Can I make an existing Istio open source installable compatible with the (Istioctl + Operator) ? I currently have Istio 1.4.3 installed via istioctl .. and need to make existing deployment Istio operator aware as well before I upgrade to Istio 1.5.6+ . Any specific steps to be followed here ?
Istio 1.4.3 to 1.5.6 upgrade using istioctl and Istio operator
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There shouldn't be any problem with that, I have tried that on my test cluster and everything worked just fine.
I had a problem with upgrading immediately from 1.4.3 to 1.5.6, so with below steps you're first upgrading from 1.4.3 to 1.5.0, then from 1.5.0 to 1.5.6
Take a look at below steps to follow.
1.Follow istio documentation and install istioctl 1.4, 1.5 and 1.5.6 with:
2.Add the istioctl 1.4 to your path
3.Install istio 1.4
4.Check if everything works correct.
5.Add the istioctl 1.5 to your path
6.Install istio operator for future upgrade.
7.Prepare IstioOperator.yaml
8.Before the upgrade use below commands
9.Upgrade from 1.4 to 1.5 with istioctl upgrade and prepared IstioOperator.yaml
10.After the upgrade use below commands
11.Check if everything works correct.
12.Change istio IstioOperator.yaml tag value
13.Upgrade from 1.5 to 1.5.6 with istioctl upgrade and prepared IstioOperator.yaml
14.Add the istioctl 1.5.6 to your path
15.I have deployed a bookinfo app to check if everything works correct.
16.Results
Let me know if have any more questions.