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optimize k8s config initialization #2602

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optimize k8s config initialization #2602

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38 changes: 19 additions & 19 deletions builder/node.go
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Original file line number Diff line number Diff line change
Expand Up @@ -121,31 +121,31 @@ func (b *Builder) LoadNodes(ctx context.Context, opts ...LoadNodesOption) (_ []N

contextStore := b.opts.dockerCli.ContextStore()

// Check if the driver is a Kubernetes driver
var kcc driver.KubeClientConfig
kcc, err = ctxkube.ConfigFromEndpoint(n.Endpoint, contextStore)
if err != nil {
// err is returned if n.Endpoint is non-context name like "unix:///var/run/docker.sock".
// try again with name="default".
// FIXME(@AkihiroSuda): n should retain real context name.
kcc, err = ctxkube.ConfigFromEndpoint("default", contextStore)
if strings.Contains(n.Endpoint, "kubernetes") {
kcc, err = ctxkube.ConfigFromEndpoint(n.Endpoint, contextStore)
if err != nil {
logrus.Error(err)
kcc, err = ctxkube.ConfigFromEndpoint("default", contextStore)
if err != nil {
logrus.Error(err)
}
}
}

tryToUseKubeConfigInCluster := false
if kcc == nil {
tryToUseKubeConfigInCluster = true
} else {
if _, err := kcc.ClientConfig(); err != nil {
tryToUseKubeConfigInCluster := false
if kcc == nil {
tryToUseKubeConfigInCluster = true
} else {
if _, err := kcc.ClientConfig(); err != nil {
tryToUseKubeConfigInCluster = true
}
}
}
if tryToUseKubeConfigInCluster {
kccInCluster := driver.KubeClientConfigInCluster{}
if _, err := kccInCluster.ClientConfig(); err == nil {
logrus.Debug("using kube config in cluster")
kcc = kccInCluster
if tryToUseKubeConfigInCluster {
kccInCluster := driver.KubeClientConfigInCluster{}
if _, err := kccInCluster.ClientConfig(); err == nil {
logrus.Debug("using kube config in cluster")
kcc = kccInCluster
}
}
}

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