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clusterCreate: add --no-hostip flag to disable the automatic injection of the host.k3d.internal entry into /etc/hosts and CoreDNS

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iwilltry42 2020-10-05 15:19:00 +02:00
parent 60069f6f19
commit d063482a32
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GPG Key ID: 7BA57AD1CFF16110
3 changed files with 26 additions and 22 deletions
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1
cmd/cluster/clusterCreate.go
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@ -134,6 +134,7 @@ func NewCmdClusterCreate() *cobra.Command {
cmd.Flags().BoolVar(&updateCurrentContext, "switch-context", true, "Directly switch the default kubeconfig's current-context to the new cluster's context (requires --update-default-kubeconfig)")
cmd.Flags().BoolVar(&createClusterOpts.DisableLoadBalancer, "no-lb", false, "Disable the creation of a LoadBalancer in front of the server nodes")
cmd.Flags().BoolVar(&noRollback, "no-rollback", false, "Disable the automatic rollback actions, if anything goes wrong")
cmd.Flags().BoolVar(&createClusterOpts.PrepDisableHostIPInjection, "no-hostip", false, "Disable the automatic injection of the Host IP as 'host.k3d.internal' into the containers and CoreDNS")
/* Image Importing */
cmd.Flags().BoolVar(&createClusterOpts.DisableImageVolume, "no-image-volume", false, "Disable the creation of a volume for importing images")

4
pkg/cluster/cluster.go
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@ -358,7 +358,8 @@ func ClusterCreate(ctx context.Context, runtime k3drt.Runtime, cluster *k3d.Clus
* Networking Magic
*/
// add extra host
// add /etc/hosts and CoreDNS entry for host.k3d.internal, referring to the host system
if !cluster.CreateClusterOpts.PrepDisableHostIPInjection {
hostIP, err := GetHostIP(clusterPrepCtx, runtime, cluster)
if err != nil {
log.Errorln("Failed to get HostIP")
@ -377,6 +378,7 @@ func ClusterCreate(ctx context.Context, runtime k3drt.Runtime, cluster *k3d.Clus
if err != nil {
log.Warnf("Failed to patch CoreDNS ConfigMap to include entry '%s': %+v", hostsEntry, err)
}
}
return nil
}

1
pkg/types/types.go
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@ -133,6 +133,7 @@ var DoNotCopyServerFlags = []string{
// ClusterCreateOpts describe a set of options one can set when creating a cluster
type ClusterCreateOpts struct {
PrepDisableHostIPInjection bool
DisableImageVolume bool
WaitForServer bool
Timeout time.Duration