Merge bootstrap into dev_apply, cleanup
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3a6edfa8c2
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@ -30,7 +30,7 @@ RUN helm repo add kubezero https://cdn.zero-downtime.net/charts && \
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mkdir -p /var/lib/kubezero
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ADD admin/kubezero.sh admin/libhelm.sh admin/migrate_argo_values.py /usr/bin
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ADD admin/libhelm.sh admin/pre-upgrade.sh /var/lib/kubezero
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ADD admin/libhelm.sh /var/lib/kubezero
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ADD charts/kubeadm /charts/kubeadm
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ADD charts/kubezero /charts/kubezero
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@ -3,20 +3,82 @@
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#set -o pipefail
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set -x
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ARTIFACTS=($(echo $1 | tr "," "\n"))
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ACTION=${2:-apply}
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#VERSION="latest"
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KUBE_VERSION="v1.27.8"
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KUBE_VERSION="$(kubectl version -o json | jq -r .serverVersion.gitVersion)"
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WORKDIR=$(mktemp -p /tmp -d kubezero.XXX)
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[ -z "$DEBUG" ] && trap 'rm -rf $WORKDIR' ERR EXIT
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SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
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# shellcheck disable=SC1091
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. "$SCRIPT_DIR"/libhelm.sh
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CHARTS="$(dirname $SCRIPT_DIR)/charts"
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### Various hooks for modules
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################
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# cert-manager #
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################
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function cert-manager-post() {
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# If any error occurs, wait for initial webhook deployment and try again
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# see: https://cert-manager.io/docs/concepts/webhook/#webhook-connection-problems-shortly-af
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ter-cert-manager-installation
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if [ $rc -ne 0 ]; then
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wait_for "kubectl get deployment -n $namespace cert-manager-webhook"
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kubectl rollout status deployment -n $namespace cert-manager-webhook
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wait_for 'kubectl get validatingwebhookconfigurations -o yaml | grep "caBundle: LS0"'
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apply
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fi
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wait_for "kubectl get ClusterIssuer -n $namespace kubezero-local-ca-issuer"
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kubectl wait --timeout=180s --for=condition=Ready -n $namespace ClusterIssuer/kubezero-local
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-ca-issuer
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}
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###########
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# ArgoCD #
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###########
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function argocd-pre() {
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for f in $CLUSTER/secrets/argocd-*.yaml; do
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kubectl apply -f $f
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done
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}
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###########
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# Metrics #
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###########
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# Cleanup patch jobs from previous runs , ArgoCD does this automatically
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function metrics-pre() {
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kubectl delete jobs --field-selector status.successful=1 -n monitoring
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}
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### Main
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get_kubezero_values
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# Always use embedded kubezero chart
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helm template $CHARTS/kubezero -f $WORKDIR/kubezero-values.yaml --kube-version $KUBE_VERSION --version ~$KUBE_VERSION --devel --output-dir $WORKDIR
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# CRDs first
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_helm crds $1
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_helm apply $1
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# Resolve all the all enabled artifacts
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if [ ${ARTIFACTS[0]} == "all" ]; then
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ARTIFACTS=($(ls $WORKDIR/kubezero/templates | sed -e 's/.yaml//g'))
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fi
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if [ $ACTION == "apply" -o $ACTION == "crds" ]; then
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for t in ${ARTIFACTS[@]}; do
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_helm $ACTION $t || true
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done
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# Delete in reverse order, continue even if errors
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elif [ $ACTION == "delete" ]; then
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set +e
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for (( idx=${#ARTIFACTS[@]}-1 ; idx>=0 ; idx-- )) ; do
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_helm delete ${ARTIFACTS[idx]} || true
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done
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fi
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@ -117,8 +117,28 @@ post_kubeadm() {
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kubeadm_upgrade() {
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# pre upgrade hook
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[ -f /var/lib/kubezero/pre-upgrade.sh ] && . /var/lib/kubezero/pre-upgrade.sh
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# get current values, argo app over cm
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get_kubezero_values
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# tumble new config through migrate.py
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migrate_argo_values.py < "$WORKDIR"/kubezero-values.yaml > "$WORKDIR"/new-kubezero-values.yaml
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# Update kubezero-values CM
