage/" >> $LOG_FILE 2>&1
      $CREATEREPO --simple-md-filenames --update --cachedir $CACHE /u01/repo/OracleLinux/$i/getPackage/ >> $LOG_FILE 2>&1
   fi
done

echo "Updating links..." >> $LOG_FILE 2>&1
for i in "${arr[@]}"
do
   LINK=/var/www/html/repo/OracleLinux/$i/x86_64
   if [ ! -e "$LINK" ]; then
      mkdir -p /var/www/html/repo/OracleLinux/$i
      ln -sf /u01/repo/OracleLinux/$i/getPackage/ /var/www/html/repo/OracleLinux/$i/x86_64
   fi
done

echo "Done!!" >> $LOG_FILE 2>&1
~~~~~~~~~~~

Run /u01/repo/scripts/repo_sync.sh manually to download everything the first time, it will take a while
Add a new arr entry for a new repository to mirror