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Merge pull request #32 from galal-hussein/check_cluster_state

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Check if the cluster state is empty before upgrade
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Hussein Galal 2017-11-22 02:50:40 +02:00 committed by GitHub
commit 1e8d1cc8d4
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1 changed files with 5 additions and 1 deletions
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6
cmd/cluster.go
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@ -144,13 +144,17 @@ func ClusterUpgrade(clusterFile string) (string, string, string, string, error)
if err != nil {
return APIURL, caCrt, clientCert, clientKey, err
}
logrus.Debugf("Setting up upgrade tunnels")
if currentCluster == nil {
return APIURL, caCrt, clientCert, clientKey, fmt.Errorf("Failed to get the current state of Kubernetes cluster")
}
/*
kubeCluster is the cluster.yaml definition. It should have updated configuration
currentCluster is the current state fetched from kubernetes
we add currentCluster certs to kubeCluster, kubeCluster would have the latest configuration from cluster.yaml and the certs to connect to k8s and apply the upgrade
*/
kubeCluster.Certificates = currentCluster.Certificates
logrus.Debugf("Setting up upgrade tunnels")
err = kubeCluster.TunnelHosts()
if err != nil {
return APIURL, caCrt, clientCert, clientKey, err