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# Log in as root
sudo su -


# Check that the Abiquo RabbitMQ queues are empty (API or Datanode).
# The number of messages in all queues must be 0.
rabbitmqctl list_queues messages name


# Back up the UI
tar cvfz /var/www/html/ui.tgz-$(date +%Y%m%d_%H%M%S) /var/www/html/ui


# Back up the /opt/abiquo folder
tar cvfz /opt/abiquo.tgz-$(date +%Y%m%d_%H%M%S) /opt/abiquo

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


# On DB Server, back up the Abiquo MySQL DBs
mysqldump --routines --triggers kinton            > kinton.sql-$(date +%Y%m%d_%H%M%S)
mysqldump --routines --triggers kinton_accounting > kinton_accounting.sql-$(date +%Y%m%d_%H%M%S)


# IF you are using SAML with multiple IdPs, back up security beans files
cp /opt/abiquo/tomcat/webapps/api/WEB-INF/classes/springresources/security/saml/security-saml-generated-beans.xml /opt/abiquo/tomcat/webapps/api/WEB-INF/classes/springresources/security/saml/security-saml-generated-beans.xml-$(date
 +%Y%m%d_%H%M%S)


# Stop  services
systemctl stop httpd
systemctl stop abiquo-tomcat
systemctl stop mariadb
systemctl stop rabbitmq-server
 

# Install latest yum release package for your target version using link
yum remove 'abiquo-release-*'
# Find the correct link at 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/el7/6.2/os/x86_64/abiquo-release-ee-6.2.0-AAAAAAAAAAAAAAA.el7.noarch.rpm

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

 
# Perform update
yum clean all && yum makecache

# 6.2.0: - If you have custom certificates added to your Java cacerts, you will have to check them for your environment and restore them after Java update.
# See Update certificates in your Abiquo environment 
keytool -v -list -cacerts | grep ${ENV_NAME}
#Enter keystore password:  
#Alias Name: abiquo-api-ui.lab.abiquo.com
#Alias Name: abiquo-remoteservices.lab.abiquo.com
yum update

# 6.2.0: - Download and install the guestpasswordmigrator package
yum localinstall http://user:passwd@mirror.abiquo.com/el7/6.2/os/x86_64/abiquo-gpmigrator-6.2.0-20240202_110142.el7.noarch.rpm

# Run the tool to migrate the guest passwords of the current VMs to a new column that will be added in 6.2.0.
# The tool requires access to the kinton database and to the API Redis
cd /opt/abiquo/utilities/
java -jar gpmigrator.jar --jdbc-url="jdbc:mariadb://localhost:3306/kintonuser=root&password=root" --redis-host=localhost

# Save the guestpasswords.sql file and run it after you update the database with abiquo-db.

# 6.2.0: - On all database servers, upgrade MariaDB 
rpm --nodeps -ev MariaDB-server-10.4.10-1.el7.centos.x86_64
yum install MariaDB-server
service mariadb start
mysql_upgrade


# Upgrade the Abiquo databases
abiquo-db [-h DB hostname] [-P DB port] [-u user] [-p password] update


# IF the database upgrade fails because of checksums
abiquo-db [-h DB hostname] [-P DB port] [-u user] [-p password] clearCheckSums
abiquo-db [-h DB hostname] [-P DB port] [-u user] [-p password] update

# 6.2.0: - Run guestpasswords.sql file
mysql kinton < guestpasswords.sql

# Post-upgrade step for API
chown -R tomcat /opt/abiquo

# Run Redis database script
# These scripts can always be found on the Abiquo Server.
# On each Remote Services server (including Monolithic sever) or Datanode server run the Redis scripts

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

# 6.2.0: - Edit the tomcat config file and update the database connector configuration 
# Edit /opt/abiquo/tomcat/conf/Catalina/localhost/api.xml
# If you have a Galera cluster, add the Galera configuration in the format:
    jdbc:mariadb:loadbalance://address=(host=dbmain)(port=3306)(type=master),
        address=(host=dbr1)(port=3306)(type=slave),
        address=(host=dbr2)(port=3306)(type=slave)/kinton

# Restore your cacerts certificates
keytool -import -file ${CERTIFICATE_PATH} -cacerts -alias ${ENV_ALIAS}