From d4e3c24ee805e59ea4b9696b81b2143b71747eb7 Mon Sep 17 00:00:00 2001 From: Stefan Reimer Date: Thu, 19 May 2022 22:39:17 +0200 Subject: [PATCH] doc: Update Upgrade README --- releases/v1.22/README.md | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/releases/v1.22/README.md b/releases/v1.22/README.md index e8673641..7ffcf864 100644 --- a/releases/v1.22/README.md +++ b/releases/v1.22/README.md @@ -90,7 +90,10 @@ Change Kubernetes version in controller config from `1.21.9` to `1.22.8` Wait each time for controller to join and all pods running. Might take a while ... -6. Upgrade via boostrap.sh +6. Launch new set of workers, at least enough to host new Istio Ingress gateways due to Kernel requirements +Eg. by doubling `desired` for each worker ASG, + +7. Upgrade via boostrap.sh As the changes around Istio are substantial in this release we need to upgrade some parts step by step to prevent service outages, especially for private-ingress. - `./bootstrap.sh crds all ` to deploy all new CRDs first @@ -99,13 +102,8 @@ As the changes around Istio are substantial in this release we need to upgrade s - `./bootstrap.sh apply istio-private-ingress ` to deploy the new private-ingress gateways first - `./bootstrap.sh apply istio-ingress ` to update the public ingress and also remove the 1.21 private-ingress gateways -7. Finalize via ArgoCD +8. Finalize via ArgoCD git add / commit / pusSh `` and watch ArgoCD do its work. -8. Replace worker nodes -Eg. by doubling `desired` for each worker ASG, -once all new workers joined, drain old workers one by one, -finally reset `desired` for each worker ASG which will terminate the old workers. - -## Known issues - +9. Drain old workers + Drain one by one and reset each ASG to initial "desired" value.