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kubeadm: added file discovery.

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Fixes kubernetes/kubeadm#93
This commit is contained in:
Paulo Pires 2017-01-06 12:07:25 +00:00
parent ed5414d333
commit 18370ba0c1
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2 changed files with 15 additions and 6 deletions
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7
cmd/kubeadm/app/cmd/join.go
View File

@ -33,6 +33,7 @@ import (
kubeconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubeconfig"
"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
"k8s.io/kubernetes/pkg/api"
clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
"k8s.io/kubernetes/pkg/runtime"
@ -129,7 +130,7 @@ func (j *Join) Validate() error {
return validation.ValidateNodeConfiguration(j.cfg).ToAggregate()
}
// Run executes worked node provisioning and tries to join an existing cluster.
// Run executes worker node provisioning and tries to join an existing cluster.
func (j *Join) Run(out io.Writer) error {
var cfg *clientcmdapi.Config
// TODO: delete this first block when we move Token to the discovery interface
@ -138,7 +139,6 @@ func (j *Join) Run(out io.Writer) error {
if err != nil {
return err
}
connectionDetails, err := kubenode.EstablishMasterConnection(j.cfg.Discovery.Token, clusterInfo)
if err != nil {
return err
@ -161,8 +161,7 @@ func (j *Join) Run(out io.Writer) error {
}
}
err := kubeconfigphase.WriteKubeconfigToDisk(path.Join(kubeadmapi.GlobalEnvParams.KubernetesDir, kubeconfigphase.KubeletKubeConfigFileName), cfg)
if err != nil {
if err := kubeconfigphase.WriteKubeconfigToDisk(path.Join(kubeadmapi.GlobalEnvParams.KubernetesDir, kubeconfigphase.KubeletKubeConfigFileName), cfg); err != nil {
return err
}

14
cmd/kubeadm/app/discovery/discovery.go
View File

@ -23,9 +23,19 @@ import (
clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
)
func For(c kubeadmapi.Discovery) (*clientcmdapi.Config, error) {
// For identifies and executes the desired discovery mechanism.
func For(d kubeadmapi.Discovery) (*clientcmdapi.Config, error) {
switch {
case d.File != nil:
return runFileDiscovery(d.File)
default:
return nil, fmt.Errorf("unimplemented")
return nil, fmt.Errorf("Couldn't find a valid discovery configuration. Please provide one.")
}
}
// runFileDiscovery executes file-based discovery.
func runFileDiscovery(fd *kubeadmapi.FileDiscovery) (*clientcmdapi.Config, error) {
return clientcmd.LoadFromFile(fd.Path)
}
}
}