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kubectl get cm -n kube-system kubezero-values -o=yaml | \
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yq e '.data."values.yaml" |= load_str("/tmp/kubezero/new-kubezero-values.yaml")' | \
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kubectl replace -f -
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# update argo app
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kubectl get application kubezero -n argocd -o yaml | \
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kubezero_chart_version=$(yq .version /charts/kubezero/Chart.yaml) \
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yq '.spec.source.helm.values |= load_str("/tmp/kubezero/new-kubezero-values.yaml") | .spec.source.targetRevision = strenv(kubezero_chart_version)' | \
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kubectl apply -f -
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# finally remove annotation to allow argo to sync again
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kubectl patch app kubezero -n argocd --type json -p='[{"op": "remove", "path": "/metadata/annotations"}]'
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# Local node upgrade
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render_kubeadm
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pre_kubeadm
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@ -1,204 +0,0 @@
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#!/bin/bash
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set -ex
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ACTION=$1
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ARTIFACTS=($(echo $2 | tr "," "\n"))
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CLUSTER=$3
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LOCATION=${4:-""}
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which yq || { echo "yq not found!"; exit 1; }
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which helm || { echo "helm not found!"; exit 1; }
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helm_version=$(helm version --short)
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echo $helm_version | grep -qe "^v3.[7-9]" || { echo "Helm version >= 3.7 required!"; exit 1; }
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# Simulate well-known CRDs being available
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API_VERSIONS="-a monitoring.coreos.com/v1 -a snapshot.storage.k8s.io/v1"
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KUBE_VERSION="--kube-version $(kubectl version -o json | jq -r .serverVersion.gitVersion)"
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TMPDIR=$(mktemp -d kubezero.XXX)
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[ -z "$DEBUG" ] && trap 'rm -rf $TMPDIR' ERR EXIT
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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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eval " $@" && break
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[ $TRIES -eq 100 ] && return 1
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let TRIES=$TRIES+1
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sleep 3
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done
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}
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function chart_location() {
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if [ -z "$LOCATION" ]; then
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echo "$1 --repo https://cdn.zero-downtime.net/charts"
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else
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echo "$LOCATION/$1"
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fi
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}
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# make sure namespace exists prior to calling helm as the create-namespace options doesn't work
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function create_ns() {
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local namespace=$1
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if [ "$namespace" != "kube-system" ]; then
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kubectl get ns $namespace || kubectl create ns $namespace
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fi
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}
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# delete non kube-system ns
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function delete_ns() {
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local namespace=$1
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[ "$namespace" != "kube-system" ] && kubectl delete ns $namespace
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}
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# Extract crds via helm calls and apply delta=crds only
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function _crds() {
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helm template $(chart_location $chart) -n $namespace --name-template $module $targetRevision --skip-crds --set ${module}.installCRDs=false -f $TMPDIR/values.yaml $API_VERSIONS $KUBE_VERSION > $TMPDIR/helm-no-crds.yaml
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helm template $(chart_location $chart) -n $namespace --name-template $module $targetRevision --include-crds --set ${module}.installCRDs=true -f $TMPDIR/values.yaml $API_VERSIONS $KUBE_VERSION > $TMPDIR/helm-crds.yaml
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diff -e $TMPDIR/helm-no-crds.yaml $TMPDIR/helm-crds.yaml | head -n-1 | tail -n+2 > $TMPDIR/crds.yaml
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# Only apply if there are actually any crds
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if [ -s $TMPDIR/crds.yaml ]; then
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kubectl apply -f $TMPDIR/crds.yaml --server-side
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fi
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}
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# helm template | kubectl apply -f -
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# confine to one namespace if possible
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function apply(){
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helm template $(chart_location $chart) -n $namespace --name-template $module $targetRevision --skip-crds -f $TMPDIR/values.yaml $API_VERSIONS $KUBE_VERSION $@ \
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| python3 -c '
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#!/usr/bin/python3
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import yaml
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import sys
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for manifest in yaml.safe_load_all(sys.stdin):
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if manifest:
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if "metadata" in manifest and "namespace" not in manifest["metadata"]:
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manifest["metadata"]["namespace"] = sys.argv[1]
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print("---")
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print(yaml.dump(manifest))' $namespace > $TMPDIR/helm.yaml
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kubectl $action -f $TMPDIR/helm.yaml && rc=$? || rc=$?
