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/
upgrade.go
99 lines (81 loc) · 2.57 KB
/
upgrade.go
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package nodes
import (
"context"
"github.com/giantswarm/microerror"
releasev1alpha1 "github.com/giantswarm/release-operator/v3/api/v1alpha1"
corev1 "k8s.io/api/core/v1"
ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
"github.com/giantswarm/azure-operator/v5/service/controller/key"
)
// AnyOutOfDate iterates over all nodes in tenant cluster and finds
// corresponding azure-operator version from node labels. If node doesn't have
// this label or was created with older version than currently reconciling one,
// then this function returns true. Otherwise (including on error) false.
func AnyOutOfDate(ctx context.Context, tenantClusterK8sClient ctrlclient.Client, destinationRelease string, releases []releasev1alpha1.Release, nodeLabels map[string]string) (bool, error) {
var nodeList *corev1.NodeList
{
nodeList = &corev1.NodeList{}
err := tenantClusterK8sClient.List(ctx, nodeList, ctrlclient.MatchingLabels(nodeLabels))
if err != nil {
return false, microerror.Mask(err)
}
}
for _, n := range nodeList.Items {
rollingRequired, err := nodeNeedsToBeRolled(n, destinationRelease, releases)
if err != nil {
return false, microerror.Mask(err)
}
if rollingRequired {
return true, nil
}
}
return false, nil
}
func nodeNeedsToBeRolled(node corev1.Node, destinationRelease string, releases []releasev1alpha1.Release) (bool, error) {
nodeVer := key.ReleaseVersion(&node)
if nodeVer == "" {
return true, nil
}
nodeRelease, found := findRelease(nodeVer, releases)
// Current release doesn't exist anymore. Must be upgraded.
if !found {
return true, nil
}
destRelease, found := findRelease(destinationRelease, releases)
if !found {
return false, microerror.Maskf(executionFailedError, "destination release %q not found", destinationRelease)
}
componentsThatRequireRolling := []string{
"azure-operator",
"calico",
"containerlinux",
"etcd",
"kubernetes",
}
for _, c := range componentsThatRequireRolling {
nodeComponentVersion, err := key.ComponentVersion(nodeRelease, c)
if err != nil {
return false, microerror.Mask(err)
}
destComponentVersion, err := key.ComponentVersion(destRelease, c)
if err != nil {
return false, microerror.Mask(err)
}
if nodeComponentVersion != destComponentVersion {
return true, nil
}
}
return false, nil
}
func findRelease(v string, releases []releasev1alpha1.Release) (releasev1alpha1.Release, bool) {
var found bool
var release releasev1alpha1.Release
for _, r := range releases {
if r.Name == key.ReleaseName(v) {
found = true
release = r
break
}
}
return release, found
}