mistral database is referred to in upgrade guide but its not present with 3.2dev on centos 8

[amanda11]

On https://docs.stackstorm.com/latest/install/upgrades.html it states for upgrade:

3. Upgrade Mistral database:

/opt/stackstorm/mistral/bin/mistral-db-manage --config-file /etc/mistral/mistral.conf upgrade head
/opt/stackstorm/mistral/bin/mistral-db-manage --config-file /etc/mistral/mistral.conf populate | grep -v -e openstack -e keystone -e ironicclient

On stackstorm 3.2 dev on Centos 8 with python 3 there is no /opt/stackstorm/mistral to update.

As I understand it mistral is not installed for python3.

Does this just require a note to say unless upgrading from 3.2 and higher on python 3? Is there anything special to do though when upgrading from 3.1 to 3.2?

Also in step 2 it states to upgrade the st2mistral package, but that is not present on Centos8/python3.

[arm4b]

Thanks for the fixes!

As we're deprecating Mistral (StackStorm/st2#4762), new OS platforms that were added recently (Ubuntu18 and EL8) come with Orquesta only as a workflow engine.

Instead of adding a special case for each U18/EL8, I would prefer a warning stating that if their OS doesn't have Mistral installed they can skip mistral packages and migration step.

Mistral is going to be fully removed from StackStorm v3.3 in next release and so having smaller diff would make more sense when we're looking forward to deprecating it.

[amanda11]

@armab thanks for the feedback, have revised the documentation change with notes rather than calling out EL8 explicitly..

[arm4b]

Fixed via #978