More fixes and upgrade docs
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@ -1,14 +0,0 @@
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#!/bin/bash
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# Remove operator first
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kubectl delete deployment istio-operator -n istio-operator
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kubectl delete ns istio-operator
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# Remove policy
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kubectl delete deployment istio-policy -n istio-system
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# Install new istio and istio-ingress chart
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# Remobe old ingress
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kubectl delete deployment istio-ingressgateway -n istio-system
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kubectl delete deployment istio-private-ingressgateway -n istio-system
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@ -2,7 +2,7 @@
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set -ex
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ACTION=$1
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ARTIFACTS=("$2")
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ARTIFACTS=($(echo $2 | tr "," "\n"))
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CLUSTER=$3
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LOCATION=${4:-""}
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@ -99,10 +99,9 @@ function _helm() {
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if [ $action == "crds" ]; then
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_crds
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else
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elif [ $action == "apply" ]; then
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# namespace must exist prior to apply
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[ $action == "apply" ] && create_ns $namespace
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create_ns $namespace
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# Optional pre hook
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declare -F ${release}-pre && ${release}-pre
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@ -112,8 +111,11 @@ function _helm() {
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# Optional post hook
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declare -F ${release}-post && ${release}-post
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elif [ $action == "delete" ]; then
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apply
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# Delete dedicated namespace if not kube-system
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[ $action == "delete" ] && delete_ns $namespace
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delete_ns $namespace
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fi
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return 0
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@ -0,0 +1,19 @@
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#!/bin/bash
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# Istio operator resources first
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kubectl delete Istiooperators kubezero-istio -n istio-system
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kubectl delete Istiooperators kubezero-istio-private-ingress -n istio-system
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# Istio operator itself
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kubectl delete deployment istio-operator -n istio-operator
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kubectl delete ns istio-operator
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# Remove policy pod
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kubectl delete deployment istio-policy -n istio-system
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# Remove old gateways
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kubectl delete gateways ingressgateway -n istio-system
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kubectl delete gateways private-ingressgateway -n istio-system
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# Remove old shared public cert
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kubectl delete certificate public-ingress-cert -n istio-system
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@ -0,0 +1,19 @@
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#!/bin/bash -x
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# Get all public vs
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for vs in $(kubectl get vs -A | grep "istio-system/ingressgateway" | awk '{print $1 ":" $2}'); do
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ns=${vs%%:*}
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name=${vs##*:}
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kubectl patch virtualservice $name -n $ns --type=json \
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-p='[{"op": "replace", "path": "/spec/gateways/0", "value":"istio-ingress/ingressgateway"}]'
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done
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# Get all private vs
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for vs in $(kubectl get vs -A | grep "istio-system/private-ingressgateway" | awk '{print $1 ":" $2}'); do
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ns=${vs%%:*}
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name=${vs##*:}
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kubectl patch virtualservice $name -n $ns --type=json \
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-p='[{"op": "replace", "path": "/spec/gateways/0", "value":"istio-ingress/private-ingressgateway"}]'
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done
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@ -0,0 +1,7 @@
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#!/bin/bash
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ns=$(kubectl get ns -l argocd.argoproj.io/instance | grep -v NAME | awk '{print $1}')
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for n in $ns; do
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kubectl label --overwrite namespace $n 'argocd.argoproj.io/instance-'
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done
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@ -1,18 +1,44 @@
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# Upgrade to KubeZero V2(Argoless)
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- disable all auto-sync in argo !! ( remove auto-sync from old values.yaml and run deploy one last time ) or disable manual via Argo UI starting with Kubezero app itself
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## ArgoCD prep
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- disable all auto-sync and "prune" feature to prevent that namespaces defined in previous apps get removed
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- either remove auto-sync from old values.yaml and run deploy one last time, trigger kubezero sync !
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- or disable manual via Argo UI starting with Kubezero app itself
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- uninstall argo helm chart
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`helm uninstall kubezero -n argocd`
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- remove all "argocd.argoproj.io/instance" labels from namespaces to prevent namespace removal later on
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`scripts/remove_argo_ns.sh`
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- migrate values.yaml to new structure, adapt as needed
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- update new central kubezero location in git and merge cluster configs
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& update new central kubezero location in git and merge cluster configs
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- Upgrade control plane nodes / worker nodes
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- upgrade all crds
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- upgrade calico,cert-manager,kiam,csi drivers
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- Istio:
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`./bootstrap.sh crds all clusters/$CLUSTER ../../../kubezero/charts`
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- upgrade base artifacts
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`./bootstrap.sh deploy calico,cert-manager,kiam,aws-ebs-csi-driver,aws-efs-csi-driver clusters/$CLUSTER ../../../kubezero/charts`
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- Istio, due to changes of the ingress namespace we need brief downtime
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DOWNTIME STARTS !
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- delete istio operators, to remove all pieces, remove operator itself
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`./scripts/delete_istio_17.sh`
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- deploy istio and istio-ingress via bootstrap.sh
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`./bootstrap.sh deploy all clusters/$CLUSTER ../../../kubezero/charts`
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- patch all VirtualServices via script to new namespace
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`./scripts/patch_vs.sh`
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DOWNTIME ENDS !
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- upgrade all artifacts
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`./bootstrap.sh deploy all clusters/$CLUSTER ../../../kubezero/charts`
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- push kubezero cluster config
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- verify argocd incl. kubezero app
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- verify all argo apps
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- verify all the things
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## High level / Admin changes
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- ArgoCD is now optional
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@ -50,6 +76,6 @@
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### Istio
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- operator removed, deployment migrated to helm, cleanups
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- version bump to 1.8
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- no more policy by default
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- no more policy pod by default
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- all ingress in dedicated new namespace istio-ingress as well as dedicated helm chart
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- set priorty class
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