Odoo Upgrade from 15.0 to 16.0

Prepare

Set env vars.

export ODOO_CURRENT_VERSION=15.0
export ODOO_TARGET_VERSION=16.0
export MODE=test
export PGHOST=localhost
export PGUSER=odoo
export PGPASSWORD=odoo
export DATABASE=erp
export NEW_DATABASE=${DATABASE}_${ODOO_TARGET_VERSION}
export COMPANY=mint-system
alias odoo-upgrade="python <(curl -s https://upgrade.odoo.com/upgrade)"

Download the database.

odoo-backup -d $DATABASE -o tmp/$COMPANY/$DATABASE.zip ...

Checkout current Odoo environment.

task checkout $ODOO_CURRENT_VERSION

Install python packages.

Start local development environment.

task start db,native

Restore

Clear filestore and restore database.

task drop-db $DATABASE
task clear-filestore $DATABASE
odoo-restore -f tmp/$COMPANY/$DATABASE.zip

Login and check the Odoo log.

Remove Unsupported Modules.

task remove-module $DATABASE ...

Update modules.

Upgrade

Run the upgrade scripts.

odoo-upgrade $MODE -d $DATABASE -t $ODOO_TARGET_VERSION -r $NEW_DATABASE

Checkout target Odoo environment.

task checkout $ODOO_TARGET_VERSION

Clear the assets and start the server.

task clear-assets $NEW_DATABASE
task start native

Login and check the Odoo log.

Check the Upgrade report.

Configure

Migrate custom modules.

Install new modules.

task init-module $NEW_DATABASE ...

Reset selected views.

Make new Odoo configurations.

Activate options in the settings page.

Update selected snippets.

Verify

Test the upgraded system.

Run these test cases.

Note regressions.

Deploy

Export the new database.

odoo-backup -d $NEW_DATABASE -o tmp/$COMPANY/$NEW_DATABASE.zip

Deploy the upgraded database.