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}
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function _helm() {
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local action=$1
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local module=$2
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local chart="$(yq eval '.spec.source.chart' $TMPDIR/kubezero/templates/${module}.yaml)"
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local namespace="$(yq eval '.spec.destination.namespace' $TMPDIR/kubezero/templates/${module}.yaml)"
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targetRevision=""
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_version="$(yq eval '.spec.source.targetRevision' $TMPDIR/kubezero/templates/${module}.yaml)"
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[ -n "$_version" ] && targetRevision="--version $_version"
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yq eval '.spec.source.helm.values' $TMPDIR/kubezero/templates/${module}.yaml > $TMPDIR/values.yaml
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if [ $action == "crds" ]; then
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# Allow custom CRD handling
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declare -F ${module}-crds && ${module}-crds || _crds
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elif [ $action == "apply" ]; then
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# namespace must exist prior to apply
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create_ns $namespace
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# Optional pre hook
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declare -F ${module}-pre && ${module}-pre
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apply
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# Optional post hook
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declare -F ${module}-post && ${module}-post
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elif [ $action == "delete" ]; then
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apply
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# Delete dedicated namespace if not kube-system
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[ -n "$DELETE_NS" ] && delete_ns $namespace
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fi
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return 0
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}
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################
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# cert-manager #
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################
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function cert-manager-post() {
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# If any error occurs, wait for initial webhook deployment and try again
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# see: https://cert-manager.io/docs/concepts/webhook/#webhook-connection-problems-shortly-after-cert-manager-installation
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if [ $rc -ne 0 ]; then
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wait_for "kubectl get deployment -n $namespace cert-manager-webhook"
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kubectl rollout status deployment -n $namespace cert-manager-webhook
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wait_for 'kubectl get validatingwebhookconfigurations -o yaml | grep "caBundle: LS0"'
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apply
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fi
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wait_for "kubectl get ClusterIssuer -n $namespace kubezero-local-ca-issuer"
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kubectl wait --timeout=180s --for=condition=Ready -n $namespace ClusterIssuer/kubezero-local-ca-issuer
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}
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###########
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# ArgoCD #
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###########
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function argocd-pre() {
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for f in $CLUSTER/secrets/argocd-*.yaml; do
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kubectl apply -f $f
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done
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}
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###########
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# Metrics #
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###########
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# Cleanup patch jobs from previous runs , ArgoCD does this automatically
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function metrics-pre() {
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kubectl delete jobs --field-selector status.successful=1 -n monitoring
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}
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##########
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## MAIN ##
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##########
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if [ ! -f $CLUSTER/kubezero/application.yaml ]; then
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echo "Cannot find cluster config!"
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exit 1
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fi
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KUBEZERO_VERSION=$(yq eval '.spec.source.targetRevision' $CLUSTER/kubezero/application.yaml)
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# Extract all kubezero values from argo app
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yq eval '.spec.source.helm.values' $CLUSTER/kubezero/application.yaml > $TMPDIR/values.yaml
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# Render all enabled Kubezero modules
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helm template $(chart_location kubezero) -f $TMPDIR/values.yaml --version $KUBEZERO_VERSION --devel --output-dir $TMPDIR
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# Resolve all the all enabled artifacts
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if [ ${ARTIFACTS[0]} == "all" ]; then
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ARTIFACTS=($(ls $TMPDIR/kubezero/templates | sed -e 's/.yaml//g'))
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fi
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echo "Artifacts: ${ARTIFACTS[@]}"
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if [ $1 == "apply" -o $1 == "crds" ]; then
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for t in ${ARTIFACTS[@]}; do
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_helm $1 $t || true
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done
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# Delete in reverse order, continue even if errors
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elif [ $1 == "delete" ]; then
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set +e
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for (( idx=${#ARTIFACTS[@]}-1 ; idx>=0 ; idx-- )) ; do
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_helm delete ${ARTIFACTS[idx]} || true
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done
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fi
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