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# Log in as root
sudo su -
 
 
# On V2V servers, check for active conversions
# ps aux | grep v2v
# ps aux | grep mechadora
 

# Back up the /opt/abiquo folder
tar cvfz /opt/abiquo.tgz-$(date +%Y%m%d_%H%M%S) /opt/abiquo
# If you are using remote services with TLS, back up the connector
cp /opt/abiquo/tomcat/conf/server.xml /opt/abiquo/server.xml--$(date +%Y%m%d_%H%M%S) 

  
# Back up Redis
redis-cli save
cp -a /var/lib/redis /var/lib/redis-$(date +%Y%m%d_%H%M%S)


# Stop services
systemctl stop abiquo-tomcat


# Check if there is an NFS shared folder for the NARS results (related to system property abiquo.nars.async.fileresults.path):
mount | grep -i "nfs\|results" | grep -v sunrpc
10.60.37.87:/abq-pro-nfs on /opt/abiquo/results-nars type nfs4 (rw,nosuid,nodev,noexec,relatime,sync,vers=4.1,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=10.60.37.77,local_lock=none,addr=10.60.37.87,user)


# Unmount the previous shared folder if you have it mounted
umount /opt/abiquo/results-nars


# Install latest yum release package for your target version using link
yum remove 'abiquo-release-*'

# Remove docker
yum remove docker

# Find the correct link at https://https://abiquo.atlassian.net/wiki/spaces/doc/pages/311363475/Abiquo-release-ee+packages+list
# For 6.2
yum localinstall https://user:passwd@mirror.abiquo.com/6.2/os/x86_64/abiquo-release-ee-6.2.0-20240205_155724.el7.noarch.rpm

# Prepare yum repository for your target version with yum-utils
yum-config-manager --enable abiquo-base
yum-config-manager --enable abiquo-updates
  

# Perform update
yum clean all && yum makecache

yum update

# Remount the shared folder for NARS (and any other folders you have unmounted)
mount -a


# Post upgrade steps for RS
chown -R tomcat /opt/abiquo
chown -R tomcat /opt/vm_repository
chmod -R a+r /opt/vm_repository


# Refresh VM definitions
cd /usr/share/doc/abiquo-redis/redis/
bash ./4.2.3/00-old-vsm-definitions.sh


# If your remote services use TLS, restore the connection data server.xml 
# See https://abiquo.atlassian.net/wiki/spaces/doc/pages/311377433/Configure+Abiquo+Tomcat+with+HTTPS+for+Remote+RS


# Add the Java keytool path to your $PATH variable:
export PATH=$PATH:/usr/java/jdk-21+35/bin/

# Check certificates in your Java key store
keytool -v -list -keystore /opt/abiquo/tomcat/conf/${KEYSTORE_NAME}.jks

# If necessary, restore your certificates following the instructions
# See https://abiquo.atlassian.net/wiki/spaces/doc/pages/609648729/Update+certificates+in+your+Abiquo+environment