setps to upgrade gitlab server from 11.8.2 to 15.9

gitlab upgrade path.txt

# instalação limpa
yum update
yum remove kernel* kernel-uek*
yum install -y policycoreutils-python openssh-server perl wget screen
systemctl enable --now postfix
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash
systemctl disable firewalld
systemctl stop firewalld
yum install nfs-utils
yum install -y oracle-golang-release-el7
yum install -y golang
yum install rsync
EXTERNAL_URL="http://gitlab3.csivix.com.br" yum install -y gitlab-ce

# instalar git mais recente

yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum install -y epel-release
yum remove -y git
yum install -y https://packages.endpointdev.com/rhel/7/os/x86_64/endpoint-repo.x86_64.rpm
yum install -y git
git --version


# passos do upgrade
yum install gitlab-ee-11.8.2-ee.0.el7
gitlab-ctl reconfigure

## montar backup e restaurar
showmount -e 10.1.1.245
vi /etc/fstab 
mount -a

## mover arquivo de backup
cd /backup/
gzip -d 1677189846_2023_02_23_11.8.2-ee_gitlab_backup.tar.gz
cp 1677189846_2023_02_23_11.8.2-ee_gitlab_backup.tar /var/opt/gitlab/backups
cd /var/opt/gitlab/backups
chown git:git 1677189846_2023_02_23_11.8.2-ee_gitlab_backup.tar


# restaurar
yum install gitlab-ee-11.8.2
gitlab-ctl reconfigure
gitlab-ctl stop unicorn
gitlab-ctl stop sidekiq
gitlab-ctl stop puma
gitlab-ctl status

gitlab-rake gitlab:backup:restore BACKUP=1677189846_2023_02_23_11.8.2-ee
gitlab-ctl restart
gitlab-rake gitlab:check SANITIZE=true
gitlab-rake gitlab:artifacts:check
gitlab-rake gitlab:lfs:check
gitlab-rake gitlab:uploads:check


yum install -y gitlab-ee-11.11.8
gitlab-ctl pg-upgrade


# path de upgrade
12.0.12 => 12.1.17 => 12.10.14 => 13.0.14 => 13.1.11 => 13.8.8 => 13.12.15 => 14.0.12 => 14.3.6 => 14.9.5 => 14.10.5 => 15.0.5 => 15.4.6 => 15.9.1

## upgrade https://gitlab-com.gitlab.io/support/toolbox/upgrade-path/?current=11.11.8&distro=centos&auto=true&edition=ce

yum install -y gitlab-ce-12.0.12

# erro que não consegue migrar para hashed
#https://gitlab3.csivix.com.br/admin/background_jobs  = OpenSSL::Cipher::CipherError:

### https://docs.gitlab.com/ee/raketasks/backup_restore.html#reset-runner-registration-tokens
#### https://forum.gitlab.com/t/problem-with-background-migration/73436/5

gitlab-rake db:migrate
gitlab-rails dbconsole
 
UPDATE projects SET runners_token = null, runners_token_encrypted = null; 
UPDATE namespaces SET runners_token = null, runners_token_encrypted = null;
UPDATE application_settings SET runners_registration_token_encrypted = null;
UPDATE application_settings SET encrypted_ci_jwt_signing_key = null;
UPDATE ci_runners SET token = null, token_encrypted = null;
UPDATE ci_builds SET token = null, token_encrypted = null;
 
 ctrl+d
 
gitlab-rake gitlab:storage:migrate_to_hashed
gitlab-rake gitlab:storage:hashed_projects
gitlab-rake gitlab:storage:legacy_projects
 
yum install -y gitlab-ce-12.1.17
yum install -y gitlab-ce-12.10.14
gitlab-ctl restart

yum install -y gitlab-ce-13.0.14
yum install -y gitlab-ce-13.1.11
yum install -y gitlab-ce-13.8.8
yum install -y gitlab-ce-13.12.15

gitlab-rake gitlab:env:info

yum install -y gitlab-ce-14.0.12
gitlab-rake db:migrate
gitlab-ctl reconfigure
gitlab-ctl restart

yum install -y gitlab-ce-14.3.6 

# olhar o tempo que a migração está rodando antes de atualizar. demorou uns 10 minutos
https://gitlab3.csivix.com.br/admin/background_migrations
gitlab-rake db:migrate
gitlab-ctl reconfigure
gitlab-ctl restart
### testar acesso aos repos
## acessar novamente https://gitlab3.csivix.com.br/admin/background_migrations   -->demorou mais uns 5 minutos

yum install -y gitlab-ce-14.9.5
https://gitlab3.csivix.com.br/admin/background_migrations  --> demorou 20 minutos
gitlab-ctl reconfigure
gitlab-ctl restart
 
yum install -y gitlab-ce-14.3.6

yum install -y gitlab-ce-14.9.5
gitlab-ctl restart

sleep 20m && yum install -y gitlab-ce-14.10.5 && sleep 30m && yum install -y gitlab-ce-15.0.5 && sleep 25m
yum install -y gitlab-ce-14.10.5 && sleep 30m && yum install -y gitlab-ce-15.0.5 && gitlab-ctl restart
sleep 25m && yum install -y gitlab-ce-15.4.6 && sleep 30m && yum install -y gitlab-ce-15.9.1 && gitlab-ctl restart


# comandos úteis
gitlab-rake gitlab:env:info
gitlab-rake gitlab:storage:legacy_projects
gitlab-rake gitlab:storage:legacy_attachments
gitlab-rake gitlab:storage:hashed_projects
gitlab-rake gitlab:storage:migrate_to_hashed



# pastas gitlab
/etc/gitlab
/var/log/gitlab
/var/opt/gitlab
/opt/gitlab