119 lines
4.1 KiB
Bash
Executable File
119 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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set -ex
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LOCATION=${1-""}
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# Update only if we use upstream
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if [ -z "$LOCATION" ]; then
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helm repo add kubezero https://zero-down-time.github.io/kubezero
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helm repo update
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fi
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DEPLOY_DIR=$( dirname $( realpath $0 ))
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which yq || { echo "yq not found!"; exit 1; }
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# Waits for max 300s and retries
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function wait_for() {
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local TRIES=0
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while true; do
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$@ && break
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[ $TRIES -eq 200 ] && return 1
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let TRIES=$TRIES+1
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sleep 3
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done
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}
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function _helm() {
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local action=$1
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local chart=$2
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local release=$3
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local namespace=$4
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shift 4
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local location
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if [ -z "$LOCATION" ]; then
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location="$chart --repo https://zero-down-time.github.io/kubezero"
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else
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location="$LOCATION/$chart"
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fi
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[ -n "$namespace" ] && kubectl get ns $namespace || kubectl create ns $namespace
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helm template $location --namespace $namespace --name-template $release $@ | kubectl $action -f -
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}
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function deploy() {
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_helm apply $@
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}
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function delete() {
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_helm delete $@
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}
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################
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# cert-manager #
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################
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# Let's start with minimal cert-manager to get the webhook in place
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deploy kubezero-cert-manager cert-manager cert-manager
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echo "Waiting for cert-manager to be ready..."
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wait_for kubectl get deployment -n cert-manager cert-manager-webhook 2>/dev/null 1>&2
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kubectl rollout status deployment -n cert-manager cert-manager-webhook
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wait_for kubectl get validatingwebhookconfigurations -o yaml | grep "caBundle: LS0" 2>/dev/null 1>&2
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# Either inject cert-manager backup or bootstrap
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if [ -f cert-manager-backup.yaml ]; then
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kubectl apply -f cert-manager-backup.yaml
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else
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deploy kubezero-cert-manager cert-manager cert-manager --set localCA.enabled=true
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wait_for kubectl get Issuer -n kube-system kubezero-local-ca-issuer 2>/dev/null 1>&2
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kubectl wait --for=condition=Ready -n kube-system Issuer/kubezero-local-ca-issuer
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fi
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echo "KubeZero installed successfully."
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read
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# Remove all kubezero
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delete kubezero-cert-manager cert-manager cert-manager
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exit 0
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# Determine if we bootstrap or update
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helm list -n argocd -f kubezero -q | grep -q kubezero && rc=$? || rc=$?
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if [ $rc -eq 0 ]; then
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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else
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# Make sure kube-system is allowed to kiam
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kubectl annotate --overwrite namespace kube-system 'iam.amazonaws.com/permitted=.*'
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# Now that we have the cert-manager webhook, get the kiam certs in place but do NOT deploy kiam yet
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml -f $DEPLOY_DIR/values-step-3.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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kubectl wait --for=condition=Ready -n kube-system certificates/kiam-server
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# Now lets make sure kiam is working
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml -f $DEPLOY_DIR/values-step-4.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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wait_for kubectl get daemonset -n kube-system kiam-agent 2>/dev/null 1>&2
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kubectl rollout status daemonset -n kube-system kiam-agent
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# Install Istio if enabled, but keep ArgoCD istio support disabled for now in case
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml -f $DEPLOY_DIR/values-step-5.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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wait_for kubectl get deployment -n istio-operator istio-operator 2>/dev/null 1>&2
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kubectl rollout status deployment -n istio-operator istio-operator
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# Metrics
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml -f $DEPLOY_DIR/values-step-6.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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wait_for kubectl get crds servicemonitors.monitoring.coreos.com 2>/dev/null 1>&2
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# Finally we could enable the actual config and deploy all
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helm template $DEPLOY_DIR -f values.yaml -f cloudbender.yaml > generated-values.yaml
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helm upgrade -n argocd kubezero kubezero/kubezero-argo-cd -f generated-values.yaml
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fi
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